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dnl qt.m4
dnl Copyright (C) 2016 Intevation GmbH
dnl
dnl This file is part of gpgme and is provided under the same license as gpgme
dnl Autoconf macro to find either Qt4 or Qt5
dnl
dnl sets GPGME_QT_LIBS and GPGME_QT_CFLAGS
dnl
dnl if QT5 was found have_qt5_libs is set to yes
AC_DEFUN([FIND_QT],
[
have_qt5_libs="no";
PKG_CHECK_MODULES(GPGME_QT,
Qt5Core >= 5.0.0,
[have_qt5_libs="yes"],
[have_qt5_libs="no"])
PKG_CHECK_MODULES(GPGME_QTTEST,
Qt5Test >= 5.0.0,
[have_qt5test_libs="yes"],
[have_qt5test_libs="no"])
if ! test "$have_w32_system" = yes; then
if "$PKG_CONFIG" --variable qt_config Qt5Core | grep -q "reduce_relocations"; then
GPGME_QT_CFLAGS="$GPGME_QT_CFLAGS -fpic"
fi
fi
if test "$have_qt5_libs" = "yes"; then
AC_CHECK_TOOL(MOC, moc)
AC_MSG_CHECKING([moc version])
mocversion=`$MOC -v 2>&1`
mocversiongrep=`echo $mocversion | grep -E "Qt 5|moc 5"`
if test x"$mocversiongrep" != x"$mocversion"; then
AC_MSG_RESULT([no])
# moc was not the qt5 one, try with moc-qt5
AC_CHECK_TOOL(MOC2, moc-qt5)
mocversion=`$MOC2 -v 2>&1`
mocversiongrep=`echo $mocversion | grep -E "Qt 5|moc-qt5 5|moc 5"`
if test x"$mocversiongrep" != x"$mocversion"; then
AC_CHECK_TOOL(QTCHOOSER, qtchooser)
qt5tooldir=`QT_SELECT=qt5 qtchooser -print-env | grep QTTOOLDIR | cut -d '=' -f 2 | cut -d \" -f 2`
mocversion=`$qt5tooldir/moc -v 2>&1`
mocversiongrep=`echo $mocversion | grep -E "Qt 5|moc 5"`
if test x"$mocversiongrep" != x"$mocversion"; then
# no valid moc found
have_qt5_libs="no";
else
MOC=$qt5tooldir/moc
fi
else
MOC=$MOC2
fi
fi
AC_MSG_RESULT([$mocversion])
dnl Check that a binary can actually be build with this qt.
dnl pkg-config may be set up in a way that it looks also for libaries
dnl of the build system and not only for the host system. In that case
dnl we check here that we can actually compile / link a qt application
dnl for host.
OLDCPPFLAGS=$CPPFLAGS
CPPFLAGS=$GPGME_QT_CFLAGS
OLDLIBS=$LIBS
LIBS=$GPGME_QT_LIBS
AC_LANG_PUSH(C++)
AC_MSG_CHECKING([whether a simple qt program can be built])
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <QCoreApplication>
int main (int argc, char **argv) {
QCoreApplication app(argc, argv);
app.exec();
}])], [have_qt5_libs='yes'], [have_qt5_libs='no'])
AC_MSG_RESULT([$have_qt5_libs])
AC_LANG_POP()
CPPFLAGS=$OLDCPPFLAGS
LIBS=$OLDLIBS
fi
])
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