sinclude(../config/accross.m4) dnl See if stdbool.h properly defines bool and true/false. AC_DEFUN(gcc_AC_HEADER_STDBOOL, [AC_CACHE_CHECK([for working stdbool.h], ac_cv_header_stdbool_h, [AC_TRY_COMPILE([#include ], [bool foo = false;], ac_cv_header_stdbool_h=yes, ac_cv_header_stdbool_h=no)]) if test $ac_cv_header_stdbool_h = yes; then AC_DEFINE(HAVE_STDBOOL_H, 1, [Define if you have a working header file.]) fi ]) dnl See whether we can include both string.h and strings.h. AC_DEFUN(gcc_AC_HEADER_STRING, [AC_CACHE_CHECK([whether string.h and strings.h may both be included], gcc_cv_header_string, [AC_TRY_COMPILE([#include #include ], , gcc_cv_header_string=yes, gcc_cv_header_string=no)]) if test $gcc_cv_header_string = yes; then AC_DEFINE(STRING_WITH_STRINGS, 1, [Define if you can safely include both and .]) fi ]) dnl See whether we need a declaration for a function. dnl The result is highly dependent on the INCLUDES passed in, so make sure dnl to use a different cache variable name in this macro if it is invoked dnl in a different context somewhere else. dnl gcc_AC_CHECK_DECL(SYMBOL, dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]]) AC_DEFUN(gcc_AC_CHECK_DECL, [AC_MSG_CHECKING([whether $1 is declared]) AC_CACHE_VAL(gcc_cv_have_decl_$1, [AC_TRY_COMPILE([$4], [#ifndef $1 char *(*pfn) = (char *(*)) $1 ; #endif], eval "gcc_cv_have_decl_$1=yes", eval "gcc_cv_have_decl_$1=no")]) if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2]) else AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3]) fi ])dnl dnl Check multiple functions to see whether each needs a declaration. dnl Arrange to define HAVE_DECL_ to 0 or 1 as appropriate. dnl gcc_AC_CHECK_DECLS(SYMBOLS, dnl [ACTION-IF-NEEDED [, ACTION-IF-NOT-NEEDED [, INCLUDES]]]) AC_DEFUN(gcc_AC_CHECK_DECLS, [for ac_func in $1 do changequote(, )dnl ac_tr_decl=HAVE_DECL_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` changequote([, ])dnl gcc_AC_CHECK_DECL($ac_func, [AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2], [AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3], dnl It is possible that the include files passed in here are local headers dnl which supply a backup declaration for the relevant prototype based on dnl the definition of (or lack of) the HAVE_DECL_ macro. If so, this test dnl will always return success. E.g. see libiberty.h's handling of dnl `basename'. To avoid this, we define the relevant HAVE_DECL_ macro to dnl 1 so that any local headers used do not provide their own prototype dnl during this test. #undef $ac_tr_decl #define $ac_tr_decl 1 $4 ) done dnl Automatically generate config.h entries via autoheader. if test x = y ; then patsubst(translit([$1], [a-z], [A-Z]), [\w+], [AC_DEFINE([HAVE_DECL_\&], 1, [Define to 1 if we found this declaration otherwise define to 0.])])dnl fi ]) dnl See if the printf functions in libc support %p in format strings. AC_DEFUN(gcc_AC_FUNC_PRINTF_PTR, [AC_CACHE_CHECK(whether the printf functions support %p, gcc_cv_func_printf_ptr, [AC_TRY_RUN([#include int main() { char buf[64]; char *p = buf, *q = NULL; sprintf(buf, "%p", p); sscanf(buf, "%p", &q); return (p != q); }], gcc_cv_func_printf_ptr=yes, gcc_cv_func_printf_ptr=no, gcc_cv_func_printf_ptr=no) rm -f core core.* *.core]) if test $gcc_cv_func_printf_ptr = yes ; then AC_DEFINE(HAVE_PRINTF_PTR, 1, [Define if printf supports "%p".]) fi ]) dnl See if symbolic links work and if not, try to substitute either hard links or simple copy. AC_DEFUN(gcc_AC_PROG_LN_S, [AC_MSG_CHECKING(whether ln -s works) AC_CACHE_VAL(gcc_cv_prog_LN_S, [rm -f conftestdata_t echo >conftestdata_f if ln -s conftestdata_f conftestdata_t 2>/dev/null then gcc_cv_prog_LN_S="ln -s" else if ln conftestdata_f conftestdata_t 2>/dev/null then gcc_cv_prog_LN_S=ln else gcc_cv_prog_LN_S=cp fi fi rm -f conftestdata_f conftestdata_t ])dnl LN_S="$gcc_cv_prog_LN_S" if test "$gcc_cv_prog_LN_S" = "ln -s"; then AC_MSG_RESULT(yes) else if test "$gcc_cv_prog_LN_S" = "ln"; then AC_MSG_RESULT([no, using ln]) else AC_MSG_RESULT([no, and neither does ln, so using cp]) fi fi AC_SUBST(LN_S)dnl ]) dnl See if hard links work and if not, try to substitute either symbolic links or simple copy. AC_DEFUN(gcc_AC_PROG_LN, [AC_MSG_CHECKING(whether ln works) AC_CACHE_VAL(gcc_cv_prog_LN, [rm -f conftestdata_t echo >conftestdata_f if ln conftestdata_f conftestdata_t 2>/dev/null then gcc_cv_prog_LN="ln" else if ln -s conftestdata_f conftestdata_t 2>/dev/null then gcc_cv_prog_LN="ln -s" else gcc_cv_prog_LN=cp fi fi rm -f conftestdata_f conftestdata_t ])dnl LN="$gcc_cv_prog_LN" if test "$gcc_cv_prog_LN" = "ln"; then AC_MSG_RESULT(yes) else if test "$gcc_cv_prog_LN" = "ln -s"; then AC_MSG_RESULT([no, using ln -s]) else AC_MSG_RESULT([no, and neither does ln -s, so using cp]) fi fi AC_SUBST(LN)dnl ]) dnl See whether the stage1 host compiler accepts the volatile keyword. AC_DEFUN(gcc_AC_C_VOLATILE, [AC_CACHE_CHECK([for volatile], gcc_cv_c_volatile, [AC_TRY_COMPILE(, [volatile int foo;], gcc_cv_c_volatile=yes, gcc_cv_c_volatile=no)]) if test $gcc_cv_c_volatile = yes ; then AC_DEFINE(HAVE_VOLATILE, 1, [Define if your compiler understands volatile.]) fi ]) dnl Check whether long double is supported. This differs from the dnl built-in autoconf test in that it works for cross compiles. AC_DEFUN(gcc_AC_C_LONG_DOUBLE, [AC_CACHE_CHECK(for long double, gcc_cv_c_long_double, [if test "$GCC" = yes; then gcc_cv_c_long_double=yes else AC_TRY_COMPILE(, [/* The Stardent Vistra knows sizeof(long double), but does not support it. */ long double foo = 0.0; /* On Ultrix 4.3 cc, long double is 4 and double is 8. */ switch (0) case 0: case (sizeof(long double) >= sizeof(double)):;], gcc_cv_c_long_double=yes, gcc_cv_c_long_double=no) fi]) if test $gcc_cv_c_long_double = yes; then AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if your compiler supports the \`long double' type.]) fi ]) dnl Check whether _Bool is built-in. AC_DEFUN(gcc_AC_C__BOOL, [AC_CACHE_CHECK(for built-in _Bool, gcc_cv_c__bool, [AC_TRY_COMPILE(, [_Bool foo;], gcc_cv_c__bool=yes, gcc_cv_c__bool=no) ]) if test $gcc_cv_c__bool = yes; then AC_DEFINE(HAVE__BOOL, 1, [Define if the \`_Bool' type is built-in.]) fi ]) dnl Define MKDIR_TAKES_ONE_ARG if mkdir accepts only one argument instead dnl of the usual 2. AC_DEFUN(gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG, [AC_CACHE_CHECK([if mkdir takes one argument], gcc_cv_mkdir_takes_one_arg, [AC_TRY_COMPILE([ #include #ifdef HAVE_SYS_STAT_H # include #endif #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_DIRECT_H # include #endif], [mkdir ("foo", 0);], gcc_cv_mkdir_takes_one_arg=no, gcc_cv_mkdir_takes_one_arg=yes)]) if test $gcc_cv_mkdir_takes_one_arg = yes ; then AC_DEFINE(MKDIR_TAKES_ONE_ARG, 1, [Define if host mkdir takes a single argument.]) fi ]) AC_DEFUN(gcc_AC_PROG_INSTALL, [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl # Find a good install program. We prefer a C program (faster), # so one script is as good as another. But avoid the broken or # incompatible versions: # SysV /etc/install, /usr/sbin/install # SunOS /usr/etc/install # IRIX /sbin/install # AIX /bin/install # AFS /usr/afsws/bin/install, which mishandles nonexistent args # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" # ./install, which can be erroneously created by make from ./install.sh. AC_MSG_CHECKING(for a BSD compatible install) if test -z "$INSTALL"; then AC_CACHE_VAL(ac_cv_path_install, [ IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="${IFS}:" for ac_dir in $PATH; do # Account for people who put trailing slashes in PATH elements. case "$ac_dir/" in /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;; *) # OSF1 and SCO ODT 3.0 have their own names for install. for ac_prog in ginstall scoinst install; do if test -f $ac_dir/$ac_prog; then if test $ac_prog = install && grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then # AIX install. It has an incompatible calling convention. # OSF/1 installbsd also uses dspmsg, but is usable. : else ac_cv_path_install="$ac_dir/$ac_prog -c" break 2 fi fi done ;; esac done IFS="$ac_save_IFS" ])dnl if test "${ac_cv_path_install+set}" = set; then INSTALL="$ac_cv_path_install" else # As a last resort, use the slow shell script. We don't cache a # path for INSTALL within a source directory, because that will # break other packages using the cache if that directory is # removed, or if the path is relative. INSTALL="$ac_install_sh" fi fi dnl We do special magic for INSTALL instead of AC_SUBST, to get dnl relative paths right. AC_MSG_RESULT($INSTALL) AC_SUBST(INSTALL)dnl # Use test -z because SunOS4 sh mishandles braces in ${var-val}. # It thinks the first close brace ends the variable substitution. test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' AC_SUBST(INSTALL_PROGRAM)dnl test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' AC_SUBST(INSTALL_DATA)dnl ]) dnl Test for GNAT. dnl We require the gnatbind program, and a compiler driver that dnl understands Ada. The user may set the driver name explicitly dnl with ADAC; also, the user's CC setting is tried. Failing that, dnl we try gcc and cc, then a sampling of names known to be used for dnl the Ada driver on various systems. dnl dnl Sets the shell variable have_gnat to yes or no as appropriate, and dnl substitutes GNATBIND and ADAC. AC_DEFUN([gcc_AC_PROG_GNAT], [AC_REQUIRE([AC_CHECK_TOOL_PREFIX]) AC_CHECK_TOOL(GNATBIND, gnatbind, no) AC_CACHE_CHECK([for compiler driver that understands Ada], gcc_cv_prog_adac, [cat >conftest.adb <&1 || echo failure` if test x"$errors" = x; then gcc_cv_prog_adac=$cand break fi done rm -f conftest.*]) ADAC=$gcc_cv_prog_adac AC_SUBST(ADAC) if test x$GNATBIND != xno && test x$ADAC != xno; then have_gnat=yes else have_gnat=no fi ]) #serial 1 dnl This test replaces the one in autoconf. dnl Currently this macro should have the same name as the autoconf macro dnl because gettext's gettext.m4 (distributed in the automake package) dnl still uses it. Otherwise, the use in gettext.m4 makes autoheader dnl give these diagnostics: dnl configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX dnl configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX undefine([AC_ISC_POSIX]) AC_DEFUN(AC_ISC_POSIX, [ dnl This test replaces the obsolescent AC_ISC_POSIX kludge. AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"]) ] ) dnl GCC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND [, PATH]]) dnl like AC_PATH_PROG but use other cache variables AC_DEFUN(GCC_PATH_PROG, [# Extract the first word of "$2", so it can be a program name with args. set dummy $2; ac_word=[$]2 AC_MSG_CHECKING([for $ac_word]) AC_CACHE_VAL(gcc_cv_path_$1, [case "[$]$1" in /*) gcc_cv_path_$1="[$]$1" # Let the user override the test with a path. ;; ?:/*) gcc_cv_path_$1="[$]$1" # Let the user override the test with a dos path. ;; *) IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" dnl $ac_dummy forces splitting on constant user-supplied paths. dnl POSIX.2 word splitting is done only on the output of word expansions, dnl not every word. This closes a longstanding sh security hole. ac_dummy="ifelse([$4], , $PATH, [$4])" for ac_dir in $ac_dummy; do test -z "$ac_dir" && ac_dir=. if test -f $ac_dir/$ac_word; then gcc_cv_path_$1="$ac_dir/$ac_word" break fi done IFS="$ac_save_ifs" dnl If no 3rd arg is given, leave the cache variable unset, dnl so GCC_PATH_PROGS will keep looking. ifelse([$3], , , [ test -z "[$]gcc_cv_path_$1" && gcc_cv_path_$1="$3" ])dnl ;; esac])dnl $1="$gcc_cv_path_$1" if test -n "[$]$1"; then AC_MSG_RESULT([$]$1) else AC_MSG_RESULT(no) fi AC_SUBST($1)dnl ]) # Check whether mmap can map an arbitrary page from /dev/zero or with # MAP_ANONYMOUS, without MAP_FIXED. AC_DEFUN([AC_FUNC_MMAP_ANYWHERE], [AC_CHECK_FUNCS(getpagesize) # The test program for the next two tests is the same except for one # set of ifdefs. changequote({{{,}}})dnl {{{cat >ct-mmap.inc <<'EOF' #include #include #include #include #include #include #if !defined (MAP_ANONYMOUS) && defined (MAP_ANON) # define MAP_ANONYMOUS MAP_ANON #endif /* This mess was copied from the GNU getpagesize.h. */ #ifndef HAVE_GETPAGESIZE # ifdef HAVE_UNISTD_H # include # endif /* Assume that all systems that can run configure have sys/param.h. */ # ifndef HAVE_SYS_PARAM_H # define HAVE_SYS_PARAM_H 1 # endif # ifdef _SC_PAGESIZE # define getpagesize() sysconf(_SC_PAGESIZE) # else /* no _SC_PAGESIZE */ # ifdef HAVE_SYS_PARAM_H # include # ifdef EXEC_PAGESIZE # define getpagesize() EXEC_PAGESIZE # else /* no EXEC_PAGESIZE */ # ifdef NBPG # define getpagesize() NBPG * CLSIZE # ifndef CLSIZE # define CLSIZE 1 # endif /* no CLSIZE */ # else /* no NBPG */ # ifdef NBPC # define getpagesize() NBPC # else /* no NBPC */ # ifdef PAGESIZE # define getpagesize() PAGESIZE # endif /* PAGESIZE */ # endif /* no NBPC */ # endif /* no NBPG */ # endif /* no EXEC_PAGESIZE */ # else /* no HAVE_SYS_PARAM_H */ # define getpagesize() 8192 /* punt totally */ # endif /* no HAVE_SYS_PARAM_H */ # endif /* no _SC_PAGESIZE */ #endif /* no HAVE_GETPAGESIZE */ #ifndef MAP_FAILED # define MAP_FAILED -1 #endif #undef perror_exit #define perror_exit(str, val) \ do { perror(str); exit(val); } while (0) /* Some versions of cygwin mmap require that munmap is called with the same parameters as mmap. GCC expects that this is not the case. Test for various forms of this problem. Warning - icky signal games. */ static sigset_t unblock_sigsegv; static jmp_buf r; static size_t pg; static int devzero; static char * anonmap (size) size_t size; { #ifdef USE_MAP_ANON return (char *) mmap (0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); #else return (char *) mmap (0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE, devzero, 0); #endif } static void sigsegv (unused) int unused; { sigprocmask (SIG_UNBLOCK, &unblock_sigsegv, 0); longjmp (r, 1); } /* Basic functionality test. */ void test_0 () { char *x = anonmap (pg); if (x == (char *) MAP_FAILED) perror_exit("test 0 mmap", 2); *(int *)x += 1; if (munmap(x, pg) < 0) perror_exit("test 0 munmap", 3); } /* 1. If we map a 2-page region and unmap its second page, the first page must remain. */ static void test_1 () { char *x = anonmap (pg * 2); if (x == (char *)MAP_FAILED) perror_exit ("test 1 mmap", 4); signal (SIGSEGV, sigsegv); if (setjmp (r)) perror_exit ("test 1 fault", 5); x[0] = 1; x[pg] = 1; if (munmap (x + pg, pg) < 0) perror_exit ("test 1 munmap 1", 6); x[0] = 2; if (setjmp (r) == 0) { x[pg] = 1; perror_exit ("test 1 no fault", 7); } if (munmap (x, pg) < 0) perror_exit ("test 1 munmap 2", 8); } /* 2. If we map a 2-page region and unmap its first page, the second page must remain. */ static void test_2 () { char *x = anonmap (pg * 2); if (x == (char *)MAP_FAILED) perror_exit ("test 2 mmap", 9); signal (SIGSEGV, sigsegv); if (setjmp (r)) perror_exit ("test 2 fault", 10); x[0] = 1; x[pg] = 1; if (munmap (x, pg) < 0) perror_exit ("test 2 munmap 1", 11); x[pg] = 2; if (setjmp (r) == 0) { x[0] = 1; perror_exit ("test 2 no fault", 12); } if (munmap (x+pg, pg) < 0) perror_exit ("test 2 munmap 2", 13); } /* 3. If we map two adjacent 1-page regions and unmap them both with one munmap, both must go away. Getting two adjacent 1-page regions with two mmap calls is slightly tricky. All OS's tested skip over already-allocated blocks; therefore we have been careful to unmap all allocated regions in previous tests. HP/UX allocates pages backward in memory. No OS has yet been observed to be so perverse as to leave unmapped space between consecutive calls to mmap. */ static void test_3 () { char *x, *y, *z; x = anonmap (pg); if (x == (char *)MAP_FAILED) perror_exit ("test 3 mmap 1", 14); y = anonmap (pg); if (y == (char *)MAP_FAILED) perror_exit ("test 3 mmap 2", 15); if (y != x + pg) { if (y == x - pg) z = y, y = x, x = z; else { fprintf (stderr, "test 3 nonconsecutive pages - %lx, %lx\n", (unsigned long)x, (unsigned long)y); exit (16); } } signal (SIGSEGV, sigsegv); if (setjmp (r)) perror_exit ("test 3 fault", 17); x[0] = 1; y[0] = 1; if (munmap (x, pg*2) < 0) perror_exit ("test 3 munmap", 18); if (setjmp (r) == 0) { x[0] = 1; perror_exit ("test 3 no fault 1", 19); } signal (SIGSEGV, sigsegv); if (setjmp (r) == 0) { y[0] = 1; perror_exit ("test 3 no fault 2", 20); } } int main () { sigemptyset (&unblock_sigsegv); sigaddset (&unblock_sigsegv, SIGSEGV); pg = getpagesize (); #ifndef USE_MAP_ANON devzero = open ("/dev/zero", O_RDWR); if (devzero < 0) perror_exit ("open /dev/zero", 1); #endif test_0(); test_1(); test_2(); test_3(); exit(0); } EOF}}} changequote([,])dnl AC_CACHE_CHECK(for working mmap from /dev/zero, ac_cv_func_mmap_dev_zero, [AC_TRY_RUN( [#include "ct-mmap.inc"], ac_cv_func_mmap_dev_zero=yes, [if test $? -lt 4 then ac_cv_func_mmap_dev_zero=no else ac_cv_func_mmap_dev_zero=buggy fi], # When cross-building, assume that this works, unless we know it # doesn't. Of course, we have no way of knowing if there even is a /dev/zero # on the host, let alone whether mmap will work on it. [case "$host_os" in cygwin* | win32 | pe | mingw* ) ac_cv_func_mmap_dev_zero=buggy ;; darwin* ) ac_cv_func_mmap_dev_zero=no ;; * ) ac_cv_func_mmap_dev_zero=yes ;; esac]) ]) if test $ac_cv_func_mmap_dev_zero = yes; then AC_DEFINE(HAVE_MMAP_DEV_ZERO, 1, [Define if mmap can get us zeroed pages from /dev/zero.]) fi AC_CACHE_CHECK([for working mmap with MAP_ANON(YMOUS)], ac_cv_func_mmap_anon, [AC_TRY_RUN( [#define USE_MAP_ANON #include "ct-mmap.inc"], ac_cv_func_mmap_anon=yes, [if test $? -lt 4 then ac_cv_func_mmap_anon=no else ac_cv_func_mmap_anon=buggy fi], # Unlike /dev/zero, it is not safe to assume MAP_ANON(YMOUS) works # just because it's there. Some SCO Un*xen define it but don't implement it. [case "$host_os" in darwin* ) ac_cv_func_mmap_anon=yes ;; * ) ac_cv_func_mmap_anon=no ;; esac]) ]) if test $ac_cv_func_mmap_anon = yes; then AC_DEFINE(HAVE_MMAP_ANON, 1, [Define if mmap can get us zeroed pages using MAP_ANON(YMOUS).]) fi rm -f ct-mmap.inc ]) # Check whether mmap can map a plain file, without MAP_FIXED. AC_DEFUN([AC_FUNC_MMAP_FILE], [AC_CACHE_CHECK(for working mmap of a file, ac_cv_func_mmap_file, [# Create a file one thousand bytes long. for i in 1 2 3 4 5 6 7 8 9 0 do for j in 1 2 3 4 5 6 7 8 9 0 do echo $i $j xxxxx done done > conftestdata$$ AC_TRY_RUN([ /* Test by Zack Weinberg. Modified from MMAP_ANYWHERE test by Richard Henderson and Alexandre Oliva. Check whether read-only mmap of a plain file works. */ #include #include #include #include int main() { char *x; int fd; struct stat st; fd = open("conftestdata$$", O_RDONLY); if (fd < 0) exit(1); if (fstat (fd, &st)) exit(2); x = (char*)mmap(0, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); if (x == (char *) -1) exit(3); if (x[0] != '1' || x[1] != ' ' || x[2] != '1' || x[3] != ' ') exit(4); if (munmap(x, st.st_size) < 0) exit(5); exit(0); }], ac_cv_func_mmap_file=yes, ac_cv_func_mmap_file=no, [case "$host_os" in darwin* ) ac_cv_func_mmap_file=yes ;; * ) ac_cv_func_mmap_file=no ;; esac])]) if test $ac_cv_func_mmap_file = yes; then AC_DEFINE(HAVE_MMAP_FILE, 1, [Define if read-only mmap of a plain file works.]) fi ]) dnl Locate a program and check that its version is acceptable. dnl AC_PROG_CHECK_VER(var, name, version-switch, dnl version-extract-regexp, version-glob) AC_DEFUN(gcc_AC_CHECK_PROG_VER, [AC_CHECK_PROG([$1], [$2], [$2]) if test -n "[$]$1"; then # Found it, now check the version. AC_CACHE_CHECK(for modern $2, gcc_cv_prog_$2_modern, [changequote(<<,>>)dnl ac_prog_version=`<<$>>$1 $3 2>&1 | sed -n 's/^.*patsubst(<<$4>>,/,\/).*$/\1/p'` changequote([,])dnl echo "configure:__oline__: version of $2 is $ac_prog_version" >&AC_FD_CC changequote(<<,>>)dnl case $ac_prog_version in '') gcc_cv_prog_$2_modern=no;; <<$5>>) gcc_cv_prog_$2_modern=yes;; *) gcc_cv_prog_$2_modern=no;; esac changequote([,])dnl ]) else gcc_cv_prog_$2_modern=no fi ]) dnl Determine if enumerated bitfields are unsigned. ISO C says they can dnl be either signed or unsigned. dnl AC_DEFUN(gcc_AC_C_ENUM_BF_UNSIGNED, [AC_CACHE_CHECK(for unsigned enumerated bitfields, gcc_cv_enum_bf_unsigned, [AC_TRY_RUN(#include enum t { BLAH = 128 } ; struct s_t { enum t member : 8; } s ; int main(void) { s.member = BLAH; if (s.member < 0) exit(1); exit(0); }, gcc_cv_enum_bf_unsigned=yes, gcc_cv_enum_bf_unsigned=no, gcc_cv_enum_bf_unsigned=yes)]) if test $gcc_cv_enum_bf_unsigned = yes; then AC_DEFINE(ENUM_BITFIELDS_ARE_UNSIGNED, 1, [Define if enumerated bitfields are treated as unsigned values.]) fi]) dnl Probe number of bits in a byte. dnl Note C89 requires CHAR_BIT >= 8. dnl AC_DEFUN(gcc_AC_C_CHAR_BIT, [AC_CACHE_CHECK(for CHAR_BIT, gcc_cv_decl_char_bit, [AC_EGREP_CPP(found, [#ifdef HAVE_LIMITS_H #include #endif #ifdef CHAR_BIT found #endif], gcc_cv_decl_char_bit=yes, gcc_cv_decl_char_bit=no) ]) if test $gcc_cv_decl_char_bit = no; then AC_CACHE_CHECK(number of bits in a byte, gcc_cv_c_nbby, [i=8 gcc_cv_c_nbby= while test $i -lt 65; do AC_TRY_COMPILE(, [switch(0) { case (unsigned char)((unsigned long)1 << $i) == ((unsigned long)1 << $i): case (unsigned char)((unsigned long)1<<($i-1)) == ((unsigned long)1<<($i-1)): ; }], [gcc_cv_c_nbby=$i; break]) i=`expr $i + 1` done test -z "$gcc_cv_c_nbby" && gcc_cv_c_nbby=failed ]) if test $gcc_cv_c_nbby = failed; then AC_MSG_ERROR(cannot determine number of bits in a byte) else AC_DEFINE_UNQUOTED(CHAR_BIT, $gcc_cv_c_nbby, [Define as the number of bits in a byte, if \`limits.h' doesn't.]) fi fi]) dnl Checking for long long. dnl By Caolan McNamara dnl Added check for __int64, Zack Weinberg dnl AC_DEFUN([gcc_AC_C_LONG_LONG], [AC_CACHE_CHECK(for long long int, ac_cv_c_long_long, [AC_TRY_COMPILE(,[long long int i;], ac_cv_c_long_long=yes, ac_cv_c_long_long=no)]) if test $ac_cv_c_long_long = yes; then AC_DEFINE(HAVE_LONG_LONG, 1, [Define if your compiler supports the \`long long' type.]) fi AC_CACHE_CHECK(for __int64, ac_cv_c___int64, [AC_TRY_COMPILE(,[__int64 i;], ac_cv_c___int64=yes, ac_cv_c___int64=no)]) if test $ac_cv_c___int64 = yes; then AC_DEFINE(HAVE___INT64, 1, [Define if your compiler supports the \`__int64' type.]) fi ]) dnl Host character set probe. dnl The EBCDIC values match the table in config/i370/i370.c; dnl there are other versions of EBCDIC but GCC won't work with them. dnl AC_DEFUN([gcc_AC_C_CHARSET], [AC_CACHE_CHECK(execution character set, ac_cv_c_charset, [AC_EGREP_CPP(ASCII, [#if '\n' == 0x0A && ' ' == 0x20 && '0' == 0x30 \ && 'A' == 0x41 && 'a' == 0x61 && '!' == 0x21 ASCII #endif], ac_cv_c_charset=ASCII) if test x${ac_cv_c_charset+set} != xset; then AC_EGREP_CPP(EBCDIC, [#if '\n' == 0x15 && ' ' == 0x40 && '0' == 0xF0 \ && 'A' == 0xC1 && 'a' == 0x81 && '!' == 0x5A EBCDIC #endif], ac_cv_c_charset=EBCDIC) fi if test x${ac_cv_c_charset+set} != xset; then ac_cv_c_charset=unknown fi]) if test $ac_cv_c_charset = unknown; then AC_MSG_ERROR([*** Cannot determine host character set.]) elif test $ac_cv_c_charset = EBCDIC; then AC_DEFINE(HOST_EBCDIC, 1, [Define if the host execution character set is EBCDIC.]) fi]) #serial AM2 dnl From Bruno Haible. AC_DEFUN([AM_ICONV], [ dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and dnl those with the standalone portable GNU libiconv installed). am_cv_lib_iconv_ldpath= AC_ARG_WITH([libiconv-prefix], [ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [ for dir in `echo "$withval" | tr : ' '`; do if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi if test -d $dir/lib; then am_cv_lib_iconv_ldpath="-L$dir/lib"; fi done ]) AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [ am_cv_func_iconv="no, consider installing GNU libiconv" am_cv_lib_iconv=no AC_TRY_LINK([#include #include ], [iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);], am_cv_func_iconv=yes) if test "$am_cv_func_iconv" != yes; then am_save_LIBS="$LIBS" LIBS="$LIBS $am_cv_libiconv_ldpath -liconv" AC_TRY_LINK([#include #include ], [iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);], am_cv_lib_iconv=yes am_cv_func_iconv=yes) LIBS="$am_save_LIBS" fi ]) if test "$am_cv_func_iconv" = yes; then AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.]) AC_MSG_CHECKING([for iconv declaration]) AC_CACHE_VAL(am_cv_proto_iconv, [ AC_TRY_COMPILE([ #include #include extern #ifdef __cplusplus "C" #endif #if defined(__STDC__) || defined(__cplusplus) size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); #else size_t iconv(); #endif ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const") am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` AC_MSG_RESULT([$]{ac_t:- }[$]am_cv_proto_iconv) AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1, [Define as const if the declaration of iconv() needs const.]) fi LIBICONV= if test "$am_cv_lib_iconv" = yes; then LIBICONV="$am_cv_lib_iconv_ldpath -liconv" fi AC_SUBST(LIBICONV) ]) ### Gettext macros begin here. ### Changes for GCC marked by 'dnl GCC LOCAL'. ### Note iconv.m4 appears above, as it's used for other reasons. #serial AM1 dnl From Bruno Haible. AC_DEFUN([AM_LANGINFO_CODESET], [ AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset, [AC_TRY_LINK([#include ], [char* cs = nl_langinfo(CODESET);], am_cv_langinfo_codeset=yes, am_cv_langinfo_codeset=no) ]) if test $am_cv_langinfo_codeset = yes; then AC_DEFINE(HAVE_LANGINFO_CODESET, 1, [Define if you have and nl_langinfo(CODESET).]) fi ]) #serial 1 # This test replaces the one in autoconf. # Currently this macro should have the same name as the autoconf macro # because gettext's gettext.m4 (distributed in the automake package) # still uses it. Otherwise, the use in gettext.m4 makes autoheader # give these diagnostics: # configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX # configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX undefine([AC_ISC_POSIX]) AC_DEFUN([AC_ISC_POSIX], [ dnl This test replaces the obsolescent AC_ISC_POSIX kludge. dnl GCC LOCAL: Use AC_SEARCH_LIBS. AC_SEARCH_LIBS(strerror, cposix) ] ) #serial 2 # Test for the GNU C Library, version 2.1 or newer. # From Bruno Haible. AC_DEFUN([jm_GLIBC21], [ AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer, ac_cv_gnu_library_2_1, [AC_EGREP_CPP([Lucky GNU user], [ #include #ifdef __GNU_LIBRARY__ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2) Lucky GNU user #endif #endif ], ac_cv_gnu_library_2_1=yes, ac_cv_gnu_library_2_1=no) ] ) AC_SUBST(GLIBC21) GLIBC21="$ac_cv_gnu_library_2_1" ] ) # Check whether LC_MESSAGES is available in . # Ulrich Drepper , 1995. # # This file can be copied and used freely without restrictions. It can # be used in projects which are not available under the GNU General Public # License or the GNU Library General Public License but which still want # to provide support for the GNU gettext functionality. # Please note that the actual code of the GNU gettext library is covered # by the GNU Library General Public License, and the rest of the GNU # gettext package package is covered by the GNU General Public License. # They are *not* in the public domain. # serial 2 AC_DEFUN([AM_LC_MESSAGES], [if test $ac_cv_header_locale_h = yes; then AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES, [AC_TRY_LINK([#include ], [return LC_MESSAGES], am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)]) if test $am_cv_val_LC_MESSAGES = yes; then AC_DEFINE(HAVE_LC_MESSAGES, 1, [Define if your file defines LC_MESSAGES.]) fi fi]) # Search path for a program which passes the given test. # Ulrich Drepper , 1996. # # This file can be copied and used freely without restrictions. It can # be used in projects which are not available under the GNU General Public # License or the GNU Library General Public License but which still want # to provide support for the GNU gettext functionality. # Please note that the actual code of the GNU gettext library is covered # by the GNU Library General Public License, and the rest of the GNU # gettext package package is covered by the GNU General Public License. # They are *not* in the public domain. # serial 2 dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR, dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]]) AC_DEFUN([AM_PATH_PROG_WITH_TEST], [# Extract the first word of "$2", so it can be a program name with args. set dummy $2; ac_word=[$]2 AC_MSG_CHECKING([for $ac_word]) AC_CACHE_VAL(ac_cv_path_$1, [case "[$]$1" in /*) ac_cv_path_$1="[$]$1" # Let the user override the test with a path. ;; *) IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in ifelse([$5], , $PATH, [$5]); do test -z "$ac_dir" && ac_dir=. if test -f $ac_dir/$ac_word; then if [$3]; then ac_cv_path_$1="$ac_dir/$ac_word" break fi fi done IFS="$ac_save_ifs" dnl If no 4th arg is given, leave the cache variable unset, dnl so AC_PATH_PROGS will keep looking. ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4" ])dnl ;; esac])dnl $1="$ac_cv_path_$1" if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then AC_MSG_RESULT([$]$1) else AC_MSG_RESULT(no) fi AC_SUBST($1)dnl ]) # Macro to add for using GNU gettext. # Ulrich Drepper , 1995. # # This file can be copied and used freely without restrictions. It can # be used in projects which are not available under the GNU General Public # License or the GNU Library General Public License but which still want # to provide support for the GNU gettext functionality. # Please note that the actual code of the GNU gettext library is covered # by the GNU Library General Public License, and the rest of the GNU # gettext package package is covered by the GNU General Public License. # They are *not* in the public domain. # serial 10 dnl Usage: AM_WITH_NLS([TOOLSYMBOL], [NEEDSYMBOL], [LIBDIR]). dnl If TOOLSYMBOL is specified and is 'use-libtool', then a libtool library dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static, dnl depending on --{enable,disable}-{shared,static} and on the presence of dnl AM-DISABLE-SHARED). Otherwise, a static library dnl $(top_builddir)/intl/libintl.a will be created. dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext dnl implementations (in libc or libintl) without the ngettext() function dnl will be ignored. dnl LIBDIR is used to find the intl libraries. If empty, dnl the value `$(top_builddir)/intl/' is used. dnl dnl The result of the configuration is one of three cases: dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled dnl and used. dnl Catalog format: GNU --> install in $(datadir) dnl Catalog extension: .mo after installation, .gmo in source tree dnl 2) GNU gettext has been found in the system's C library. dnl Catalog format: GNU --> install in $(datadir) dnl Catalog extension: .mo after installation, .gmo in source tree dnl 3) No internationalization, always use English msgid. dnl Catalog format: none dnl Catalog extension: none dnl The use of .gmo is historical (it was needed to avoid overwriting the dnl GNU format catalogs when building on a platform with an X/Open gettext), dnl but we keep it in order not to force irrelevant filename changes on the dnl maintainers. dnl AC_DEFUN([AM_WITH_NLS], [AC_MSG_CHECKING([whether NLS is requested]) dnl Default is enabled NLS AC_ARG_ENABLE(nls, [ --disable-nls do not use Native Language Support], USE_NLS=$enableval, USE_NLS=yes) AC_MSG_RESULT($USE_NLS) AC_SUBST(USE_NLS) BUILD_INCLUDED_LIBINTL=no USE_INCLUDED_LIBINTL=no dnl GCC LOCAL: Separate concept of link command line from dependencies. INTLLIBS= INTLDEPS= dnl If we use NLS figure out what method if test "$USE_NLS" = "yes"; then AC_DEFINE(ENABLE_NLS, 1, [Define to 1 if translation of program messages to the user's native language is requested.]) AC_MSG_CHECKING([whether included gettext is requested]) AC_ARG_WITH(included-gettext, [ --with-included-gettext use the GNU gettext library included here], nls_cv_force_use_gnu_gettext=$withval, nls_cv_force_use_gnu_gettext=no) AC_MSG_RESULT($nls_cv_force_use_gnu_gettext) nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext" if test "$nls_cv_force_use_gnu_gettext" != "yes"; then dnl User does not insist on using GNU NLS library. Figure out what dnl to use. If GNU gettext is available we use this. Else we have dnl to fall back to GNU NLS library. CATOBJEXT=NONE dnl Add a version number to the cache macros. define(gt_cv_func_gnugettext_libc, [gt_cv_func_gnugettext]ifelse([$2], need-ngettext, 2, 1)[_libc]) define(gt_cv_func_gnugettext_libintl, [gt_cv_func_gnugettext]ifelse([$2], need-ngettext, 2, 1)[_libintl]) dnl GCC LOCAL: Expose presence of libintl.h to C code. AC_CHECK_HEADER(libintl.h, [AC_DEFINE([HAVE_LIBINTL_H], 1, [Define if you have the header file.]) AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc, [AC_TRY_LINK([#include extern int _nl_msg_cat_cntr;], [bindtextdomain ("", ""); return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr], gt_cv_func_gnugettext_libc=yes, gt_cv_func_gnugettext_libc=no)]) if test "$gt_cv_func_gnugettext_libc" != "yes"; then AC_CACHE_CHECK([for GNU gettext in libintl], gt_cv_func_gnugettext_libintl, [gt_save_LIBS="$LIBS" LIBS="$LIBS -lintl $LIBICONV" AC_TRY_LINK([#include extern int _nl_msg_cat_cntr;], [bindtextdomain ("", ""); return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr], gt_cv_func_gnugettext_libintl=yes, gt_cv_func_gnugettext_libintl=no) LIBS="$gt_save_LIBS"]) fi dnl If an already present or preinstalled GNU gettext() is found, dnl use it. But if this macro is used in GNU gettext, and GNU dnl gettext is already preinstalled in libintl, we update this dnl libintl. (Cf. the install rule in intl/Makefile.in.) if test "$gt_cv_func_gnugettext_libc" = "yes" \ || { test "$gt_cv_func_gnugettext_libintl" = "yes" \ && test "$PACKAGE" != gettext; }; then AC_DEFINE(HAVE_GETTEXT, 1, [Define if the GNU gettext() function is already present or preinstalled.]) if test "$gt_cv_func_gnugettext_libintl" = "yes"; then dnl If iconv() is in a separate libiconv library, then anyone dnl linking with libintl{.a,.so} also needs to link with dnl libiconv. INTLLIBS="-lintl $LIBICONV" fi gt_save_LIBS="$LIBS" LIBS="$LIBS $INTLLIBS" AC_CHECK_FUNCS(dcgettext) LIBS="$gt_save_LIBS" dnl Search for GNU msgfmt in the PATH. AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :) AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) dnl Search for GNU xgettext in the PATH. AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, [$ac_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :) CATOBJEXT=.gmo fi ]) if test "$CATOBJEXT" = "NONE"; then dnl GNU gettext is not found in the C library. dnl Fall back on GNU gettext library. nls_cv_use_gnu_gettext=yes fi fi if test "$nls_cv_use_gnu_gettext" = "yes"; then dnl Mark actions used to generate GNU NLS library. INTLOBJS="\$(GETTOBJS)" AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1], :) AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, [$ac_dir/$ac_word --omit-header /dev/null >/dev/null 2>&1], :) AC_SUBST(MSGFMT) BUILD_INCLUDED_LIBINTL=yes USE_INCLUDED_LIBINTL=yes CATOBJEXT=.gmo INTLLIBS="ifelse([$3],[],\$(top_builddir)/intl,[$3])/libintl.ifelse([$1], use-libtool, [l], [])a $LIBICONV" INTLDEPS="ifelse([$3],[],\$(top_builddir)/intl,[$3])/libintl.ifelse([$1], use-libtool, [l], [])a" LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'` fi dnl This could go away some day; the PATH_PROG_WITH_TEST already does it. dnl Test whether we really found GNU msgfmt. if test "$GMSGFMT" != ":"; then dnl If it is no GNU msgfmt we define it as : so that the dnl Makefiles still can work. if $GMSGFMT --statistics /dev/null >/dev/null 2>&1; then : ; else AC_MSG_RESULT( [found msgfmt program is not GNU msgfmt; ignore it]) GMSGFMT=":" fi fi dnl This could go away some day; the PATH_PROG_WITH_TEST already does it. dnl Test whether we really found GNU xgettext. if test "$XGETTEXT" != ":"; then dnl If it is no GNU xgettext we define it as : so that the dnl Makefiles still can work. if $XGETTEXT --omit-header /dev/null >/dev/null 2>&1; then : ; else AC_MSG_RESULT( [found xgettext program is not GNU xgettext; ignore it]) XGETTEXT=":" fi fi dnl We need to process the po/ directory. POSUB=po fi AC_OUTPUT_COMMANDS( [for ac_file in $CONFIG_FILES; do # Support "outfile[:infile[:infile...]]" case "$ac_file" in *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; esac # PO directories have a Makefile.in generated from Makefile.in.in. case "$ac_file" in */Makefile.in) # Adjust a relative srcdir. ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'` ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`" ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'` # In autoconf-2.13 it is called $ac_given_srcdir. # In autoconf-2.50 it is called $srcdir. test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir" case "$ac_given_srcdir" in .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;; /*) top_srcdir="$ac_given_srcdir" ;; *) top_srcdir="$ac_dots$ac_given_srcdir" ;; esac if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then rm -f "$ac_dir/POTFILES" test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES" sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," -e "\$s/\(.*\) \\\\/\1/" < "$ac_given_srcdir/$ac_dir/POTFILES.in" > "$ac_dir/POTFILES" test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile" sed -e "/POTFILES =/r $ac_dir/POTFILES" "$ac_dir/Makefile.in" > "$ac_dir/Makefile" fi ;; esac done]) dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL dnl to 'yes' because some of the testsuite requires it. if test "$PACKAGE" = gettext; then BUILD_INCLUDED_LIBINTL=yes fi dnl intl/plural.c is generated from intl/plural.y. It requires bison, dnl because plural.y uses bison specific features. It requires at least dnl bison-1.26 because earlier versions generate a plural.c that doesn't dnl compile. dnl bison is only needed for the maintainer (who touches plural.y). But in dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put dnl the rule in general Makefile. Now, some people carelessly touch the dnl files or have a broken "make" program, hence the plural.c rule will dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not dnl present or too old. AC_CHECK_PROGS([INTLBISON], [bison]) if test -z "$INTLBISON"; then ac_verc_fail=yes else dnl Found it, now check the version. AC_MSG_CHECKING([version of bison]) changequote(<<,>>)dnl ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'` case $ac_prog_version in '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*) changequote([,])dnl ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; esac AC_MSG_RESULT([$ac_prog_version]) fi if test $ac_verc_fail = yes; then INTLBISON=: fi dnl GCC LOCAL: GMOFILES/POFILES removed as unnecessary. dnl Make all variables we use known to autoconf. AC_SUBST(BUILD_INCLUDED_LIBINTL) AC_SUBST(USE_INCLUDED_LIBINTL) AC_SUBST(CATALOGS) AC_SUBST(CATOBJEXT) AC_SUBST(INTLLIBS) AC_SUBST(INTLDEPS) AC_SUBST(INTLOBJS) AC_SUBST(POSUB) dnl GCC LOCAL: Make USE_INCLUDED_LIBINTL visible to C code. if test $USE_INCLUDED_LIBINTL = yes; then AC_DEFINE([USE_INCLUDED_LIBINTL], 1, [Define to use the libintl included with this package instead of any version in the system libraries.]) fi dnl For backward compatibility. Some configure.ins may be using this. nls_cv_header_intl= nls_cv_header_libgt= dnl For backward compatibility. Some Makefiles may be using this. DATADIRNAME=share AC_SUBST(DATADIRNAME) dnl For backward compatibility. Some Makefiles may be using this. INSTOBJEXT=.mo AC_SUBST(INSTOBJEXT) dnl For backward compatibility. Some Makefiles may be using this. GENCAT=gencat AC_SUBST(GENCAT) ]) dnl Usage: Just like AM_WITH_NLS, which see. AC_DEFUN([AM_GNU_GETTEXT], [AC_REQUIRE([AC_PROG_MAKE_SET])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_PROG_RANLIB])dnl AC_REQUIRE([AC_ISC_POSIX])dnl AC_REQUIRE([AC_HEADER_STDC])dnl AC_REQUIRE([AC_C_CONST])dnl AC_REQUIRE([AC_C_INLINE])dnl AC_REQUIRE([AC_TYPE_OFF_T])dnl AC_REQUIRE([AC_TYPE_SIZE_T])dnl AC_REQUIRE([AC_FUNC_ALLOCA])dnl dnl GCC LOCAL: Do not refer to AC_FUNC_MMAP, we have special needs. dnl AC_REQUIRE([AC_FUNC_MMAP])dnl AC_REQUIRE([jm_GLIBC21])dnl AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \ stdlib.h string.h unistd.h sys/param.h]) AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getcwd getegid geteuid \ getgid getuid mempcpy munmap putenv setenv setlocale stpcpy strchr strcasecmp \ strdup strtoul tsearch __argz_count __argz_stringify __argz_next]) AM_ICONV AM_LANGINFO_CODESET AM_LC_MESSAGES AM_WITH_NLS([$1],[$2],[$3]) dnl GCC LOCAL: The LINGUAS/ALL_LINGUAS/CATALOGS mess that was here dnl has been torn out and replaced with this more sensible scheme. if test "x$CATOBJEXT" != x; then AC_MSG_CHECKING(for catalogs to be installed) # Look for .po and .gmo files in the source directory. CATALOGS= XLINGUAS= for cat in $srcdir/po/*$CATOBJEXT $srcdir/po/*.po; do # If there aren't any .gmo files the shell will give us the # literal string "../path/to/srcdir/po/*.gmo" which has to be # weeded out. case "$cat" in *\**) continue;; esac # The quadruple backslash is collapsed to a double backslash # by the backticks, then collapsed again by the double quotes, # leaving us with one backslash in the sed expression (right # before the dot that mustn't act as a wildcard). The dot to # be escaped in the second expression is hiding inside CATOBJEXT. cat=`echo $cat | sed -e "s!$srcdir/!!" -e "s!\\\\.po!$CATOBJEXT!"` lang=`echo $cat | sed -e 's!po/!!' -e "s!\\\\$CATOBJEXT!!"` # The user is allowed to set LINGUAS to a list of languages to # install catalogs for. If it's empty that means "all of them." if test "x$LINGUAS" = x; then CATALOGS="$CATALOGS $cat" XLINGUAS="$XLINGUAS $lang" else case "$LINGUAS" in *$lang*) CATALOGS="$CATALOGS $cat" XLINGUAS="$XLINGUAS $lang" ;; esac fi done LINGUAS="$XLINGUAS" AC_MSG_RESULT($LINGUAS) fi dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly dnl find the mkinstalldirs script in another subdir but $(top_srcdir). dnl Try to locate is. MKINSTALLDIRS= if test -n "$ac_aux_dir"; then MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs" fi if test -z "$MKINSTALLDIRS"; then MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs" fi AC_SUBST(MKINSTALLDIRS) dnl Enable libtool support if the surrounding package wishes it. INTL_LIBTOOL_SUFFIX_PREFIX=ifelse([$1], use-libtool, [l], []) AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX) ]) AC_DEFUN(gcc_AC_INITFINI_ARRAY, [AC_ARG_ENABLE(initfini-array, [ --enable-initfini-array use .init_array/.fini_array sections], [], [ AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support, gcc_cv_initfini_array, [dnl AC_TRY_RUN([ static int x = -1; int main (void) { return x; } int foo (void) { x = 0; } int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;], [gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no], [gcc_cv_initfini_array=no])]) enable_initfini_array=$gcc_cv_initfini_array ]) if test $enable_initfini_array = yes; then AC_DEFINE(HAVE_INITFINI_ARRAY, 1, [Define .init_array/.fini_array sections are available and working.]) fi]) dnl # _gcc_COMPUTE_GAS_VERSION dnl # Used by gcc_GAS_VERSION_GTE_IFELSE dnl # dnl # WARNING: dnl # gcc_cv_as_gas_srcdir must be defined before this. dnl # This gross requirement will go away eventually. AC_DEFUN([_gcc_COMPUTE_GAS_VERSION], [gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd for f in $gcc_cv_as_bfd_srcdir/configure \ $gcc_cv_as_gas_srcdir/configure \ $gcc_cv_as_gas_srcdir/configure.in \ $gcc_cv_as_gas_srcdir/Makefile.in ; do gcc_cv_gas_version=`grep '^VERSION=[[0-9]]*\.[[0-9]]*' $f` if test x$gcc_cv_gas_version != x; then break fi done gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([[0-9]]*\)"` gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[[0-9]]*\.\([[0-9]]*\)"` gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)"` ]) []dnl # _gcc_COMPUTE_GAS_VERSION dnl # gcc_GAS_VERSION_GTE_IFELSE(major, minor, patchlevel, dnl # [command_if_true = :], [command_if_false = :]) dnl # Check to see if the version of GAS is greater than or dnl # equal to the specified version. dnl # dnl # The first ifelse() shortens the shell code if the patchlevel dnl # is unimportant (the usual case). The others handle missing dnl # commands. Note that the tests are structured so that the most dnl # common version number cases are tested first. AC_DEFUN([gcc_GAS_VERSION_GTE_IFELSE], [AC_REQUIRE([_gcc_COMPUTE_GAS_VERSION]) []dnl ifelse([$3],[0], [if test $gcc_cv_gas_major_version -eq $1 \ && test $gcc_cv_gas_minor_version -ge $2 \ || test $gcc_cv_gas_major_version -gt $1 ; then ], [if test $gcc_cv_gas_major_version -eq $1 \ && (test $gcc_cv_gas_minor_version -gt $2 \ || (test $gcc_cv_gas_minor_version -eq $2 \ && test $gcc_cv_gas_patch_version -ge $3 )) \ || test $gcc_cv_gas_major_version -gt $1 ; then ]) ifelse([$4],[],[:],[$4]) ifelse([$5],[],[],[else $5]) fi ]) []dnl # gcc_GAS_VERSION_GTE_IFELSE