Ensure that users don't include ffitarget.h directly
This commit is contained in:
Anthony Green
@@ -394,7 +394,6 @@ psdir = @psdir@
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sbindir = @sbindir@
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sharedstatedir = @sharedstatedir@
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srcdir = @srcdir@
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sys_symbol_underscore = @sys_symbol_underscore@
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sysconfdir = @sysconfdir@
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target = @target@
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target_alias = @target_alias@
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@@ -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 $ac_cv_func_mmap_anon = yes; then
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AC_DEFINE(HAVE_MMAP_ANON, 1,
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[Define if mmap with MAP_ANON(YMOUS) works.])
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fi
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])
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11
.pc/autoconf-archive-update/configure
vendored
11
.pc/autoconf-archive-update/configure
vendored
@@ -12181,6 +12181,15 @@ case "$host" in
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x86_64-*-cygwin* | x86_64-*-mingw*)
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TARGET=X86_WIN64; TARGETDIR=x86
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# All mingw/cygwin/win32 builds require -no-undefined for sharedlib.
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# We must also check with_cross_host to decide if this is a native
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# or cross-build and select where to install dlls appropriately.
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if test -n "$with_cross_host" &&
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test x"$with_cross_host" != x"no"; then
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AM_LTLDFLAGS='-no-undefined -bindir "$(toolexeclibdir)"';
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else
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AM_LTLDFLAGS='-no-undefined -bindir "$(bindir)"';
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fi
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;;
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x86_64-*-*)
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@@ -13310,7 +13319,7 @@ case "$target" in
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$as_echo "#define FFI_EXEC_TRAMPOLINE_TABLE 1" >>confdefs.h
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;;
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*-apple-darwin1[10]* | *-*-freebsd* | *-*-kfreebsd* | *-*-openbsd* | *-pc-solaris*)
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*-apple-darwin1[10]* | *-*-freebsd* | *-*-openbsd* | *-pc-solaris*)
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$as_echo "#define FFI_MMAP_EXEC_WRIT 1" >>confdefs.h
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@@ -107,7 +107,6 @@ ECHO_N = @ECHO_N@
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ECHO_T = @ECHO_T@
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EGREP = @EGREP@
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EXEEXT = @EXEEXT@
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FFI_EXEC_TRAMPOLINE_TABLE = @FFI_EXEC_TRAMPOLINE_TABLE@
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FGREP = @FGREP@
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GREP = @GREP@
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HAVE_LONG_DOUBLE = @HAVE_LONG_DOUBLE@
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@@ -197,7 +196,6 @@ psdir = @psdir@
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sbindir = @sbindir@
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sharedstatedir = @sharedstatedir@
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srcdir = @srcdir@
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sys_symbol_underscore = @sys_symbol_underscore@
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sysconfdir = @sysconfdir@
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target = @target@
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target_alias = @target_alias@
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@@ -1,70 +0,0 @@
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_configure_args.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_CONFIGURE_ARGS
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#
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# DESCRIPTION
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#
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# Helper macro for AX_ENABLE_BUILDDIR.
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#
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# The traditional way of starting a subdir-configure is running the script
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# with ${1+"$@"} but since autoconf 2.60 this is broken. Instead we have
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# to rely on eval'ing $ac_configure_args however some old autoconf
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# versions do not provide that. To ensure maximum portability of autoconf
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# extension macros this helper can be AC_REQUIRE'd so that
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# $ac_configure_args will alsways be present.
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#
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# Sadly, the traditional "exec $SHELL" of the enable_builddir macros is
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# spoiled now and must be replaced by "eval + exit $?".
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#
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# Example:
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#
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# AC_DEFUN([AX_ENABLE_SUBDIR],[dnl
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# AC_REQUIRE([AX_CONFIGURE_ARGS])dnl
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# eval $SHELL $ac_configure_args || exit $?
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# ...])
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#
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# LICENSE
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#
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# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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||||
# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 9
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AC_DEFUN([AX_CONFIGURE_ARGS],[
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# [$]@ is unsable in 2.60+ but earlier autoconf had no ac_configure_args
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if test "${ac_configure_args+set}" != "set" ; then
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ac_configure_args=
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for ac_arg in ${1+"[$]@"}; do
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ac_configure_args="$ac_configure_args '$ac_arg'"
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done
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fi
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])
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@@ -1,79 +0,0 @@
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_gcc_x86_cpuid.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_GCC_X86_CPUID(OP)
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#
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# DESCRIPTION
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#
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# On Pentium and later x86 processors, with gcc or a compiler that has a
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# compatible syntax for inline assembly instructions, run a small program
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# that executes the cpuid instruction with input OP. This can be used to
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# detect the CPU type.
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#
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# On output, the values of the eax, ebx, ecx, and edx registers are stored
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# as hexadecimal strings as "eax:ebx:ecx:edx" in the cache variable
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# ax_cv_gcc_x86_cpuid_OP.
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#
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# If the cpuid instruction fails (because you are running a
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# cross-compiler, or because you are not using gcc, or because you are on
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# a processor that doesn't have this instruction), ax_cv_gcc_x86_cpuid_OP
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# is set to the string "unknown".
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#
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# This macro mainly exists to be used in AX_GCC_ARCHFLAG.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
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# Copyright (c) 2008 Matteo Frigo
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
|
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
|
||||
#
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||||
# This special exception to the GPL applies to versions of the Autoconf
|
||||
# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 7
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AC_DEFUN([AX_GCC_X86_CPUID],
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[AC_REQUIRE([AC_PROG_CC])
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AC_LANG_PUSH([C])
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AC_CACHE_CHECK(for x86 cpuid $1 output, ax_cv_gcc_x86_cpuid_$1,
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[AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>], [
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int op = $1, eax, ebx, ecx, edx;
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FILE *f;
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__asm__("cpuid"
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: "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
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: "a" (op));
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f = fopen("conftest_cpuid", "w"); if (!f) return 1;
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fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
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fclose(f);
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return 0;
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])],
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[ax_cv_gcc_x86_cpuid_$1=`cat conftest_cpuid`; rm -f conftest_cpuid],
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[ax_cv_gcc_x86_cpuid_$1=unknown; rm -f conftest_cpuid],
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[ax_cv_gcc_x86_cpuid_$1=unknown])])
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AC_LANG_POP([C])
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])
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@@ -105,7 +105,6 @@ ECHO_N = @ECHO_N@
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ECHO_T = @ECHO_T@
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EGREP = @EGREP@
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EXEEXT = @EXEEXT@
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FFI_EXEC_TRAMPOLINE_TABLE = @FFI_EXEC_TRAMPOLINE_TABLE@
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FGREP = @FGREP@
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GREP = @GREP@
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HAVE_LONG_DOUBLE = @HAVE_LONG_DOUBLE@
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@@ -195,7 +194,6 @@ psdir = @psdir@
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sbindir = @sbindir@
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sharedstatedir = @sharedstatedir@
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srcdir = @srcdir@
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sys_symbol_underscore = @sys_symbol_underscore@
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sysconfdir = @sysconfdir@
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target = @target@
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target_alias = @target_alias@
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@@ -208,8 +206,8 @@ top_build_prefix = @top_build_prefix@
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top_builddir = @top_builddir@
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top_srcdir = @top_srcdir@
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AUTOMAKE_OPTIONS = foreign
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EXTRA_DIST = ffi.3 ffi_call.3 ffi_prep_cif.3 ffi_prep_cif_var.3
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man_MANS = ffi.3 ffi_call.3 ffi_prep_cif.3 ffi_prep_cif_var.3
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EXTRA_DIST = ffi.3 ffi_call.3 ffi_prep_cif.3
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man_MANS = ffi.3 ffi_call.3 ffi_prep_cif.3
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all: all-am
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.SUFFIXES:
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@@ -82,7 +82,6 @@ ECHO_N = @ECHO_N@
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ECHO_T = @ECHO_T@
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EGREP = @EGREP@
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EXEEXT = @EXEEXT@
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FFI_EXEC_TRAMPOLINE_TABLE = @FFI_EXEC_TRAMPOLINE_TABLE@
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FGREP = @FGREP@
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GREP = @GREP@
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HAVE_LONG_DOUBLE = @HAVE_LONG_DOUBLE@
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@@ -172,7 +171,6 @@ psdir = @psdir@
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sbindir = @sbindir@
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sharedstatedir = @sharedstatedir@
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srcdir = @srcdir@
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sys_symbol_underscore = @sys_symbol_underscore@
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sysconfdir = @sysconfdir@
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||||
target = @target@
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||||
target_alias = @target_alias@
|
||||
|
||||
Reference in New Issue
Block a user