/* Compiler driver program that can handle many languages.
- Copyright (C) 1987, 89, 92, 93, 94, 1995 Free Software Foundation, Inc.
+ Copyright (C) 1987, 89, 92-97, 1998 Free Software Foundation, Inc.
This file is part of GNU CC.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.
This paragraph is here to try to keep Sun CC from dying.
The number of chars here seems crucial!!!! */
Once it knows which kind of compilation to perform, the procedure for
compilation is specified by a string called a "spec". */
\f
-#include <sys/types.h>
-#include <ctype.h>
-#include <signal.h>
-#include <sys/stat.h>
-#include <errno.h>
+#include "config.h"
-#ifndef WINNT
-#include <sys/file.h> /* May get R_OK, etc. on some systems. */
-#else
-#include <process.h>
-#endif
+#include "gansidecl.h"
+#include "system.h"
-#include "config.h"
-#include "obstack.h"
+#include <signal.h>
+#include <sys/stat.h>
#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
-#include <stdio.h>
-/* Include multi-lib information. */
-#include "multilib.h"
+#include "obstack.h"
-#ifndef R_OK
-#define R_OK 4
-#define W_OK 2
-#define X_OK 1
-#endif
+
+/* ??? Need to find a GCC header to put these in. */
+extern int pexecute PROTO ((const char *, char * const *, const char *,
+ const char *, char **, char **, int));
+extern int pwait PROTO ((int, int *, int));
+extern char *update_path PROTO((char *, char *));
+/* Flag arguments to pexecute. */
+#define PEXECUTE_FIRST 1
+#define PEXECUTE_LAST 2
+#define PEXECUTE_SEARCH 4
+#define PEXECUTE_VERBOSE 8
#ifndef WIFSIGNALED
#define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
#define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
#endif
-/* Add prototype support. */
-#ifndef PROTO
-#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
-#define PROTO(ARGS) ARGS
-#else
-#define PROTO(ARGS) ()
-#endif
-#endif
-
-#ifndef VPROTO
-#ifdef __STDC__
-#define PVPROTO(ARGS) ARGS
-#define VPROTO(ARGS) ARGS
-#define VA_START(va_list,var) va_start(va_list,var)
-#else
-#define PVPROTO(ARGS) ()
-#define VPROTO(ARGS) (va_alist) va_dcl
-#define VA_START(va_list,var) va_start(va_list)
-#endif
-#endif
-
-/* Define a generic NULL if one hasn't already been defined. */
-
-#ifndef NULL
-#define NULL 0
+#ifdef VMS
+#define exit __posix_exit
#endif
-/* Define O_RDONLY if the system hasn't defined it for us. */
+/* Define O_RDONLY if the system hasn't defined it for us. */
#ifndef O_RDONLY
#define O_RDONLY 0
#endif
-#ifndef GENERIC_PTR
-#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
-#define GENERIC_PTR void *
-#else
-#define GENERIC_PTR char *
-#endif
-#endif
-
-#ifndef NULL_PTR
-#define NULL_PTR ((GENERIC_PTR)0)
-#endif
-
#ifdef USG
#define vfork fork
#endif /* USG */
-/* On MSDOS, write temp files in current dir
- because there's no place else we can expect to use. */
-#ifdef __MSDOS__
-#ifndef P_tmpdir
-#define P_tmpdir "."
-#endif
-#endif
-
/* Test if something is a normal file. */
#ifndef S_ISREG
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#endif
/* By default there is no special suffix for executables. */
-#ifndef EXECUTABLE_SUFFIX
+#ifdef EXECUTABLE_SUFFIX
+#define HAVE_EXECUTABLE_SUFFIX
+#else
#define EXECUTABLE_SUFFIX ""
#endif
-/* By default, the suffix for object files is the letter "o". */
-#ifndef OBJECT_SUFFIX
-#define OBJECT_SUFFIX "o"
+/* By default, the suffix for object files is ".o". */
+#ifdef OBJECT_SUFFIX
+#define HAVE_OBJECT_SUFFIX
+#else
+#define OBJECT_SUFFIX ".o"
#endif
/* By default, colon separates directories in a path. */
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
-extern void free ();
-extern char *getenv ();
-
-#ifndef errno
-extern int errno;
-#endif
+extern char *choose_temp_base PROTO((void));
+#ifndef HAVE_STRERROR
extern int sys_nerr;
-#if defined(bsd4_4) || defined(__NetBSD__)
-extern const char *const sys_errlist[];
-#else
extern char *sys_errlist[];
+#else
+extern char *strerror();
#endif
-extern int execv (), execvp ();
+#ifndef HAVE_KILL
+#define kill(p,s) raise(s)
+#endif
/* If a stage of compilation returns an exit status >= 1,
compilation of that file ceases. */
#define MIN_FATAL_STATUS 1
+/* Flag saying to print the directories gcc will search through looking for
+ programs, libraries, etc. */
+
+static int print_search_dirs;
+
/* Flag saying to print the full filename of this file
as found through our usual search mechanism. */
static char *print_file_name = NULL;
-/* As print_file_name, but search for executable file. */
+/* As print_file_name, but search for executable file. */
static char *print_prog_name = NULL;
When -b is used, the value comes from the `specs' file. */
#ifdef CROSS_COMPILE
-static int cross_compile = 1;
+static char *cross_compile = "1";
#else
-static int cross_compile = 0;
+static char *cross_compile = "0";
#endif
/* The number of errors that have occurred; the link phase will not be
/* Forward declaration for prototypes. */
struct path_prefix;
+static void init_spec PROTO((void));
+static void read_specs PROTO((char *, int));
static void set_spec PROTO((char *, char *));
static struct compiler *lookup_compiler PROTO((char *, int, char *));
+static char *build_search_list PROTO((struct path_prefix *, char *, int));
+static void putenv_from_prefixes PROTO((struct path_prefix *, char *));
static char *find_a_file PROTO((struct path_prefix *, char *, int));
-static void add_prefix PROTO((struct path_prefix *, char *, int, int, int *));
+static void add_prefix PROTO((struct path_prefix *, char *, char *,
+ int, int, int *));
static char *skip_whitespace PROTO((char *));
static void record_temp_file PROTO((char *, int, int));
static void delete_if_ordinary PROTO((char *));
static void delete_temp_files PROTO((void));
static void delete_failure_queue PROTO((void));
static void clear_failure_queue PROTO((void));
-static char *choose_temp_base_try PROTO((char *, char *));
-static void choose_temp_base PROTO((void));
static int check_live_switch PROTO((int, int));
static char *handle_braces PROTO((char *));
static char *save_string PROTO((char *, int));
-static char *concat PROTO((char *, char *));
-static char *concat3 PROTO((char *, char *, char *));
-static char *concat4 PROTO((char *, char *, char *, char *));
-static char *concat6 PROTO((char *, char *, char *, char *, char *, \
- char *));
+static char *concat PVPROTO((char *, ...));
static int do_spec PROTO((char *));
static int do_spec_1 PROTO((char *, int, char *));
static char *find_file PROTO((char *));
static int is_directory PROTO((char *, char *, int));
static void validate_switches PROTO((char *));
static void validate_all_switches PROTO((void));
-static void give_switch PROTO((int, int));
+static void give_switch PROTO((int, int, int));
static int used_arg PROTO((char *, int));
+static int default_arg PROTO((char *, int));
static void set_multilib_dir PROTO((void));
static void print_multilib_info PROTO((void));
static void pfatal_with_name PROTO((char *));
static void perror_with_name PROTO((char *));
-static void perror_exec PROTO((char *));
+static void pfatal_pexecute PROTO((char *, char *));
#ifdef HAVE_VPRINTF
static void fatal PVPROTO((char *, ...));
static void error PVPROTO((char *, ...));
arguments. CC considers `-o foo' as being one switch whose
name starts with `o'. %{o*} would substitute this text,
including the space; thus, two arguments would be generated.
+ %{^S*} likewise, but don't put a blank between a switch and any args.
%{S*:X} substitutes X if one or more switches whose names start with -S are
specified to CC. Note that the tail part of the -S option
(i.e. the part matched by the `*') will be substituted for each
#ifndef LIBGCC_SPEC
#if defined(LINK_LIBGCC_SPECIAL) || defined(LINK_LIBGCC_SPECIAL_1)
/* Have gcc do the search for libgcc.a. */
-#define LIBGCC_SPEC "%{!shared:libgcc.a%s}"
+#define LIBGCC_SPEC "libgcc.a%s"
#else
-#define LIBGCC_SPEC "%{!shared:-lgcc}"
+#define LIBGCC_SPEC "-lgcc"
#endif
#endif
/* config.h can define STARTFILE_SPEC to override the default crt0 files. */
#ifndef STARTFILE_SPEC
#define STARTFILE_SPEC \
- "%{!shared:%{pg:gcrt0.%O%s}%{!pg:%{p:mcrt0.%O%s}%{!p:crt0.%O%s}}}"
+ "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}"
#endif
-/* config.h can define SWITCHES_NEED_SPACES to control passing -o and -L.
- Make the string nonempty to require spaces there. */
+/* config.h can define SWITCHES_NEED_SPACES to control which options
+ require spaces between the option and the argument. */
#ifndef SWITCHES_NEED_SPACES
#define SWITCHES_NEED_SPACES ""
#endif
#endif
#endif
-/* MULTILIB_SELECT comes from multilib.h. It gives a
- string interpreted by set_multilib_dir to select a library
- subdirectory based on the compiler options. */
-#ifndef MULTILIB_SELECT
-#define MULTILIB_SELECT ". ;"
-#endif
-
static char *cpp_spec = CPP_SPEC;
static char *cpp_predefines = CPP_PREDEFINES;
static char *cc1_spec = CC1_SPEC;
static char *endfile_spec = ENDFILE_SPEC;
static char *startfile_spec = STARTFILE_SPEC;
static char *switches_need_spaces = SWITCHES_NEED_SPACES;
-static char *multilib_select = MULTILIB_SELECT;
+
+/* Some compilers have limits on line lengths, and the multilib_select
+ and/or multilib_matches strings can be very long, so we build them at
+ run time. */
+static struct obstack multilib_obstack;
+static char *multilib_select;
+static char *multilib_matches;
+static char *multilib_defaults;
+#include "multilib.h"
+
+/* Check whether a particular argument is a default argument. */
+
+#ifndef MULTILIB_DEFAULTS
+#define MULTILIB_DEFAULTS { "" }
+#endif
+
+static char *multilib_defaults_raw[] = MULTILIB_DEFAULTS;
+
+struct user_specs {
+ struct user_specs *next;
+ char *filename;
+};
+
+static struct user_specs *user_specs_head, *user_specs_tail;
/* This defines which switch letters take arguments. */
-#ifndef SWITCH_TAKES_ARG
-#define SWITCH_TAKES_ARG(CHAR) \
+#define DEFAULT_SWITCH_TAKES_ARG(CHAR) \
((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \
|| (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \
- || (CHAR) == 'I' || (CHAR) == 'm' \
- || (CHAR) == 'L' || (CHAR) == 'A')
+ || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x' \
+ || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V' \
+ || (CHAR) == 'B' || (CHAR) == 'b')
+
+#ifndef SWITCH_TAKES_ARG
+#define SWITCH_TAKES_ARG(CHAR) DEFAULT_SWITCH_TAKES_ARG(CHAR)
#endif
/* This defines which multi-letter switches take arguments. */
|| !strcmp (STR, "imacros") || !strcmp (STR, "aux-info") \
|| !strcmp (STR, "idirafter") || !strcmp (STR, "iprefix") \
|| !strcmp (STR, "iwithprefix") || !strcmp (STR, "iwithprefixbefore") \
- || !strcmp (STR, "isystem"))
+ || !strcmp (STR, "isystem") || !strcmp (STR, "specs"))
#ifndef WORD_SWITCH_TAKES_ARG
#define WORD_SWITCH_TAKES_ARG(STR) DEFAULT_WORD_SWITCH_TAKES_ARG (STR)
static struct compiler default_compilers[] =
{
- {".F", "@f77-cpp-output"},
- {"@f77-cpp-output",
- /* For f77 we want -traditional to avoid errors with, for
- instance, mismatched '. Also, we avoid unpleasant surprises
- with substitution of names not prefixed by `_ by' using %P
- rather than %p (although this isn't consistent with SGI and
- Sun f77, at least) so you test `__unix' rather than `unix'.
- -D_LANGUAGE_FORTRAN is used by some compilers like SGI and
- might as well be in there. */
- "cpp -lang-c -P %{nostdinc*} %{C} %{v} %{A*} %{I*} %I\
- %{C:%{!E:%eGNU C does not support -C without using -E}}\
- %{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG}\
- -undef -D__GNUC__=2 %{ansi:-trigraphs -$ -D__STRICT_ANSI__}\
- %{!undef:%P} -D_LANGUAGE_FORTRAN %{trigraphs} \
- %c %{O*:-D__OPTIMIZE__} -traditional %{ftraditional:-traditional}\
- %{traditional-cpp:-traditional}\
- %{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\
- %i %{!M:%{!MM:%{!E:%{!pipe:%g.i}}}}%{E:%W{o*}}%{M:%W{o*}}%{MM:%W{o*}} |\n",
- "f771 %{!pipe:%g.i} \
- %{!Q:-quiet} -dumpbase %b.F %{d*} %{m*} %{a}\
- %{g*} %{O*} %{W*} %{w} %{pedantic*} \
- %{v:-version -fversion} %{f*}\
- %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
- %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\
- %{!S:as %{R} %{j} %{J} %{h} %{d2} %a %{keep-local-as-symbols:-L} \
- %{c:%W{o*}%{!o*:-o %w%b.o}}%{!c:-o %d%w%u.o}\
- %{!pipe:%g.s} %A\n }"},
- {".f", "@f77"},
- {".for", "@f77"},
- {"@f77","f771 %i \
- %{!Q:-quiet} -dumpbase %b.f %{d*} %{m*} %{a}\
- %{g*} %{O*} %{W*} %{w} %{pedantic*} \
- %{v:-version -fversion} %{f*}\
- %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
- %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\
- %{!S:as %{R} %{j} %{J} %{h} %{d2} %a %{keep-local-as-symbols:-L} \
- %{c:%W{o*}%{!o*:-o %w%b.o}}%{!c:-o %d%w%u.o}\
- %{!pipe:%g.s} %A\n }"},
+ /* Add lists of suffixes of known languages here. If those languages
+ were not present when we built the driver, we will hit these copies
+ and be given a more meaningful error than "file not used since
+ linking is not done". */
+ {".cc", "#C++"}, {".cxx", "#C++"}, {".cpp", "#C++"}, {".c++", "#C++"},
+ {".C", "#C++"}, {".ads", "#Ada"}, {".adb", "#Ada"}, {".ada", "#Ada"},
+ {".f", "#Fortran"}, {".for", "#Fortran"}, {".F", "#Fortran"},
+ {".fpp", "#Fortran"},
+ {".p", "#Pascal"}, {".pas", "#Pascal"},
+ /* Next come the entries for C. */
{".c", "@c"},
{"@c",
- "cpp -lang-c %{nostdinc*} %{C} %{v} %{A*} %{I*} %{P} %I\
+ "cpp -lang-c%{ansi:89} %{nostdinc*} %{C} %{v} %{A*} %{I*} %{P} %I\
%{C:%{!E:%eGNU C does not support -C without using -E}}\
%{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG}\
-undef -D__GNUC__=%v1 -D__GNUC_MINOR__=%v2\
- %{ansi:-trigraphs -$ -D__STRICT_ANSI__}\
+ %{ansi:-trigraphs -D__STRICT_ANSI__}\
%{!undef:%{!ansi:%p} %P} %{trigraphs} \
- %c %{O*:%{!O0:-D__OPTIMIZE__}} %{traditional} %{ftraditional:-traditional}\
+ %c %{Os:-D__OPTIMIZE_SIZE__} %{O*:%{!O0:-D__OPTIMIZE__}}\
+ %{traditional} %{ftraditional:-traditional}\
%{traditional-cpp:-traditional}\
%{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\
%i %{!M:%{!MM:%{!E:%{!pipe:%g.i}}}}%{E:%W{o*}}%{M:%W{o*}}%{MM:%W{o*}} |\n",
"%{!M:%{!MM:%{!E:cc1 %{!pipe:%g.i} %1 \
- %{!Q:-quiet} -dumpbase %b.c %{d*} %{m*} %{a}\
+ %{!Q:-quiet} -dumpbase %b.c %{d*} %{m*} %{a*}\
%{g*} %{O*} %{W*} %{w} %{pedantic*} %{ansi} \
%{traditional} %{v:-version} %{pg:-p} %{p} %{f*}\
%{aux-info*}\
%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
%{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\
- %{!S:as %{R} %{j} %{J} %{h} %{d2} %a %Y\
- %{c:%W{o*}%{!o*:-o %w%b.%O}}%{!c:-o %d%w%u.%O}\
+ %{!S:as %a %Y\
+ %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}\
%{!pipe:%g.s} %A\n }}}}"},
{"-",
- "%{E:cpp -lang-c %{nostdinc*} %{C} %{v} %{A*} %{I*} %{P} %I\
+ "%{E:cpp -lang-c%{ansi:89} %{nostdinc*} %{C} %{v} %{A*} %{I*} %{P} %I\
%{C:%{!E:%eGNU C does not support -C without using -E}}\
%{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG}\
-undef -D__GNUC__=%v1 -D__GNUC_MINOR__=%v2\
- %{ansi:-trigraphs -$ -D__STRICT_ANSI__}\
+ %{ansi:-trigraphs -D__STRICT_ANSI__}\
%{!undef:%{!ansi:%p} %P} %{trigraphs}\
- %c %{O*:%{!O0:-D__OPTIMIZE__}} %{traditional} %{ftraditional:-traditional}\
+ %c %{Os:-D__OPTIMIZE_SIZE__} %{O*:%{!O0:-D__OPTIMIZE__}}\
+ %{traditional} %{ftraditional:-traditional}\
%{traditional-cpp:-traditional}\
%{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\
%i %W{o*}}\
%{C:%{!E:%eGNU C does not support -C without using -E}}\
%{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG}\
-undef -D__OBJC__ -D__GNUC__=%v1 -D__GNUC_MINOR__=%v2\
- %{ansi:-trigraphs -$ -D__STRICT_ANSI__}\
+ %{ansi:-trigraphs -D__STRICT_ANSI__}\
%{!undef:%{!ansi:%p} %P} %{trigraphs}\
- %c %{O*:%{!O0:-D__OPTIMIZE__}} %{traditional} %{ftraditional:-traditional}\
+ %c %{Os:-D__OPTIMIZE_SIZE__} %{O*:%{!O0:-D__OPTIMIZE__}}\
+ %{traditional} %{ftraditional:-traditional}\
%{traditional-cpp:-traditional}\
%{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\
%i %{!M:%{!MM:%{!E:%{!pipe:%g.i}}}}%{E:%W{o*}}%{M:%W{o*}}%{MM:%W{o*}} |\n",
"%{!M:%{!MM:%{!E:cc1obj %{!pipe:%g.i} %1 \
- %{!Q:-quiet} -dumpbase %b.m %{d*} %{m*} %{a}\
+ %{!Q:-quiet} -dumpbase %b.m %{d*} %{m*} %{a*}\
%{g*} %{O*} %{W*} %{w} %{pedantic*} %{ansi} \
%{traditional} %{v:-version} %{pg:-p} %{p} %{f*} \
-lang-objc %{gen-decls} \
%{aux-info*}\
%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
%{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\
- %{!S:as %{R} %{j} %{J} %{h} %{d2} %a %Y\
- %{c:%W{o*}%{!o*:-o %w%b.%O}}%{!c:-o %d%w%u.%O}\
+ %{!S:as %a %Y\
+ %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}\
%{!pipe:%g.s} %A\n }}}}"},
{".h", "@c-header"},
{"@c-header",
%{C:%{!E:%eGNU C does not support -C without using -E}}\
%{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG}\
-undef -D__GNUC__=%v1 -D__GNUC_MINOR__=%v2\
- %{ansi:-trigraphs -$ -D__STRICT_ANSI__}\
+ %{ansi:-trigraphs -D__STRICT_ANSI__}\
%{!undef:%{!ansi:%p} %P} %{trigraphs}\
- %c %{O*:%{!O0:-D__OPTIMIZE__}} %{traditional} %{ftraditional:-traditional}\
+ %c %{Os:-D__OPTIMIZE_SIZE__} %{O*:%{!O0:-D__OPTIMIZE__}}\
+ %{traditional} %{ftraditional:-traditional}\
%{traditional-cpp:-traditional}\
%{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\
%i %W{o*}"},
- {".ch", "@chill" },
- {".chi", "@chill" },
- {"@chill",
- "cpp -lang-chill %{nostdinc*} %{C} %{v} %{A*} %{I*} %{P} %I\
- %{C:%{!E:%eGNU CHILL does not support -C without using -E}}\
- -undef -D__GNUCHILL__=%v1 -D__GNUC_MINOR__=%v2\
- %c %{O*:-D__OPTIMIZE__} %{traditional} %{ftraditional:-traditional}\
- %{traditional-cpp:-traditional} %{!undef:%{!ansi:%p} %P} %{trigraphs}\
- %{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\
- %i %{!E:%g.i}%{E:%W{o*}} \n",
- "%{!E:cc1chill %g.i %1 \
- %{!Q:-quiet} -dumpbase %b.ch %{d*} %{m*} %{a}\
- %{g*} %{O*} %{W*} %{w} %{pedantic*} %{itu} \
- %{v:-version} %{pg:-p} %{p} %{f*} %{I*} \
- %{aux-info*} %X \
- %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
- %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\
- %{!S:as %{R} %{j} %{J} %{h} %{d2} %a %Y %{keep-local-as-symbols:-L} \
- %{c:%W{o*}%{!o*:-o %w%b.o}}%{!c:-o %d%w%u.o}\
- %{!pipe:%g.s} %A\n }}"},
- {".cc", "@c++"},
- {".cxx", "@c++"},
- {".cpp", "@c++"},
- {".c++", "@c++"},
- {".C", "@c++"},
- {"@c++",
- "cpp -lang-c++ %{nostdinc*} %{C} %{v} %{A*} %{I*} %{P} %I\
- %{C:%{!E:%eGNU C++ does not support -C without using -E}}\
- %{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG}\
- -undef -D__GNUC__=%v1 -D__GNUG__=%v1 -D__cplusplus -D__GNUC_MINOR__=%v2\
- %{ansi:-trigraphs -$ -D__STRICT_ANSI__} %{!undef:%{!ansi:%p} %P}\
- %c %{O*:%{!O0:-D__OPTIMIZE__}} %{traditional} %{ftraditional:-traditional}\
- %{traditional-cpp:-traditional} %{trigraphs}\
- %{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\
- %i %{!M:%{!MM:%{!E:%{!pipe:%g.ii}}}}%{E:%W{o*}}%{M:%W{o*}}%{MM:%W{o*}} |\n",
- "%{!M:%{!MM:%{!E:cc1plus %{!pipe:%g.ii} %1 %2\
- %{!Q:-quiet} -dumpbase %b.cc %{d*} %{m*} %{a}\
- %{g*} %{O*} %{W*} %{w} %{pedantic*} %{ansi}\
- %{traditional} %{v:-version} %{pg:-p} %{p}\
- %{f*} %{+e*} %{aux-info*}\
- %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
- %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}}|\n\
- %{!S:as %{R} %{j} %{J} %{h} %{d2} %a %Y\
- %{c:%W{o*}%{!o*:-o %w%b.%O}}%{!c:-o %d%w%u.%O}\
- %{!pipe:%g.s} %A\n }}}}"},
{".i", "@cpp-output"},
{"@cpp-output",
- "%{!M:%{!MM:%{!E:cc1 %i %1 %{!Q:-quiet} %{d*} %{m*} %{a}\
+ "%{!M:%{!MM:%{!E:cc1 %i %1 %{!Q:-quiet} %{d*} %{m*} %{a*}\
%{g*} %{O*} %{W*} %{w} %{pedantic*} %{ansi}\
%{traditional} %{v:-version} %{pg:-p} %{p} %{f*}\
%{aux-info*}\
%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
%{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\
- %{!S:as %{R} %{j} %{J} %{h} %{d2} %a %Y\
- %{c:%W{o*}%{!o*:-o %w%b.%O}}%{!c:-o %d%w%u.%O}\
+ %{!S:as %a %Y\
+ %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}\
%{!pipe:%g.s} %A\n }}}}"},
- {".ii", "@c++-cpp-output"},
- {"@c++-cpp-output",
- "%{!M:%{!MM:%{!E:cc1plus %i %1 %2 %{!Q:-quiet} %{d*} %{m*} %{a}\
- %{g*} %{O*} %{W*} %{w} %{pedantic*} %{ansi}\
- %{traditional} %{v:-version} %{pg:-p} %{p}\
- %{f*} %{+e*} %{aux-info*}\
- %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
- %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\
- %{!S:as %{R} %{j} %{J} %{h} %{d2} %a %Y\
- %{c:%W{o*}%{!o*:-o %w%b.%O}}%{!c:-o %d%w%u.%O}\
- %{!pipe:%g.s} %A\n }}}}"},
{".s", "@assembler"},
{"@assembler",
- "%{!M:%{!MM:%{!E:%{!S:as %{R} %{j} %{J} %{h} %{d2} %a %Y\
- %{c:%W{o*}%{!o*:-o %w%b.%O}}%{!c:-o %d%w%u.%O}\
+ "%{!M:%{!MM:%{!E:%{!S:as %a %Y\
+ %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}\
%i %A\n }}}}"},
{".S", "@assembler-with-cpp"},
{"@assembler-with-cpp",
%{C:%{!E:%eGNU C does not support -C without using -E}}\
%{M} %{MM} %{MD:-MD %b.d} %{MMD:-MMD %b.d} %{MG} %{trigraphs}\
-undef -$ %{!undef:%p %P} -D__ASSEMBLER__ \
- %c %{O*:%{!O0:-D__OPTIMIZE__}} %{traditional} %{ftraditional:-traditional}\
+ %c %{Os:-D__OPTIMIZE_SIZE__} %{O*:%{!O0:-D__OPTIMIZE__}}\
+ %{traditional} %{ftraditional:-traditional}\
%{traditional-cpp:-traditional}\
%{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\
%i %{!M:%{!MM:%{!E:%{!pipe:%g.s}}}}%{E:%W{o*}}%{M:%W{o*}}%{MM:%W{o*}} |\n",
- "%{!M:%{!MM:%{!E:%{!S:as %{R} %{j} %{J} %{h} %{d2} %a %Y\
- %{c:%W{o*}%{!o*:-o %w%b.%O}}%{!c:-o %d%w%u.%O}\
+ "%{!M:%{!MM:%{!E:%{!S:as %a %Y\
+ %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}\
%{!pipe:%g.s} %A\n }}}}"},
- {".ads", "@ada"},
- {".adb", "@ada"},
- {".ada", "@ada"},
- {"@ada",
- "%{!M:%{!MM:%{!E:gnat1 %{k8:-gnatk8} %{w:-gnatws} %{!Q:-quiet}\
- -dumpbase %b.ada %{g*} %{O*} %{p} %{pg:-p} %{f*}\
- %{d*}\
- %{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
- %i %{S:%W{o*}%{!o*:-o %b.s}}%{!S:-o %{|!pipe:%g.s}} |\n\
- %{!S:%{!gnatc:%{!gnats:as %{R} %{j} %{J} %{h} %{d2} %a %Y\
- %{c:%W{o*}%{!o*:-o %w%b.%O}}\
- %{!c:-o %d%w%u.%O} %{!pipe:%g.s} %A\n}}}}}} "},
+#include "specs.h"
/* Mark end of table */
{0, 0}
};
%{!fsyntax-only: \
%{!c:%{!M:%{!MM:%{!E:%{!S:ld %l %X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} \
%{r} %{s} %{t} %{u*} %{x} %{z} %{Z}\
- %{!A:%{!nostartfiles:%{!nostdlib:%S}}} %{static:}\
- %{L*} %{T*} %o %{!nostdlib:%G %L %G %{!A:%E}}\n }}}}}}";
+ %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
+ %{static:} %{L*} %o\
+ %{!nostdlib:%{!nodefaultlibs:%G %L %G}}\
+ %{!A:%{!nostdlib:%{!nostartfiles:%E}}}\
+ %{T*}\
+ \n }}}}}}";
#else
/* Use -L. */
static char *link_command_spec = "\
%{!fsyntax-only: \
%{!c:%{!M:%{!MM:%{!E:%{!S:ld %l %X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} \
%{r} %{s} %{t} %{u*} %{x} %{z} %{Z}\
- %{!A:%{!nostartfiles:%{!nostdlib:%S}}} %{static:}\
- %{L*} %D %{T*} %o %{!nostdlib:%G %L %G %{!A:%E}}\n }}}}}}";
+ %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
+ %{static:} %{L*} %D %o\
+ %{!nostdlib:%{!nodefaultlibs:%G %L %G}}\
+ %{!A:%{!nostdlib:%{!nostartfiles:%E}}}\
+ %{T*}\
+ \n }}}}}}";
#endif
/* A vector of options to give to the linker.
{"--comments", "-C", 0},
{"--compile", "-c", 0},
{"--debug", "-g", "oj"},
- {"--define-macro", "-D", "a"},
+ {"--define-macro", "-D", "aj"},
{"--dependencies", "-M", 0},
{"--dump", "-d", "a"},
{"--dumpbase", "-dumpbase", "a"},
{"--imacros", "-imacros", "a"},
{"--include", "-include", "a"},
{"--include-barrier", "-I-", 0},
- {"--include-directory", "-I", "a"},
+ {"--include-directory", "-I", "aj"},
{"--include-directory-after", "-idirafter", "a"},
{"--include-prefix", "-iprefix", "a"},
{"--include-with-prefix", "-iwithprefix", "a"},
{"--pipe", "-pipe", 0},
{"--prefix", "-B", "a"},
{"--preprocess", "-E", 0},
+ {"--print-search-dirs", "-print-search-dirs", 0},
{"--print-file-name", "-print-file-name=", "aj"},
{"--print-libgcc-file-name", "-print-libgcc-file-name", 0},
{"--print-missing-file-dependencies", "-MG", 0},
{"--save-temps", "-save-temps", 0},
{"--shared", "-shared", 0},
{"--silent", "-q", 0},
+ {"--specs", "-specs=", "aj"},
{"--static", "-static", 0},
{"--symbolic", "-symbolic", 0},
{"--target", "-b", "a"},
{"--traditional", "-traditional", 0},
{"--traditional-cpp", "-traditional-cpp", 0},
{"--trigraphs", "-trigraphs", 0},
- {"--undefine-macro", "-U", "a"},
+ {"--undefine-macro", "-U", "aj"},
{"--use-version", "-V", "a"},
{"--user-dependencies", "-MM", 0},
{"--verbose", "-v", 0},
/* Store the translation as one argv elt or as two. */
if (arg != 0 && index (arginfo, 'j') != 0)
- newv[newindex++] = concat (option_map[j].equivalent, arg);
+ newv[newindex++] = concat (option_map[j].equivalent, arg,
+ NULL_PTR);
else if (arg != 0)
{
newv[newindex++] = option_map[j].equivalent;
*argcp = newindex;
}
\f
-/* Read compilation specs from a file named FILENAME,
- replacing the default ones.
-
- A suffix which starts with `*' is a definition for
- one of the machine-specific sub-specs. The "suffix" should be
- *asm, *cc1, *cpp, *link, *startfile, *signed_char, etc.
- The corresponding spec is stored in asm_spec, etc.,
- rather than in the `compilers' vector.
-
- Anything invalid in the file is a fatal error. */
-
-static void
-read_specs (filename)
- char *filename;
+char *
+my_strerror(e)
+ int e;
{
- int desc;
- int readlen;
- struct stat statbuf;
- char *buffer;
- register char *p;
-
- if (verbose_flag)
- fprintf (stderr, "Reading specs from %s\n", filename);
-
- /* Open and stat the file. */
- desc = open (filename, O_RDONLY, 0);
- if (desc < 0)
- pfatal_with_name (filename);
- if (stat (filename, &statbuf) < 0)
- pfatal_with_name (filename);
-
- /* Read contents of file into BUFFER. */
- buffer = xmalloc ((unsigned) statbuf.st_size + 1);
- readlen = read (desc, buffer, (unsigned) statbuf.st_size);
- if (readlen < 0)
- pfatal_with_name (filename);
- buffer[readlen] = 0;
- close (desc);
-
- /* Scan BUFFER for specs, putting them in the vector. */
- p = buffer;
- while (1)
- {
- char *suffix;
- char *spec;
- char *in, *out, *p1, *p2;
-
- /* Advance P in BUFFER to the next nonblank nocomment line. */
- p = skip_whitespace (p);
- if (*p == 0)
- break;
+#ifdef HAVE_STRERROR
- /* Find the colon that should end the suffix. */
- p1 = p;
- while (*p1 && *p1 != ':' && *p1 != '\n') p1++;
- /* The colon shouldn't be missing. */
- if (*p1 != ':')
- fatal ("specs file malformed after %d characters", p1 - buffer);
- /* Skip back over trailing whitespace. */
- p2 = p1;
- while (p2 > buffer && (p2[-1] == ' ' || p2[-1] == '\t')) p2--;
- /* Copy the suffix to a string. */
- suffix = save_string (p, p2 - p);
- /* Find the next line. */
- p = skip_whitespace (p1 + 1);
- if (p[1] == 0)
- fatal ("specs file malformed after %d characters", p - buffer);
- p1 = p;
- /* Find next blank line. */
- while (*p1 && !(*p1 == '\n' && p1[1] == '\n')) p1++;
- /* Specs end at the blank line and do not include the newline. */
- spec = save_string (p, p1 - p);
- p = p1;
+ return strerror(e);
- /* Delete backslash-newline sequences from the spec. */
- in = spec;
- out = spec;
- while (*in != 0)
- {
- if (in[0] == '\\' && in[1] == '\n')
- in += 2;
- else if (in[0] == '#')
- {
- while (*in && *in != '\n') in++;
- }
- else
- *out++ = *in++;
- }
- *out = 0;
+#else
- if (suffix[0] == '*')
- {
- if (! strcmp (suffix, "*link_command"))
- link_command_spec = spec;
- else
- set_spec (suffix + 1, spec);
- }
- else
- {
- /* Add this pair to the vector. */
- compilers
- = ((struct compiler *)
- xrealloc (compilers, (n_compilers + 2) * sizeof (struct compiler)));
- compilers[n_compilers].suffix = suffix;
- bzero ((char *) compilers[n_compilers].spec,
- sizeof compilers[n_compilers].spec);
- compilers[n_compilers].spec[0] = spec;
- n_compilers++;
- bzero ((char *) &compilers[n_compilers],
- sizeof compilers[n_compilers]);
- }
+ static char buffer[30];
+ if (!e)
+ return "cannot access";
- if (*suffix == 0)
- link_command_spec = spec;
- }
+ if (e > 0 && e < sys_nerr)
+ return sys_errlist[e];
- if (link_command_spec == 0)
- fatal ("spec file has no spec for linking");
+ sprintf (buffer, "Unknown error %d", e);
+ return buffer;
+#endif
}
-
+\f
static char *
skip_whitespace (p)
char *p;
return p;
}
\f
-/* Structure to keep track of the specs that have been defined so far. These
- are accessed using %(specname) or %[specname] in a compiler or link spec. */
+/* Structure to keep track of the specs that have been defined so far.
+ These are accessed using %(specname) or %[specname] in a compiler
+ or link spec. */
struct spec_list
{
- char *name; /* Name of the spec. */
- char *spec; /* The spec itself. */
- struct spec_list *next; /* Next spec in linked list. */
+ /* The following 2 fields must be first */
+ /* to allow EXTRA_SPECS to be initialized */
+ char *name; /* name of the spec. */
+ char *ptr; /* available ptr if no static pointer */
+
+ /* The following fields are not initialized */
+ /* by EXTRA_SPECS */
+ char **ptr_spec; /* pointer to the spec itself. */
+ struct spec_list *next; /* Next spec in linked list. */
+ int name_len; /* length of the name */
+ int alloc_p; /* whether string was allocated */
};
-/* List of specs that have been defined so far. */
+#define INIT_STATIC_SPEC(NAME,PTR) \
+{ NAME, NULL_PTR, PTR, (struct spec_list *)0, sizeof (NAME)-1, 0 }
+
+/* List of statically defined specs */
+static struct spec_list static_specs[] = {
+ INIT_STATIC_SPEC ("asm", &asm_spec),
+ INIT_STATIC_SPEC ("asm_final", &asm_final_spec),
+ INIT_STATIC_SPEC ("cpp", &cpp_spec),
+ INIT_STATIC_SPEC ("cc1", &cc1_spec),
+ INIT_STATIC_SPEC ("cc1plus", &cc1plus_spec),
+ INIT_STATIC_SPEC ("endfile", &endfile_spec),
+ INIT_STATIC_SPEC ("link", &link_spec),
+ INIT_STATIC_SPEC ("lib", &lib_spec),
+ INIT_STATIC_SPEC ("libgcc", &libgcc_spec),
+ INIT_STATIC_SPEC ("startfile", &startfile_spec),
+ INIT_STATIC_SPEC ("switches_need_spaces", &switches_need_spaces),
+ INIT_STATIC_SPEC ("signed_char", &signed_char_spec),
+ INIT_STATIC_SPEC ("predefines", &cpp_predefines),
+ INIT_STATIC_SPEC ("cross_compile", &cross_compile),
+ INIT_STATIC_SPEC ("version", &compiler_version),
+ INIT_STATIC_SPEC ("multilib", &multilib_select),
+ INIT_STATIC_SPEC ("multilib_defaults", &multilib_defaults),
+ INIT_STATIC_SPEC ("multilib_extra", &multilib_extra),
+ INIT_STATIC_SPEC ("multilib_matches", &multilib_matches),
+};
+
+#ifdef EXTRA_SPECS /* additional specs needed */
+static struct spec_list extra_specs[] = { EXTRA_SPECS };
+#endif
+
+/* List of dynamically allocates specs that have been defined so far. */
+
+static struct spec_list *specs = (struct spec_list *)0;
+
+\f
+/* Initialize the specs lookup routines. */
+
+static void
+init_spec ()
+{
+ struct spec_list *next = (struct spec_list *)0;
+ struct spec_list *sl = (struct spec_list *)0;
+ int i;
+
+ if (specs)
+ return; /* already initialized */
+
+ if (verbose_flag)
+ fprintf (stderr, "Using builtin specs.\n");
+
+#ifdef EXTRA_SPECS
+ for (i = (sizeof (extra_specs) / sizeof (extra_specs[0])) - 1; i >= 0; i--)
+ {
+ sl = &extra_specs[i];
+ sl->next = next;
+ sl->name_len = strlen (sl->name);
+ sl->ptr_spec = &sl->ptr;
+ next = sl;
+ }
+#endif
+
+ for (i = (sizeof (static_specs) / sizeof (static_specs[0])) - 1; i >= 0; i--)
+ {
+ sl = &static_specs[i];
+ sl->next = next;
+ next = sl;
+ }
+
+ specs = sl;
+}
-static struct spec_list *specs = (struct spec_list *) 0;
\f
/* Change the value of spec NAME to SPEC. If SPEC is empty, then the spec is
removed; If the spec starts with a + then SPEC is added to the end of the
- current spec. */
+ current spec. */
static void
set_spec (name, spec)
{
struct spec_list *sl;
char *old_spec;
+ int name_len = strlen (name);
+ int i;
+
+ /* If this is the first call, initialize the statically allocated specs */
+ if (!specs)
+ {
+ struct spec_list *next = (struct spec_list *)0;
+ for (i = (sizeof (static_specs) / sizeof (static_specs[0])) - 1;
+ i >= 0; i--)
+ {
+ sl = &static_specs[i];
+ sl->next = next;
+ next = sl;
+ }
+ specs = sl;
+ }
/* See if the spec already exists */
for (sl = specs; sl; sl = sl->next)
- if (strcmp (sl->name, name) == 0)
+ if (name_len == sl->name_len && !strcmp (sl->name, name))
break;
if (!sl)
/* Not found - make it */
sl = (struct spec_list *) xmalloc (sizeof (struct spec_list));
sl->name = save_string (name, strlen (name));
- sl->spec = save_string ("", 0);
+ sl->name_len = name_len;
+ sl->ptr_spec = &sl->ptr;
+ sl->alloc_p = 0;
+ *(sl->ptr_spec) = "";
sl->next = specs;
specs = sl;
}
- old_spec = sl->spec;
- if (name && spec[0] == '+' && isspace (spec[1]))
- sl->spec = concat (old_spec, spec + 1);
- else
- sl->spec = save_string (spec, strlen (spec));
-
- if (! strcmp (name, "asm"))
- asm_spec = sl->spec;
- else if (! strcmp (name, "asm_final"))
- asm_final_spec = sl->spec;
- else if (! strcmp (name, "cc1"))
- cc1_spec = sl->spec;
- else if (! strcmp (name, "cc1plus"))
- cc1plus_spec = sl->spec;
- else if (! strcmp (name, "cpp"))
- cpp_spec = sl->spec;
- else if (! strcmp (name, "endfile"))
- endfile_spec = sl->spec;
- else if (! strcmp (name, "lib"))
- lib_spec = sl->spec;
- else if (! strcmp (name, "libgcc"))
- libgcc_spec = sl->spec;
- else if (! strcmp (name, "link"))
- link_spec = sl->spec;
- else if (! strcmp (name, "predefines"))
- cpp_predefines = sl->spec;
- else if (! strcmp (name, "signed_char"))
- signed_char_spec = sl->spec;
- else if (! strcmp (name, "startfile"))
- startfile_spec = sl->spec;
- else if (! strcmp (name, "switches_need_spaces"))
- switches_need_spaces = sl->spec;
- else if (! strcmp (name, "cross_compile"))
- cross_compile = atoi (sl->spec);
- else if (! strcmp (name, "multilib"))
- multilib_select = sl->spec;
+ old_spec = *(sl->ptr_spec);
+ *(sl->ptr_spec) = ((spec[0] == '+' && ISSPACE (spec[1]))
+ ? concat (old_spec, spec + 1, NULL_PTR)
+ : save_string (spec, strlen (spec)));
+
+#ifdef DEBUG_SPECS
+ if (verbose_flag)
+ fprintf (stderr, "Setting spec %s to '%s'\n\n", name, *(sl->ptr_spec));
+#endif
+
/* Free the old spec */
- if (old_spec)
+ if (old_spec && sl->alloc_p)
free (old_spec);
+
+ sl->alloc_p = 1;
}
\f
/* Accumulate a command (program name and args), and run it. */
static char *programname;
\f
-/* Structures to keep track of prefixes to try when looking for files. */
+/* Structures to keep track of prefixes to try when looking for files. */
struct prefix_list
{
- char *prefix; /* String to prepend to the path. */
- struct prefix_list *next; /* Next in linked list. */
+ char *prefix; /* String to prepend to the path. */
+ struct prefix_list *next; /* Next in linked list. */
int require_machine_suffix; /* Don't use without machine_suffix. */
/* 2 means try both machine_suffix and just_machine_suffix. */
int *used_flag_ptr; /* 1 if a file was found with this prefix. */
char *name; /* Name of this list (used in config stuff) */
};
-/* List of prefixes to try when looking for executables. */
+/* List of prefixes to try when looking for executables. */
static struct path_prefix exec_prefixes = { 0, 0, "exec" };
-/* List of prefixes to try when looking for startup (crt0) files. */
+/* List of prefixes to try when looking for startup (crt0) files. */
static struct path_prefix startfile_prefixes = { 0, 0, "startfile" };
int delete_always, delete_failure;
{
if (argbuf_index + 1 == argbuf_length)
- {
- argbuf = (char **) xrealloc (argbuf, (argbuf_length *= 2) * sizeof (char *));
- }
+ argbuf
+ = (char **) xrealloc (argbuf, (argbuf_length *= 2) * sizeof (char *));
argbuf[argbuf_index++] = arg;
argbuf[argbuf_index] = 0;
record_temp_file (arg, delete_always, delete_failure);
}
\f
-/* Record the names of temporary files we tell compilers to write,
- and delete them at the end of the run. */
-
-/* This is the common prefix we use to make temp file names.
- It is chosen once for each run of this program.
- It is substituted into a spec by %g.
- Thus, all temp file names contain this prefix.
- In practice, all temp file names start with this prefix.
+/* Read compilation specs from a file named FILENAME,
+ replacing the default ones.
- This prefix comes from the envvar TMPDIR if it is defined;
- otherwise, from the P_tmpdir macro if that is defined;
- otherwise, in /usr/tmp or /tmp. */
+ A suffix which starts with `*' is a definition for
+ one of the machine-specific sub-specs. The "suffix" should be
+ *asm, *cc1, *cpp, *link, *startfile, *signed_char, etc.
+ The corresponding spec is stored in asm_spec, etc.,
+ rather than in the `compilers' vector.
-static char *temp_filename;
+ Anything invalid in the file is a fatal error. */
-/* Length of the prefix. */
+static void
+read_specs (filename, main_p)
+ char *filename;
+ int main_p;
+{
+ int desc;
+ int readlen;
+ struct stat statbuf;
+ char *buffer;
+ register char *p;
-static int temp_filename_length;
+ if (verbose_flag)
+ fprintf (stderr, "Reading specs from %s\n", filename);
-/* Define the list of temporary files to delete. */
+ /* Open and stat the file. */
+ desc = open (filename, O_RDONLY, 0);
+ if (desc < 0)
+ pfatal_with_name (filename);
+ if (stat (filename, &statbuf) < 0)
+ pfatal_with_name (filename);
+
+ /* Read contents of file into BUFFER. */
+ buffer = xmalloc ((unsigned) statbuf.st_size + 1);
+ readlen = read (desc, buffer, (unsigned) statbuf.st_size);
+ if (readlen < 0)
+ pfatal_with_name (filename);
+ buffer[readlen] = 0;
+ close (desc);
+
+ /* Scan BUFFER for specs, putting them in the vector. */
+ p = buffer;
+ while (1)
+ {
+ char *suffix;
+ char *spec;
+ char *in, *out, *p1, *p2, *p3;
+
+ /* Advance P in BUFFER to the next nonblank nocomment line. */
+ p = skip_whitespace (p);
+ if (*p == 0)
+ break;
+
+ /* Is this a special command that starts with '%'? */
+ /* Don't allow this for the main specs file, since it would
+ encourage people to overwrite it. */
+ if (*p == '%' && !main_p)
+ {
+ p1 = p;
+ while (*p && *p != '\n')
+ p++;
+
+ p++; /* Skip '\n' */
+
+ if (!strncmp (p1, "%include", sizeof ("%include")-1)
+ && (p1[sizeof "%include" - 1] == ' '
+ || p1[sizeof "%include" - 1] == '\t'))
+ {
+ char *new_filename;
+
+ p1 += sizeof ("%include");
+ while (*p1 == ' ' || *p1 == '\t')
+ p1++;
+
+ if (*p1++ != '<' || p[-2] != '>')
+ fatal ("specs %%include syntax malformed after %d characters",
+ p1 - buffer + 1);
+
+ p[-2] = '\0';
+ new_filename = find_a_file (&startfile_prefixes, p1, R_OK);
+ read_specs (new_filename ? new_filename : p1, FALSE);
+ continue;
+ }
+ else if (!strncmp (p1, "%include_noerr", sizeof "%include_noerr" - 1)
+ && (p1[sizeof "%include_noerr" - 1] == ' '
+ || p1[sizeof "%include_noerr" - 1] == '\t'))
+ {
+ char *new_filename;
+
+ p1 += sizeof "%include_noerr";
+ while (*p1 == ' ' || *p1 == '\t') p1++;
+
+ if (*p1++ != '<' || p[-2] != '>')
+ fatal ("specs %%include syntax malformed after %d characters",
+ p1 - buffer + 1);
+
+ p[-2] = '\0';
+ new_filename = find_a_file (&startfile_prefixes, p1, R_OK);
+ if (new_filename)
+ read_specs (new_filename, FALSE);
+ else if (verbose_flag)
+ fprintf (stderr, "Could not find specs file %s\n", p1);
+ continue;
+ }
+ else if (!strncmp (p1, "%rename", sizeof "%rename" - 1)
+ && (p1[sizeof "%rename" - 1] == ' '
+ || p1[sizeof "%rename" - 1] == '\t'))
+ {
+ int name_len;
+ struct spec_list *sl;
+
+ /* Get original name */
+ p1 += sizeof "%rename";
+ while (*p1 == ' ' || *p1 == '\t')
+ p1++;
+
+ if (! ISALPHA (*p1))
+ fatal ("specs %%rename syntax malformed after %d characters",
+ p1 - buffer);
+
+ p2 = p1;
+ while (*p2 && !ISSPACE (*p2))
+ p2++;
+
+ if (*p2 != ' ' && *p2 != '\t')
+ fatal ("specs %%rename syntax malformed after %d characters",
+ p2 - buffer);
+
+ name_len = p2 - p1;
+ *p2++ = '\0';
+ while (*p2 == ' ' || *p2 == '\t')
+ p2++;
+
+ if (! ISALPHA (*p2))
+ fatal ("specs %%rename syntax malformed after %d characters",
+ p2 - buffer);
+
+ /* Get new spec name */
+ p3 = p2;
+ while (*p3 && !ISSPACE (*p3))
+ p3++;
+
+ if (p3 != p-1)
+ fatal ("specs %%rename syntax malformed after %d characters",
+ p3 - buffer);
+ *p3 = '\0';
+
+ for (sl = specs; sl; sl = sl->next)
+ if (name_len == sl->name_len && !strcmp (sl->name, p1))
+ break;
+
+ if (!sl)
+ fatal ("specs %s spec was not found to be renamed", p1);
+
+ if (strcmp (p1, p2) == 0)
+ continue;
+
+ if (verbose_flag)
+ {
+ fprintf (stderr, "rename spec %s to %s\n", p1, p2);
+#ifdef DEBUG_SPECS
+ fprintf (stderr, "spec is '%s'\n\n", *(sl->ptr_spec));
+#endif
+ }
+
+ set_spec (p2, *(sl->ptr_spec));
+ if (sl->alloc_p)
+ free (*(sl->ptr_spec));
+
+ *(sl->ptr_spec) = "";
+ sl->alloc_p = 0;
+ continue;
+ }
+ else
+ fatal ("specs unknown %% command after %d characters",
+ p1 - buffer);
+ }
+
+ /* Find the colon that should end the suffix. */
+ p1 = p;
+ while (*p1 && *p1 != ':' && *p1 != '\n')
+ p1++;
+
+ /* The colon shouldn't be missing. */
+ if (*p1 != ':')
+ fatal ("specs file malformed after %d characters", p1 - buffer);
+
+ /* Skip back over trailing whitespace. */
+ p2 = p1;
+ while (p2 > buffer && (p2[-1] == ' ' || p2[-1] == '\t'))
+ p2--;
+
+ /* Copy the suffix to a string. */
+ suffix = save_string (p, p2 - p);
+ /* Find the next line. */
+ p = skip_whitespace (p1 + 1);
+ if (p[1] == 0)
+ fatal ("specs file malformed after %d characters", p - buffer);
+
+ p1 = p;
+ /* Find next blank line. */
+ while (*p1 && !(*p1 == '\n' && p1[1] == '\n'))
+ p1++;
+
+ /* Specs end at the blank line and do not include the newline. */
+ spec = save_string (p, p1 - p);
+ p = p1;
+
+ /* Delete backslash-newline sequences from the spec. */
+ in = spec;
+ out = spec;
+ while (*in != 0)
+ {
+ if (in[0] == '\\' && in[1] == '\n')
+ in += 2;
+ else if (in[0] == '#')
+ while (*in && *in != '\n')
+ in++;
+
+ else
+ *out++ = *in++;
+ }
+ *out = 0;
+
+ if (suffix[0] == '*')
+ {
+ if (! strcmp (suffix, "*link_command"))
+ link_command_spec = spec;
+ else
+ set_spec (suffix + 1, spec);
+ }
+ else
+ {
+ /* Add this pair to the vector. */
+ compilers
+ = ((struct compiler *)
+ xrealloc (compilers,
+ (n_compilers + 2) * sizeof (struct compiler)));
+
+ compilers[n_compilers].suffix = suffix;
+ bzero ((char *) compilers[n_compilers].spec,
+ sizeof compilers[n_compilers].spec);
+ compilers[n_compilers].spec[0] = spec;
+ n_compilers++;
+ bzero ((char *) &compilers[n_compilers],
+ sizeof compilers[n_compilers]);
+ }
+
+ if (*suffix == 0)
+ link_command_spec = spec;
+ }
+
+ if (link_command_spec == 0)
+ fatal ("spec file has no spec for linking");
+}
+\f
+/* Record the names of temporary files we tell compilers to write,
+ and delete them at the end of the run. */
+
+/* This is the common prefix we use to make temp file names.
+ It is chosen once for each run of this program.
+ It is substituted into a spec by %g.
+ Thus, all temp file names contain this prefix.
+ In practice, all temp file names start with this prefix.
+
+ This prefix comes from the envvar TMPDIR if it is defined;
+ otherwise, from the P_tmpdir macro if that is defined;
+ otherwise, in /usr/tmp or /tmp;
+ or finally the current directory if all else fails. */
+
+static char *temp_filename;
+
+/* Length of the prefix. */
+
+static int temp_filename_length;
+
+/* Define the list of temporary files to delete. */
struct temp_file
{
for (temp = always_delete_queue; temp; temp = temp->next)
if (! strcmp (name, temp->name))
goto already1;
+
temp = (struct temp_file *) xmalloc (sizeof (struct temp_file));
temp->next = always_delete_queue;
temp->name = name;
always_delete_queue = temp;
+
already1:;
}
for (temp = failure_delete_queue; temp; temp = temp->next)
if (! strcmp (name, temp->name))
goto already2;
+
temp = (struct temp_file *) xmalloc (sizeof (struct temp_file));
temp->next = failure_delete_queue;
temp->name = name;
failure_delete_queue = temp;
+
already2:;
}
}
fflush (stdout);
i = getchar ();
if (i != '\n')
- while ((c = getchar ()) != '\n' && c != EOF) ;
+ while ((c = getchar ()) != '\n' && c != EOF)
+ ;
+
if (i == 'y' || i == 'Y')
#endif /* DEBUG */
if (stat (name, &st) >= 0 && S_ISREG (st.st_mode))
{
failure_delete_queue = 0;
}
-
-/* Compute a string to use as the base of all temporary file names.
- It is substituted for %g. */
-
-static char *
-choose_temp_base_try (try, base)
- char *try;
- char *base;
-{
- char *rv;
- if (base)
- rv = base;
- else if (try == (char *)0)
- rv = 0;
- else if (access (try, R_OK | W_OK) != 0)
- rv = 0;
- else
- rv = try;
- return rv;
-}
-
-static void
-choose_temp_base ()
-{
- char *base = 0;
- int len;
-
- base = choose_temp_base_try (getenv ("TMPDIR"), base);
- base = choose_temp_base_try (getenv ("TMP"), base);
- base = choose_temp_base_try (getenv ("TEMP"), base);
-
-#ifdef P_tmpdir
- base = choose_temp_base_try (P_tmpdir, base);
-#endif
-
- base = choose_temp_base_try (concat4 (dir_separator_str, "usr",
- dir_separator_str, "tmp"),
- base);
- base = choose_temp_base_try (concat (dir_separator_str, "tmp"), base);
-
- /* If all else fails, use the current directory! */
- if (base == (char *)0) base = concat(".", dir_separator_str);
-
- len = strlen (base);
- temp_filename = xmalloc (len + strlen (concat (dir_separator_str,
- "ccXXXXXX")) + 1);
- strcpy (temp_filename, base);
- if (len > 0 && temp_filename[len-1] != '/'
- && temp_filename[len-1] != DIR_SEPARATOR)
- temp_filename[len++] = DIR_SEPARATOR;
- strcpy (temp_filename + len, "ccXXXXXX");
-
- mktemp (temp_filename);
- temp_filename_length = strlen (temp_filename);
- if (temp_filename_length == 0)
- abort ();
-}
\f
-
/* Routine to add variables to the environment. We do this to pass
the pathname of the gcc driver, and the directories search to the
collect2 program, which is being run as ld. This way, we can be
#endif /* HAVE_PUTENV */
\f
-/* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables for collect. */
+/* Build a list of search directories from PATHS.
+ PREFIX is a string to prepend to the list.
+ If CHECK_DIR_P is non-zero we ensure the directory exists.
+ This is used mostly by putenv_from_prefixes so we use `collect_obstack'.
+ It is also used by the --print-search-dirs flag. */
-static void
-putenv_from_prefixes (paths, env_var)
+static char *
+build_search_list (paths, prefix, check_dir_p)
struct path_prefix *paths;
- char *env_var;
+ char *prefix;
+ int check_dir_p;
{
int suffix_len = (machine_suffix) ? strlen (machine_suffix) : 0;
int just_suffix_len
int first_time = TRUE;
struct prefix_list *pprefix;
- obstack_grow (&collect_obstack, env_var, strlen (env_var));
+ obstack_grow (&collect_obstack, prefix, strlen (prefix));
for (pprefix = paths->plist; pprefix != 0; pprefix = pprefix->next)
{
int len = strlen (pprefix->prefix);
if (machine_suffix
- && is_directory (pprefix->prefix, machine_suffix, 0))
+ && (! check_dir_p
+ || is_directory (pprefix->prefix, machine_suffix, 0)))
{
if (!first_time)
obstack_1grow (&collect_obstack, PATH_SEPARATOR);
if (just_machine_suffix
&& pprefix->require_machine_suffix == 2
- && is_directory (pprefix->prefix, just_machine_suffix, 0))
+ && (! check_dir_p
+ || is_directory (pprefix->prefix, just_machine_suffix, 0)))
{
- if (!first_time)
+ if (! first_time)
obstack_1grow (&collect_obstack, PATH_SEPARATOR);
first_time = FALSE;
just_suffix_len);
}
- if (!pprefix->require_machine_suffix)
+ if (! pprefix->require_machine_suffix)
{
- if (!first_time)
+ if (! first_time)
obstack_1grow (&collect_obstack, PATH_SEPARATOR);
first_time = FALSE;
obstack_grow (&collect_obstack, pprefix->prefix, len);
}
}
+
obstack_1grow (&collect_obstack, '\0');
- putenv (obstack_finish (&collect_obstack));
+ return obstack_finish (&collect_obstack);
}
+/* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables
+ for collect. */
+
+static void
+putenv_from_prefixes (paths, env_var)
+ struct path_prefix *paths;
+ char *env_var;
+{
+ putenv (build_search_list (paths, env_var, 1));
+}
\f
/* Search for NAME using the prefix list PREFIXES. MODE is passed to
access to check permissions.
- Return 0 if not found, otherwise return its name, allocated with malloc. */
+ Return 0 if not found, otherwise return its name, allocated with malloc. */
static char *
find_a_file (pprefix, name, mode)
/* Determine the filename to execute (special case for absolute paths). */
- if (*name == '/' || *name == DIR_SEPARATOR)
+ if (*name == '/' || *name == DIR_SEPARATOR
+ /* Check for disk name on MS-DOS-based systems. */
+ || (DIR_SEPARATOR == '\\' && name[1] == ':'
+ && (name[2] == DIR_SEPARATOR || name[2] == '/')))
{
if (access (name, mode))
{
/* Certain prefixes can't be used without the machine suffix
when the machine or version is explicitly specified. */
- if (!pl->require_machine_suffix)
+ if (! pl->require_machine_suffix)
{
/* Some systems have a suffix for executable files.
So try appending that first. */
through this prefix. WARN should point to an int
which will be set to 1 if this entry is used.
+ COMPONENT is the value to be passed to update_path.
+
REQUIRE_MACHINE_SUFFIX is 1 if this prefix can't be used without
the complete value of machine_suffix.
2 means try both machine_suffix and just_machine_suffix. */
static void
-add_prefix (pprefix, prefix, first, require_machine_suffix, warn)
+add_prefix (pprefix, prefix, component, first, require_machine_suffix, warn)
struct path_prefix *pprefix;
char *prefix;
+ char *component;
int first;
int require_machine_suffix;
int *warn;
struct prefix_list *pl, **prev;
int len;
- if (!first && pprefix->plist)
+ if (! first && pprefix->plist)
{
for (pl = pprefix->plist; pl->next; pl = pl->next)
;
/* Keep track of the longest prefix */
+ prefix = update_path (prefix, component);
len = strlen (prefix);
if (len > pprefix->max_len)
pprefix->max_len = len;
{
if (pl->used_flag_ptr != 0 && !*pl->used_flag_ptr)
{
- error ("file path prefix `%s' never used",
- pl->prefix);
+ if (pl->require_machine_suffix && machine_suffix)
+ error ("file path prefix `%s%s' never used", pl->prefix,
+ machine_suffix);
+ else
+ error ("file path prefix `%s' never used", pl->prefix);
+
/* Prevent duplicate warnings. */
*pl->used_flag_ptr = 1;
}
- pl = pl->next;
- }
-}
-
-/* Get rid of all prefixes built up so far in *PLISTP. */
-static void
-free_path_prefix (pprefix)
- struct path_prefix *pprefix;
-{
- struct prefix_list *pl = pprefix->plist;
- struct prefix_list *temp;
-
- while (pl)
- {
- temp = pl;
pl = pl->next;
- free (temp->prefix);
- free ((char *) temp);
}
- pprefix->plist = (struct prefix_list *) 0;
}
-\f
-/* stdin file number. */
-#define STDIN_FILE_NO 0
-
-/* stdout file number. */
-#define STDOUT_FILE_NO 1
-
-/* value of `pipe': port index for reading. */
-#define READ_PORT 0
-
-/* value of `pipe': port index for writing. */
-#define WRITE_PORT 1
-
-/* Pipe waiting from last process, to be used as input for the next one.
- Value is STDIN_FILE_NO if no pipe is waiting
- (i.e. the next command is the first of a group). */
-
-static int last_pipe_input;
-
-/* Fork one piped subcommand. FUNC is the system call to use
- (either execv or execvp). ARGV is the arg vector to use.
- NOT_LAST is nonzero if this is not the last subcommand
- (i.e. its output should be piped to the next one.) */
-
-#ifdef __MSDOS__
-
-#include <process.h>
-static int
-pexecute (search_flag, program, argv, not_last)
- int search_flag;
- char *program;
- char *argv[];
- int not_last;
-{
-#ifdef __GO32__
- int i = (search_flag ? spawnv : spawnvp) (1, program, argv);
-#else
- char *scmd, *rf;
- FILE *argfile;
- int i, el = search_flag ? 0 : 4;
-
- scmd = (char *)malloc (strlen (program) + strlen (temp_filename) + 6 + el);
- rf = scmd + strlen(program) + 2 + el;
- sprintf (scmd, "%s%s @%s.gp", program,
- (search_flag ? "" : ".exe"), temp_filename);
- argfile = fopen (rf, "w");
- if (argfile == 0)
- pfatal_with_name (rf);
-
- for (i=1; argv[i]; i++)
- {
- char *cp;
- for (cp = argv[i]; *cp; cp++)
- {
- if (*cp == '"' || *cp == '\'' || *cp == '\\' || isspace (*cp))
- fputc ('\\', argfile);
- fputc (*cp, argfile);
- }
- fputc ('\n', argfile);
- }
- fclose (argfile);
-
- i = system (scmd);
-
- remove (rf);
-#endif
-
- if (i == -1)
- {
- perror_exec (program);
- return MIN_FATAL_STATUS << 8;
- }
- return i << 8;
-}
-
-#endif
-
-#if !defined(__MSDOS__) && !defined(OS2) && !defined(WINNT)
-
-static int
-pexecute (search_flag, program, argv, not_last)
- int search_flag;
- char *program;
- char *argv[];
- int not_last;
-{
- int (*func)() = (search_flag ? execv : execvp);
- int pid;
- int pdes[2];
- int input_desc = last_pipe_input;
- int output_desc = STDOUT_FILE_NO;
- int retries, sleep_interval;
-
- /* If this isn't the last process, make a pipe for its output,
- and record it as waiting to be the input to the next process. */
-
- if (not_last)
- {
- if (pipe (pdes) < 0)
- pfatal_with_name ("pipe");
- output_desc = pdes[WRITE_PORT];
- last_pipe_input = pdes[READ_PORT];
- }
- else
- last_pipe_input = STDIN_FILE_NO;
-
- /* Fork a subprocess; wait and retry if it fails. */
- sleep_interval = 1;
- for (retries = 0; retries < 4; retries++)
- {
- pid = vfork ();
- if (pid >= 0)
- break;
- sleep (sleep_interval);
- sleep_interval *= 2;
- }
-
- switch (pid)
- {
- case -1:
-#ifdef vfork
- pfatal_with_name ("fork");
-#else
- pfatal_with_name ("vfork");
-#endif
- /* NOTREACHED */
- return 0;
-
- case 0: /* child */
- /* Move the input and output pipes into place, if nec. */
- if (input_desc != STDIN_FILE_NO)
- {
- close (STDIN_FILE_NO);
- dup (input_desc);
- close (input_desc);
- }
- if (output_desc != STDOUT_FILE_NO)
- {
- close (STDOUT_FILE_NO);
- dup (output_desc);
- close (output_desc);
- }
-
- /* Close the parent's descs that aren't wanted here. */
- if (last_pipe_input != STDIN_FILE_NO)
- close (last_pipe_input);
-
- /* Exec the program. */
- (*func) (program, argv);
- perror_exec (program);
- exit (-1);
- /* NOTREACHED */
- return 0;
-
- default:
- /* In the parent, after forking.
- Close the descriptors that we made for this child. */
- if (input_desc != STDIN_FILE_NO)
- close (input_desc);
- if (output_desc != STDOUT_FILE_NO)
- close (output_desc);
-
- /* Return child's process number. */
- return pid;
- }
-}
-
-#endif /* not __MSDOS__ and not OS2 and not WINNT */
-
-#if defined(OS2) || defined(WINNT)
-
-#ifdef WINNT
-
-char **
-fix_argv (argvec)
- char **argvec
-{
- int i;
-
- for (i = 1; argvec[i] != 0; i++)
- {
- int len, j;
- char *temp, *newtemp;
-
- temp = argvec[i];
- len = strlen (temp);
- for (j = 0; j < len; j++)
- {
- if (temp[j] == '"')
- {
- newtemp = xmalloc (len + 2);
- strncpy (newtemp, temp, j);
- newtemp [j] = '\\';
- strncpy (&newtemp [j+1], &temp [j], len-j);
- newtemp [len+1] = 0;
- free (temp);
- temp = newtemp;
- len++;
- j++;
- }
- }
-
- argvec[i] = temp;
- }
-
- return argvec;
-}
-
-#define FIX_ARGV(a) fix_argv(a)
-
-#else
-
-#define FIX_ARGV(a) a
-
-#endif /* OS2 or WINNT */
-
-static int
-pexecute (search_flag, program, argv, not_last)
- int search_flag;
- char *program;
- char *argv[];
- int not_last;
-{
- return (search_flag ? spawnv : spawnvp) (1, program, FIX_ARGV (argv));
-}
-#endif /* OS2 or WINNT */
\f
/* Execute the command specified by the arguments on the current line of spec.
for (n_commands = 1, i = 0; i < argbuf_index; i++)
if (strcmp (argbuf[i], "|") == 0)
{ /* each command. */
-#ifdef __MSDOS__
- fatal ("-pipe not supported under MS-DOS");
+#if defined (__MSDOS__) || (defined (_WIN32) && defined (__CYGWIN32_)) || defined (OS2) || defined (VMS)
+ fatal ("-pipe not supported");
#endif
argbuf[i] = 0; /* termination of command args. */
commands[n_commands].prog = argbuf[i + 1];
fflush (stderr);
i = getchar ();
if (i != '\n')
- while (getchar () != '\n') ;
+ while (getchar () != '\n')
+ ;
+
if (i != 'y' && i != 'Y')
return 0;
#endif /* DEBUG */
/* Run each piped subprocess. */
- last_pipe_input = STDIN_FILE_NO;
for (i = 0; i < n_commands; i++)
{
+ char *errmsg_fmt, *errmsg_arg;
char *string = commands[i].argv[0];
- commands[i].pid = pexecute (string != commands[i].prog,
- string, commands[i].argv,
- i + 1 < n_commands);
+ commands[i].pid = pexecute (string, commands[i].argv,
+ programname, temp_filename,
+ &errmsg_fmt, &errmsg_arg,
+ ((i == 0 ? PEXECUTE_FIRST : 0)
+ | (i + 1 == n_commands ? PEXECUTE_LAST : 0)
+ | (string == commands[i].prog
+ ? PEXECUTE_SEARCH : 0)
+ | (verbose_flag ? PEXECUTE_VERBOSE : 0)));
+
+ if (commands[i].pid == -1)
+ pfatal_pexecute (errmsg_fmt, errmsg_arg);
if (string != commands[i].prog)
free (string);
int status;
int pid;
-#ifdef __MSDOS__
- status = pid = commands[i].pid;
-#else
-#ifdef WINNT
- pid = cwait (&status, commands[i].pid, WAIT_CHILD);
-#else
- pid = wait (&status);
-#endif
-#endif
+ pid = pwait (commands[i].pid, &status, 0);
if (pid < 0)
abort ();
static char **outfiles;
+/* Used to track if none of the -B paths are used. */
+static int warn_B;
+
+/* Used to track if standard path isn't used and -b or -V is specified. */
+static int warn_std;
+
+/* Gives value to pass as "warn" to add_prefix for standard prefixes. */
+static int *warn_std_ptr = 0;
+
+\f
+#if defined(HAVE_OBJECT_SUFFIX) || defined(HAVE_EXECUTABLE_SUFFIX)
+
+/* Convert NAME to a new name if it is the standard suffix. DO_EXE
+ is true if we should look for an executable suffix as well. */
+
+static char *
+convert_filename (name, do_exe)
+ char *name;
+ int do_exe;
+{
+ int i;
+ int len = strlen (name);
+
+#ifdef HAVE_OBJECT_SUFFIX
+ /* Convert x.o to x.obj if OBJECT_SUFFIX is ".obj". */
+ if (len > 2
+ && name[len - 2] == '.'
+ && name[len - 1] == 'o')
+ {
+ obstack_grow (&obstack, name, len - 2);
+ obstack_grow0 (&obstack, OBJECT_SUFFIX, strlen (OBJECT_SUFFIX));
+ name = obstack_finish (&obstack);
+ }
+#endif
+
+#ifdef HAVE_EXECUTABLE_SUFFIX
+ /* If there is no filetype, make it the executable suffix (which includes
+ the "."). But don't get confused if we have just "-o". */
+ if (! do_exe || EXECUTABLE_SUFFIX[0] == 0 || (len == 2 && name[0] == '-'))
+ return name;
+
+ for (i = len - 1; i >= 0; i--)
+ if (name[i] == '/' || name[i] == DIR_SEPARATOR)
+ break;
+
+ for (i++; i < len; i++)
+ if (name[i] == '.')
+ return name;
+
+ obstack_grow (&obstack, name, len);
+ obstack_grow0 (&obstack, EXECUTABLE_SUFFIX, strlen (EXECUTABLE_SUFFIX));
+ name = obstack_finish (&obstack);
+#endif
+
+ return name;
+}
+#endif
+\f
/* Create the vector `switches' and its contents.
Store its length in `n_switches'. */
char *temp;
char *spec_lang = 0;
int last_language_n_infiles;
+ int have_c = 0;
+ int have_o = 0;
+ int lang_n_infiles = 0;
gcc_exec_prefix = getenv ("GCC_EXEC_PREFIX");
if (gcc_exec_prefix)
{
- add_prefix (&exec_prefixes, gcc_exec_prefix, 0, 0, NULL_PTR);
- add_prefix (&startfile_prefixes, gcc_exec_prefix, 0, 0, NULL_PTR);
+ add_prefix (&exec_prefixes, gcc_exec_prefix, "GCC", 0, 0, NULL_PTR);
+ add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC", 0, 0, NULL_PTR);
}
/* COMPILER_PATH and LIBRARY_PATH have values
{
strncpy (nstore, startp, endp-startp);
if (endp == startp)
- strcpy (nstore, concat (".", dir_separator_str));
+ strcpy (nstore, concat (".", dir_separator_str, NULL_PTR));
else if (endp[-1] != '/' && endp[-1] != DIR_SEPARATOR)
{
nstore[endp-startp] = DIR_SEPARATOR;
}
else
nstore[endp-startp] = 0;
- add_prefix (&exec_prefixes, nstore, 0, 0, NULL_PTR);
+ add_prefix (&exec_prefixes, nstore, 0, 0, 0, NULL_PTR);
+ add_prefix (&include_prefixes,
+ concat (nstore, "include", NULL_PTR),
+ 0, 0, 0, NULL_PTR);
if (*endp == 0)
break;
endp = startp = endp + 1;
}
temp = getenv ("LIBRARY_PATH");
- if (temp && ! cross_compile)
+ if (temp && *cross_compile == '0')
{
char *startp, *endp;
char *nstore = (char *) alloca (strlen (temp) + 3);
{
strncpy (nstore, startp, endp-startp);
if (endp == startp)
- strcpy (nstore, concat (".", dir_separator_str));
+ strcpy (nstore, concat (".", dir_separator_str, NULL_PTR));
else if (endp[-1] != '/' && endp[-1] != DIR_SEPARATOR)
{
nstore[endp-startp] = DIR_SEPARATOR;
}
else
nstore[endp-startp] = 0;
- add_prefix (&startfile_prefixes, nstore, 0, 0, NULL_PTR);
+ add_prefix (&startfile_prefixes, nstore, NULL_PTR,
+ 0, 0, NULL_PTR);
if (*endp == 0)
break;
endp = startp = endp + 1;
/* Use LPATH like LIBRARY_PATH (for the CMU build program). */
temp = getenv ("LPATH");
- if (temp && ! cross_compile)
+ if (temp && *cross_compile == '0')
{
char *startp, *endp;
char *nstore = (char *) alloca (strlen (temp) + 3);
{
strncpy (nstore, startp, endp-startp);
if (endp == startp)
- strcpy (nstore, concat (".", dir_separator_str));
+ strcpy (nstore, concat (".", dir_separator_str, NULL_PTR));
else if (endp[-1] != '/' && endp[-1] != DIR_SEPARATOR)
{
nstore[endp-startp] = DIR_SEPARATOR;
}
else
nstore[endp-startp] = 0;
- add_prefix (&startfile_prefixes, nstore, 0, 0, NULL_PTR);
+ add_prefix (&startfile_prefixes, nstore, NULL_PTR,
+ 0, 0, NULL_PTR);
if (*endp == 0)
break;
endp = startp = endp + 1;
/* Convert new-style -- options to old-style. */
translate_options (&argc, &argv);
+#ifdef LANG_SPECIFIC_DRIVER
+ /* Do language-specific adjustment/addition of flags. */
+ lang_specific_driver (fatal, &argc, &argv);
+#endif
+
/* Scan argv twice. Here, the first time, just count how many switches
there will be in their vector, and how many input files in theirs.
Here we also parse the switches that cc itself uses (e.g. -v). */
{
if (! strcmp (argv[i], "-dumpspecs"))
{
- printf ("*asm:\n%s\n\n", asm_spec);
- printf ("*asm_final:\n%s\n\n", asm_final_spec);
- printf ("*cpp:\n%s\n\n", cpp_spec);
- printf ("*cc1:\n%s\n\n", cc1_spec);
- printf ("*cc1plus:\n%s\n\n", cc1plus_spec);
- printf ("*endfile:\n%s\n\n", endfile_spec);
- printf ("*link:\n%s\n\n", link_spec);
- printf ("*lib:\n%s\n\n", lib_spec);
- printf ("*libgcc:\n%s\n\n", libgcc_spec);
- printf ("*startfile:\n%s\n\n", startfile_spec);
- printf ("*switches_need_spaces:\n%s\n\n", switches_need_spaces);
- printf ("*signed_char:\n%s\n\n", signed_char_spec);
- printf ("*predefines:\n%s\n\n", cpp_predefines);
- printf ("*cross_compile:\n%d\n\n", cross_compile);
- printf ("*multilib:\n%s\n\n", multilib_select);
-
+ struct spec_list *sl;
+ init_spec ();
+ for (sl = specs; sl; sl = sl->next)
+ printf ("*%s:\n%s\n\n", sl->name, *(sl->ptr_spec));
exit (0);
}
else if (! strcmp (argv[i], "-dumpversion"))
printf ("%s\n", spec_machine);
exit (0);
}
+ else if (! strcmp (argv[i], "-print-search-dirs"))
+ print_search_dirs = 1;
else if (! strcmp (argv[i], "-print-libgcc-file-name"))
- print_file_name = "libgcc.a";
+ print_file_name = "libgcc.a";
else if (! strncmp (argv[i], "-print-file-name=", 17))
- print_file_name = argv[i] + 17;
+ print_file_name = argv[i] + 17;
else if (! strncmp (argv[i], "-print-prog-name=", 17))
- print_prog_name = argv[i] + 17;
+ print_prog_name = argv[i] + 17;
else if (! strcmp (argv[i], "-print-multi-lib"))
print_multi_lib = 1;
else if (! strcmp (argv[i], "-print-multi-directory"))
}
else if (strncmp (argv[i], "-l", 2) == 0)
n_infiles++;
+ else if (strcmp (argv[i], "-save-temps") == 0)
+ {
+ save_temps_flag = 1;
+ n_switches++;
+ }
+ else if (strcmp (argv[i], "-specs") == 0)
+ {
+ struct user_specs *user = (struct user_specs *)
+ xmalloc (sizeof (struct user_specs));
+ if (++i >= argc)
+ fatal ("argument to `-specs' is missing");
+
+ user->next = (struct user_specs *)0;
+ user->filename = argv[i];
+ if (user_specs_tail)
+ user_specs_tail->next = user;
+ else
+ user_specs_head = user;
+ user_specs_tail = user;
+ }
+ else if (strncmp (argv[i], "-specs=", 7) == 0)
+ {
+ struct user_specs *user = (struct user_specs *)
+ xmalloc (sizeof (struct user_specs));
+ if (strlen (argv[i]) == 7)
+ fatal ("argument to `-specs=' is missing");
+
+ user->next = (struct user_specs *)0;
+ user->filename = argv[i]+7;
+ if (user_specs_tail)
+ user_specs_tail->next = user;
+ else
+ user_specs_head = user;
+ user_specs_tail = user;
+ }
else if (argv[i][0] == '-' && argv[i][1] != 0)
{
register char *p = &argv[i][1];
switch (c)
{
case 'b':
+ n_switches++;
if (p[1] == 0 && i + 1 == argc)
fatal ("argument to `-b' is missing");
if (p[1] == 0)
spec_machine = argv[++i];
else
spec_machine = p + 1;
+
+ warn_std_ptr = &warn_std;
break;
case 'B':
{
- int *temp = (int *) xmalloc (sizeof (int));
char *value;
if (p[1] == 0 && i + 1 == argc)
fatal ("argument to `-B' is missing");
value = argv[++i];
else
value = p + 1;
- add_prefix (&exec_prefixes, value, 1, 0, temp);
- add_prefix (&startfile_prefixes, value, 1, 0, temp);
- add_prefix (&include_prefixes, concat (value, "include"),
- 1, 0, 0);
+ add_prefix (&exec_prefixes, value, NULL_PTR, 1, 0, &warn_B);
+ add_prefix (&startfile_prefixes, value, NULL_PTR,
+ 1, 0, &warn_B);
+ add_prefix (&include_prefixes, concat (value, "include",
+ NULL_PTR),
+ NULL_PTR, 1, 0, NULL_PTR);
/* As a kludge, if the arg is "[foo/]stageN/", just add
"[foo/]include" to the include prefix. */
&& (value[len - 8] == '/'
|| value[len - 8] == DIR_SEPARATOR)))
&& strncmp (value + len - 7, "stage", 5) == 0
- && isdigit (value[len - 2])
+ && ISDIGIT (value[len - 2])
&& (value[len - 1] == '/'
|| value[len - 1] == DIR_SEPARATOR))
{
if (len == 7)
- add_prefix (&include_prefixes, "include", 1, 0, 0);
+ add_prefix (&include_prefixes, "include", NULL_PTR,
+ 1, 0, NULL_PTR);
else
{
char *string = xmalloc (len + 1);
strncpy (string, value, len-7);
- strcat (string, "include");
- add_prefix (&include_prefixes, string, 1, 0, 0);
+ strcpy (string+len-7, "include");
+ add_prefix (&include_prefixes, string, NULL_PTR,
+ 1, 0, NULL_PTR);
}
}
}
+ n_switches++;
}
break;
break;
case 'V':
+ n_switches++;
if (p[1] == 0 && i + 1 == argc)
fatal ("argument to `-V' is missing");
if (p[1] == 0)
else
spec_version = p + 1;
compiler_version = spec_version;
+ warn_std_ptr = &warn_std;
break;
- case 's':
- if (!strcmp (p, "save-temps"))
+ case 'c':
+ if (p[1] == 0)
{
- save_temps_flag = 1;
+ have_c = 1;
n_switches++;
break;
}
+ goto normal_switch;
+
+ case 'o':
+ have_o = 1;
+#if defined(HAVE_EXECUTABLE_SUFFIX) || defined(HAVE_OBJECT_SUFFIX)
+ argv[i] = convert_filename (argv[i], 1);
+ if (p[1] == 0)
+ argv[i+1] = convert_filename (argv[i+1], 1);
+#endif
+ goto normal_switch;
+
default:
+ normal_switch:
n_switches++;
if (SWITCH_TAKES_ARG (c) > (p[1] != 0))
}
}
else
- n_infiles++;
+ {
+ n_infiles++;
+ lang_n_infiles++;
+ }
}
+ if (have_c && have_o && lang_n_infiles > 1)
+ fatal ("cannot specify -o with -c and multiple compilations");
+
/* Set up the search paths before we go looking for config files. */
/* These come before the md prefixes so that we will find gcc's subcommands
/* Use 2 as fourth arg meaning try just the machine as a suffix,
as well as trying the machine and the version. */
#ifndef OS2
- add_prefix (&exec_prefixes, standard_exec_prefix, 0, 2, NULL_PTR);
- add_prefix (&exec_prefixes, standard_exec_prefix_1, 0, 2, NULL_PTR);
+ add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS",
+ 0, 2, warn_std_ptr);
+ add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS",
+ 0, 2, warn_std_ptr);
#endif
- add_prefix (&startfile_prefixes, standard_exec_prefix, 0, 1, NULL_PTR);
- add_prefix (&startfile_prefixes, standard_exec_prefix_1, 0, 1, NULL_PTR);
+ add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS",
+ 0, 1, warn_std_ptr);
+ add_prefix (&startfile_prefixes, standard_exec_prefix_1, "BINUTILS",
+ 0, 1, warn_std_ptr);
- tooldir_prefix = concat3 (tooldir_base_prefix, spec_machine,
- dir_separator_str);
+ tooldir_prefix = concat (tooldir_base_prefix, spec_machine,
+ dir_separator_str, NULL_PTR);
/* If tooldir is relative, base it on exec_prefixes. A relative
tooldir lets us move the installed tree as a unit.
if (gcc_exec_prefix)
{
char *gcc_exec_tooldir_prefix
- = concat6 (gcc_exec_prefix, spec_machine, dir_separator_str,
- spec_version, dir_separator_str, tooldir_prefix);
+ = concat (gcc_exec_prefix, spec_machine, dir_separator_str,
+ spec_version, dir_separator_str, tooldir_prefix, NULL_PTR);
add_prefix (&exec_prefixes,
- concat3 (gcc_exec_tooldir_prefix, "bin",
- dir_separator_str),
- 0, 0, NULL_PTR);
+ concat (gcc_exec_tooldir_prefix, "bin",
+ dir_separator_str, NULL_PTR),
+ NULL_PTR, 0, 0, NULL_PTR);
add_prefix (&startfile_prefixes,
- concat3 (gcc_exec_tooldir_prefix, "lib",
- dir_separator_str),
- 0, 0, NULL_PTR);
+ concat (gcc_exec_tooldir_prefix, "lib",
+ dir_separator_str, NULL_PTR),
+ NULL_PTR, 0, 0, NULL_PTR);
}
- tooldir_prefix = concat6 (standard_exec_prefix, spec_machine,
- dir_separator_str, spec_version,
- dir_separator_str, tooldir_prefix);
+ tooldir_prefix = concat (standard_exec_prefix, spec_machine,
+ dir_separator_str, spec_version,
+ dir_separator_str, tooldir_prefix, NULL_PTR);
}
add_prefix (&exec_prefixes,
- concat3 (tooldir_prefix, "bin", dir_separator_str),
- 0, 0, NULL_PTR);
+ concat (tooldir_prefix, "bin", dir_separator_str, NULL_PTR),
+ "BINUTILS", 0, 0, NULL_PTR);
add_prefix (&startfile_prefixes,
- concat3 (tooldir_prefix, "lib", dir_separator_str),
- 0, 0, NULL_PTR);
+ concat (tooldir_prefix, "lib", dir_separator_str, NULL_PTR),
+ "BINUTILS", 0, 0, NULL_PTR);
/* More prefixes are enabled in main, after we read the specs file
and determine whether this is cross-compilation or not. */
;
else if (! strncmp (argv[i], "-Wp,", 4))
;
+ else if (! strcmp (argv[i], "-print-search-dirs"))
+ ;
else if (! strcmp (argv[i], "-print-libgcc-file-name"))
;
else if (! strncmp (argv[i], "-print-file-name=", 17))
for (j = 4; argv[i][j]; j++)
if (argv[i][j] == ',')
{
- infiles[n_infiles].language = spec_lang;
+ infiles[n_infiles].language = 0;
infiles[n_infiles++].name
= save_string (argv[i] + prev, j - prev);
prev = j + 1;
}
/* Record the part after the last comma. */
- infiles[n_infiles].language = spec_lang;
+ infiles[n_infiles].language = 0;
infiles[n_infiles++].name = argv[i] + prev;
}
else if (strcmp (argv[i], "-Xlinker") == 0)
{
- infiles[n_infiles].language = spec_lang;
+ infiles[n_infiles].language = 0;
infiles[n_infiles++].name = argv[++i];
}
else if (strncmp (argv[i], "-l", 2) == 0)
{
- infiles[n_infiles].language = spec_lang;
+ infiles[n_infiles].language = 0;
infiles[n_infiles++].name = argv[i];
}
+ else if (strcmp (argv[i], "-specs") == 0)
+ i++;
+ else if (strncmp (argv[i], "-specs=", 7) == 0)
+ ;
+ /* -save-temps overrides -pipe, so that temp files are produced */
+ else if (save_temps_flag && strcmp (argv[i], "-pipe") == 0)
+ error ("Warning: -pipe ignored since -save-temps specified");
else if (argv[i][0] == '-' && argv[i][1] != 0)
{
register char *p = &argv[i][1];
register int c = *p;
- if (c == 'B' || c == 'b' || c == 'V')
- {
- /* Skip a separate arg, if any. */
- if (p[1] == 0)
- i++;
- continue;
- }
if (c == 'x')
{
if (p[1] == 0 && i + 1 == argc)
else
spec_lang = p + 1;
if (! strcmp (spec_lang, "none"))
- /* Suppress the warning if -xnone comes after the last input file,
- because alternate command interfaces like g++ might find it
- useful to place -xnone after each input file. */
+ /* Suppress the warning if -xnone comes after the last input
+ file, because alternate command interfaces like g++ might
+ find it useful to place -xnone after each input file. */
spec_lang = 0;
else
last_language_n_infiles = n_infiles;
/* Null-terminate the vector. */
switches[n_switches].args[j] = 0;
}
- else if (*switches_need_spaces != 0 && (c == 'o' || c == 'L'))
+ else if (index (switches_need_spaces, c))
{
- /* On some systems, ld cannot handle -o or -L without space.
- So split the -o or -L from its argument. */
- switches[n_switches].part1 = (c == 'o' ? "o" : "L");
+ /* On some systems, ld cannot handle some options without
+ a space. So split the option from its argument. */
+ char *part1 = (char *) xmalloc (2);
+ part1[0] = c;
+ part1[1] = '\0';
+
+ switches[n_switches].part1 = part1;
switches[n_switches].args = (char **) xmalloc (2 * sizeof (char *));
switches[n_switches].args[0] = xmalloc (strlen (p));
strcpy (switches[n_switches].args[0], &p[1]);
/* This is always valid, since gcc.c itself understands it. */
if (!strcmp (p, "save-temps"))
switches[n_switches].valid = 1;
+ else
+ {
+ char ch = switches[n_switches].part1[0];
+ if (ch == 'V' || ch == 'b' || ch == 'B')
+ switches[n_switches].valid = 1;
+ }
n_switches++;
}
else
{
+#ifdef HAVE_OBJECT_SUFFIX
+ argv[i] = convert_filename (argv[i], 0);
+#endif
+
if (strcmp (argv[i], "-") != 0 && access (argv[i], R_OK) < 0)
{
perror_with_name (argv[i]);
switches[n_switches].part1 = 0;
infiles[n_infiles].name = 0;
-
- /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */
- if (gcc_exec_prefix)
- {
- temp = (char *) xmalloc (strlen (gcc_exec_prefix) + strlen (spec_version)
- + strlen (spec_machine) + 3);
- strcpy (temp, gcc_exec_prefix);
- strcat (temp, spec_machine);
- strcat (temp, dir_separator_str);
- strcat (temp, spec_version);
- strcat (temp, dir_separator_str);
- gcc_exec_prefix = temp;
- }
}
\f
/* Process a spec string, accumulating and running commands. */
char *string;
int value;
- while (c = *p++)
+ while ((c = *p++))
/* If substituting a switch, treat all chars like letters.
Otherwise, NL, SPC, TAB and % are special. */
switch (inswitch ? 'a' : c)
if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|"))
{
- int i;
for (i = 0; i < n_switches; i++)
if (!strcmp (switches[i].part1, "pipe"))
break;
In 2.4, do something about that. */
struct temp_name *t;
char *suffix = p;
- while (*p == '.' || isalpha (*p))
+ while (*p == '.' || ISALPHA (*p)
+ || (p[0] == '%' && p[1] == 'O'))
p++;
/* See if we already have an association of %g/%u/%U and
t->length = p - suffix;
t->suffix = save_string (suffix, p - suffix);
t->unique = (c != 'g');
- choose_temp_base ();
+ temp_filename = choose_temp_base ();
+ temp_filename_length = strlen (temp_filename);
t->filename = temp_filename;
t->filename_length = temp_filename_length;
}
break;
case 'o':
- {
- register int f;
- for (f = 0; f < n_infiles; f++)
- store_arg (outfiles[f], 0, 0);
- }
+ for (i = 0; i < n_infiles; i++)
+ store_arg (outfiles[i], 0, 0);
break;
case 'O':
case 'W':
{
- int index = argbuf_index;
+ int cur_index = argbuf_index;
/* Handle the {...} following the %W. */
if (*p != '{')
abort ();
return -1;
/* If any args were output, mark the last one for deletion
on failure. */
- if (argbuf_index != index)
+ if (argbuf_index != cur_index)
record_temp_file (argbuf[argbuf_index - 1], 0, 1);
break;
}
*x++ = *y++;
if (*y != '_'
- || (*(y+1) != '_' && ! isupper (*(y+1))))
+ || (*(y+1) != '_' && ! ISUPPER (*(y+1))))
{
/* Stick __ at front of macro name. */
*x++ = '_';
y += 2;
if (*y != '_'
- || (*(y+1) != '_' && ! isupper (*(y+1))))
+ || (*(y+1) != '_' && ! ISUPPER (*(y+1))))
{
/* Stick -D__ at front of macro name. */
*x++ = '-';
int len;
/* The string after the S/P is the name of a spec that is to be
- processed. */
+ processed. */
while (*p && *p != ')' && *p != ']')
p++;
/* See if it's in the list */
for (len = p - name, sl = specs; sl; sl = sl->next)
- if (strncmp (sl->name, name, len) == 0 && !sl->name[len])
+ if (sl->name_len == len && !strncmp (sl->name, name, len))
{
- name = sl->spec;
+ name = *(sl->ptr_spec);
+#ifdef DEBUG_SPECS
+ fprintf (stderr, "Processing spec %c%s%c, which is '%s'\n",
+ c, sl->name, (c == '(') ? ')' : ']', name);
+#endif
break;
}
every -D and at the end of each arg, */
while (1)
{
+ int flag;
+
if (! strncmp (y, "-D", 2))
{
*x++ = '-';
*x++ = '_';
*x++ = '_';
y += 2;
+ flag = 1;
+ continue;
}
- else if (*y == ' ' || *y == 0)
+ else if (flag && (*y == ' ' || *y == '\t' || *y == '='
+ || *y == '}' || *y == 0))
{
*x++ = '_';
*x++ = '_';
- if (*y == 0)
- break;
- else
- *x++ = *y++;
+ flag = 0;
}
+ if (*y == 0)
+ break;
else
*x++ = *y++;
}
{
int c1 = *p++; /* Select first or second version number. */
char *v = compiler_version;
- char *q, *copy;
+ char *q;
+
+ /* The format of the version string is
+ ([^0-9]*-)?[0-9]+[.][0-9]+([.][0-9]+)?([- ].*)? */
+
+ /* Ignore leading non-digits. i.e. "foo-" in "foo-2.7.2". */
+ while (! ISDIGIT (*v))
+ v++;
+ if (v > compiler_version && v[-1] != '-')
+ abort ();
+
/* If desired, advance to second version number. */
if (c1 == '2')
{
- /* Set P after the first period. */
- while (*v != 0 && *v != ' ' && *v != '.')
- v++;
- if (*v == '.')
+ /* Set V after the first period. */
+ while (ISDIGIT (*v))
v++;
+ if (*v != '.')
+ abort ();
+ v++;
}
+
/* Set Q at the next period or at the end. */
q = v;
- while (*q != 0 && *q != ' ' && *q != '.')
+ while (ISDIGIT (*q))
q++;
- /* Empty string means zero. */
- if (p == q)
- {
- v = "0";
- q = v + 1;
- }
+ if (*q != 0 && *q != ' ' && *q != '.' && *q != '-')
+ abort ();
+
/* Put that part into the command. */
obstack_grow (&obstack, v, q - v);
arg_going = 1;
{
register char *q;
char *filter;
- int pipe = 0;
+ int pipe_p = 0;
int negate = 0;
int suffix = 0;
+ int include_blanks = 1;
+
+ if (*p == '^')
+ /* A '^' after the open-brace means to not give blanks before args. */
+ include_blanks = 0, ++p;
if (*p == '|')
/* A `|' after the open-brace means,
if the test fails, output a single minus sign rather than nothing.
This is used in %{|!pipe:...}. */
- pipe = 1, ++p;
+ pipe_p = 1, ++p;
if (*p == '!')
/* A `!' after the open-brace negates the condition:
if (*p == '.')
/* A `.' after the open-brace means test against the current suffix. */
{
- if (pipe)
+ if (pipe_p)
abort ();
suffix = 1;
for (i = 0; i < n_switches; i++)
if (!strncmp (switches[i].part1, filter, p - filter)
&& check_live_switch (i, p - filter))
- give_switch (i, 0);
+ give_switch (i, 0, include_blanks);
}
else
{
{
do_spec_1 (string, 0, &switches[i].part1[hard_match_len]);
/* Pass any arguments this switch has. */
- give_switch (i, 1);
+ give_switch (i, 1, 1);
}
return q;
{
if (*p == '}')
{
- give_switch (i, 0);
+ give_switch (i, 0, include_blanks);
}
else
{
return 0;
}
}
- else if (pipe)
+ else if (pipe_p)
{
/* Here if a %{|...} conditional fails: output a minus sign,
which means "standard output" or "standard input". */
case 'W': case 'f': case 'm':
if (! strncmp (name + 1, "no-", 3))
{
- /* We have Xno-YYY, search for XYYY. */
+ /* We have Xno-YYY, search for XYYY. */
for (i = switchnum + 1; i < n_switches; i++)
if (switches[i].part1[0] == name[0]
&& ! strcmp (&switches[i].part1[1], &name[4]))
the vector of switches gcc received, which is `switches'.
This cannot fail since it never finishes a command line.
- If OMIT_FIRST_WORD is nonzero, then we omit .part1 of the argument. */
+ If OMIT_FIRST_WORD is nonzero, then we omit .part1 of the argument.
+
+ If INCLUDE_BLANKS is nonzero, then we include blanks before each argument
+ of the switch. */
static void
-give_switch (switchnum, omit_first_word)
+give_switch (switchnum, omit_first_word, include_blanks)
int switchnum;
int omit_first_word;
+ int include_blanks;
{
if (!omit_first_word)
{
do_spec_1 ("-", 0, NULL_PTR);
do_spec_1 (switches[switchnum].part1, 1, NULL_PTR);
}
- do_spec_1 (" ", 0, NULL_PTR);
+
if (switches[switchnum].args != 0)
{
char **p;
for (p = switches[switchnum].args; *p; p++)
{
+ if (include_blanks)
+ do_spec_1 (" ", 0, NULL_PTR);
do_spec_1 (*p, 1, NULL_PTR);
- do_spec_1 (" ", 0, NULL_PTR);
}
}
+
+ do_spec_1 (" ", 0, NULL_PTR);
switches[switchnum].valid = 1;
}
\f
/* Exclude directories that the linker is known to search. */
if (linker
&& ((cp - path == 6
- && strcmp (path, concat4 (dir_separator_str, "lib",
- dir_separator_str, ".")) == 0)
+ && strcmp (path, concat (dir_separator_str, "lib",
+ dir_separator_str, ".", NULL_PTR)) == 0)
|| (cp - path == 10
- && strcmp (path, concat6 (dir_separator_str, "usr",
- dir_separator_str, "lib",
- dir_separator_str, ".")) == 0)))
+ && strcmp (path, concat (dir_separator_str, "usr",
+ dir_separator_str, "lib",
+ dir_separator_str, ".", NULL_PTR)) == 0)))
return 0;
return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode));
char *explicit_link_files;
char *specs_file;
char *p;
+ struct user_specs *uptr;
p = argv[0] + strlen (argv[0]);
while (p != argv[0] && p[-1] != '/' && p[-1] != DIR_SEPARATOR) --p;
obstack_init (&obstack);
+ /* Build multilib_select, et. al from the separate lines that make up each
+ multilib selection. */
+ {
+ char **q = multilib_raw;
+ int need_space;
+
+ obstack_init (&multilib_obstack);
+ while ((p = *q++) != (char *) 0)
+ obstack_grow (&multilib_obstack, p, strlen (p));
+
+ obstack_1grow (&multilib_obstack, 0);
+ multilib_select = obstack_finish (&multilib_obstack);
+
+ q = multilib_matches_raw;
+ while ((p = *q++) != (char *) 0)
+ obstack_grow (&multilib_obstack, p, strlen (p));
+
+ obstack_1grow (&multilib_obstack, 0);
+ multilib_matches = obstack_finish (&multilib_obstack);
+
+ need_space = FALSE;
+ for (i = 0;
+ i < sizeof (multilib_defaults_raw) / sizeof (multilib_defaults_raw[0]);
+ i++)
+ {
+ if (need_space)
+ obstack_1grow (&multilib_obstack, ' ');
+ obstack_grow (&multilib_obstack,
+ multilib_defaults_raw[i],
+ strlen (multilib_defaults_raw[i]));
+ need_space = TRUE;
+ }
+
+ obstack_1grow (&multilib_obstack, 0);
+ multilib_defaults = obstack_finish (&multilib_obstack);
+ }
+
/* Set up to remember the pathname of gcc and any options
needed for collect. We use argv[0] instead of programname because
we need the complete pathname. */
obstack_grow (&collect_obstack, argv[0], strlen (argv[0])+1);
putenv (obstack_finish (&collect_obstack));
+#ifdef INIT_ENVIRONMENT
+ /* Set up any other necessary machine specific environment variables. */
+ putenv (INIT_ENVIRONMENT);
+#endif
+
/* Choose directory for temp files. */
- choose_temp_base ();
+ temp_filename = choose_temp_base ();
+ temp_filename_length = strlen (temp_filename);
/* Make a table of what switches there are (switches, n_switches).
Make a table of specified input files (infiles, n_infiles).
process_command (argc, argv);
+ {
+ int i;
+ int first_time;
+
+ /* Build COLLECT_GCC_OPTIONS to have all of the options specified to
+ the compiler. */
+ obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=",
+ sizeof ("COLLECT_GCC_OPTIONS=")-1);
+
+ first_time = TRUE;
+ for (i = 0; i < n_switches; i++)
+ {
+ char **args;
+ char *p, *q;
+ if (!first_time)
+ obstack_grow (&collect_obstack, " ", 1);
+
+ first_time = FALSE;
+ obstack_grow (&collect_obstack, "'-", 2);
+ q = switches[i].part1;
+ while ((p = (char *) index (q,'\'')))
+ {
+ obstack_grow (&collect_obstack, q, p-q);
+ obstack_grow (&collect_obstack, "'\\''", 4);
+ q = ++p;
+ }
+ obstack_grow (&collect_obstack, q, strlen (q));
+ obstack_grow (&collect_obstack, "'", 1);
+
+ for (args = switches[i].args; args && *args; args++)
+ {
+ obstack_grow (&collect_obstack, " '", 2);
+ q = *args;
+ while ((p = (char *) index (q,'\'')))
+ {
+ obstack_grow (&collect_obstack, q, p-q);
+ obstack_grow (&collect_obstack, "'\\''", 4);
+ q = ++p;
+ }
+ obstack_grow (&collect_obstack, q, strlen (q));
+ obstack_grow (&collect_obstack, "'", 1);
+ }
+ }
+ obstack_grow (&collect_obstack, "\0", 1);
+ putenv (obstack_finish (&collect_obstack));
+ }
+
/* Initialize the vector of specs to just the default.
This means one element containing 0s, as a terminator. */
/* Read specs from a file if there is one. */
- machine_suffix = concat4 (spec_machine, dir_separator_str,
- spec_version, dir_separator_str);
- just_machine_suffix = concat (spec_machine, dir_separator_str);
+ machine_suffix = concat (spec_machine, dir_separator_str,
+ spec_version, dir_separator_str, NULL_PTR);
+ just_machine_suffix = concat (spec_machine, dir_separator_str, NULL_PTR);
specs_file = find_a_file (&startfile_prefixes, "specs", R_OK);
/* Read the specs file unless it is a default one. */
if (specs_file != 0 && strcmp (specs_file, "specs"))
- read_specs (specs_file);
+ read_specs (specs_file, TRUE);
+ else
+ init_spec ();
+
+ /* We need to check standard_exec_prefix/just_machine_suffix/specs
+ for any override of as, ld and libraries. */
+ specs_file = (char *) alloca (strlen (standard_exec_prefix)
+ + strlen (just_machine_suffix)
+ + sizeof ("specs"));
+
+ strcpy (specs_file, standard_exec_prefix);
+ strcat (specs_file, just_machine_suffix);
+ strcat (specs_file, "specs");
+ if (access (specs_file, R_OK) == 0)
+ read_specs (specs_file, TRUE);
+
+ /* Process any user specified specs in the order given on the command
+ line. */
+ for (uptr = user_specs_head; uptr; uptr = uptr->next)
+ {
+ char *filename = find_a_file (&startfile_prefixes, uptr->filename, R_OK);
+ read_specs (filename ? filename : uptr->filename, FALSE);
+ }
/* If not cross-compiling, look for startfiles in the standard places. */
/* The fact that these are done here, after reading the specs file,
means that it cannot be found in these directories.
But that's okay. It should never be there anyway. */
- if (!cross_compile)
+ if (*cross_compile == '0')
{
#ifdef MD_EXEC_PREFIX
- add_prefix (&exec_prefixes, md_exec_prefix, 0, 0, NULL_PTR);
- add_prefix (&startfile_prefixes, md_exec_prefix, 0, 0, NULL_PTR);
+ add_prefix (&exec_prefixes, md_exec_prefix, "GCC", 0, 0, NULL_PTR);
+ add_prefix (&startfile_prefixes, md_exec_prefix, "GCC", 0, 0, NULL_PTR);
#endif
#ifdef MD_STARTFILE_PREFIX
- add_prefix (&startfile_prefixes, md_startfile_prefix, 0, 0, NULL_PTR);
+ add_prefix (&startfile_prefixes, md_startfile_prefix, "GCC",
+ 0, 0, NULL_PTR);
#endif
#ifdef MD_STARTFILE_PREFIX_1
- add_prefix (&startfile_prefixes, md_startfile_prefix_1, 0, 0, NULL_PTR);
+ add_prefix (&startfile_prefixes, md_startfile_prefix_1, "GCC",
+ 0, 0, NULL_PTR);
#endif
/* If standard_startfile_prefix is relative, base it on
standard_startfile_prefix on that as well. */
if (*standard_startfile_prefix == '/'
|| *standard_startfile_prefix == DIR_SEPARATOR)
- add_prefix (&startfile_prefixes, standard_startfile_prefix, 0, 0,
- NULL_PTR);
+ add_prefix (&startfile_prefixes, standard_startfile_prefix, "BINUTILS",
+ 0, 0, NULL_PTR);
else
{
if (gcc_exec_prefix)
add_prefix (&startfile_prefixes,
- concat (gcc_exec_prefix, standard_startfile_prefix),
- 0, 0, NULL_PTR);
+ concat (gcc_exec_prefix, machine_suffix,
+ standard_startfile_prefix, NULL_PTR),
+ NULL_PTR, 0, 0, NULL_PTR);
add_prefix (&startfile_prefixes,
- concat3 (standard_exec_prefix,
- machine_suffix,
- standard_startfile_prefix),
- 0, 0, NULL_PTR);
+ concat (standard_exec_prefix,
+ machine_suffix,
+ standard_startfile_prefix, NULL_PTR),
+ NULL_PTR, 0, 0, NULL_PTR);
}
- add_prefix (&startfile_prefixes, standard_startfile_prefix_1, 0, 0,
- NULL_PTR);
- add_prefix (&startfile_prefixes, standard_startfile_prefix_2, 0, 0,
- NULL_PTR);
+ add_prefix (&startfile_prefixes, standard_startfile_prefix_1,
+ "BINUTILS", 0, 0, NULL_PTR);
+ add_prefix (&startfile_prefixes, standard_startfile_prefix_2,
+ "BINUTILS", 0, 0, NULL_PTR);
#if 0 /* Can cause surprises, and one can use -B./ instead. */
- add_prefix (&startfile_prefixes, "./", 0, 1, NULL_PTR);
+ add_prefix (&startfile_prefixes, "./", NULL_PTR, 0, 1, NULL_PTR);
#endif
}
+ else
+ {
+ if (*standard_startfile_prefix != DIR_SEPARATOR && gcc_exec_prefix)
+ add_prefix (&startfile_prefixes,
+ concat (gcc_exec_prefix, machine_suffix,
+ standard_startfile_prefix, NULL_PTR),
+ "BINUTILS", 0, 0, NULL_PTR);
+ }
+
+ /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake. */
+ if (gcc_exec_prefix)
+ {
+ char * temp = (char *) xmalloc (strlen (gcc_exec_prefix)
+ + strlen (spec_version)
+ + strlen (spec_machine) + 3);
+ strcpy (temp, gcc_exec_prefix);
+ strcat (temp, spec_machine);
+ strcat (temp, dir_separator_str);
+ strcat (temp, spec_version);
+ strcat (temp, dir_separator_str);
+ gcc_exec_prefix = temp;
+ }
/* Now we have the specs.
Set the `valid' bits for switches that match anything in any spec. */
/* Obey some of the options. */
+ if (print_search_dirs)
+ {
+ printf ("install: %s%s\n", standard_exec_prefix, machine_suffix);
+ printf ("programs: %s\n", build_search_list (&exec_prefixes, "", 0));
+ printf ("libraries: %s\n", build_search_list (&startfile_prefixes, "", 0));
+ exit (0);
+ }
+
if (print_file_name)
{
printf ("%s\n", find_file (print_file_name));
if (verbose_flag)
{
- if (! strcmp (version_string, compiler_version))
+ int n;
+
+ /* compiler_version is truncated at the first space when initialized
+ from version string, so truncate version_string at the first space
+ before comparing. */
+ for (n = 0; version_string[n]; n++)
+ if (version_string[n] == ' ')
+ break;
+
+ if (! strncmp (version_string, compiler_version, n)
+ && compiler_version[n] == 0)
fprintf (stderr, "gcc version %s\n", version_string);
else
fprintf (stderr, "gcc driver version %s executing gcc version %s\n",
register char *p;
int len;
+ if (cp->spec[0][0] == '#')
+ error ("%s: %s compiler not installed on this system",
+ input_filename, &cp->spec[0][1]);
+
input_basename = input_filename;
for (p = input_filename; *p; p++)
if (*p == '/' || *p == DIR_SEPARATOR)
if (error_count == 0)
{
int tmp = execution_count;
- int i;
- int first_time;
/* Rebuild the COMPILER_PATH and LIBRARY_PATH environment variables
for collect. */
putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH=");
putenv_from_prefixes (&startfile_prefixes, "LIBRARY_PATH=");
- /* Build COLLECT_GCC_OPTIONS to have all of the options specified to
- the compiler. */
- obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=",
- sizeof ("COLLECT_GCC_OPTIONS=")-1);
-
- first_time = TRUE;
- for (i = 0; i < n_switches; i++)
- {
- char **args;
- if (!first_time)
- obstack_grow (&collect_obstack, " ", 1);
-
- first_time = FALSE;
- obstack_grow (&collect_obstack, "-", 1);
- obstack_grow (&collect_obstack, switches[i].part1,
- strlen (switches[i].part1));
-
- for (args = switches[i].args; args && *args; args++)
- {
- obstack_grow (&collect_obstack, " ", 1);
- obstack_grow (&collect_obstack, *args, strlen (*args));
- }
- }
- obstack_grow (&collect_obstack, "\0", 1);
- putenv (obstack_finish (&collect_obstack));
-
value = do_spec (link_command_spec);
if (value < 0)
error_count = 1;
return value;
}
-/* Return a newly-allocated string whose contents concatenate those of s1, s2 */
+/* This function is based on the one in libiberty. */
static char *
-concat (s1, s2)
- char *s1, *s2;
+concat VPROTO((char *first, ...))
{
- int len1 = strlen (s1);
- int len2 = strlen (s2);
- char *result = xmalloc (len1 + len2 + 1);
+ register int length;
+ register char *newstr;
+ register char *end;
+ register char *arg;
+ va_list args;
+#ifndef __STDC__
+ char *first;
+#endif
- strcpy (result, s1);
- strcpy (result + len1, s2);
- *(result + len1 + len2) = 0;
+ /* First compute the size of the result and get sufficient memory. */
- return result;
-}
+ VA_START (args, first);
+#ifndef __STDC__
+ first = va_arg (args, char *);
+#endif
-static char *
-concat3 (s1, s2, s3)
- char *s1, *s2, *s3;
-{
- return concat (concat (s1, s2), s3);
-}
+ arg = first;
+ length = 0;
-static char *
-concat4 (s1, s2, s3, s4)
- char *s1, *s2, *s3, *s4;
-{
- return concat (concat (s1, s2), concat (s3, s4));
-}
+ while (arg != 0)
+ {
+ length += strlen (arg);
+ arg = va_arg (args, char *);
+ }
-static char *
-concat6 (s1, s2, s3, s4, s5, s6)
- char *s1, *s2, *s3, *s4, *s5, *s6;
-{
- return concat3 (concat (s1, s2), concat (s3, s4), concat (s5, s6));
+ newstr = (char *) xmalloc (length + 1);
+ va_end (args);
+
+ /* Now copy the individual pieces to the result string. */
+
+ VA_START (args, first);
+#ifndef __STDC__
+ first = va_arg (args, char *);
+#endif
+
+ end = newstr;
+ arg = first;
+ while (arg != 0)
+ {
+ while (*arg)
+ *end++ = *arg++;
+ arg = va_arg (args, char *);
+ }
+ *end = '\000';
+ va_end (args);
+
+ return (newstr);
}
static char *
pfatal_with_name (name)
char *name;
{
- char *s;
-
- if (errno < sys_nerr)
- s = concat ("%s: ", sys_errlist[errno]);
- else
- s = "cannot open %s";
- fatal (s, name);
+ fatal ("%s: %s", name, my_strerror (errno));
}
static void
perror_with_name (name)
char *name;
{
- char *s;
-
- if (errno < sys_nerr)
- s = concat ("%s: ", sys_errlist[errno]);
- else
- s = "cannot open %s";
- error (s, name);
+ error ("%s: %s", name, my_strerror (errno));
}
static void
-perror_exec (name)
- char *name;
+pfatal_pexecute (errmsg_fmt, errmsg_arg)
+ char *errmsg_fmt;
+ char *errmsg_arg;
{
- char *s;
+ if (errmsg_arg)
+ {
+ /* Space for trailing '\0' is in %s. */
+ char *msg = xmalloc (strlen (errmsg_fmt) + strlen (errmsg_arg));
+ sprintf (msg, errmsg_fmt, errmsg_arg);
+ errmsg_fmt = msg;
+ }
- if (errno < sys_nerr)
- s = concat ("installation problem, cannot exec %s: ", sys_errlist[errno]);
- else
- s = "installation problem, cannot exec %s";
- error (s, name);
+ fatal ("%s: %s", errmsg_fmt, my_strerror (errno));
}
/* More 'friendly' abort that prints the line and file.
VA_START (ap, format);
#ifndef __STDC__
- format = va_arg (ap, char*);
+ format = va_arg (ap, char *);
#endif
fprintf (stderr, "%s: ", programname);
VA_START (ap, format);
#ifndef __STDC__
- format = va_arg (ap, char*);
+ format = va_arg (ap, char *);
#endif
fprintf (stderr, "%s: ", programname);
for (i = 0; i < sizeof comp->spec / sizeof comp->spec[0] && comp->spec[i]; i++)
{
p = comp->spec[i];
- while (c = *p++)
+ while ((c = *p++))
if (c == '%' && *p == '{')
/* We have a switch spec. */
validate_switches (p + 1);
}
}
- /* look through the linked list of extra specs read from the specs file */
+ /* look through the linked list of specs read from the specs file */
for (spec = specs; spec ; spec = spec->next)
{
- p = spec->spec;
- while (c = *p++)
+ p = *(spec->ptr_spec);
+ while ((c = *p++))
if (c == '%' && *p == '{')
/* We have a switch spec. */
validate_switches (p + 1);
}
p = link_command_spec;
- while (c = *p++)
- if (c == '%' && *p == '{')
- /* We have a switch spec. */
- validate_switches (p + 1);
-
- /* Now notice switches mentioned in the machine-specific specs. */
-
- p = asm_spec;
- while (c = *p++)
- if (c == '%' && *p == '{')
- /* We have a switch spec. */
- validate_switches (p + 1);
-
- p = asm_final_spec;
- while (c = *p++)
- if (c == '%' && *p == '{')
- /* We have a switch spec. */
- validate_switches (p + 1);
-
- p = cpp_spec;
- while (c = *p++)
- if (c == '%' && *p == '{')
- /* We have a switch spec. */
- validate_switches (p + 1);
-
- p = signed_char_spec;
- while (c = *p++)
- if (c == '%' && *p == '{')
- /* We have a switch spec. */
- validate_switches (p + 1);
-
- p = cc1_spec;
- while (c = *p++)
- if (c == '%' && *p == '{')
- /* We have a switch spec. */
- validate_switches (p + 1);
-
- p = cc1plus_spec;
- while (c = *p++)
- if (c == '%' && *p == '{')
- /* We have a switch spec. */
- validate_switches (p + 1);
-
- p = link_spec;
- while (c = *p++)
- if (c == '%' && *p == '{')
- /* We have a switch spec. */
- validate_switches (p + 1);
-
- p = lib_spec;
- while (c = *p++)
- if (c == '%' && *p == '{')
- /* We have a switch spec. */
- validate_switches (p + 1);
-
- p = libgcc_spec;
- while (c = *p++)
- if (c == '%' && *p == '{')
- /* We have a switch spec. */
- validate_switches (p + 1);
-
- p = startfile_spec;
- while (c = *p++)
+ while ((c = *p++))
if (c == '%' && *p == '{')
/* We have a switch spec. */
validate_switches (p + 1);
}
}
\f
-/* Check whether a particular argument was used. */
+/* Check whether a particular argument was used. The first time we
+ canonicalize the switches to keep only the ones we care about. */
static int
used_arg (p, len)
char *p;
int len;
{
- int i;
+ struct mswitchstr {
+ char *str;
+ char *replace;
+ int len;
+ int rep_len;
+ };
+
+ static struct mswitchstr *mswitches;
+ static int n_mswitches;
+ int i, j;
+
+ if (!mswitches)
+ {
+ struct mswitchstr *matches;
+ char *q;
+ int cnt = 0;
+
+ /* Break multilib_matches into the component strings of string and replacement
+ string */
+ for (q = multilib_matches; *q != '\0'; q++)
+ if (*q == ';')
+ cnt++;
+
+ matches = (struct mswitchstr *) alloca ((sizeof (struct mswitchstr)) * cnt);
+ i = 0;
+ q = multilib_matches;
+ while (*q != '\0')
+ {
+ matches[i].str = q;
+ while (*q != ' ')
+ {
+ if (*q == '\0')
+ abort ();
+ q++;
+ }
+ *q = '\0';
+ matches[i].len = q - matches[i].str;
- for (i = 0; i < n_switches; i++)
- if (! strncmp (switches[i].part1, p, len)
- && strlen (switches[i].part1) == len)
+ matches[i].replace = ++q;
+ while (*q != ';' && *q != '\0')
+ {
+ if (*q == ' ')
+ abort ();
+ q++;
+ }
+ matches[i].rep_len = q - matches[i].replace;
+ i++;
+ if (*q == ';')
+ *q++ = '\0';
+ else
+ break;
+ }
+
+ /* Now build a list of the replacement string for switches that we care
+ about. Make sure we allocate at least one entry. This prevents
+ xmalloc from calling fatal, and prevents us from re-executing this
+ block of code. */
+ mswitches
+ = (struct mswitchstr *) xmalloc ((sizeof (struct mswitchstr))
+ * (n_switches ? n_switches : 1));
+ for (i = 0; i < n_switches; i++)
+ {
+ int xlen = strlen (switches[i].part1);
+ for (j = 0; j < cnt; j++)
+ if (xlen == matches[j].len && ! strcmp (switches[i].part1, matches[j].str))
+ {
+ mswitches[n_mswitches].str = matches[j].replace;
+ mswitches[n_mswitches].len = matches[j].rep_len;
+ mswitches[n_mswitches].replace = (char *)0;
+ mswitches[n_mswitches].rep_len = 0;
+ n_mswitches++;
+ break;
+ }
+ }
+ }
+
+ for (i = 0; i < n_mswitches; i++)
+ if (len == mswitches[i].len && ! strncmp (p, mswitches[i].str, len))
return 1;
+
+ return 0;
+}
+
+static int
+default_arg (p, len)
+ char *p;
+ int len;
+{
+ char *start, *end;
+
+ for (start = multilib_defaults; *start != '\0'; start = end+1)
+ {
+ while (*start == ' ' || *start == '\t')
+ start++;
+
+ if (*start == '\0')
+ break;
+
+ for (end = start+1; *end != ' ' && *end != '\t' && *end != '\0'; end++)
+ ;
+
+ if ((end - start) == len && strncmp (p, start, len) == 0)
+ return 1;
+ }
+
return 0;
}
char *p = multilib_select;
int this_path_len;
char *this_path, *this_arg;
- int failed;
+ int not_arg;
+ int ok;
while (*p != '\0')
{
this_path_len = p - this_path;
/* Check the arguments. */
- failed = 0;
+ ok = 1;
++p;
while (*p != ';')
{
if (*p == '\0')
abort ();
- if (failed)
+ if (! ok)
{
++p;
continue;
++p;
}
- if (*this_arg == '!')
- failed = used_arg (this_arg + 1, p - (this_arg + 1));
+ if (*this_arg != '!')
+ not_arg = 0;
else
- failed = ! used_arg (this_arg, p - this_arg);
+ {
+ not_arg = 1;
+ ++this_arg;
+ }
+
+ /* If this is a default argument, we can just ignore it.
+ This is true even if this_arg begins with '!'. Beginning
+ with '!' does not mean that this argument is necessarily
+ inappropriate for this library: it merely means that
+ there is a more specific library which uses this
+ argument. If this argument is a default, we need not
+ consider that more specific library. */
+ if (! default_arg (this_arg, p - this_arg))
+ {
+ ok = used_arg (this_arg, p - this_arg);
+ if (not_arg)
+ ok = ! ok;
+ }
if (*p == ' ')
++p;
}
- if (! failed)
+ if (ok)
{
if (this_path_len != 1
|| this_path[0] != '.')
print_multilib_info ()
{
char *p = multilib_select;
- char *last_path, *this_path;
- int skip, use_arg;
+ char *last_path = 0, *this_path;
+ int skip;
int last_path_len = 0;
while (*p != '\0')
}
/* If this is a duplicate, skip it. */
- skip = (p - this_path == last_path_len
+ skip = (last_path != 0 && p - this_path == last_path_len
&& ! strncmp (last_path, this_path, last_path_len));
last_path = this_path;
last_path_len = p - this_path;
+ /* If this directory requires any default arguments, we can skip
+ it. We will already have printed a directory identical to
+ this one which does not require that default argument. */
+ if (! skip)
+ {
+ char *q;
+
+ q = p + 1;
+ while (*q != ';')
+ {
+ char *arg;
+
+ if (*q == '\0')
+ abort ();
+
+ if (*q == '!')
+ arg = NULL;
+ else
+ arg = q;
+
+ while (*q != ' ' && *q != ';')
+ {
+ if (*q == '\0')
+ abort ();
+ ++q;
+ }
+
+ if (arg != NULL
+ && default_arg (arg, q - arg))
+ {
+ skip = 1;
+ break;
+ }
+
+ if (*q == ' ')
+ ++q;
+ }
+ }
+
if (! skip)
{
char *p1;
}
if (! skip)
- putchar ('\n');
+ {
+ /* If there are extra options, print them now */
+ if (multilib_extra && *multilib_extra)
+ {
+ int print_at = TRUE;
+ char *q;
+
+ for (q = multilib_extra; *q != '\0'; q++)
+ {
+ if (*q == ' ')
+ print_at = TRUE;
+ else
+ {
+ if (print_at)
+ putchar ('@');
+ putchar (*q);
+ print_at = FALSE;
+ }
+ }
+ }
+ putchar ('\n');
+ }
++p;
}
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