mirror of
https://github.com/pdewacht/brlaser
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brlaser version 1
This commit is contained in:
Peter De Wachter
69
m4/ax_append_flag.m4
Normal file
69
m4/ax_append_flag.m4
Normal file
@ -0,0 +1,69 @@
|
||||
# ===========================================================================
|
||||
# http://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 <guidod@gmx.de>
|
||||
# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
|
||||
#
|
||||
# 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 <http://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
|
||||
# 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 2
|
||||
|
||||
AC_DEFUN([AX_APPEND_FLAG],
|
||||
[AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX
|
||||
AS_VAR_PUSHDEF([FLAGS], [m4_default($2,_AC_LANG_PREFIX[FLAGS])])dnl
|
||||
AS_VAR_SET_IF(FLAGS,
|
||||
[case " AS_VAR_GET(FLAGS) " in
|
||||
*" $1 "*)
|
||||
AC_RUN_LOG([: FLAGS already contains $1])
|
||||
;;
|
||||
*)
|
||||
AC_RUN_LOG([: FLAGS="$FLAGS $1"])
|
||||
AS_VAR_SET(FLAGS, ["AS_VAR_GET(FLAGS) $1"])
|
||||
;;
|
||||
esac],
|
||||
[AS_VAR_SET(FLAGS,["$1"])])
|
||||
AS_VAR_POPDEF([FLAGS])dnl
|
||||
])dnl AX_APPEND_FLAG
|
||||
61
m4/ax_append_link_flags.m4
Normal file
61
m4/ax_append_link_flags.m4
Normal file
@ -0,0 +1,61 @@
|
||||
# ===========================================================================
|
||||
# http://www.gnu.org/software/autoconf-archive/ax_append_link_flags.html
|
||||
# ===========================================================================
|
||||
#
|
||||
# SYNOPSIS
|
||||
#
|
||||
# AX_APPEND_LINK_FLAGS([FLAG1 FLAG2 ...], [FLAGS-VARIABLE], [EXTRA-FLAGS])
|
||||
#
|
||||
# DESCRIPTION
|
||||
#
|
||||
# For every FLAG1, FLAG2 it is checked whether the linker works with the
|
||||
# flag. If it does, the flag is added FLAGS-VARIABLE
|
||||
#
|
||||
# If FLAGS-VARIABLE is not specified, the linker's flags (LDFLAGS) is
|
||||
# used. During the check the flag is always added to the linker's flags.
|
||||
#
|
||||
# If EXTRA-FLAGS is defined, it is added to the linker's default flags
|
||||
# when the check is done. The check is thus made with the flags: "LDFLAGS
|
||||
# EXTRA-FLAGS FLAG". This can for example be used to force the linker to
|
||||
# issue an error when a bad flag is given.
|
||||
#
|
||||
# NOTE: This macro depends on the AX_APPEND_FLAG and AX_CHECK_LINK_FLAG.
|
||||
# Please keep this macro in sync with AX_APPEND_COMPILE_FLAGS.
|
||||
#
|
||||
# LICENSE
|
||||
#
|
||||
# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
|
||||
#
|
||||
# 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 <http://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
|
||||
# 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 2
|
||||
|
||||
AC_DEFUN([AX_APPEND_LINK_FLAGS],
|
||||
[for flag in $1; do
|
||||
AX_CHECK_LINK_FLAG([$flag], [AX_APPEND_FLAG([$flag], [m4_default([$2], [LDFLAGS])])], [], [$3])
|
||||
done
|
||||
])dnl AX_APPEND_LINK_FLAGS
|
||||
122
m4/ax_cflags_warn_all.m4
Normal file
122
m4/ax_cflags_warn_all.m4
Normal file
@ -0,0 +1,122 @@
|
||||
# ===========================================================================
|
||||
# http://www.gnu.org/software/autoconf-archive/ax_cflags_warn_all.html
|
||||
# ===========================================================================
|
||||
#
|
||||
# SYNOPSIS
|
||||
#
|
||||
# AX_CFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])]
|
||||
# AX_CXXFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])]
|
||||
# AX_FCFLAGS_WARN_ALL [(shellvar [,default, [A/NA]])]
|
||||
#
|
||||
# DESCRIPTION
|
||||
#
|
||||
# Try to find a compiler option that enables most reasonable warnings.
|
||||
#
|
||||
# For the GNU compiler it will be -Wall (and -ansi -pedantic) The result
|
||||
# is added to the shellvar being CFLAGS, CXXFLAGS, or FCFLAGS by default.
|
||||
#
|
||||
# Currently this macro knows about the GCC, Solaris, Digital Unix, AIX,
|
||||
# HP-UX, IRIX, NEC SX-5 (Super-UX 10), Cray J90 (Unicos 10.0.0.8), and
|
||||
# Intel compilers. For a given compiler, the Fortran flags are much more
|
||||
# experimental than their C equivalents.
|
||||
#
|
||||
# - $1 shell-variable-to-add-to : CFLAGS, CXXFLAGS, or FCFLAGS
|
||||
# - $2 add-value-if-not-found : nothing
|
||||
# - $3 action-if-found : add value to shellvariable
|
||||
# - $4 action-if-not-found : nothing
|
||||
#
|
||||
# NOTE: These macros depend on AX_APPEND_FLAG.
|
||||
#
|
||||
# LICENSE
|
||||
#
|
||||
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
|
||||
# Copyright (c) 2010 Rhys Ulerich <rhys.ulerich@gmail.com>
|
||||
#
|
||||
# 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 <http://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
|
||||
# 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 14
|
||||
|
||||
AC_DEFUN([AX_FLAGS_WARN_ALL],[dnl
|
||||
AS_VAR_PUSHDEF([FLAGS],[_AC_LANG_PREFIX[]FLAGS])dnl
|
||||
AS_VAR_PUSHDEF([VAR],[ac_cv_[]_AC_LANG_ABBREV[]flags_warn_all])dnl
|
||||
AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for maximum warnings],
|
||||
VAR,[VAR="no, unknown"
|
||||
ac_save_[]FLAGS="$[]FLAGS"
|
||||
for ac_arg dnl
|
||||
in "-warn all % -warn all" dnl Intel
|
||||
"-pedantic % -Wall" dnl GCC
|
||||
"-xstrconst % -v" dnl Solaris C
|
||||
"-std1 % -verbose -w0 -warnprotos" dnl Digital Unix
|
||||
"-qlanglvl=ansi % -qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd" dnl AIX
|
||||
"-ansi -ansiE % -fullwarn" dnl IRIX
|
||||
"+ESlit % +w1" dnl HP-UX C
|
||||
"-Xc % -pvctl[,]fullmsg" dnl NEC SX-5 (Super-UX 10)
|
||||
"-h conform % -h msglevel 2" dnl Cray C (Unicos)
|
||||
#
|
||||
do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
|
||||
AC_COMPILE_IFELSE([AC_LANG_PROGRAM],
|
||||
[VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
|
||||
done
|
||||
FLAGS="$ac_save_[]FLAGS"
|
||||
])
|
||||
AS_VAR_POPDEF([FLAGS])dnl
|
||||
AC_REQUIRE([AX_APPEND_FLAG])
|
||||
case ".$VAR" in
|
||||
.ok|.ok,*) m4_ifvaln($3,$3) ;;
|
||||
.|.no|.no,*) m4_default($4,[m4_ifval($2,[AX_APPEND_FLAG([$2], [$1])])]) ;;
|
||||
*) m4_default($3,[AX_APPEND_FLAG([$VAR], [$1])]) ;;
|
||||
esac
|
||||
AS_VAR_POPDEF([VAR])dnl
|
||||
])dnl AX_FLAGS_WARN_ALL
|
||||
dnl implementation tactics:
|
||||
dnl the for-argument contains a list of options. The first part of
|
||||
dnl these does only exist to detect the compiler - usually it is
|
||||
dnl a global option to enable -ansi or -extrawarnings. All other
|
||||
dnl compilers will fail about it. That was needed since a lot of
|
||||
dnl compilers will give false positives for some option-syntax
|
||||
dnl like -Woption or -Xoption as they think of it is a pass-through
|
||||
dnl to later compile stages or something. The "%" is used as a
|
||||
dnl delimiter. A non-option comment can be given after "%%" marks
|
||||
dnl which will be shown but not added to the respective C/CXXFLAGS.
|
||||
|
||||
AC_DEFUN([AX_CFLAGS_WARN_ALL],[dnl
|
||||
AC_LANG_PUSH([C])
|
||||
AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4])
|
||||
AC_LANG_POP([C])
|
||||
])
|
||||
|
||||
AC_DEFUN([AX_CXXFLAGS_WARN_ALL],[dnl
|
||||
AC_LANG_PUSH([C++])
|
||||
AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4])
|
||||
AC_LANG_POP([C++])
|
||||
])
|
||||
|
||||
AC_DEFUN([AX_FCFLAGS_WARN_ALL],[dnl
|
||||
AC_LANG_PUSH([Fortran])
|
||||
AX_FLAGS_WARN_ALL([$1], [$2], [$3], [$4])
|
||||
AC_LANG_POP([Fortran])
|
||||
])
|
||||
73
m4/ax_check_link_flag.m4
Normal file
73
m4/ax_check_link_flag.m4
Normal file
@ -0,0 +1,73 @@
|
||||
# ===========================================================================
|
||||
# http://www.gnu.org/software/autoconf-archive/ax_check_link_flag.html
|
||||
# ===========================================================================
|
||||
#
|
||||
# SYNOPSIS
|
||||
#
|
||||
# AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT])
|
||||
#
|
||||
# DESCRIPTION
|
||||
#
|
||||
# Check whether the given FLAG works with the linker 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 linker's default flags
|
||||
# when the check is done. The check is thus made with the flags: "LDFLAGS
|
||||
# EXTRA-FLAGS FLAG". This can for example be used to force the linker to
|
||||
# issue an error when a bad flag is given.
|
||||
#
|
||||
# INPUT gives an alternative input source to AC_LINK_IFELSE.
|
||||
#
|
||||
# NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this
|
||||
# macro in sync with AX_CHECK_{PREPROC,COMPILE}_FLAG.
|
||||
#
|
||||
# LICENSE
|
||||
#
|
||||
# Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
|
||||
# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
|
||||
#
|
||||
# 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 <http://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
|
||||
# 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 3
|
||||
|
||||
AC_DEFUN([AX_CHECK_LINK_FLAG],
|
||||
[AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl
|
||||
AC_CACHE_CHECK([whether the linker accepts $1], CACHEVAR, [
|
||||
ax_check_save_flags=$LDFLAGS
|
||||
LDFLAGS="$LDFLAGS $4 $1"
|
||||
AC_LINK_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
|
||||
[AS_VAR_SET(CACHEVAR,[yes])],
|
||||
[AS_VAR_SET(CACHEVAR,[no])])
|
||||
LDFLAGS=$ax_check_save_flags])
|
||||
AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes],
|
||||
[m4_default([$2], :)],
|
||||
[m4_default([$3], :)])
|
||||
AS_VAR_POPDEF([CACHEVAR])dnl
|
||||
])dnl AX_CHECK_LINK_FLAGS
|
||||
133
m4/ax_cxx_compile_stdcxx_11.m4
Normal file
133
m4/ax_cxx_compile_stdcxx_11.m4
Normal file
@ -0,0 +1,133 @@
|
||||
# ============================================================================
|
||||
# http://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx_11.html
|
||||
# ============================================================================
|
||||
#
|
||||
# SYNOPSIS
|
||||
#
|
||||
# AX_CXX_COMPILE_STDCXX_11([ext|noext],[mandatory|optional])
|
||||
#
|
||||
# DESCRIPTION
|
||||
#
|
||||
# Check for baseline language coverage in the compiler for the C++11
|
||||
# standard; if necessary, add switches to CXXFLAGS to enable support.
|
||||
#
|
||||
# The first argument, if specified, indicates whether you insist on an
|
||||
# extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g.
|
||||
# -std=c++11). If neither is specified, you get whatever works, with
|
||||
# preference for an extended mode.
|
||||
#
|
||||
# The second argument, if specified 'mandatory' or if left unspecified,
|
||||
# indicates that baseline C++11 support is required and that the macro
|
||||
# should error out if no mode with that support is found. If specified
|
||||
# 'optional', then configuration proceeds regardless, after defining
|
||||
# HAVE_CXX11 if and only if a supporting mode is found.
|
||||
#
|
||||
# LICENSE
|
||||
#
|
||||
# Copyright (c) 2008 Benjamin Kosnik <bkoz@redhat.com>
|
||||
# Copyright (c) 2012 Zack Weinberg <zackw@panix.com>
|
||||
# Copyright (c) 2013 Roy Stogner <roystgnr@ices.utexas.edu>
|
||||
#
|
||||
# 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 3
|
||||
|
||||
m4_define([_AX_CXX_COMPILE_STDCXX_11_testbody], [
|
||||
template <typename T>
|
||||
struct check
|
||||
{
|
||||
static_assert(sizeof(int) <= sizeof(T), "not big enough");
|
||||
};
|
||||
|
||||
typedef check<check<bool>> right_angle_brackets;
|
||||
|
||||
int a;
|
||||
decltype(a) b;
|
||||
|
||||
typedef check<int> check_type;
|
||||
check_type c;
|
||||
check_type&& cr = static_cast<check_type&&>(c);
|
||||
|
||||
auto d = a;
|
||||
])
|
||||
|
||||
AC_DEFUN([AX_CXX_COMPILE_STDCXX_11], [dnl
|
||||
m4_if([$1], [], [],
|
||||
[$1], [ext], [],
|
||||
[$1], [noext], [],
|
||||
[m4_fatal([invalid argument `$1' to AX_CXX_COMPILE_STDCXX_11])])dnl
|
||||
m4_if([$2], [], [ax_cxx_compile_cxx11_required=true],
|
||||
[$2], [mandatory], [ax_cxx_compile_cxx11_required=true],
|
||||
[$2], [optional], [ax_cxx_compile_cxx11_required=false],
|
||||
[m4_fatal([invalid second argument `$2' to AX_CXX_COMPILE_STDCXX_11])])dnl
|
||||
AC_LANG_PUSH([C++])dnl
|
||||
ac_success=no
|
||||
AC_CACHE_CHECK(whether $CXX supports C++11 features by default,
|
||||
ax_cv_cxx_compile_cxx11,
|
||||
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_11_testbody])],
|
||||
[ax_cv_cxx_compile_cxx11=yes],
|
||||
[ax_cv_cxx_compile_cxx11=no])])
|
||||
if test x$ax_cv_cxx_compile_cxx11 = xyes; then
|
||||
ac_success=yes
|
||||
fi
|
||||
|
||||
m4_if([$1], [noext], [], [dnl
|
||||
if test x$ac_success = xno; then
|
||||
for switch in -std=gnu++11 -std=gnu++0x; do
|
||||
cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx11_$switch])
|
||||
AC_CACHE_CHECK(whether $CXX supports C++11 features with $switch,
|
||||
$cachevar,
|
||||
[ac_save_CXXFLAGS="$CXXFLAGS"
|
||||
CXXFLAGS="$CXXFLAGS $switch"
|
||||
AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_11_testbody])],
|
||||
[eval $cachevar=yes],
|
||||
[eval $cachevar=no])
|
||||
CXXFLAGS="$ac_save_CXXFLAGS"])
|
||||
if eval test x\$$cachevar = xyes; then
|
||||
CXXFLAGS="$CXXFLAGS $switch"
|
||||
ac_success=yes
|
||||
break
|
||||
fi
|
||||
done
|
||||
fi])
|
||||
|
||||
m4_if([$1], [ext], [], [dnl
|
||||
if test x$ac_success = xno; then
|
||||
for switch in -std=c++11 -std=c++0x; do
|
||||
cachevar=AS_TR_SH([ax_cv_cxx_compile_cxx11_$switch])
|
||||
AC_CACHE_CHECK(whether $CXX supports C++11 features with $switch,
|
||||
$cachevar,
|
||||
[ac_save_CXXFLAGS="$CXXFLAGS"
|
||||
CXXFLAGS="$CXXFLAGS $switch"
|
||||
AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_11_testbody])],
|
||||
[eval $cachevar=yes],
|
||||
[eval $cachevar=no])
|
||||
CXXFLAGS="$ac_save_CXXFLAGS"])
|
||||
if eval test x\$$cachevar = xyes; then
|
||||
CXXFLAGS="$CXXFLAGS $switch"
|
||||
ac_success=yes
|
||||
break
|
||||
fi
|
||||
done
|
||||
fi])
|
||||
AC_LANG_POP([C++])
|
||||
if test x$ax_cxx_compile_cxx11_required = xtrue; then
|
||||
if test x$ac_success = xno; then
|
||||
AC_MSG_ERROR([*** A compiler with support for C++11 language features is required.])
|
||||
fi
|
||||
else
|
||||
if test x$ac_success = xno; then
|
||||
HAVE_CXX11=0
|
||||
AC_MSG_NOTICE([No compiler with C++11 support was found])
|
||||
else
|
||||
HAVE_CXX11=1
|
||||
AC_DEFINE(HAVE_CXX11,1,
|
||||
[define if the compiler supports basic C++11 syntax])
|
||||
fi
|
||||
|
||||
AC_SUBST(HAVE_CXX11)
|
||||
fi
|
||||
])
|
||||
Reference in New Issue
Block a user