/* Compiler driver program that can handle many languages.
Copyright (C) 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of GCC.
#include "config.h"
#include "system.h"
#include "coretypes.h"
+#include "multilib.h" /* before tm.h */
#include "tm.h"
#include <signal.h>
#if ! defined( SIGCHLD ) && defined( SIGCLD )
static void add_preprocessor_option (const char *, int);
static void add_assembler_option (const char *, int);
static void add_linker_option (const char *, int);
-static void process_command (int, const char *const *);
+static void process_command (int, const char **);
static int execute (void);
static void alloc_args (void);
static void clear_args (void);
static void fatal_error (int);
-#ifdef ENABLE_SHARED_LIBGCC
+#if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC)
static void init_gcc_specs (struct obstack *, const char *, const char *,
const char *);
#endif
/* config.h can define LIBGCC_SPEC to override how and when libgcc.a is
included. */
#ifndef LIBGCC_SPEC
-#if defined(LINK_LIBGCC_SPECIAL) || defined(LINK_LIBGCC_SPECIAL_1)
+#if defined(REAL_LIBGCC_SPEC)
+#define LIBGCC_SPEC REAL_LIBGCC_SPEC
+#elif defined(LINK_LIBGCC_SPECIAL) || defined(LINK_LIBGCC_SPECIAL_1)
/* Have gcc do the search for libgcc.a. */
#define LIBGCC_SPEC "libgcc.a%s"
#else
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
%(linker) %l " LINK_PIE_SPEC "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\
%{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
- %{static:} %{L*} %(link_libgcc) %o %{fprofile-arcs:-lgcov}\
+ %{static:} %{L*} %(link_libgcc) %o %{fprofile-arcs|fprofile-generate:-lgcov}\
%{!nostdlib:%{!nodefaultlibs:%(link_gcc_c_sequence)}}\
%{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}"
#endif
file that happens to exist is up-to-date. */
static const char *cpp_unique_options =
"%{C|CC:%{!E:%eGCC does not support -C or -CC without -E}}\
- %{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*} %{P} %I\
+ %{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*&F*} %{P} %I\
%{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\
%{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\
%{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\
in turn cause preprocessor symbols to be defined specially. */
static const char *cpp_options =
"%(cpp_unique_options) %1 %{m*} %{std*} %{ansi} %{W*&pedantic*} %{w} %{f*}\
- %{O*} %{undef}";
+ %{g*:%{!g0:%{!fno-working-directory:-fworking-directory}}} %{O*} %{undef}";
/* This contains cpp options which are not passed when the preprocessor
output will be used by another program. */
static const char *multilib_matches;
static const char *multilib_defaults;
static const char *multilib_exclusions;
-#include "multilib.h"
/* Check whether a particular argument is a default argument. */
{"--static", "-static", 0},
{"--std", "-std=", "aj"},
{"--symbolic", "-symbolic", 0},
- {"--target", "-b", "a"},
{"--time", "-time", 0},
{"--trace-includes", "-H", 0},
{"--traditional", "-traditional", 0},
{"--traditional-cpp", "-traditional-cpp", 0},
{"--trigraphs", "-trigraphs", 0},
{"--undefine-macro", "-U", "aj"},
- {"--use-version", "-V", "a"},
{"--user-dependencies", "-MM", 0},
{"--verbose", "-v", 0},
{"--warn-", "-W", "*j"},
static const char *gcc_exec_prefix;
+/* Adjusted value of standard_libexec_prefix. */
+
+static const char *gcc_libexec_prefix;
+
/* Default prefixes to attach to command names. */
#ifdef CROSS_COMPILE /* Don't use these prefixes for a cross compiler. */
#define MD_STARTFILE_PREFIX_1 ""
#endif
-/* Supply defaults for the standard prefixes. */
-
-#ifndef STANDARD_EXEC_PREFIX
-#define STANDARD_EXEC_PREFIX "/usr/local/lib/gcc-lib/"
-#endif
-#ifndef STANDARD_STARTFILE_PREFIX
-#define STANDARD_STARTFILE_PREFIX "/usr/local/lib/"
-#endif
-#ifndef TOOLDIR_BASE_PREFIX
-#define TOOLDIR_BASE_PREFIX "/usr/local/"
-#endif
-#ifndef STANDARD_BINDIR_PREFIX
-#define STANDARD_BINDIR_PREFIX "/usr/local/bin"
-#endif
-
static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX;
-static const char *const standard_exec_prefix_1 = "/usr/lib/gcc/";
+static const char *const standard_exec_prefix_1 = "/usr/libexec/gcc/";
+static const char *const standard_exec_prefix_2 = "/usr/lib/gcc/";
static const char *md_exec_prefix = MD_EXEC_PREFIX;
static const char *md_startfile_prefix = MD_STARTFILE_PREFIX;
static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX;
+static const char *standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX;
+
/* Subdirectory to use for locating libraries. Set by
set_multilib_dir based on the compilation options. */
/* Add appropriate libgcc specs to OBSTACK, taking into account
various permutations of -shared-libgcc, -shared, and such. */
-#ifdef ENABLE_SHARED_LIBGCC
+#if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC)
static void
init_gcc_specs (struct obstack *obstack, const char *shared_name,
const char *static_name, const char *eh_name)
next = sl;
}
-#ifdef ENABLE_SHARED_LIBGCC
+#if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC)
/* ??? If neither -shared-libgcc nor --static-libgcc was
seen, then we should be making an educated guess. Some proposed
heuristics for ELF include:
#else
"-lgcc_s%M"
#endif
+ ,
+ "-lgcc",
+ "-lgcc_eh"
#ifdef USE_LIBUNWIND_EXCEPTIONS
" -lunwind"
#endif
- ,
- "-lgcc",
- "-lgcc_eh");
+ );
+
p += 5;
in_sep = 0;
}
#endif
,
"libgcc.a%s",
- "libgcc_eh.a%s");
+ "libgcc_eh.a%s"
+#ifdef USE_LIBUNWIND_EXCEPTIONS
+ " -lunwind"
+#endif
+ );
p += 10;
in_sep = 0;
}
}
fflush (stderr);
if (verbose_only_flag != 0)
- return 0;
+ {
+ /* verbose_only_flag should act as if the spec was
+ executed, so increment execution_count before
+ returning. This prevents spurious warnings about
+ unused linker input files, etc. */
+ execution_count++;
+ return 0;
+ }
#ifdef DEBUG
notice ("\nGo ahead? (y or n) ");
fflush (stderr);
Store its length in `n_switches'. */
static void
-process_command (int argc, const char *const *argv)
+process_command (int argc, const char **argv)
{
int i;
const char *temp;
/* Set up the default search paths. If there is no GCC_EXEC_PREFIX,
see if we can create it from the pathname specified in argv[0]. */
+ gcc_libexec_prefix = standard_libexec_prefix;
#ifndef VMS
/* FIXME: make_relative_prefix doesn't yet work for VMS. */
if (!gcc_exec_prefix)
{
gcc_exec_prefix = make_relative_prefix (argv[0], standard_bindir_prefix,
standard_exec_prefix);
+ gcc_libexec_prefix = make_relative_prefix (argv[0],
+ standard_bindir_prefix,
+ standard_libexec_prefix);
if (gcc_exec_prefix)
putenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL));
}
+ else
+ gcc_libexec_prefix = make_relative_prefix (gcc_exec_prefix,
+ standard_exec_prefix,
+ standard_libexec_prefix);
+#else
#endif
if (gcc_exec_prefix)
{
int len = strlen (gcc_exec_prefix);
- if (len > (int) sizeof ("/lib/gcc-lib/") - 1
+ if (len > (int) sizeof ("/lib/gcc/") - 1
&& (IS_DIR_SEPARATOR (gcc_exec_prefix[len-1])))
{
- temp = gcc_exec_prefix + len - sizeof ("/lib/gcc-lib/") + 1;
+ temp = gcc_exec_prefix + len - sizeof ("/lib/gcc/") + 1;
if (IS_DIR_SEPARATOR (*temp)
&& strncmp (temp + 1, "lib", 3) == 0
&& IS_DIR_SEPARATOR (temp[4])
- && strncmp (temp + 5, "gcc-lib", 7) == 0)
- len -= sizeof ("/lib/gcc-lib/") - 1;
+ && strncmp (temp + 5, "gcc", 3) == 0)
+ len -= sizeof ("/lib/gcc/") - 1;
}
set_std_prefix (gcc_exec_prefix, len);
- add_prefix (&exec_prefixes, gcc_exec_prefix, "GCC",
+ add_prefix (&exec_prefixes, gcc_libexec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 0, NULL, 0);
add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 0, NULL, 0);
}
/* Convert new-style -- options to old-style. */
- translate_options (&argc, &argv);
+ translate_options (&argc, (const char *const **) &argv);
/* Do language-specific adjustment/addition of flags. */
- lang_specific_driver (&argc, &argv, &added_libraries);
+ lang_specific_driver (&argc, (const char *const **) &argv, &added_libraries);
/* 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.
{
/* translate_options () has turned --version into -fversion. */
printf (_("%s (GCC) %s\n"), programname, version_string);
- fputs (_("Copyright (C) 2003 Free Software Foundation, Inc.\n"),
- stdout);
+ printf ("Copyright %s 2004 Free Software Foundation, Inc.\n",
+ _("(C)"));
fputs (_("This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"),
stdout);
/* 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, "GCC",
+ add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0);
+ add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0);
add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS",
PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0);
add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS",
PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0);
+ add_prefix (&exec_prefixes, standard_exec_prefix_2, "BINUTILS",
+ PREFIX_PRIORITY_LAST, 2, warn_std_ptr, 0);
#endif
add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS",
PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0);
- add_prefix (&startfile_prefixes, standard_exec_prefix_1, "BINUTILS",
+ add_prefix (&startfile_prefixes, standard_exec_prefix_2, "BINUTILS",
PREFIX_PRIORITY_LAST, 1, warn_std_ptr, 0);
tooldir_prefix = concat (tooldir_base_prefix, spec_machine,
kill (getpid (), signum);
}
-extern int main (int, const char *const *);
+extern int main (int, const char **);
int
-main (int argc, const char *const *argv)
+main (int argc, const char **argv)
{
size_t i;
int value;
/* If standard_startfile_prefix is relative, base it on
standard_exec_prefix. This lets us move the installed tree
as a unit. If GCC_EXEC_PREFIX is defined, base
- standard_startfile_prefix on that as well. */
+ standard_startfile_prefix on that as well.
+
+ If the prefix is relative, only search it for native compilers;
+ otherwise we will search a directory containing host libraries. */
if (IS_ABSOLUTE_PATH (standard_startfile_prefix))
add_sysrooted_prefix (&startfile_prefixes,
standard_startfile_prefix, "BINUTILS",
PREFIX_PRIORITY_LAST, 0, NULL, 1);
- else
+ else if (*cross_compile == '0')
{
if (gcc_exec_prefix)
add_prefix (&startfile_prefixes,
}
#if defined (OS2) ||defined (HAVE_DOS_BASED_FILE_SYSTEM)
- /* look again, but case-insensitively this time. */
+ /* Look again, but case-insensitively this time. */
if (cp < compilers)
for (cp = compilers + n_compilers - 1; cp >= compilers; cp--)
{