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Merge autoconf-archive macros from upstream.

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This commit is contained in:
Alexey Kopytov
2018-01-14 13:48:37 +03:00
parent aefee11a50
commit 4a8973e703
7 changed files with 54 additions and 41 deletions
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8
m4/ax_check_compile_flag.m4
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@ -1,5 +1,5 @@
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
# https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
# ===========================================================================
#
# SYNOPSIS
@ -40,7 +40,7 @@
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
@ -55,10 +55,10 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 4
#serial 5
AC_DEFUN([AX_CHECK_COMPILE_FLAG],
[
[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS

6
m4/ax_compiler_vendor.m4
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@ -1,5 +1,5 @@
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html
# https://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html
# ===========================================================================
#
# SYNOPSIS
@ -29,7 +29,7 @@
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
@ -44,7 +44,7 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 15
#serial 16
AC_DEFUN([AX_COMPILER_VENDOR],
[AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor,

6
m4/ax_gcc_archflag.m4
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@ -37,7 +37,7 @@
# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
# Copyright (c) 2008 Matteo Frigo
# Copyright (c) 2014 Tsukasa Oi
# Copyright (c) 2017 Alexey Kopytov
# Copyright (c) 2017-2018 Alexey Kopytov
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
@ -65,7 +65,7 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 20
#serial 21
AC_DEFUN([AX_GCC_ARCHFLAG],
[AC_REQUIRE([AC_PROG_CC])
@ -108,7 +108,7 @@ case $host_cpu in
*2?6[[ad]]?:*:*:*) ax_gcc_arch="sandybridge corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
*3?6[[ae]]?:*:*:*) ax_gcc_arch="ivybridge core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
*3?6[[cf]]?:*:*:*|*4?6[[56]]?:*:*:*) ax_gcc_arch="haswell core-avx2 core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
*3?6d?:*:*:*) ax_gcc_arch="broadwell core-avx2 core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
*3?6d?:*:*:*|*4?6[[7f]]?:*:*:*|*5?66?:*:*:*) ax_gcc_arch="broadwell core-avx2 core-avx-i corei7-avx corei7 core2 pentium-m pentium3 pentiumpro" ;;
*1?6c?:*:*:*|*2?6[[67]]?:*:*:*|*3?6[[56]]?:*:*:*) ax_gcc_arch="bonnell atom core2 pentium-m pentium3 pentiumpro" ;;
*3?67?:*:*:*|*[[45]]?6[[ad]]?:*:*:*) ax_gcc_arch="silvermont atom core2 pentium-m pentium3 pentiumpro" ;;
*000?f[[012]]?:*:*:*|?f[[012]]?:*:*:*|f[[012]]?:*:*:*) ax_gcc_arch="pentium4 pentiumpro" ;;

25
m4/ax_gcc_func_attribute.m4
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@ -1,5 +1,5 @@
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_gcc_func_attribute.html
# https://www.gnu.org/software/autoconf-archive/ax_gcc_func_attribute.html
# ===========================================================================
#
# SYNOPSIS
@ -38,6 +38,7 @@
# dllimport
# error
# externally_visible
# fallthrough
# flatten
# format
# format_arg
@ -53,6 +54,8 @@
# nothrow
# optimize
# pure
# sentinel
# sentinel_position
# unused
# used
# visibility
@ -61,9 +64,9 @@
# weak
# weakref
#
# Unsuppored function attributes will be tested with a prototype returning
# an int and not accepting any arguments and the result of the check might
# be wrong or meaningless so use with care.
# Unsupported function attributes will be tested with a prototype
# returning an int and not accepting any arguments and the result of the
# check might be wrong or meaningless so use with care.
#
# LICENSE
#
@ -74,7 +77,7 @@
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 3
#serial 9
AC_DEFUN([AX_GCC_FUNC_ATTRIBUTE], [
AS_VAR_PUSHDEF([ac_var], [ax_cv_have_func_attribute_$1])
@ -128,6 +131,9 @@ AC_DEFUN([AX_GCC_FUNC_ATTRIBUTE], [
[externally_visible], [
int foo( void ) __attribute__(($1));
],
[fallthrough], [
int foo( void ) {switch (0) { case 1: __attribute__(($1)); case 2: break ; }};
],
[flatten], [
int foo( void ) __attribute__(($1));
],
@ -175,6 +181,15 @@ AC_DEFUN([AX_GCC_FUNC_ATTRIBUTE], [
[pure], [
int foo( void ) __attribute__(($1));
],
[sentinel], [
int foo(void *p, ...) __attribute__(($1));
],
[sentinel_position], [
int foo(void *p, ...) __attribute__(($1(1)));
],
[returns_nonnull], [
void *foo( void ) __attribute__(($1));
],
[unused], [
int foo( void ) __attribute__(($1));
],

6
m4/ax_gcc_x86_cpuid.m4
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@ -1,5 +1,5 @@
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_gcc_x86_cpuid.html
# https://www.gnu.org/software/autoconf-archive/ax_gcc_x86_cpuid.html
# ===========================================================================
#
# SYNOPSIS
@ -43,7 +43,7 @@
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
@ -58,7 +58,7 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 9
#serial 10
AC_DEFUN([AX_GCC_X86_CPUID],
[AX_GCC_X86_CPUID_COUNT($1, 0)

30
m4/ax_tls.m4
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@ -1,5 +1,5 @@
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_tls.html
# https://www.gnu.org/software/autoconf-archive/ax_tls.html
# ===========================================================================
#
# SYNOPSIS
@ -9,9 +9,9 @@
# DESCRIPTION
#
# Provides a test for the compiler support of thread local storage (TLS)
# extensions. Defines TLS if it is found. Currently knows about GCC/ICC
# and MSVC. I think SunPro uses the same as GCC, and Borland apparently
# supports either.
# extensions. Defines TLS if it is found. Currently knows about C++11,
# GCC/ICC, and MSVC. I think SunPro uses the same as GCC, and Borland
# apparently supports either.
#
# LICENSE
#
@ -29,7 +29,7 @@
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
@ -44,28 +44,12 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 11
# Define m4_ifblank and m4_ifnblank macros from introduced in
# autotools 2.64 m4sugar.m4 if using an earlier autotools.
ifdef([m4_ifblank], [], [
m4_define([m4_ifblank],
[m4_if(m4_translit([[$1]], [ ][ ][
]), [], [$2], [$3])])
])
ifdef([m4_ifnblank], [], [
m4_define([m4_ifnblank],
[m4_if(m4_translit([[$1]], [ ][ ][
]), [], [$3], [$2])])
])
#serial 14
AC_DEFUN([AX_TLS], [
AC_MSG_CHECKING([for thread local storage (TLS) class])
AC_CACHE_VAL([ac_cv_tls],
[for ax_tls_keyword in __thread '__declspec(thread)' none; do
[for ax_tls_keyword in thread_local _Thread_local __thread '__declspec(thread)' none; do
AS_CASE([$ax_tls_keyword],
[none], [ac_cv_tls=none ; break],
[AC_TRY_COMPILE(

14
m4/sb_autoconf_compat.m4
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@ -11,3 +11,17 @@ m4_ifdef([AS_VAR_IF],,m4_define([AS_VAR_IF],
[[eval test \"x\$"$1"\" = x"_AS_ESCAPE([$2], [`], [\"$])"]],
[[eval \${$1:+false} :]])]),
[$3], [$4])]))dnl
# Define m4_ifblank and m4_ifnblank macros from introduced in
# autotools 2.64 m4sugar.m4 if using an earlier autotools.
ifdef([m4_ifblank], [], [
m4_define([m4_ifblank],
[m4_if(m4_translit([[$1]], [ ][ ][
]), [], [$2], [$3])])
])
ifdef([m4_ifnblank], [], [
m4_define([m4_ifnblank],
[m4_if(m4_translit([[$1]], [ ][ ][
]), [], [$3], [$2])])
])