re PR bootstrap/3163 ([3.3 Only] gcc/aclocal.m4 mmap test fails on UnixWare 7.1.1)
PR bootstrap/3163 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE, AC_FUNC_MMAP_FILE): Delete. (gcc_AC_FUNC_MMAP_BLACKLIST): New. * configure.in: Check for sys/mman.h and mmap in AC_CHECK_HEADERS and AC_CHECK_FUNCS lists, respectively. Use gcc_AC_FUNC_MMAP_BLACKLIST, not AC_FUNC_MMAP_ANYWHERE nor AC_FUNC_MMAP_FILE. * configure, config.in: Regenerate. From-SVN: r67467
This commit is contained in:
Zack Weinberg
parent
88d5a16e0b
commit
1072ec3fdc
@ -1,3 +1,14 @@
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2003-06-04 Zack Weinberg <zack@codesourcery.com>
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PR bootstrap/3163
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* aclocal.m4 (AC_FUNC_MMAP_ANYWHERE, AC_FUNC_MMAP_FILE): Delete.
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(gcc_AC_FUNC_MMAP_BLACKLIST): New.
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* configure.in: Check for sys/mman.h and mmap in AC_CHECK_HEADERS
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and AC_CHECK_FUNCS lists, respectively. Use
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gcc_AC_FUNC_MMAP_BLACKLIST, not AC_FUNC_MMAP_ANYWHERE nor
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AC_FUNC_MMAP_FILE.
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* configure, config.in: Regenerate.
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2003-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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* arm/aout.h (ASM_OUTPUT_SKIP): Fix cast for format specifier warning.
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@ -9,8 +20,8 @@
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2003-06-04 Richard Henderson <rth@redhat.com>
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* cse.c (find_best_addr): Consider binary operators even if second
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argument is not CONST_INT.
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* cse.c (find_best_addr): Consider binary operators even if second
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argument is not CONST_INT.
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2003-06-04 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
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@ -72,8 +83,8 @@
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2003-06-04 Aldy Hernandez <aldyh@redhat.com>
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* config/rs6000/rs6000.c (rs6000_complex_function_value): Unpack
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complex numbers <= 32 bits into two registers.
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* config/rs6000/rs6000.c (rs6000_complex_function_value): Unpack
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complex numbers <= 32 bits into two registers.
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2003-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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@ -113,15 +124,15 @@
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2003-06-04 Richard Henderson <rth@redhat.com>
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* c-common.c (handle_cleanup_attribute): New.
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(c_common_attributes): Add it.
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* c-decl.c (finish_decl): Honor the cleanup attribute.
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* doc/extend.texi (Variable Attributes): Document it.
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* c-common.c (handle_cleanup_attribute): New.
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(c_common_attributes): Add it.
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* c-decl.c (finish_decl): Honor the cleanup attribute.
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* doc/extend.texi (Variable Attributes): Document it.
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* unwind-c.c: New file.
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* Makefile.in (LIB2ADDEH): Add it.
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* config/t-darwin, config/t-linux, config/t-linux-gnulibc1,
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config/ia64/t-ia64: Likewise.
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* unwind-c.c: New file.
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* Makefile.in (LIB2ADDEH): Add it.
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* config/t-darwin, config/t-linux, config/t-linux-gnulibc1,
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config/ia64/t-ia64: Likewise.
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2003-06-04 Jakub Jelinek <jakub@redhat.com>
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@ -493,27 +504,27 @@ Wed Jun 4 09:49:21 CEST 2003 Jan Hubicka <jh@suse.cz>
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2003-06-03 Aldy Hernandez <aldyh@redhat.com>
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* function.c (assign_parms): Split complex arguments.
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* function.c (assign_parms): Split complex arguments.
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* doc/tm.texi (SPLIT_COMPLEX_ARGS): Document.
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* doc/tm.texi (SPLIT_COMPLEX_ARGS): Document.
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* expr.h (SPLIT_COMPLEX_ARGS): Define.
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(split_complex_types): Protoize.
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(split_complex_values): Protoize.
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* expr.h (SPLIT_COMPLEX_ARGS): Define.
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(split_complex_types): Protoize.
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(split_complex_values): Protoize.
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* calls.c (expand_call): Split complex arguments on architectures
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that require it.
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(split_complex_values): New.
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(split_complex_types): New.
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* calls.c (expand_call): Split complex arguments on architectures
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that require it.
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(split_complex_values): New.
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(split_complex_types): New.
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* config/rs6000/rs6000.c (rs6000_libcall_value): New.
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(rs6000_function_value): Handle complex values on AIX.
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(rs6000_complex_function_value): New.
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* config/rs6000/rs6000.c (rs6000_libcall_value): New.
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(rs6000_function_value): Handle complex values on AIX.
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(rs6000_complex_function_value): New.
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* config/rs6000/rs6000-protos.h (rs6000_libcall_value): Protoize.
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* config/rs6000/rs6000-protos.h (rs6000_libcall_value): Protoize.
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* config/rs6000/rs6000.h (LIBCALL_VALUE): Call function.
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(SPLIT_COMPLEX_ARGS): New.
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* config/rs6000/rs6000.h (LIBCALL_VALUE): Call function.
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(SPLIT_COMPLEX_ARGS): New.
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2003-06-03 Jakub Jelinek <jakub@redhat.com>
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@ -626,7 +637,7 @@ Wed Jun 4 09:49:21 CEST 2003 Jan Hubicka <jh@suse.cz>
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2003-06-02 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
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* gcc/config.gcc Add support multilib parts for m32rx processor.
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* gcc/config.gcc Add support multilib parts for m32rx processor.
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2003-06-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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420
gcc/aclocal.m4
vendored
420
gcc/aclocal.m4
vendored
@ -398,357 +398,93 @@ fi
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AC_SUBST($1)dnl
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])
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# Check whether mmap can map an arbitrary page from /dev/zero or with
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# MAP_ANONYMOUS, without MAP_FIXED.
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AC_DEFUN([AC_FUNC_MMAP_ANYWHERE],
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[AC_CHECK_FUNCS(getpagesize)
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# The test program for the next two tests is the same except for one
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# set of ifdefs.
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changequote({{{,}}})dnl
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{{{cat >ct-mmap.inc <<'EOF'
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#include <sys/types.h>
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# mmap(2) blacklisting. Some platforms provide the mmap library routine
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# but don't support all of the features we need from it.
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AC_DEFUN([gcc_AC_FUNC_MMAP_BLACKLIST],
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[if test $ac_cv_header_sys_mman_h != yes \
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|| test $ac_cv_func_mmap != yes; then
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gcc_cv_func_mmap_file=no
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gcc_cv_func_mmap_dev_zero=no
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gcc_cv_func_mmap_anon=no
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else
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AC_CACHE_CHECK([whether read-only mmap of a plain file works],
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gcc_cv_func_mmap_file,
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[# Add a system to this blacklist if
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# mmap(0, stat_size, PROT_READ, MAP_PRIVATE, fd, 0) doesn't return a
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# memory area containing the same data that you'd get if you applied
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# read() to the same fd. The only system known to have a problem here
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# is VMS, where text files have record structure.
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case "$host_os" in
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vms*)
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gcc_cv_func_mmap_file=no ;;
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*)
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gcc_cv_func_mmap_file=yes;;
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esac])
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AC_CACHE_CHECK([whether mmap from /dev/zero works],
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gcc_cv_func_mmap_dev_zero,
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[# Add a system to this blacklist if it has mmap() but /dev/zero
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# does not exist, or if mmapping /dev/zero does not give anonymous
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# zeroed pages with both the following properties:
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# 1. If you map N consecutive pages in with one call, and then
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# unmap any subset of those pages, the pages that were not
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# explicitly unmapped remain accessible.
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# 2. If you map two adjacent blocks of memory and then unmap them
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# both at once, they must both go away.
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# Systems known to be in this category are Windows (all variants),
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# VMS, and Darwin.
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case "$host_os" in
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vms* | cygwin* | pe | mingw* | darwin*)
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gcc_cv_func_mmap_dev_zero=no ;;
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*)
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gcc_cv_func_mmap_dev_zero=yes;;
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esac])
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# Unlike /dev/zero, the MAP_ANON(YMOUS) defines can be probed for.
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AC_CACHE_CHECK([for MAP_ANON(YMOUS)], gcc_cv_decl_map_anon,
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[AC_TRY_COMPILE(
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[#include <sys/types.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <setjmp.h>
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#include <stdio.h>
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#include <unistd.h>
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#if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
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# define MAP_ANONYMOUS MAP_ANON
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#ifndef MAP_ANONYMOUS
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#define MAP_ANONYMOUS MAP_ANON
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#endif
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],
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[int n = MAP_ANONYMOUS;],
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gcc_cv_decl_map_anon=yes,
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gcc_cv_decl_map_anon=no)])
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/* This mess was copied from the GNU getpagesize.h. */
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#ifndef HAVE_GETPAGESIZE
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# ifdef HAVE_UNISTD_H
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# include <unistd.h>
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# endif
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/* Assume that all systems that can run configure have sys/param.h. */
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# ifndef HAVE_SYS_PARAM_H
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# define HAVE_SYS_PARAM_H 1
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# endif
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# ifdef _SC_PAGESIZE
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# define getpagesize() sysconf(_SC_PAGESIZE)
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# else /* no _SC_PAGESIZE */
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# ifdef HAVE_SYS_PARAM_H
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# include <sys/param.h>
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# ifdef EXEC_PAGESIZE
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# define getpagesize() EXEC_PAGESIZE
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# else /* no EXEC_PAGESIZE */
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# ifdef NBPG
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# define getpagesize() NBPG * CLSIZE
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# ifndef CLSIZE
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# define CLSIZE 1
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# endif /* no CLSIZE */
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# else /* no NBPG */
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# ifdef NBPC
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# define getpagesize() NBPC
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# else /* no NBPC */
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# ifdef PAGESIZE
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# define getpagesize() PAGESIZE
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# endif /* PAGESIZE */
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# endif /* no NBPC */
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# endif /* no NBPG */
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# endif /* no EXEC_PAGESIZE */
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# else /* no HAVE_SYS_PARAM_H */
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# define getpagesize() 8192 /* punt totally */
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# endif /* no HAVE_SYS_PARAM_H */
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# endif /* no _SC_PAGESIZE */
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#endif /* no HAVE_GETPAGESIZE */
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#ifndef MAP_FAILED
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# define MAP_FAILED -1
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#endif
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#undef perror_exit
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#define perror_exit(str, val) \
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do { perror(str); exit(val); } while (0)
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/* Some versions of cygwin mmap require that munmap is called with the
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same parameters as mmap. GCC expects that this is not the case.
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Test for various forms of this problem. Warning - icky signal games. */
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static sigset_t unblock_sigsegv;
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static jmp_buf r;
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static size_t pg;
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static int devzero;
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static char *
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anonmap (size)
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size_t size;
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{
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#ifdef USE_MAP_ANON
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return (char *) mmap (0, size, PROT_READ|PROT_WRITE,
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MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
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#else
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return (char *) mmap (0, size, PROT_READ|PROT_WRITE,
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MAP_PRIVATE, devzero, 0);
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#endif
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}
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static void
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sigsegv (unused)
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int unused;
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{
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sigprocmask (SIG_UNBLOCK, &unblock_sigsegv, 0);
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longjmp (r, 1);
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}
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/* Basic functionality test. */
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void
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test_0 ()
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{
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char *x = anonmap (pg);
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if (x == (char *) MAP_FAILED)
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perror_exit("test 0 mmap", 2);
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*(int *)x += 1;
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if (munmap(x, pg) < 0)
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perror_exit("test 0 munmap", 3);
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}
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/* 1. If we map a 2-page region and unmap its second page, the first page
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must remain. */
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static void
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test_1 ()
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{
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char *x = anonmap (pg * 2);
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if (x == (char *)MAP_FAILED)
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perror_exit ("test 1 mmap", 4);
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signal (SIGSEGV, sigsegv);
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if (setjmp (r))
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perror_exit ("test 1 fault", 5);
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x[0] = 1;
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x[pg] = 1;
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if (munmap (x + pg, pg) < 0)
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perror_exit ("test 1 munmap 1", 6);
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x[0] = 2;
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if (setjmp (r) == 0)
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{
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x[pg] = 1;
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perror_exit ("test 1 no fault", 7);
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}
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if (munmap (x, pg) < 0)
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perror_exit ("test 1 munmap 2", 8);
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}
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/* 2. If we map a 2-page region and unmap its first page, the second
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page must remain. */
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static void
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test_2 ()
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{
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char *x = anonmap (pg * 2);
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if (x == (char *)MAP_FAILED)
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perror_exit ("test 2 mmap", 9);
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signal (SIGSEGV, sigsegv);
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if (setjmp (r))
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perror_exit ("test 2 fault", 10);
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x[0] = 1;
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x[pg] = 1;
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if (munmap (x, pg) < 0)
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perror_exit ("test 2 munmap 1", 11);
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x[pg] = 2;
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if (setjmp (r) == 0)
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{
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x[0] = 1;
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perror_exit ("test 2 no fault", 12);
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}
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if (munmap (x+pg, pg) < 0)
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perror_exit ("test 2 munmap 2", 13);
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}
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/* 3. If we map two adjacent 1-page regions and unmap them both with
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one munmap, both must go away.
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Getting two adjacent 1-page regions with two mmap calls is slightly
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tricky. All OS's tested skip over already-allocated blocks; therefore
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we have been careful to unmap all allocated regions in previous tests.
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HP/UX allocates pages backward in memory. No OS has yet been observed
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to be so perverse as to leave unmapped space between consecutive calls
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to mmap. */
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static void
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test_3 ()
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{
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char *x, *y, *z;
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x = anonmap (pg);
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if (x == (char *)MAP_FAILED)
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perror_exit ("test 3 mmap 1", 14);
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y = anonmap (pg);
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if (y == (char *)MAP_FAILED)
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perror_exit ("test 3 mmap 2", 15);
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if (y != x + pg)
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{
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if (y == x - pg)
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z = y, y = x, x = z;
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else
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{
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fprintf (stderr, "test 3 nonconsecutive pages - %lx, %lx\n",
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(unsigned long)x, (unsigned long)y);
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exit (16);
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}
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}
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signal (SIGSEGV, sigsegv);
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if (setjmp (r))
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perror_exit ("test 3 fault", 17);
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x[0] = 1;
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y[0] = 1;
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if (munmap (x, pg*2) < 0)
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perror_exit ("test 3 munmap", 18);
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if (setjmp (r) == 0)
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{
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x[0] = 1;
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perror_exit ("test 3 no fault 1", 19);
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}
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signal (SIGSEGV, sigsegv);
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if (setjmp (r) == 0)
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{
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y[0] = 1;
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perror_exit ("test 3 no fault 2", 20);
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}
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}
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int
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main ()
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{
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sigemptyset (&unblock_sigsegv);
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sigaddset (&unblock_sigsegv, SIGSEGV);
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pg = getpagesize ();
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#ifndef USE_MAP_ANON
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devzero = open ("/dev/zero", O_RDWR);
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if (devzero < 0)
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perror_exit ("open /dev/zero", 1);
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#endif
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test_0();
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test_1();
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test_2();
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test_3();
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exit(0);
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}
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EOF}}}
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changequote([,])dnl
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AC_CACHE_CHECK(for working mmap from /dev/zero,
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ac_cv_func_mmap_dev_zero,
|
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[AC_TRY_RUN(
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[#include "ct-mmap.inc"],
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ac_cv_func_mmap_dev_zero=yes,
|
||||
[if test $? -lt 4
|
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then ac_cv_func_mmap_dev_zero=no
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else ac_cv_func_mmap_dev_zero=buggy
|
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fi],
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# When cross-building, assume that this works, unless we know it
|
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# doesn't. Of course, we have no way of knowing if there even is a /dev/zero
|
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# on the host, let alone whether mmap will work on it.
|
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[case "$host_os" in
|
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cygwin* | win32 | pe | mingw* ) ac_cv_func_mmap_dev_zero=buggy ;;
|
||||
darwin* ) ac_cv_func_mmap_dev_zero=no ;;
|
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* ) ac_cv_func_mmap_dev_zero=yes ;;
|
||||
esac])
|
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])
|
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if test $ac_cv_func_mmap_dev_zero = yes; then
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AC_DEFINE(HAVE_MMAP_DEV_ZERO, 1,
|
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[Define if mmap can get us zeroed pages from /dev/zero.])
|
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if test $gcc_cv_decl_map_anon = no; then
|
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gcc_cv_func_mmap_anon=no
|
||||
else
|
||||
AC_CACHE_CHECK([whether mmap with MAP_ANON(YMOUS) works],
|
||||
gcc_cv_func_mmap_anon,
|
||||
[# Add a system to this blacklist if it has mmap() and MAP_ANON or
|
||||
# MAP_ANONYMOUS, but using mmap(..., MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
|
||||
# doesn't give anonymous zeroed pages with the same properties listed
|
||||
# above for use of /dev/zero.
|
||||
# Systems known to be in this category are Windows, VMS, and SCO Unix.
|
||||
case "$host_os" in
|
||||
vms* | cygwin* | pe | mingw* | sco* | udk* )
|
||||
gcc_cv_func_mmap_anon=no ;;
|
||||
*)
|
||||
gcc_cv_func_mmap_anon=yes;;
|
||||
esac])
|
||||
fi
|
||||
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$$
|
||||
|
||||
AC_TRY_RUN([
|
||||
/* Test by Zack Weinberg. Modified from MMAP_ANYWHERE test by
|
||||
Richard Henderson and Alexandre Oliva.
|
||||
Check whether read-only mmap of a plain file works. */
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/mman.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
char *x;
|
||||
int fd;
|
||||
struct stat st;
|
||||
|
||||
fd = open("conftestdata$$", 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
|
||||
if test $gcc_cv_func_mmap_file = yes; then
|
||||
AC_DEFINE(HAVE_MMAP_FILE, 1,
|
||||
[Define if read-only mmap of a plain file works.])
|
||||
fi
|
||||
if test $gcc_cv_func_mmap_dev_zero = yes; then
|
||||
AC_DEFINE(HAVE_MMAP_DEV_ZERO, 1,
|
||||
[Define if mmap of /dev/zero works.])
|
||||
fi
|
||||
if test $gcc_cv_func_mmap_anon = yes; then
|
||||
AC_DEFINE(HAVE_MMAP_ANON, 1,
|
||||
[Define if mmap with MAP_ANON(YMOUS) works.])
|
||||
fi
|
||||
])
|
||||
|
||||
dnl Locate a program and check that its version is acceptable.
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* config.in. Generated automatically from configure.in by autoheader. */
|
||||
/* config.in. Generated automatically from configure.in by autoheader 2.13. */
|
||||
|
||||
/* Define if using alloca.c. */
|
||||
#undef C_ALLOCA
|
||||
@ -141,9 +141,6 @@
|
||||
/* Define if you have the getgid function. */
|
||||
#undef HAVE_GETGID
|
||||
|
||||
/* Define if you have the getpagesize function. */
|
||||
#undef HAVE_GETPAGESIZE
|
||||
|
||||
/* Define if you have the getrlimit function. */
|
||||
#undef HAVE_GETRLIMIT
|
||||
|
||||
@ -168,6 +165,9 @@
|
||||
/* Define if you have the mempcpy function. */
|
||||
#undef HAVE_MEMPCPY
|
||||
|
||||
/* Define if you have the mmap function. */
|
||||
#undef HAVE_MMAP
|
||||
|
||||
/* Define if you have the munmap function. */
|
||||
#undef HAVE_MUNMAP
|
||||
|
||||
@ -264,6 +264,9 @@
|
||||
/* Define if you have the <sys/file.h> header file. */
|
||||
#undef HAVE_SYS_FILE_H
|
||||
|
||||
/* Define if you have the <sys/mman.h> header file. */
|
||||
#undef HAVE_SYS_MMAN_H
|
||||
|
||||
/* Define if you have the <sys/param.h> header file. */
|
||||
#undef HAVE_SYS_PARAM_H
|
||||
|
||||
@ -362,12 +365,6 @@
|
||||
/* Define if valgrind's memcheck.h header is installed. */
|
||||
#undef HAVE_MEMCHECK_H
|
||||
|
||||
/* Define if you want to use __cxa_atexit, rather than atexit, to
|
||||
register C++ destructors for local statics and global objects.
|
||||
This is essential for fully standards-compliant handling of
|
||||
destructors, but requires __cxa_atexit in libc. */
|
||||
#undef DEFAULT_USE_CXA_ATEXIT
|
||||
|
||||
/* Define if you want the C and C++ compilers to support multibyte
|
||||
character sets for source code. */
|
||||
#undef MULTIBYTE_CHARS
|
||||
@ -404,15 +401,15 @@
|
||||
/* Define if printf supports %p. */
|
||||
#undef HAVE_PRINTF_PTR
|
||||
|
||||
/* Define if mmap can get us zeroed pages from /dev/zero. */
|
||||
#undef HAVE_MMAP_DEV_ZERO
|
||||
|
||||
/* Define if mmap can get us zeroed pages using MAP_ANON(YMOUS). */
|
||||
#undef HAVE_MMAP_ANON
|
||||
|
||||
/* Define if read-only mmap of a plain file works. */
|
||||
#undef HAVE_MMAP_FILE
|
||||
|
||||
/* Define if mmap of /dev/zero works. */
|
||||
#undef HAVE_MMAP_DEV_ZERO
|
||||
|
||||
/* Define if mmap with MAP_ANON(YMOUS) works. */
|
||||
#undef HAVE_MMAP_ANON
|
||||
|
||||
/* Define if you have the iconv() function. */
|
||||
#undef HAVE_ICONV
|
||||
|
||||
@ -527,6 +524,12 @@
|
||||
/* Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h). */
|
||||
#undef NEED_64BIT_HOST_WIDE_INT
|
||||
|
||||
/* Define if you want to use __cxa_atexit, rather than atexit, to
|
||||
register C++ destructors for local statics and global objects.
|
||||
This is essential for fully standards-compliant handling of
|
||||
destructors, but requires __cxa_atexit in libc. */
|
||||
#undef DEFAULT_USE_CXA_ATEXIT
|
||||
|
||||
/* Define to the name of a file containing a list of extra machine modes
|
||||
for this architecture. */
|
||||
#undef EXTRA_MODES_FILE
|
||||
|
||||
922
gcc/configure
vendored
922
gcc/configure
vendored
File diff suppressed because it is too large
Load Diff
@ -699,7 +699,7 @@ gcc_AC_HEADER_STDBOOL
|
||||
gcc_AC_HEADER_STRING
|
||||
AC_HEADER_SYS_WAIT
|
||||
AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
|
||||
fcntl.h unistd.h sys/file.h sys/time.h \
|
||||
fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \
|
||||
sys/resource.h sys/param.h sys/times.h sys/stat.h \
|
||||
direct.h malloc.h langinfo.h ldfcn.h wchar.h)
|
||||
|
||||
@ -800,7 +800,7 @@ dnl gcc_AC_C_ENUM_BF_UNSIGNED
|
||||
AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
|
||||
sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
|
||||
fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
|
||||
scandir alphasort gettimeofday mbstowcs wcswidth)
|
||||
scandir alphasort gettimeofday mbstowcs wcswidth mmap)
|
||||
|
||||
if test x$ac_cv_func_mbstowcs = xyes; then
|
||||
AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
|
||||
@ -843,6 +843,7 @@ fi
|
||||
AC_SUBST(TARGET_GETGROUPS_T)
|
||||
|
||||
gcc_AC_FUNC_PRINTF_PTR
|
||||
gcc_AC_FUNC_MMAP_BLACKLIST
|
||||
|
||||
case "${host}" in
|
||||
*-*-uwin*)
|
||||
@ -858,8 +859,6 @@ case "${host}" in
|
||||
;;
|
||||
esac
|
||||
AC_FUNC_VFORK
|
||||
AC_FUNC_MMAP_ANYWHERE
|
||||
AC_FUNC_MMAP_FILE
|
||||
|
||||
AM_ICONV
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user