f7a4671428
* m4/qt6.m4: Do not add -fpic to GPGME_QT6_CFLAGS. Add -fpic to CPPFLAGS used for build test of simple Qt 6 application. -- The pkgconfig files of Qt6Core do not contain the qt_config variable, so that we cannot easily check whether Qt6 was compiled with pic. For simplicity we always compile the test application with -fpic to avoid a build failure if Qt6 was actually compiled with pic. For the actual build of QGpgME libtool automatically uses -fPIC, so that we don't have to add it to the GPGME_QT6_CFLAGS.
81 lines
2.6 KiB
Plaintext
81 lines
2.6 KiB
Plaintext
dnl qt6.m4
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dnl Copyright (C) 2016 Intevation GmbH
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dnl
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dnl This file is part of gpgme and is provided under the same license as gpgme
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dnl Autoconf macro to find Qt6
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dnl
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dnl sets GPGME_QT6_LIBS and GPGME_QT6_CFLAGS
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dnl
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dnl if QT6 was found have_qt6_libs is set to yes
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AC_DEFUN([FIND_QT6],
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[
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have_qt6_libs="no";
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PKG_CHECK_MODULES(GPGME_QT6,
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Qt6Core >= 6.4.0,
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[have_qt6_libs="yes"],
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[have_qt6_libs="no"])
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PKG_CHECK_MODULES(GPGME_QT6TEST,
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Qt6Test >= 6.4.0,
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[have_qt6test_libs="yes"],
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[have_qt6test_libs="no"])
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if test "$have_qt6_libs" = "yes"; then
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# Qt6 moved moc to libexec
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qt6libexecdir=$($PKG_CONFIG --variable=libexecdir 'Qt6Core >= 6.4.0')
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AC_PATH_TOOL(MOC, moc, [], [$qt6libexecdir])
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AC_MSG_CHECKING([moc version])
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mocversion=`$MOC -v 2>&1`
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mocversiongrep=`echo $mocversion | grep -E "Qt 6|moc 6"`
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if test x"$mocversiongrep" != x"$mocversion"; then
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AC_MSG_RESULT([no])
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# moc was not the qt6 one, try with moc-qt6
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AC_CHECK_TOOL(MOC2, moc-qt6)
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mocversion=`$MOC2 -v 2>&1`
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mocversiongrep=`echo $mocversion | grep -E "Qt 6|moc-qt6 6|moc 6"`
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if test x"$mocversiongrep" != x"$mocversion"; then
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AC_CHECK_TOOL(QTCHOOSER, qtchooser)
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qt6tooldir=`QT_SELECT=qt6 qtchooser -print-env | grep QTTOOLDIR | cut -d '=' -f 2 | cut -d \" -f 2`
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mocversion=`$qt6tooldir/moc -v 2>&1`
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mocversiongrep=`echo $mocversion | grep -E "Qt 6|moc 6"`
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if test x"$mocversiongrep" != x"$mocversion"; then
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# no valid moc found
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have_qt6_libs="no";
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else
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MOC=$qt6tooldir/moc
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fi
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else
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MOC=$MOC2
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fi
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fi
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AC_MSG_RESULT([$mocversion])
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dnl Check that a binary can actually be build with this qt.
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dnl pkg-config may be set up in a way that it looks also for libraries
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dnl of the build system and not only for the host system. In that case
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dnl we check here that we can actually compile / link a qt application
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dnl for host.
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OLDCPPFLAGS=$CPPFLAGS
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CPPFLAGS=$GPGME_QT6_CFLAGS
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if ! test "$have_w32_system" = yes; then
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CPPFLAGS="$CPPFLAGS -fpic"
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fi
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OLDLIBS=$LIBS
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LIBS=$GPGME_QT6_LIBS
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AC_LANG_PUSH(C++)
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AC_MSG_CHECKING([whether a simple qt program can be built])
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AC_LINK_IFELSE([AC_LANG_SOURCE([
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#include <QCoreApplication>
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int main (int argc, char **argv) {
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QCoreApplication app(argc, argv);
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app.exec();
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}])], [have_qt6_libs='yes'], [have_qt6_libs='no'])
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AC_MSG_RESULT([$have_qt6_libs])
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AC_LANG_POP()
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CPPFLAGS=$OLDCPPFLAGS
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LIBS=$OLDLIBS
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fi
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])
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