diff options
Diffstat (limited to 'libiberty/configure')
-rwxr-xr-x | libiberty/configure | 454 |
1 files changed, 4 insertions, 450 deletions
diff --git a/libiberty/configure b/libiberty/configure index 5c4dda5..a94db6a 100755 --- a/libiberty/configure +++ b/libiberty/configure @@ -5112,10 +5112,6 @@ case "${host}" in ;; i[34567]86-*-mingw* | x86_64-*-mingw*) ;; - i[34567]86-*-interix[3-9]*) - # Interix 3.x gcc -fpic/-fPIC options generate broken code. - # Instead, we relocate shared libraries at runtime. - ;; i[34567]86-*-nto-qnx*) # QNX uses GNU C++, but need to define -shared option too, otherwise # it will coredump. @@ -5304,37 +5300,7 @@ $as_echo "#define TIME_WITH_SYS_TIME 1" >>confdefs.h fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether errno must be declared" >&5 -$as_echo_n "checking whether errno must be declared... " >&6; } -if test "${libiberty_cv_declare_errno+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#include <errno.h> -int -main () -{ -int x = errno; - ; - return 0; -} -_ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - libiberty_cv_declare_errno=no -else - libiberty_cv_declare_errno=yes -fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libiberty_cv_declare_errno" >&5 -$as_echo "$libiberty_cv_declare_errno" >&6; } -if test $libiberty_cv_declare_errno = yes -then -$as_echo "#define NEED_DECLARATION_ERRNO 1" >>confdefs.h - -fi - +libiberty_AC_DECLARE_ERRNO # Determine sizes of some types. # The cast to long int works around a bug in the HP C Compiler @@ -6403,92 +6369,7 @@ fi done - { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether alloca needs Cray hooks" >&5 -$as_echo_n "checking whether alloca needs Cray hooks... " >&6; } -if test "${ac_cv_os_cray+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -#if defined(CRAY) && ! defined(CRAY2) -webecray -#else -wenotbecray -#endif - -_ACEOF -if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | - $EGREP "webecray" >/dev/null 2>&1; then : - ac_cv_os_cray=yes -else - ac_cv_os_cray=no -fi -rm -f conftest* - -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_os_cray" >&5 -$as_echo "$ac_cv_os_cray" >&6; } -if test $ac_cv_os_cray = yes; then - for ac_func in _getb67 GETB67 getb67; do - as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` -ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" -eval as_val=\$$as_ac_var - if test "x$as_val" = x""yes; then : - -cat >>confdefs.h <<_ACEOF -#define CRAY_STACKSEG_END $ac_func -_ACEOF - break -fi - - done -fi - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5 -$as_echo_n "checking stack direction for C alloca... " >&6; } -if test "${ac_cv_c_stack_direction+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test "$cross_compiling" = yes; then : - ac_cv_c_stack_direction=0 -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -find_stack_direction () -{ - static char *addr = 0; - auto char dummy; - if (addr == 0) - { - addr = &dummy; - return find_stack_direction (); - } - else - return (&dummy > addr) ? 1 : -1; -} -main () -{ - exit (find_stack_direction() < 0); -} -_ACEOF -if ac_fn_c_try_run "$LINENO"; then : - ac_cv_c_stack_direction=1 -else - ac_cv_c_stack_direction=-1 -fi -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ - conftest.$ac_objext conftest.beam conftest.$ac_ext -fi - -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5 -$as_echo "$ac_cv_c_stack_direction" >&6; } - -cat >>confdefs.h <<_ACEOF -#define STACK_DIRECTION $ac_cv_c_stack_direction -_ACEOF - - + libiberty_AC_FUNC_C_ALLOCA for ac_header in vfork.h do : ac_fn_c_check_header_preproc "$LINENO" "vfork.h" "ac_cv_header_vfork_h" @@ -7004,53 +6885,7 @@ cat >>confdefs.h <<_ACEOF #define HAVE_DECL_STRVERSCMP $ac_have_decl _ACEOF - { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether canonicalize_file_name must be declared" >&5 -$as_echo_n "checking whether canonicalize_file_name must be declared... " >&6; } -if test "${libiberty_cv_decl_needed_canonicalize_file_name+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -#include "confdefs.h" -#include <stdio.h> -#ifdef HAVE_STRING_H -#include <string.h> -#else -#ifdef HAVE_STRINGS_H -#include <strings.h> -#endif -#endif -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -int -main () -{ -char *(*pfn) = (char *(*)) canonicalize_file_name - ; - return 0; -} -_ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - libiberty_cv_decl_needed_canonicalize_file_name=no -else - libiberty_cv_decl_needed_canonicalize_file_name=yes -fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -fi - -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libiberty_cv_decl_needed_canonicalize_file_name" >&5 -$as_echo "$libiberty_cv_decl_needed_canonicalize_file_name" >&6; } -if test $libiberty_cv_decl_needed_canonicalize_file_name = yes; then - -$as_echo "#define NEED_DECLARATION_CANONICALIZE_FILE_NAME 1" >>confdefs.h - -fi - + libiberty_NEED_DECLARATION(canonicalize_file_name) fi # Figure out which version of pexecute to use. @@ -7062,288 +6897,7 @@ case "${host}" in esac -if test x$gcc_no_link = xyes; then - if test "x${ac_cv_func_mmap_fixed_mapped+set}" != xset; then - ac_cv_func_mmap_fixed_mapped=no - fi -fi -if test "x${ac_cv_func_mmap_fixed_mapped}" != xno; then - for ac_header in stdlib.h unistd.h -do : - as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` -ac_fn_c_check_header_preproc "$LINENO" "$ac_header" "$as_ac_Header" -eval as_val=\$$as_ac_Header - if test "x$as_val" = x""yes; then : - cat >>confdefs.h <<_ACEOF -#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 -_ACEOF - -fi -done - -for ac_func in getpagesize -do : - ac_fn_c_check_func "$LINENO" "getpagesize" "ac_cv_func_getpagesize" -if test "x$ac_cv_func_getpagesize" = x""yes; then : - cat >>confdefs.h <<_ACEOF -#define HAVE_GETPAGESIZE 1 -_ACEOF - -fi -done - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working mmap" >&5 -$as_echo_n "checking for working mmap... " >&6; } -if test "${ac_cv_func_mmap_fixed_mapped+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test "$cross_compiling" = yes; then : - ac_cv_func_mmap_fixed_mapped=no -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -$ac_includes_default -/* malloc might have been renamed as rpl_malloc. */ -#undef malloc - -/* Thanks to Mike Haertel and Jim Avera for this test. - Here is a matrix of mmap possibilities: - mmap private not fixed - mmap private fixed at somewhere currently unmapped - mmap private fixed at somewhere already mapped - mmap shared not fixed - mmap shared fixed at somewhere currently unmapped - mmap shared fixed at somewhere already mapped - For private mappings, we should verify that changes cannot be read() - back from the file, nor mmap's back from the file at a different - address. (There have been systems where private was not correctly - implemented like the infamous i386 svr4.0, and systems where the - VM page cache was not coherent with the file system buffer cache - like early versions of FreeBSD and possibly contemporary NetBSD.) - For shared mappings, we should conversely verify that changes get - propagated back to all the places they're supposed to be. - - Grep wants private fixed already mapped. - The main things grep needs to know about mmap are: - * does it exist and is it safe to write into the mmap'd area - * how to use it (BSD variants) */ - -#include <fcntl.h> -#include <sys/mman.h> - -#if !defined STDC_HEADERS && !defined HAVE_STDLIB_H -char *malloc (); -#endif - -/* This mess was copied from the GNU getpagesize.h. */ -#ifndef HAVE_GETPAGESIZE -/* 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 <sys/param.h> -# 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 */ - -int -main () -{ - char *data, *data2, *data3; - int i, pagesize; - int fd; - - pagesize = getpagesize (); - - /* First, make a file with some known garbage in it. */ - data = (char *) malloc (pagesize); - if (!data) - return 1; - for (i = 0; i < pagesize; ++i) - *(data + i) = rand (); - umask (0); - fd = creat ("conftest.mmap", 0600); - if (fd < 0) - return 1; - if (write (fd, data, pagesize) != pagesize) - return 1; - close (fd); - - /* Next, try to mmap the file at a fixed address which already has - something else allocated at it. If we can, also make sure that - we see the same garbage. */ - fd = open ("conftest.mmap", O_RDWR); - if (fd < 0) - return 1; - data2 = (char *) malloc (2 * pagesize); - if (!data2) - return 1; - data2 += (pagesize - ((long int) data2 & (pagesize - 1))) & (pagesize - 1); - if (data2 != mmap (data2, pagesize, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_FIXED, fd, 0L)) - return 1; - for (i = 0; i < pagesize; ++i) - if (*(data + i) != *(data2 + i)) - return 1; - - /* Finally, make sure that changes to the mapped area do not - percolate back to the file as seen by read(). (This is a bug on - some variants of i386 svr4.0.) */ - for (i = 0; i < pagesize; ++i) - *(data2 + i) = *(data2 + i) + 1; - data3 = (char *) malloc (pagesize); - if (!data3) - return 1; - if (read (fd, data3, pagesize) != pagesize) - return 1; - for (i = 0; i < pagesize; ++i) - if (*(data + i) != *(data3 + i)) - return 1; - close (fd); - return 0; -} -_ACEOF -if ac_fn_c_try_run "$LINENO"; then : - ac_cv_func_mmap_fixed_mapped=yes -else - ac_cv_func_mmap_fixed_mapped=no -fi -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ - conftest.$ac_objext conftest.beam conftest.$ac_ext -fi - -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_mmap_fixed_mapped" >&5 -$as_echo "$ac_cv_func_mmap_fixed_mapped" >&6; } -if test $ac_cv_func_mmap_fixed_mapped = yes; then - -$as_echo "#define HAVE_MMAP 1" >>confdefs.h - -fi -rm -f conftest.mmap - -fi - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working strncmp" >&5 -$as_echo_n "checking for working strncmp... " >&6; } -if test "${ac_cv_func_strncmp_works+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test "$cross_compiling" = yes; then : - ac_cv_func_strncmp_works=yes -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -/* Test by Jim Wilson and Kaveh Ghazi. - Check whether strncmp reads past the end of its string parameters. */ -#include <sys/types.h> - -#ifdef HAVE_FCNTL_H -#include <fcntl.h> -#endif - -#ifdef HAVE_SYS_MMAN_H -#include <sys/mman.h> -#endif - -#ifndef MAP_ANON -#ifdef MAP_ANONYMOUS -#define MAP_ANON MAP_ANONYMOUS -#else -#define MAP_ANON MAP_FILE -#endif -#endif - -#ifndef MAP_FILE -#define MAP_FILE 0 -#endif -#ifndef O_RDONLY -#define O_RDONLY 0 -#endif - -#define MAP_LEN 0x10000 - -main () -{ -#if defined(HAVE_MMAP) || defined(HAVE_MMAP_ANYWHERE) - char *p; - int dev_zero; - - dev_zero = open ("/dev/zero", O_RDONLY); - if (dev_zero < 0) - exit (1); - - p = (char *) mmap (0, MAP_LEN, PROT_READ|PROT_WRITE, - MAP_ANON|MAP_PRIVATE, dev_zero, 0); - if (p == (char *)-1) - p = (char *) mmap (0, MAP_LEN, PROT_READ|PROT_WRITE, - MAP_ANON|MAP_PRIVATE, -1, 0); - if (p == (char *)-1) - exit (2); - else - { - char *string = "__si_type_info"; - char *q = (char *) p + MAP_LEN - strlen (string) - 2; - char *r = (char *) p + 0xe; - - strcpy (q, string); - strcpy (r, string); - strncmp (r, q, 14); - } -#endif /* HAVE_MMAP || HAVE_MMAP_ANYWHERE */ - exit (0); -} - -_ACEOF -if ac_fn_c_try_run "$LINENO"; then : - ac_cv_func_strncmp_works=yes -else - ac_cv_func_strncmp_works=no -fi -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ - conftest.$ac_objext conftest.beam conftest.$ac_ext -fi - -rm -f core core.* *.core -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_strncmp_works" >&5 -$as_echo "$ac_cv_func_strncmp_works" >&6; } -if test $ac_cv_func_strncmp_works = no ; then - case " $LIBOBJS " in - *" strncmp.$ac_objext "* ) ;; - *) LIBOBJS="$LIBOBJS strncmp.$ac_objext" - ;; -esac - -fi - +libiberty_AC_FUNC_STRNCMP # Install a library built with a cross compiler in $(tooldir) rather # than $(libdir). |