mirror of
https://github.com/partic2/libffi
synced 2026-11-10 18:17:19 +00:00
Update to rc4. Upgrade autoconf version.
This commit is contained in:
Anthony Green
@@ -1,92 +0,0 @@
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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([AC_FUNC_MMAP_BLACKLIST],
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[
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AC_CHECK_HEADER([sys/mman.h],
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[libffi_header_sys_mman_h=yes], [libffi_header_sys_mman_h=no])
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AC_CHECK_FUNC([mmap], [libffi_func_mmap=yes], [libffi_func_mmap=no])
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if test "$libffi_header_sys_mman_h" != yes \
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|| test "$libffi_func_mmap" != yes; then
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ac_cv_func_mmap_file=no
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ac_cv_func_mmap_dev_zero=no
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ac_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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ac_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 "$host_os" in
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vms* | ultrix*)
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ac_cv_func_mmap_file=no ;;
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*)
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ac_cv_func_mmap_file=yes;;
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esac])
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AC_CACHE_CHECK([whether mmap from /dev/zero works],
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ac_cv_func_mmap_dev_zero,
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[# Add a system to this blacklist if it has mmap() but /dev/zero
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# does not exist, or if mmapping /dev/zero does not give anonymous
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# zeroed pages with both the following properties:
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# 1. If you map N consecutive pages in with one call, and then
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# unmap any subset of those pages, the pages that were not
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# explicitly unmapped remain accessible.
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# 2. If you map two adjacent blocks of memory and then unmap them
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# both at once, they must both go away.
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# Systems known to be in this category are Windows (all variants),
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# VMS, and Darwin.
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case "$host_os" in
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vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
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ac_cv_func_mmap_dev_zero=no ;;
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*)
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ac_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)], ac_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 <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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ac_cv_decl_map_anon=yes,
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ac_cv_decl_map_anon=no)])
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if test $ac_cv_decl_map_anon = no; then
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ac_cv_func_mmap_anon=no
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else
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AC_CACHE_CHECK([whether mmap with MAP_ANON(YMOUS) works],
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ac_cv_func_mmap_anon,
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[# Add a system to this blacklist if it has mmap() and MAP_ANON or
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# MAP_ANONYMOUS, but using mmap(..., MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
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# doesn't give anonymous zeroed pages with the same properties listed
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# above for use of /dev/zero.
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# Systems known to be in this category are Windows, VMS, and SCO Unix.
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case "$host_os" in
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vms* | cygwin* | pe | mingw* | sco* | udk* )
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ac_cv_func_mmap_anon=no ;;
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*)
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ac_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 $ac_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 $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 of /dev/zero works.])
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fi
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if test $ac_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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Vendored
-2016
File diff suppressed because it is too large
Load Diff
Vendored
+10
-10
@@ -1,6 +1,6 @@
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#! /bin/sh
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# Guess values for system-dependent variables and create Makefiles.
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# Generated by GNU Autoconf 2.68 for libffi 3.0.11-rc3.
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# Generated by GNU Autoconf 2.68 for libffi 3.0.11-rc4.
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#
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# Report bugs to <http://github.com/atgreen/libffi/issues>.
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#
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@@ -570,8 +570,8 @@ MAKEFLAGS=
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# Identity of this package.
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PACKAGE_NAME='libffi'
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PACKAGE_TARNAME='libffi'
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PACKAGE_VERSION='3.0.11-rc3'
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PACKAGE_STRING='libffi 3.0.11-rc3'
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PACKAGE_VERSION='3.0.11-rc4'
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PACKAGE_STRING='libffi 3.0.11-rc4'
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PACKAGE_BUGREPORT='http://github.com/atgreen/libffi/issues'
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PACKAGE_URL=''
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@@ -1375,7 +1375,7 @@ if test "$ac_init_help" = "long"; then
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# Omit some internal or obsolete options to make the list less imposing.
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# This message is too long to be a string in the A/UX 3.1 sh.
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cat <<_ACEOF
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\`configure' configures libffi 3.0.11-rc3 to adapt to many kinds of systems.
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\`configure' configures libffi 3.0.11-rc4 to adapt to many kinds of systems.
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Usage: $0 [OPTION]... [VAR=VALUE]...
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@@ -1446,7 +1446,7 @@ fi
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if test -n "$ac_init_help"; then
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case $ac_init_help in
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short | recursive ) echo "Configuration of libffi 3.0.11-rc3:";;
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short | recursive ) echo "Configuration of libffi 3.0.11-rc4:";;
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esac
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cat <<\_ACEOF
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@@ -1562,7 +1562,7 @@ fi
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test -n "$ac_init_help" && exit $ac_status
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if $ac_init_version; then
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cat <<\_ACEOF
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libffi configure 3.0.11-rc3
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libffi configure 3.0.11-rc4
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generated by GNU Autoconf 2.68
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Copyright (C) 2010 Free Software Foundation, Inc.
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@@ -2163,7 +2163,7 @@ cat >config.log <<_ACEOF
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This file contains any messages produced by compilers while
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running configure, to aid debugging if configure makes a mistake.
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It was created by libffi $as_me 3.0.11-rc3, which was
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It was created by libffi $as_me 3.0.11-rc4, which was
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generated by GNU Autoconf 2.68. Invocation command line was
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$ $0 $@
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@@ -3197,7 +3197,7 @@ fi
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# Define the identity of the package.
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PACKAGE='libffi'
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VERSION='3.0.11-rc3'
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VERSION='3.0.11-rc4'
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cat >>confdefs.h <<_ACEOF
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@@ -15254,7 +15254,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
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# report actual input values of CONFIG_FILES etc. instead of their
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# values after options handling.
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ac_log="
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This file was extended by libffi $as_me 3.0.11-rc3, which was
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This file was extended by libffi $as_me 3.0.11-rc4, which was
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generated by GNU Autoconf 2.68. Invocation command line was
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CONFIG_FILES = $CONFIG_FILES
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@@ -15324,7 +15324,7 @@ _ACEOF
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cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
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ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
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ac_cs_version="\\
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libffi config.status 3.0.11-rc3
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libffi config.status 3.0.11-rc4
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configured by $0, generated by GNU Autoconf 2.68,
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with options \\"\$ac_cs_config\\"
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