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acinclude.m4
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acinclude.m4
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AC_DEFUN([SV_MODULE_REQUIRED],
[
SV_MODULE_MODULE=$1
SV_MODULE_VERSION_TEST="$2"
SV_MODULE_HEADER=$3
SV_MODULE_LIB=$4
SV_MODULE_FUNC=$5
SV_MODULE_HAVE=HAVE_$(echo $1 | tr '[a-z]' '[A-Z]')
SV_MODULE_FAILED=1
if test -n "$$1_LIBS" ; then
AC_MSG_NOTICE([User set ${SV_MODULE_MODULE}_LIBS explicitly, skipping test for $SV_MODULE_MODULE])
CXXFLAGS="$CXXFLAGS $$1_CFLAGS"
LIBS="$LIBS $$1_LIBS"
SV_MODULE_FAILED=""
fi
if test -z "$SV_MODULE_VERSION_TEST" ; then
SV_MODULE_VERSION_TEST=$SV_MODULE_MODULE
fi
if test -n "$SV_MODULE_FAILED" && test -n "$PKG_CONFIG"; then
PKG_CHECK_MODULES($1,[$SV_MODULE_VERSION_TEST],[HAVES="$HAVES $SV_MODULE_HAVE";CXXFLAGS="$CXXFLAGS $$1_CFLAGS";LIBS="$LIBS $$1_LIBS";SV_MODULE_FAILED=""],[AC_MSG_NOTICE([Failed to find required module $SV_MODULE_MODULE using pkg-config, trying again by old-fashioned means])])
fi
if test -n "$SV_MODULE_FAILED"; then
AC_CHECK_HEADER([$SV_MODULE_HEADER],[HAVES="$HAVES $SV_MODULE_HAVE"],[AC_MSG_ERROR([Failed to find header $SV_MODULE_HEADER for required module $SV_MODULE_MODULE])])
if test -n "$SV_MODULE_LIB"; then
AC_CHECK_LIB([$SV_MODULE_LIB],[$SV_MODULE_FUNC],[LIBS="$LIBS -l$SV_MODULE_LIB"],[AC_MSG_ERROR([Failed to find library $SV_MODULE_LIB for required module $SV_MODULE_MODULE])])
fi
fi
])
AC_DEFUN([SV_MODULE_OPTIONAL],
[
SV_MODULE_MODULE=$1
SV_MODULE_VERSION_TEST="$2"
SV_MODULE_HEADER=$3
SV_MODULE_LIB=$4
SV_MODULE_FUNC=$5
SV_MODULE_HAVE=HAVE_$(echo $1 | tr '[a-z]' '[A-Z]')
SV_MODULE_FAILED=1
if test -n "$$1_LIBS" ; then
AC_MSG_NOTICE([User set ${SV_MODULE_MODULE}_LIBS explicitly, skipping test for $SV_MODULE_MODULE])
CXXFLAGS="$CXXFLAGS $$1_CFLAGS"
LIBS="$LIBS $$1_LIBS"
SV_MODULE_FAILED=""
fi
if test -z "$SV_MODULE_VERSION_TEST" ; then
SV_MODULE_VERSION_TEST=$SV_MODULE_MODULE
fi
if test -n "$SV_MODULE_FAILED" && test -n "$PKG_CONFIG"; then
PKG_CHECK_MODULES($1,[$SV_MODULE_VERSION_TEST],[HAVES="$HAVES $SV_MODULE_HAVE";CXXFLAGS="$CXXFLAGS $$1_CFLAGS";LIBS="$LIBS $$1_LIBS";SV_MODULE_FAILED=""],[AC_MSG_NOTICE([Failed to find optional module $SV_MODULE_MODULE using pkg-config, trying again by old-fashioned means])])
fi
if test -n "$SV_MODULE_FAILED"; then
AC_CHECK_HEADER([$SV_MODULE_HEADER],[HAVES="$HAVES $SV_MODULE_HAVE";SV_MODULE_FAILED=""],[AC_MSG_NOTICE([Failed to find header $SV_MODULE_HEADER for optional module $SV_MODULE_MODULE])])
if test -z "$SV_MODULE_FAILED"; then
if test -n "$SV_MODULE_LIB"; then
AC_CHECK_LIB([$SV_MODULE_LIB],[$SV_MODULE_FUNC],[LIBS="$LIBS -l$SV_MODULE_LIB"],[AC_MSG_NOTICE([Failed to find library $SV_MODULE_LIB for optional module $SV_MODULE_MODULE])])
fi
fi
fi
])
# Check for Qt. The only part of Qt we use directly is qmake.
AC_DEFUN([SV_CHECK_QT],
[
AC_REQUIRE([AC_PROG_CXX])
if test x$QMAKE = x ; then
AC_CHECK_PROG(QMAKE, qmake-qt5, $QTDIR/bin/qmake-qt5,,$QTDIR/bin/)
fi
if test x$QMAKE = x ; then
AC_CHECK_PROG(QMAKE, qt5-qmake, $QTDIR/bin/qt5-qmake,,$QTDIR/bin/)
fi
if test x$QMAKE = x ; then
AC_CHECK_PROG(QMAKE, qmake, $QTDIR/bin/qmake,,$QTDIR/bin/)
fi
if test x$QMAKE = x ; then
AC_CHECK_PROG(QMAKE, qmake.exe, $QTDIR/bin/qmake.exe,,$QTDIR/bin/)
fi
if test x$QMAKE = x ; then
AC_CHECK_PROG(QMAKE, qmake-qt5, qmake-qt5,,$PATH)
fi
if test x$QMAKE = x ; then
AC_CHECK_PROG(QMAKE, qt5-qmake, qt5-qmake,,$PATH)
fi
if test x$QMAKE = x ; then
AC_CHECK_PROG(QMAKE, qmake, qmake,,$PATH)
fi
if test x$QMAKE = x ; then
AC_MSG_ERROR([
Failed to find the required qmake-qt5 or qmake program. Please
ensure you have the necessary Qt5 development files installed, and
if necessary set QTDIR to the location of your Qt5 installation.
])
fi
# Suitable versions of qmake should print out something like:
#
# QMake version 2.01a
# Using Qt version 4.6.3 in /usr/lib
#
# This may be translated, so we check only for the numbers (2.x and 4.x
# in that order).
#
QMAKE_VERSION_OUTPUT=`$QMAKE -v`
case "$QMAKE_VERSION_OUTPUT" in
*5.*) ;;
*) AC_MSG_WARN([
*** The version of qmake found in "$QMAKE" looks like it might be
from the wrong version of Qt (Qt5 is required). Please check
that this is the correct version of qmake for Qt5 builds.
])
esac
case "`uname`" in
*Darwin*) QMAKE="$QMAKE -spec macx-g++";;
esac
])
# From autoconf archive:
# ============================================================================
# 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 <[email protected]>
# Copyright (c) 2012 Zack Weinberg <[email protected]>
# Copyright (c) 2013 Roy Stogner <[email protected]>
# Copyright (c) 2014 Alexey Sokolov <[email protected]>
#
# 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.
m4_define([_AX_CXX_COMPILE_STDCXX_11_testbody], [[
template <typename T>
struct check
{
static_assert(sizeof(int) <= sizeof(T), "not big enough");
};
struct Base {
virtual void f() {}
};
struct Child : public Base {
virtual void f() override {}
};
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;
auto l = [](){};
]])
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])])
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
])
# ===========================================================================
# 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 <[email protected]>
# Copyright (c) 2011 Maarten Bosmans <[email protected]>
#
# 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.
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