diff --git a/M4/add_cflags.m4 b/M4/add_cflags.m4 deleted file mode 100644 index 55a326c5..00000000 --- a/M4/add_cflags.m4 +++ /dev/null @@ -1,18 +0,0 @@ -dnl @synopsis MN_ADD_CFLAGS -dnl -dnl Add the given option to CFLAGS, if it doesn't break the compiler - -AC_DEFUN([MN_ADD_CFLAGS], -[AC_MSG_CHECKING([if $CC accepts $1]) - ac_add_cflags__old_cflags="$CFLAGS" - CFLAGS="$1" - AC_TRY_LINK([ - #include - ], - [puts("Hello, World!"); return 0;], - AC_MSG_RESULT([yes]) - CFLAGS="$ac_add_cflags__old_cflags $1", - AC_MSG_RESULT([no]) - CFLAGS="$ac_add_cflags__old_cflags" - ) -])# MN_ADD_CFLAGS diff --git a/M4/add_cxxflags.m4 b/M4/add_cxxflags.m4 deleted file mode 100644 index 1c0a4deb..00000000 --- a/M4/add_cxxflags.m4 +++ /dev/null @@ -1,19 +0,0 @@ -dnl @synopsis MN_ADD_CXXFLAGS -dnl -dnl Add the given option to CXXFLAGS, if it doesn't break the compiler - -AC_DEFUN([MN_ADD_CXXFLAGS], -[AC_MSG_CHECKING([if $CXX accepts $1]) - AC_LANG_ASSERT([C++]) - ac_add_cxxflags__old_cxxflags="$CXXFLAGS" - CXXFLAGS="$1" - AC_TRY_LINK([ - #include - ], - [puts("Hello, World!"); return 0;], - AC_MSG_RESULT([yes]) - CXXFLAGS="$ac_add_cxxflags__old_cxxflags $1", - AC_MSG_RESULT([no]) - CXXFLAGS="$ac_add_cxxflags__old_cxxflags" - ) -])# MN_ADD_CXXFLAGS diff --git a/M4/ax_append_compile_flags.m4 b/M4/ax_append_compile_flags.m4 new file mode 100644 index 00000000..5b6f1af5 --- /dev/null +++ b/M4/ax_append_compile_flags.m4 @@ -0,0 +1,67 @@ +# ============================================================================ +# https://www.gnu.org/software/autoconf-archive/ax_append_compile_flags.html +# ============================================================================ +# +# SYNOPSIS +# +# AX_APPEND_COMPILE_FLAGS([FLAG1 FLAG2 ...], [FLAGS-VARIABLE], [EXTRA-FLAGS], [INPUT]) +# +# DESCRIPTION +# +# For every FLAG1, FLAG2 it is checked whether the compiler works with the +# flag. If it does, the flag is added FLAGS-VARIABLE +# +# If FLAGS-VARIABLE is not specified, the current language's flags (e.g. +# CFLAGS) is used. During the check the flag is always added to the +# current language's flags. +# +# If EXTRA-FLAGS is defined, it is added to the current language's default +# flags (e.g. CFLAGS) when the check is done. The check is thus made with +# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to +# force the compiler to issue an error when a bad flag is given. +# +# INPUT gives an alternative input source to AC_COMPILE_IFELSE. +# +# NOTE: This macro depends on the AX_APPEND_FLAG and +# AX_CHECK_COMPILE_FLAG. Please keep this macro in sync with +# AX_APPEND_LINK_FLAGS. +# +# LICENSE +# +# Copyright (c) 2011 Maarten Bosmans +# +# 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 +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 6 + +AC_DEFUN([AX_APPEND_COMPILE_FLAGS], +[AX_REQUIRE_DEFINED([AX_CHECK_COMPILE_FLAG]) +AX_REQUIRE_DEFINED([AX_APPEND_FLAG]) +for flag in $1; do + AX_CHECK_COMPILE_FLAG([$flag], [AX_APPEND_FLAG([$flag], [$2])], [], [$3], [$4]) +done +])dnl AX_APPEND_COMPILE_FLAGS diff --git a/M4/ax_append_flag.m4 b/M4/ax_append_flag.m4 new file mode 100644 index 00000000..e8c5312a --- /dev/null +++ b/M4/ax_append_flag.m4 @@ -0,0 +1,71 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_append_flag.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_APPEND_FLAG(FLAG, [FLAGS-VARIABLE]) +# +# DESCRIPTION +# +# FLAG is appended to the FLAGS-VARIABLE shell variable, with a space +# added in between. +# +# If FLAGS-VARIABLE is not specified, the current language's flags (e.g. +# CFLAGS) is used. FLAGS-VARIABLE is not changed if it already contains +# FLAG. If FLAGS-VARIABLE is unset in the shell, it is set to exactly +# FLAG. +# +# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. +# +# LICENSE +# +# Copyright (c) 2008 Guido U. Draheim +# Copyright (c) 2011 Maarten Bosmans +# +# 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 +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 7 + +AC_DEFUN([AX_APPEND_FLAG], +[dnl +AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_SET_IF +AS_VAR_PUSHDEF([FLAGS], [m4_default($2,_AC_LANG_PREFIX[FLAGS])]) +AS_VAR_SET_IF(FLAGS,[ + AS_CASE([" AS_VAR_GET(FLAGS) "], + [*" $1 "*], [AC_RUN_LOG([: FLAGS already contains $1])], + [ + AS_VAR_APPEND(FLAGS,[" $1"]) + AC_RUN_LOG([: FLAGS="$FLAGS"]) + ]) + ], + [ + AS_VAR_SET(FLAGS,[$1]) + AC_RUN_LOG([: FLAGS="$FLAGS"]) + ]) +AS_VAR_POPDEF([FLAGS])dnl +])dnl AX_APPEND_FLAG diff --git a/M4/ax_check_compile_flag.m4 b/M4/ax_check_compile_flag.m4 new file mode 100644 index 00000000..dcabb92a --- /dev/null +++ b/M4/ax_check_compile_flag.m4 @@ -0,0 +1,74 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CHECK_COMPILE_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT]) +# +# DESCRIPTION +# +# Check whether the given FLAG works with the current language's compiler +# or gives an error. (Warnings, however, are ignored) +# +# ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on +# success/failure. +# +# If EXTRA-FLAGS is defined, it is added to the current language's default +# flags (e.g. CFLAGS) when the check is done. The check is thus made with +# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to +# force the compiler to issue an error when a bad flag is given. +# +# INPUT gives an alternative input source to AC_COMPILE_IFELSE. +# +# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this +# macro in sync with AX_CHECK_{PREPROC,LINK}_FLAG. +# +# LICENSE +# +# Copyright (c) 2008 Guido U. Draheim +# Copyright (c) 2011 Maarten Bosmans +# +# 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 +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#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 + _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1" + AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], + [AS_VAR_SET(CACHEVAR,[yes])], + [AS_VAR_SET(CACHEVAR,[no])]) + _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags]) +AS_VAR_IF(CACHEVAR,yes, + [m4_default([$2], :)], + [m4_default([$3], :)]) +AS_VAR_POPDEF([CACHEVAR])dnl +])dnl AX_CHECK_COMPILE_FLAGS diff --git a/M4/ax_compiler_vendor.m4 b/M4/ax_compiler_vendor.m4 new file mode 100644 index 00000000..4ca80895 --- /dev/null +++ b/M4/ax_compiler_vendor.m4 @@ -0,0 +1,87 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_COMPILER_VENDOR +# +# DESCRIPTION +# +# Determine the vendor of the C/C++ compiler, e.g., gnu, intel, ibm, sun, +# hp, borland, comeau, dec, cray, kai, lcc, metrowerks, sgi, microsoft, +# watcom, etc. The vendor is returned in the cache variable +# $ax_cv_c_compiler_vendor for C and $ax_cv_cxx_compiler_vendor for C++. +# +# LICENSE +# +# Copyright (c) 2008 Steven G. Johnson +# Copyright (c) 2008 Matteo Frigo +# +# 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 +# Free Software Foundation, either version 3 of the License, or (at your +# option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +# Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program. If not, see . +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +#serial 16 + +AC_DEFUN([AX_COMPILER_VENDOR], +[AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, + dnl Please add if possible support to ax_compiler_version.m4 + [# note: don't check for gcc first since some other compilers define __GNUC__ + vendors="intel: __ICC,__ECC,__INTEL_COMPILER + ibm: __xlc__,__xlC__,__IBMC__,__IBMCPP__ + pathscale: __PATHCC__,__PATHSCALE__ + clang: __clang__ + cray: _CRAYC + fujitsu: __FUJITSU + gnu: __GNUC__ + sun: __SUNPRO_C,__SUNPRO_CC + hp: __HP_cc,__HP_aCC + dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER + borland: __BORLANDC__,__CODEGEARC__,__TURBOC__ + comeau: __COMO__ + kai: __KCC + lcc: __LCC__ + sgi: __sgi,sgi + microsoft: _MSC_VER + metrowerks: __MWERKS__ + watcom: __WATCOMC__ + portland: __PGI + tcc: __TINYC__ + unknown: UNKNOWN" + for ventest in $vendors; do + case $ventest in + *:) vendor=$ventest; continue ;; + *) vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;; + esac + AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[ + #if !($vencpp) + thisisanerror; + #endif + ])], [break]) + done + ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1` + ]) +]) diff --git a/M4/ax_compiler_version.m4 b/M4/ax_compiler_version.m4 new file mode 100644 index 00000000..8a8e28a9 --- /dev/null +++ b/M4/ax_compiler_version.m4 @@ -0,0 +1,492 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_compiler_version.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_COMPILER_VERSION +# +# DESCRIPTION +# +# This macro retrieves the compiler version and returns it in the cache +# variable $ax_cv_c_compiler_version for C and $ax_cv_cxx_compiler_version +# for C++. +# +# Version is returned as epoch:major.minor.patchversion +# +# Epoch is used in order to have an increasing version number in case of +# marketing change. +# +# Epoch use: * borland compiler use chronologically 0turboc for turboc +# era, +# +# 1borlanc BORLANDC++ before 5, 2cppbuilder for cppbuilder era, +# 3borlancpp for return of BORLANDC++ (after version 5.5), +# 4cppbuilder for cppbuilder with year version, +# and 5xe for XE era. +# +# An empty string is returned otherwise. +# +# LICENSE +# +# Copyright (c) 2014 Bastien ROUCARIES +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 9 + +# for intel +AC_DEFUN([_AX_COMPILER_VERSION_INTEL], + [ dnl + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + [__INTEL_COMPILER/100],, + AC_MSG_FAILURE([[[$0]] unknown intel compiler version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + [(__INTEL_COMPILER%100)/10],, + AC_MSG_FAILURE([[[$0]] unknown intel compiler version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + [(__INTEL_COMPILER%10)],, + AC_MSG_FAILURE([[[$0]] unknown intel compiler version])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" + ]) + +# for IBM +AC_DEFUN([_AX_COMPILER_VERSION_IBM], + [ dnl + dnl check between z/OS C/C++ and XL C/C++ + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([], + [ + #if defined(__COMPILER_VER__) + choke me; + #endif + ])], + [ + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + [__xlC__/100],, + AC_MSG_FAILURE([[[$0]] unknown IBM compiler major version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + [__xlC__%100],, + AC_MSG_FAILURE([[[$0]] unknown IBM compiler minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + [__xlC_ver__/0x100],, + AC_MSG_FAILURE([[[$0]] unknown IBM compiler patch version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_build, + [__xlC_ver__%0x100],, + AC_MSG_FAILURE([[[$0]] unknown IBM compiler build version])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_build" + ], + [ + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + [__xlC__%1000],, + AC_MSG_FAILURE([[[$0]] unknown IBM compiler patch version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + [(__xlC__/10000)%10],, + AC_MSG_FAILURE([[[$0]] unknown IBM compiler minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + [(__xlC__/100000)%10],, + AC_MSG_FAILURE([[[$0]] unknown IBM compiler major version])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" + ]) +]) + +# for pathscale +AC_DEFUN([_AX_COMPILER_VERSION_PATHSCALE],[ + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + __PATHCC__,, + AC_MSG_FAILURE([[[$0]] unknown pathscale major])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + __PATHCC_MINOR__,, + AC_MSG_FAILURE([[[$0]] unknown pathscale minor])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + [__PATHCC_PATCHLEVEL__],, + AC_MSG_FAILURE([[[$0]] unknown pathscale patch level])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" + ]) + +# for clang +AC_DEFUN([_AX_COMPILER_VERSION_CLANG],[ + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + __clang_major__,, + AC_MSG_FAILURE([[[$0]] unknown clang major])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + __clang_minor__,, + AC_MSG_FAILURE([[[$0]] unknown clang minor])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + [__clang_patchlevel__],,0) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" + ]) + +# for crayc +AC_DEFUN([_AX_COMPILER_VERSION_CRAY],[ + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + _RELEASE,, + AC_MSG_FAILURE([[[$0]] unknown crayc release])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + _RELEASE_MINOR,, + AC_MSG_FAILURE([[[$0]] unknown crayc minor])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor" + ]) + +# for fujitsu +AC_DEFUN([_AX_COMPILER_VERSION_FUJITSU],[ + AC_COMPUTE_INT(ax_cv_[]_AC_LANG_ABBREV[]_compiler_version, + __FCC_VERSION,, + AC_MSG_FAILURE([[[$0]]unknown fujitsu release])) + ]) + +# for GNU +AC_DEFUN([_AX_COMPILER_VERSION_GNU],[ + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + __GNUC__,, + AC_MSG_FAILURE([[[$0]] unknown gcc major])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + __GNUC_MINOR__,, + AC_MSG_FAILURE([[[$0]] unknown gcc minor])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + [__GNUC_PATCHLEVEL__],, + AC_MSG_FAILURE([[[$0]] unknown gcc patch level])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" + ]) + +# For sun +AC_DEFUN([_AX_COMPILER_VERSION_SUN],[ + m4_define([_AX_COMPILER_VERSION_SUN_NUMBER], + [ + #if defined(__SUNPRO_CC) + __SUNPRO_CC + #else + __SUNPRO_C + #endif + ]) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_until59, + !!(_AX_COMPILER_VERSION_SUN_NUMBER < 0x1000),, + AC_MSG_FAILURE([[[$0]] unknown sun release version])) + AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_until59" = X1], + [dnl + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + _AX_COMPILER_VERSION_SUN_NUMBER % 0x10,, + AC_MSG_FAILURE([[[$0]] unknown sun patch version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + (_AX_COMPILER_VERSION_SUN_NUMBER / 0x10) % 0x10,, + AC_MSG_FAILURE([[[$0]] unknown sun minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + (_AX_COMPILER_VERSION_SUN_NUMBER / 0x100),, + AC_MSG_FAILURE([[[$0]] unknown sun major version])) + ], + [dnl + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + _AX_COMPILER_VERSION_SUN_NUMBER % 0x10,, + AC_MSG_FAILURE([[[$0]] unknown sun patch version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + (_AX_COMPILER_VERSION_SUN_NUMBER / 0x100) % 0x100,, + AC_MSG_FAILURE([[[$0]] unknown sun minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + (_AX_COMPILER_VERSION_SUN_NUMBER / 0x1000),, + AC_MSG_FAILURE([[[$0]] unknown sun major version])) + ]) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" +]) + +AC_DEFUN([_AX_COMPILER_VERSION_HP],[ + m4_define([_AX_COMPILER_VERSION_HP_NUMBER], + [ + #if defined(__HP_cc) + __HP_cc + #else + __HP_aCC + #endif + ]) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_untilA0121, + !!(_AX_COMPILER_VERSION_HP_NUMBER <= 1),, + AC_MSG_FAILURE([[[$0]] unknown hp release version])) + AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_untilA0121" = X1], + [dnl By default output last version with this behavior. + dnl it is so old + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="01.21.00" + ], + [dnl + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + (_AX_COMPILER_VERSION_HP_NUMBER % 100),, + AC_MSG_FAILURE([[[$0]] unknown hp release version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + ((_AX_COMPILER_VERSION_HP_NUMBER / 100)%100),, + AC_MSG_FAILURE([[[$0]] unknown hp minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + ((_AX_COMPILER_VERSION_HP_NUMBER / 10000)%100),, + AC_MSG_FAILURE([[[$0]] unknown hp major version])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" + ]) +]) + +AC_DEFUN([_AX_COMPILER_VERSION_DEC],[dnl + m4_define([_AX_COMPILER_VERSION_DEC_NUMBER], + [ + #if defined(__DECC_VER) + __DECC_VER + #else + __DECCXX_VER + #endif + ]) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + (_AX_COMPILER_VERSION_DEC_NUMBER % 10000),, + AC_MSG_FAILURE([[[$0]] unknown dec release version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + ((_AX_COMPILER_VERSION_DEC_NUMBER / 100000UL)%100),, + AC_MSG_FAILURE([[[$0]] unknown dec minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + ((_AX_COMPILER_VERSION_DEC_NUMBER / 10000000UL)%100),, + AC_MSG_FAILURE([[[$0]] unknown dec major version])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" + ]) + +# borland +AC_DEFUN([_AX_COMPILER_VERSION_BORLAND],[dnl + m4_define([_AX_COMPILER_VERSION_TURBOC_NUMBER], + [ + #if defined(__TURBOC__) + __TURBOC__ + #else + choke me + #endif + ]) + m4_define([_AX_COMPILER_VERSION_BORLANDC_NUMBER], + [ + #if defined(__BORLANDC__) + __BORLANDC__ + #else + __CODEGEARC__ + #endif + ]) + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM(, + _AX_COMPILER_VERSION_TURBOC_NUMBER)], + [dnl TURBOC + AC_COMPUTE_INT( + _ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw, + _AX_COMPILER_VERSION_TURBOC_NUMBER,, + AC_MSG_FAILURE([[[$0]] unknown turboc version])) + AS_IF( + [test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw -lt 661 || test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw -gt 1023], + [dnl compute normal version + AC_COMPUTE_INT( + _ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + _AX_COMPILER_VERSION_TURBOC_NUMBER % 0x100,, + AC_MSG_FAILURE([[[$0]] unknown turboc minor version])) + AC_COMPUTE_INT( + _ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + (_AX_COMPILER_VERSION_TURBOC_NUMBER/0x100)%0x100,, + AC_MSG_FAILURE([[[$0]] unknown turboc major version])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor"], + [dnl special version + AS_CASE([$_ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw], + [661],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:1.00"], + [662],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:1.01"], + [663],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:2.00"], + [ + AC_MSG_WARN([[[$0]] unknown turboc version between 0x295 and 0x400 please report bug]) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="" + ]) + ]) + ], + # borlandc + [ + AC_COMPUTE_INT( + _ax_[]_AC_LANG_ABBREV[]_compiler_version_borlandc_raw, + _AX_COMPILER_VERSION_BORLANDC_NUMBER,, + AC_MSG_FAILURE([[[$0]] unknown borlandc version])) + AS_CASE([$_ax_[]_AC_LANG_ABBREV[]_compiler_version_borlandc_raw], + dnl BORLANDC++ before 5.5 + [512] ,[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:2.00"], + [1024],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:3.00"], + [1024],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:3.00"], + [1040],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:3.1"], + [1106],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:4.0"], + [1280],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:5.0"], + [1312],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:5.02"], + dnl C++ Builder era + [1328],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="2cppbuilder:3.0"], + [1344],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="2cppbuilder:4.0"], + dnl BORLANDC++ after 5.5 + [1360],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="3borlancpp:5.5"], + [1361],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="3borlancpp:5.51"], + [1378],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="3borlancpp:5.6.4"], + dnl C++ Builder with year number + [1392],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2006"], + [1424],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2007"], + [1555],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2009"], + [1569],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2010"], + dnl XE version + [1584],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe"], + [1600],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe:2"], + [1616],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe:3"], + [1632],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe:4"], + [ + AC_MSG_WARN([[[$0]] Unknown borlandc compiler version $_ax_[]_AC_LANG_ABBREV[]_compiler_version_borlandc_raw please report bug]) + ]) + ]) + ]) + +# COMO +AC_DEFUN([_AX_COMPILER_VERSION_COMEAU], + [ dnl + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + [__COMO_VERSION__%100],, + AC_MSG_FAILURE([[[$0]] unknown comeau compiler minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + [(__COMO_VERSION__/100)%10],, + AC_MSG_FAILURE([[[$0]] unknown comeau compiler major version])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor" + ]) + +# KAI +AC_DEFUN([_AX_COMPILER_VERSION_KAI],[ + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + [__KCC_VERSION%100],, + AC_MSG_FAILURE([[[$0]] unknown kay compiler patch version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + [(__KCC_VERSION/100)%10],, + AC_MSG_FAILURE([[[$0]] unknown kay compiler minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + [(__KCC_VERSION/1000)%10],, + AC_MSG_FAILURE([[[$0]] unknown kay compiler major version])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" + ]) + +dnl LCC +dnl LCC does not output version... + +# SGI +AC_DEFUN([_AX_COMPILER_VERSION_SGI],[ + m4_define([_AX_COMPILER_VERSION_SGI_NUMBER], + [ + #if defined(_COMPILER_VERSION) + _COMPILER_VERSION + #else + _SGI_COMPILER_VERSION + #endif + ]) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + [_AX_COMPILER_VERSION_SGI_NUMBER%10],, + AC_MSG_FAILURE([[[$0]] unknown SGI compiler patch version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + [(_AX_COMPILER_VERSION_SGI_NUMBER/10)%10],, + AC_MSG_FAILURE([[[$0]] unknown SGI compiler minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + [(_AX_COMPILER_VERSION_SGI_NUMBER/100)%10],, + AC_MSG_FAILURE([[[$0]] unknown SGI compiler major version])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" + ]) + +# microsoft +AC_DEFUN([_AX_COMPILER_VERSION_MICROSOFT],[ + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + _MSC_VER%100,, + AC_MSG_FAILURE([[[$0]] unknown microsoft compiler minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + (_MSC_VER/100)%100,, + AC_MSG_FAILURE([[[$0]] unknown microsoft compiler major version])) + dnl could be overridden + _ax_[]_AC_LANG_ABBREV[]_compiler_version_patch=0 + _ax_[]_AC_LANG_ABBREV[]_compiler_version_build=0 + # special case for version 6 + AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major" = "X12"], + [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + _MSC_FULL_VER%1000,, + _ax_[]_AC_LANG_ABBREV[]_compiler_version_patch=0)]) + # for version 7 + AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major" = "X13"], + [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + _MSC_FULL_VER%1000,, + AC_MSG_FAILURE([[[$0]] unknown microsoft compiler patch version])) + ]) + # for version > 8 + AS_IF([test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_major -ge 14], + [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + _MSC_FULL_VER%10000,, + AC_MSG_FAILURE([[[$0]] unknown microsoft compiler patch version])) + ]) + AS_IF([test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_major -ge 15], + [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_build, + _MSC_BUILD,, + AC_MSG_FAILURE([[[$0]] unknown microsoft compiler build version])) + ]) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_build" + ]) + +# for metrowerks +AC_DEFUN([_AX_COMPILER_VERSION_METROWERKS],[dnl + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + __MWERKS__%0x100,, + AC_MSG_FAILURE([[[$0]] unknown metrowerks compiler patch version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + (__MWERKS__/0x100)%0x10,, + AC_MSG_FAILURE([[[$0]] unknown metrowerks compiler minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + (__MWERKS__/0x1000)%0x10,, + AC_MSG_FAILURE([[[$0]] unknown metrowerks compiler major version])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" + ]) + +# for watcom +AC_DEFUN([_AX_COMPILER_VERSION_WATCOM],[dnl + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + __WATCOMC__%100,, + AC_MSG_FAILURE([[[$0]] unknown watcom compiler minor version])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + (__WATCOMC__/100)%100,, + AC_MSG_FAILURE([[[$0]] unknown watcom compiler major version])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor" + ]) + +# for PGI +AC_DEFUN([_AX_COMPILER_VERSION_PORTLAND],[ + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, + __PGIC__,, + AC_MSG_FAILURE([[[$0]] unknown pgi major])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, + __PGIC_MINOR__,, + AC_MSG_FAILURE([[[$0]] unknown pgi minor])) + AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, + [__PGIC_PATCHLEVEL__],, + AC_MSG_FAILURE([[[$0]] unknown pgi patch level])) + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" + ]) + +# tcc +AC_DEFUN([_AX_COMPILER_VERSION_TCC],[ + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version=[`tcc -v | $SED 's/^[ ]*tcc[ ]\+version[ ]\+\([0-9.]\+\).*/\1/g'`] + ]) +# main entry point +AC_DEFUN([AX_COMPILER_VERSION],[dnl + AC_REQUIRE([AX_COMPILER_VENDOR]) + AC_REQUIRE([AC_PROG_SED]) + AC_CACHE_CHECK([for _AC_LANG compiler version], + ax_cv_[]_AC_LANG_ABBREV[]_compiler_version, + [ dnl + AS_CASE([$ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor], + [intel],[_AX_COMPILER_VERSION_INTEL], + [ibm],[_AX_COMPILER_VERSION_IBM], + [pathscale],[_AX_COMPILER_VERSION_PATHSCALE], + [clang],[_AX_COMPILER_VERSION_CLANG], + [cray],[_AX_COMPILER_VERSION_CRAY], + [fujitsu],[_AX_COMPILER_VERSION_FUJITSU], + [gnu],[_AX_COMPILER_VERSION_GNU], + [sun],[_AX_COMPILER_VERSION_SUN], + [hp],[_AX_COMPILER_VERSION_HP], + [dec],[_AX_COMPILER_VERSION_DEC], + [borland],[_AX_COMPILER_VERSION_BORLAND], + [comeau],[_AX_COMPILER_VERSION_COMEAU], + [kai],[_AX_COMPILER_VERSION_KAI], + [sgi],[_AX_COMPILER_VERSION_SGI], + [microsoft],[_AX_COMPILER_VERSION_MICROSOFT], + [metrowerks],[_AX_COMPILER_VERSION_METROWERKS], + [watcom],[_AX_COMPILER_VERSION_WATCOM], + [portland],[_AX_COMPILER_VERSION_PORTLAND], + [tcc],[_AX_COMPILER_VERSION_TCC], + [ax_cv_[]_AC_LANG_ABBREV[]_compiler_version=""]) + ]) +]) diff --git a/M4/ax_require_defined.m4 b/M4/ax_require_defined.m4 new file mode 100644 index 00000000..17c3eab7 --- /dev/null +++ b/M4/ax_require_defined.m4 @@ -0,0 +1,37 @@ +# =========================================================================== +# https://www.gnu.org/software/autoconf-archive/ax_require_defined.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_REQUIRE_DEFINED(MACRO) +# +# DESCRIPTION +# +# AX_REQUIRE_DEFINED is a simple helper for making sure other macros have +# been defined and thus are available for use. This avoids random issues +# where a macro isn't expanded. Instead the configure script emits a +# non-fatal: +# +# ./configure: line 1673: AX_CFLAGS_WARN_ALL: command not found +# +# It's like AC_REQUIRE except it doesn't expand the required macro. +# +# Here's an example: +# +# AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG]) +# +# LICENSE +# +# Copyright (c) 2014 Mike Frysinger +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 2 + +AC_DEFUN([AX_REQUIRE_DEFINED], [dnl + m4_ifndef([$1], [m4_fatal([macro ]$1[ is not defined; is a m4 file missing?])]) +])dnl AX_REQUIRE_DEFINED diff --git a/M4/clang.m4 b/M4/clang.m4 deleted file mode 100644 index 4cf3077d..00000000 --- a/M4/clang.m4 +++ /dev/null @@ -1,31 +0,0 @@ -dnl @synopsis MN_C_COMPILER_IS_CLANG -dnl -dnl Find out if a compiler claiming to be gcc really is gcc (fuck you clang). -dnl @version 1.0 Oct 31 2013 -dnl @author Erik de Castro Lopo -dnl -dnl Permission to use, copy, modify, distribute, and sell this file for any -dnl purpose is hereby granted without fee, provided that the above copyright -dnl and this permission notice appear in all copies. No representations are -dnl made about the suitability of this software for any purpose. It is -dnl provided "as is" without express or implied warranty. -dnl - - -AC_DEFUN([MN_C_COMPILER_IS_CLANG], -[AC_CACHE_CHECK(whether we are using the CLANG C compiler, - mn_cv_c_compiler_clang, - [ AC_LANG_ASSERT(C) - AC_TRY_LINK([ - #include - ], - [ - #ifndef __clang__ - This is not clang! - #endif - ], - mn_cv_c_compiler_clang=yes, - mn_cv_c_compiler_clang=no - ]) - ) -]) diff --git a/M4/gcc_version.m4 b/M4/gcc_version.m4 deleted file mode 100644 index f8c5cbeb..00000000 --- a/M4/gcc_version.m4 +++ /dev/null @@ -1,33 +0,0 @@ -dnl @synopsis MN_GCC_VERSION -dnl -dnl Find the version of gcc. -dnl @version 1.0 Nov 05 2007 -dnl @author Erik de Castro Lopo -dnl -dnl Permission to use, copy, modify, distribute, and sell this file for any -dnl purpose is hereby granted without fee, provided that the above copyright -dnl and this permission notice appear in all copies. No representations are -dnl made about the suitability of this software for any purpose. It is -dnl provided "as is" without express or implied warranty. -dnl - -AC_DEFUN([MN_GCC_VERSION], -[ -if test "x$ac_cv_c_compiler_gnu" = "xyes" ; then - - AC_MSG_CHECKING([for version of $CC]) - GCC_VERSION=`$CC -dumpversion` - AC_MSG_RESULT($GCC_VERSION) - - changequote(,)dnl - GCC_MAJOR_VERSION=`echo $GCC_VERSION | sed "s/\..*//"` - GCC_MINOR_VERSION=`echo $GCC_VERSION | sed "s/$GCC_MAJOR_VERSION\.//" | sed "s/\..*//"` - changequote([,])dnl - fi - -AC_SUBST(GCC_VERSION) -AC_SUBST(GCC_MAJOR_VERSION) -AC_SUBST(GCC_MINOR_VERSION) - -])# MN_GCC_VERSION - diff --git a/M4/really_gcc.m4 b/M4/really_gcc.m4 deleted file mode 100644 index 67aed780..00000000 --- a/M4/really_gcc.m4 +++ /dev/null @@ -1,33 +0,0 @@ -dnl @synopsis MN_GCC_REALLY_IS_GCC -dnl -dnl Find out if a compiler claiming to be gcc really is gcc (fuck you clang). -dnl @version 1.0 Oct 31 2013 -dnl @author Erik de Castro Lopo -dnl -dnl Permission to use, copy, modify, distribute, and sell this file for any -dnl purpose is hereby granted without fee, provided that the above copyright -dnl and this permission notice appear in all copies. No representations are -dnl made about the suitability of this software for any purpose. It is -dnl provided "as is" without express or implied warranty. -dnl - -# If the configure script has already detected GNU GCC, then make sure it -# isn't CLANG masquerading as GCC. - -AC_DEFUN([MN_GCC_REALLY_IS_GCC], -[ AC_LANG_ASSERT(C) - if test "x$ac_cv_c_compiler_gnu" = "xyes" ; then - AC_TRY_LINK([ - #include - ], - [ - #ifdef __clang__ - This is clang! - #endif - ], - ac_cv_c_compiler_gnu=yes, - ac_cv_c_compiler_gnu=no - ) - fi - -]) diff --git a/configure.ac b/configure.ac index 042e5b1d..f5b9c5fa 100644 --- a/configure.ac +++ b/configure.ac @@ -6,6 +6,21 @@ AC_PREREQ(2.57) AC_INIT([libsndfile],[1.0.29pre1],[sndfile@mega-nerd.com], [libsndfile],[http://www.mega-nerd.com/libsndfile/]) +dnl Check whether we want to set defaults for CFLAGS, CXXFLAGS, CPPFLAGS and LDFLAGS +AC_MSG_CHECKING([whether configure should try to set CFLAGS/CXXFLAGS/CPPFLAGS/LDFLAGS]) +AS_IF([test "x${CFLAGS+set}" = "xset" || test "x${CXXFLAGS+set}" = "xset" || test "x${CPPFLAGS+set}" = "xset" || test "x${LDFLAGS+set}" = "xset"], [ + enable_flags_setting=no + : ${CFLAGS=""} + : ${CXXFLAGS=""} + ], [ + enable_flags_setting=yes + dnl Set to empty flags so AC_PROG_CC and + dnl AC_PROG_CXX do not add -g -O2 + CFLAGS="" + CXXFLAGS="" + ]) +AC_MSG_RESULT([${enable_flags_setting}]) + # Put config stuff in Cfg. AC_CONFIG_AUX_DIR(Cfg) AC_CONFIG_MACRO_DIR([M4]) @@ -18,15 +33,18 @@ AC_CONFIG_HEADERS([src/config.h]) AM_INIT_AUTOMAKE m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) -AC_LANG([C]) - -AC_PROG_CC_STDC +AC_PROG_CC_C99 AC_USE_SYSTEM_EXTENSIONS -AM_PROG_CC_C_O AC_PROG_CXX -MN_C_COMPILER_IS_CLANG -MN_GCC_REALLY_IS_GCC +AC_LANG([C]) +AX_COMPILER_VENDOR +AX_COMPILER_VERSION + +AC_LANG_PUSH([C++]) +AX_COMPILER_VENDOR +AX_COMPILER_VERSION +AC_LANG_POP([C++]) AC_PROG_SED m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) @@ -109,12 +127,6 @@ AC_ARG_ENABLE(werror, AC_ARG_ENABLE(stack-smash-protection, AS_HELP_STRING([--enable-stack-smash-protection], [Enable GNU GCC stack smash protection])) -AC_ARG_ENABLE(gcc-pipe, - AS_HELP_STRING([--disable-gcc-pipe], [disable gcc -pipe option])) - -AC_ARG_ENABLE(gcc-opt, - AS_HELP_STRING([--disable-gcc-opt], [disable gcc optimisations])) - AC_ARG_ENABLE(cpu-clip, AS_HELP_STRING([--disable-cpu-clip], [disable tricky cpu specific clipper])) @@ -473,61 +485,44 @@ AS_IF([test "x$enable_bow_docs" = "xyes"], [ win32_target_dll=0 COMPILER_IS_GCC=0 -AS_IF([test "x$ac_cv_c_compiler_gnu" = "xyes"], [ - MN_ADD_CFLAGS(-std=gnu99) - - MN_GCC_VERSION - - AS_IF([test "x$GCC_MAJOR_VERSION$GCC_MINOR_VERSION" = "x42"], [ - AC_MSG_WARN([****************************************************************]) - AC_MSG_WARN([** GCC version 4.2 warns about the inline keyword for no good **]) - AC_MSG_WARN([** reason but the maintainers do not see it as a bug. **]) - AC_MSG_WARN([** See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33995 **]) - AC_MSG_WARN([** Using -fgnu-inline to avoid this stupidity. **]) - AC_MSG_WARN([****************************************************************]) - MN_ADD_CFLAGS([-fgnu89-inline]) - ]) - - CFLAGS="$CFLAGS -Wall" - CXXFLAGS="$CXXFLAGS -Wall" - - MN_ADD_CFLAGS([-Wextra]) - MN_ADD_CFLAGS([-Wdeclaration-after-statement]) - MN_ADD_CFLAGS([-Wpointer-arith]) - MN_ADD_CFLAGS([-Wvla]) +AS_IF([test "x$enable_flags_setting" = "xyes"], [ + AX_APPEND_COMPILE_FLAGS([-O2 -pipe], [CFLAGS]) AC_LANG_PUSH([C++]) - MN_ADD_CXXFLAGS([-Wextra]) - MN_ADD_CXXFLAGS([-Wpointer-arith]) + AX_APPEND_COMPILE_FLAGS([-O2 -pipe], [CXXFLAGS]) AC_LANG_POP([C++]) + ]) - AS_IF([test "x$enable_stack_smash_protection" = "xyes"], [ - XIPH_GCC_STACK_PROTECTOR - XIPH_GXX_STACK_PROTECTOR - ]) +AS_IF([test "x$enable_werror" = "xyes"], [ + AX_APPEND_COMPILE_FLAGS([-Werror], [CFLAGS]) - AS_IF([test "x$enable_test_coverage" = "xyes"], [ - # MN_ADD_CFLAGS([-ftest-coverage]) - MN_ADD_CFLAGS([-coverage]) - ]) + AC_LANG_PUSH([C++]) + AX_APPEND_COMPILE_FLAGS([-Werror], [CXXFLAGS]) + AC_LANG_POP([C++]) + ]) - dnl some distributions (such as Gentoo) have _FORTIFY_SOURCE always - dnl enabled. We test for this situation in order to prevent polluting - dnl the console with messages of macro redefinitions. - AX_ADD_FORTIFY_SOURCE +common_flags="-Wall -Wextra -Wpointer-arith -Wcast-align -Wcast-qual -Wshadow -Wwrite-strings -Wundef -Wuninitialized -Winit-self" +AX_APPEND_COMPILE_FLAGS([${common_flags} -Wdeclaration-after-statement -Wvla -Wbad-function-cast -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Waggregate-return], [CFLAGS]) - common_flags="-Wcast-align -Wcast-qual -Wshadow -Wwrite-strings -Wundef -Wuninitialized -Winit-self" +AC_LANG_PUSH([C++]) +AX_APPEND_COMPILE_FLAGS([${common_flags} -Wctor-dtor-privacy -Wnon-virtual-dtor -Woverloaded-virtual -Wreorder -Wsign-promo], [CXXFLAGS]) +AC_LANG_POP([C++]) - # -Winline -Wconversion " - CFLAGS="$CFLAGS $common_flags -Wbad-function-cast -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Waggregate-return" - CXXFLAGS="$CXXFLAGS $common_flags -Wctor-dtor-privacy -Wnon-virtual-dtor -Woverloaded-virtual -Wreorder -Wsign-promo" +AS_IF([test "x$enable_stack_smash_protection" = "xyes"], [ + XIPH_GCC_STACK_PROTECTOR + XIPH_GXX_STACK_PROTECTOR + ]) - AS_IF([test "x$enable_gcc_opt" = "xno"], [ - temp_CFLAGS=`echo $CFLAGS | $SED "s/O2/O0/"` - CFLAGS=$temp_CFLAGS - AC_MSG_WARN([[*** Compiler optimisations switched off. ***]]) - ]) +AS_IF([test "x$enable_test_coverage" = "xyes"], [ + AX_APPEND_COMPILE_FLAGS([-coverage], [CFLAGS]) + ]) +dnl some distributions (such as Gentoo) have _FORTIFY_SOURCE always +dnl enabled. We test for this situation in order to prevent polluting +dnl the console with messages of macro redefinitions. +AX_ADD_FORTIFY_SOURCE + +AS_IF([test "x$ax_cv_c_compiler_vendor" = "xgnu"], [ # OS specific tweaks. AS_CASE([$host_os], [darwin* | rhapsody*], [ @@ -547,22 +542,10 @@ AS_IF([test "x$ac_cv_c_compiler_gnu" = "xyes"], [ [os2*], [ SHLIB_VERSION_ARG="-Wl,-export-symbols \$(srcdir)/Symbols.os2" ]) - AS_IF([test "x$enable_gcc_pipe" != "xno"], [ - CFLAGS="$CFLAGS -pipe" - ]) COMPILER_IS_GCC=1 ]) -AS_IF([test "x$enable_werror" = "xyes"], [ - MN_ADD_CFLAGS([-Werror]) - - AC_LANG_PUSH([C++]) - MN_ADD_CXXFLAGS([-Werror]) - AC_LANG_POP([C++]) - ]) - - AC_DEFINE_UNQUOTED([WIN32_TARGET_DLL], [${win32_target_dll}], [Set to 1 if windows DLL is being built.]) AC_DEFINE_UNQUOTED([COMPILER_IS_GCC], [${COMPILER_IS_GCC}], [Set to 1 if the compile is GNU GCC.]) @@ -644,6 +627,11 @@ AC_MSG_RESULT([ Host Vendor : ......................... ${host_vendor} Host OS : ............................. ${host_os} + CFLAGS : .............................. ${CFLAGS} + CXXFLAGS : ............................ ${CXXFLAGS} + CPPFLAGS : ............................ ${CPPFLAGS} + LDFLAGS : ............................. ${LDFLAGS} + Experimental code : ................... ${enable_experimental:-no} Using ALSA in example programs : ...... ${enable_alsa:-no} External FLAC/Ogg/Vorbis : ............ ${enable_external_libs:-no} @@ -659,18 +647,9 @@ AS_IF([test -z "$PKG_CONFIG"], [ AS_ECHO([" Tools :"]) AS_ECHO([""]) -AS_ECHO([" Compiler is Clang : ................... ${mn_cv_c_compiler_clang}"]) -AS_ECHO([" Compiler is GCC : ..................... ${ac_cv_c_compiler_gnu}"]) +AS_ECHO([" C Compiler Vendor is : ................ ${ax_cv_c_compiler_vendor} (${ax_cv_c_compiler_version})"]) +AS_ECHO([" CXX Compiler Vendor is : .............. ${ax_cv_cxx_compiler_vendor} (${ax_cv_cxx_compiler_version})"]) -AS_IF([test "x$ac_cv_c_compiler_gnu" = "xyes"] ,[ - AS_ECHO([" GCC version : ......................... ${GCC_VERSION}"]) - AS_IF([test $GCC_MAJOR_VERSION -lt 3], [ - AS_ECHO(["\n"]) - AS_ECHO([" ** This compiler version allows applications to write"]) - AS_ECHO([" ** to static strings within the library."]) - AS_ECHO([" ** Compile with GCC version 3.X or above to avoid this problem."]) - ]) - ]) AS_ECHO([" Sanitizer enabled : ................... ${enable_sanitizer:-no}"]) AS_ECHO([" Stack smash protection : .............. ${enable_stack_smash_protection:-no}"])