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mmap.m4: Use *vms* instead of vms*.
config/ 2012-04-03 Tristan Gingold <gingold@adacore.com> * mmap.m4: Use *vms* instead of vms*. gcc/ 2012-04-03 Tristan Gingold <gingold@adacore.com> * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead of gcc_AC_FUNC_MMAP_BLACKLIST. * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove. * Makefile.in (aclocal_deps): Add mmap.m4. * configure: Regenerate. * aclocal.m4: Regenerate. libitm/ 2012-04-03 Tristan Gingold <gingold@adacore.com> * configure: Regenerate. From-SVN: r186106
This commit is contained in:
Tristan Gingold
Tristan Gingold
parent
07b1bf209c
commit
2f6935f455
@ -1,3 +1,7 @@
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2012-04-03 Tristan Gingold <gingold@adacore.com>
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* mmap.m4: Use *vms* instead of vms*.
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2012-04-02 Tristan Gingold <gingold@adacore.com>
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* math.m4 (GCC_CHECK_MATH_FUNC): Remove if-present
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@ -24,7 +24,7 @@ else
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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 "$host_os" in
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vms* | ultrix*)
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*vms* | ultrix*)
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gcc_cv_func_mmap_file=no ;;
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*)
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gcc_cv_func_mmap_file=yes;;
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@ -42,7 +42,7 @@ else
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# Systems known to be in this category are Windows (all variants),
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# VMS, and Darwin.
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case "$host_os" in
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vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
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*vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
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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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@ -74,7 +74,7 @@ else
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# above for use of /dev/zero.
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# Systems known to be in this category are Windows, VMS, and SCO Unix.
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case "$host_os" in
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vms* | cygwin* | pe | mingw* | sco* | udk* )
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*vms* | cygwin* | pe | mingw* | sco* | udk* )
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gcc_cv_func_mmap_anon=no ;;
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*)
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gcc_cv_func_mmap_anon=yes;;
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@ -1,3 +1,12 @@
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2012-04-03 Tristan Gingold <gingold@adacore.com>
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* configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead
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of gcc_AC_FUNC_MMAP_BLACKLIST.
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* acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove.
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* Makefile.in (aclocal_deps): Add mmap.m4.
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* configure: Regenerate.
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* aclocal.m4: Regenerate.
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2012-04-03 Richard Guenther <rguenther@suse.de>
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PR tree-optimization/52808
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@ -1650,6 +1650,7 @@ aclocal_deps = \
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$(srcdir)/../config/unwind_ipinfo.m4 \
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$(srcdir)/../config/warnings.m4 \
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$(srcdir)/../config/dfp.m4 \
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$(srcdir)/../config/mmap.m4 \
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$(srcdir)/acinclude.m4
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$(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(srcdir)/aclocal.m4
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@ -221,99 +221,6 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
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AC_SUBST(INSTALL_DATA)dnl
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])
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# mmap(2) blacklisting. Some platforms provide the mmap library routine
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# but don't support all of the features we need from it.
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AC_DEFUN([gcc_AC_FUNC_MMAP_BLACKLIST],
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[
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AC_CHECK_HEADER([sys/mman.h],
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[gcc_header_sys_mman_h=yes], [gcc_header_sys_mman_h=no])
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AC_CHECK_FUNC([mmap], [gcc_func_mmap=yes], [gcc_func_mmap=no])
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if test "$gcc_header_sys_mman_h" != yes \
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|| test "$gcc_func_mmap" != yes; then
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gcc_cv_func_mmap_file=no
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gcc_cv_func_mmap_dev_zero=no
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gcc_cv_func_mmap_anon=no
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else
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AC_CACHE_CHECK([whether read-only mmap of a plain file works],
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gcc_cv_func_mmap_file,
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[# Add a system to this blacklist if
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# mmap(0, stat_size, PROT_READ, MAP_PRIVATE, fd, 0) doesn't return a
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# memory area containing the same data that you'd get if you applied
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# read() to the same fd. The only system known to have a problem here
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# is VMS, where text files have record structure.
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case "$host_os" in
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vms* | ultrix*)
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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* | ultrix* | hpux10* | hpux11.00)
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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_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[#include <sys/types.h>
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#include <sys/mman.h>
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#include <unistd.h>
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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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if test $gcc_cv_decl_map_anon = no; then
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gcc_cv_func_mmap_anon=no
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else
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AC_CACHE_CHECK([whether mmap with MAP_ANON(YMOUS) works],
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gcc_cv_func_mmap_anon,
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[# Add a system to this blacklist if it has mmap() and MAP_ANON or
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# MAP_ANONYMOUS, but using mmap(..., MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
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# doesn't give anonymous zeroed pages with the same properties listed
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# above for use of /dev/zero.
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# Systems known to be in this category are Windows, VMS, and SCO Unix.
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case "$host_os" in
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vms* | cygwin* | pe | mingw* | sco* | udk* )
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gcc_cv_func_mmap_anon=no ;;
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*)
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gcc_cv_func_mmap_anon=yes;;
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esac])
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fi
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fi
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if test $gcc_cv_func_mmap_file = yes; then
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AC_DEFINE(HAVE_MMAP_FILE, 1,
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[Define if read-only mmap of a plain file works.])
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fi
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if test $gcc_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 of /dev/zero works.])
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fi
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if test $gcc_cv_func_mmap_anon = yes; then
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AC_DEFINE(HAVE_MMAP_ANON, 1,
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[Define if mmap with MAP_ANON(YMOUS) works.])
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fi
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])
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dnl Determine if enumerated bitfields are unsigned. ISO C says they can
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dnl be either signed or unsigned.
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dnl
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1
gcc/aclocal.m4
vendored
1
gcc/aclocal.m4
vendored
@ -113,6 +113,7 @@ m4_include([../config/lcmessage.m4])
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m4_include([../config/lib-ld.m4])
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m4_include([../config/lib-link.m4])
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m4_include([../config/lib-prefix.m4])
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m4_include([../config/mmap.m4])
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m4_include([../config/override.m4])
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m4_include([../config/picflag.m4])
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m4_include([../config/progtest.m4])
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6
gcc/configure
vendored
6
gcc/configure
vendored
@ -9182,7 +9182,7 @@ else
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# read() to the same fd. The only system known to have a problem here
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# is VMS, where text files have record structure.
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case "$host_os" in
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vms* | ultrix*)
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*vms* | ultrix*)
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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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@ -9206,7 +9206,7 @@ else
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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 "$host_os" in
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vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
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*vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
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gcc_cv_func_mmap_dev_zero=no ;;
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*)
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gcc_cv_func_mmap_dev_zero=yes;;
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@ -9263,7 +9263,7 @@ else
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# above for use of /dev/zero.
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# Systems known to be in this category are Windows, VMS, and SCO Unix.
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case "$host_os" in
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vms* | cygwin* | pe | mingw* | sco* | udk* )
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*vms* | cygwin* | pe | mingw* | sco* | udk* )
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gcc_cv_func_mmap_anon=no ;;
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*)
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gcc_cv_func_mmap_anon=yes;;
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@ -1059,7 +1059,7 @@ fi
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AC_CHECK_TYPE(ssize_t, int)
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AC_CHECK_TYPE(caddr_t, char *)
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gcc_AC_FUNC_MMAP_BLACKLIST
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GCC_AC_FUNC_MMAP_BLACKLIST
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case "${host}" in
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*-*-*vms*)
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@ -1,3 +1,7 @@
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2012-04-03 Tristan Gingold <gingold@adacore.com>
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* configure: Regenerate.
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2012-03-31 H.J. Lu <hongjiu.lu@intel.com>
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PR bootstrap/52812
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6
libitm/configure
vendored
6
libitm/configure
vendored
@ -15794,7 +15794,7 @@ else
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# read() to the same fd. The only system known to have a problem here
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# is VMS, where text files have record structure.
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case "$host_os" in
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vms* | ultrix*)
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*vms* | ultrix*)
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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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@ -15818,7 +15818,7 @@ else
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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 "$host_os" in
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vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
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*vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
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gcc_cv_func_mmap_dev_zero=no ;;
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*)
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gcc_cv_func_mmap_dev_zero=yes;;
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@ -15875,7 +15875,7 @@ else
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# above for use of /dev/zero.
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# Systems known to be in this category are Windows, VMS, and SCO Unix.
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case "$host_os" in
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vms* | cygwin* | pe | mingw* | sco* | udk* )
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*vms* | cygwin* | pe | mingw* | sco* | udk* )
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gcc_cv_func_mmap_anon=no ;;
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*)
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gcc_cv_func_mmap_anon=yes;;
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