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 libraries 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 ])