lyx_mirror/config/qt.m4
Enrico Forestieri 779f0a74f0 Tweak Qt6 detection
Don't try in turn every possible qmake candidate but directly
use the correct one.
2021-03-27 11:23:52 +01:00

472 lines
13 KiB
Plaintext

dnl check a particular libname
AC_DEFUN([QT_TRY_LINK],
[
SAVE_LIBS="$LIBS"
LIBS="$LIBS $1"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <qglobal.h>
#include <qstring.h>
]], [[
QString s("mangle_failure");
#if (QT_VERSION < 400)
break_me_(\\\);
#endif
]])],[qt_cv_libname=$1],[])
LIBS="$SAVE_LIBS"
])
dnl check we can do a compile
AC_DEFUN([QT_CHECK_COMPILE],
[
AC_MSG_CHECKING([for Qt library name])
AC_CACHE_VAL(qt_cv_libname,
[
SAVE_CXXFLAGS=$CXXFLAGS
CXXFLAGS="$CXXFLAGS $QT_INCLUDES $QT_LDFLAGS"
qt_corelibs="-lQtCore -lQtCore4"
qt_guilibs="'-lQtCore -lQtGui' '-lQtCore4 -lQtGui4'"
if test $USE_QT6 = "yes" ; then
qt_corelibs="-lQt6Core -lQt6Core5Compat"
qt_guilibs="-lQt6Core -lQt6Core5Compat -lQt6Concurrent -lQt6Gui -lQt6Svg -lQt6Widgets"
elif test $USE_QT5 = "yes" ; then
qt_corelibs="-lQt5Core"
qt_guilibs="-lQt5Core -lQt5Concurrent -lQt5Gui -lQt5Svg -lQt5Widgets"
fi
for libname in $qt_corelibs '-framework QtCore'
do
QT_TRY_LINK($libname)
if test -n "$qt_cv_libname"; then
QT_CORE_LIB="$qt_cv_libname"
break;
fi
done
qt_cv_libname=
for libname in $qt_guilibs \
'-framework QtCore -framework QtConcurrent -framework QtSvg -framework QtWidgets -framework QtMacExtras -framework QtGui'\
'-framework QtCore -framework QtGui'
do
QT_TRY_LINK($libname)
if test -n "$qt_cv_libname"; then
break;
fi
done
CXXFLAGS=$SAVE_CXXFLAGS
])
if test -z "$qt_cv_libname"; then
if test x$USE_QT6 = xyes ; then
AC_MSG_RESULT([failed, retrying with Qt5])
elif test x$USE_QT5 = xyes ; then
AC_MSG_RESULT([failed, retrying with Qt4])
else
AC_MSG_RESULT([failed])
AC_MSG_ERROR([cannot compile a simple Qt executable. Check you have the right \$QTDIR.])
fi
else
AC_MSG_RESULT([$qt_cv_libname])
fi
])
AC_DEFUN([QT_FIND_TOOL],
[
$1=
qt_major=4
if test "x$USE_QT6" != "xno" ; then
qt_major=6
elif test "x$USE_QT5" != "xno" ; then
qt_major=5
fi
qt_ext="qt$qt_major"
if test -n "$qt_cv_bin" ; then
AC_PATH_PROGS($1, [$2], [], $qt_cv_bin)
elif qtchooser -l 2>/dev/null | grep -q ^$qt_ext\$ >/dev/null ; then
AC_PATH_PROG(qtc_path, qtchooser, [], [$PATH])
AC_PATH_PROG($2_path, $2, [], [$PATH])
qtc_path=`dirname "$qtc_path"`
$2_path=`dirname "$$2_path"`
if test "$qtc_path" = "$$2_path" ; then
AC_CHECK_PROG($1, $2, [$2 -qt=$qt_ext],, [$PATH])
fi
fi
if test -z "$$1"; then
AC_CHECK_PROGS($1, [$2-$qt_ext $2$qt_major $2],[],$PATH)
fi
if test -z "$$1"; then
AC_MSG_ERROR([cannot find $2 binary.])
fi
])
dnl get Qt version we're using
AC_DEFUN([QT_GET_VERSION],
[
AC_CACHE_CHECK([Qt version],lyx_cv_qtversion,
[
SAVE_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$CPPFLAGS $QT_INCLUDES"
cat > conftest.$ac_ext <<EOF
#line __oline__ "configure"
#include "confdefs.h"
#include <qglobal.h>
"%%%"QT_VERSION_STR"%%%"
EOF
lyx_cv_qtversion=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | \
grep '^"%%%"' 2>/dev/null | \
sed -e 's/"%%%"//g' -e 's/"//g'`
rm -f conftest.$ac_ext
CPPFLAGS=$SAVE_CPPFLAGS
])
QTLIB_VERSION=$lyx_cv_qtversion
AC_SUBST(QTLIB_VERSION)
])
dnl start here
AC_DEFUN([QT_DO_IT_ALL],
[
dnl this variable is precious
AC_ARG_VAR(QTDIR, [the place where the Qt files are, e.g. /usr/lib/qt4])
AC_ARG_WITH(qt-dir, [AS_HELP_STRING([--with-qt-dir], [where the root of Qt is installed])],
[ qt_cv_dir=`eval echo "$withval"/` ])
AC_ARG_WITH(qt-includes, [AS_HELP_STRING([--with-qt-includes], [where the Qt includes are])],
[ qt_cv_includes=`eval echo "$withval"` ])
AC_ARG_WITH(qt-libraries, [AS_HELP_STRING([--with-qt-libraries], [where the Qt library is installed])],
[ qt_cv_libraries=`eval echo "$withval"` ])
dnl pay attention to $QTDIR unless overridden
if test -z "$qt_cv_dir"; then
qt_cv_dir=$QTDIR
fi
dnl derive inc/lib if needed
if test -n "$qt_cv_dir"; then
if test -z "$qt_cv_includes"; then
qt_cv_includes=$qt_cv_dir/include
fi
if test -z "$qt_cv_libraries"; then
qt_cv_libraries=$qt_cv_dir/lib
fi
fi
dnl compute the binary dir too
if test -n "$qt_cv_dir"; then
qt_cv_bin=$qt_cv_dir/bin
fi
dnl Preprocessor flags
QT_CPPFLAGS="-DQT_NO_STL -DQT_NO_KEYWORDS"
case ${host} in
*mingw*) QT_CPPFLAGS="-DQT_DLL $QT_CPPFLAGS";;
esac
AC_SUBST(QT_CPPFLAGS)
dnl Check if it possible to do a pkg-config
PKG_PROG_PKG_CONFIG
dnl Not possible with Qt6 (QTBUG-86080)
if test x$USE_QT6 = xno ; then
if test -n "$PKG_CONFIG" ; then
QT_DO_PKG_CONFIG
fi
if test "$pkg_failed" != "no" ; then
QT_DO_MANUAL_CONFIG
fi
else
QT6_QMAKE_CONFIG
if test -z "$QT_LIB"; then
QT_DO_MANUAL_CONFIG
fi
fi
if test -z "$QT_LIB"; then
dnl Try again with Qt5 and then Qt4 if configuring for Qt6/5 fails
if test x$USE_QT6 = xyes ; then
USE_QT6=no
USE_QT5=yes
AC_SUBST([USE_QT6])
AC_SUBST([USE_QT5])
if test -n "$PKG_CONFIG" ; then
QT_DO_PKG_CONFIG
fi
if test "$pkg_failed" != "no" ; then
QT_DO_MANUAL_CONFIG
fi
if test -z "$QT_LIB"; then
AC_MSG_ERROR([cannot find qt libraries.])
fi
elif test x$USE_QT5 = xyes ; then
USE_QT6=no
USE_QT5=no
AC_SUBST([USE_QT6])
AC_SUBST([USE_QT5])
if test -n "$PKG_CONFIG" ; then
QT_DO_PKG_CONFIG
fi
if test "$pkg_failed" != "no" ; then
QT_DO_MANUAL_CONFIG
fi
if test -z "$QT_LIB"; then
AC_MSG_ERROR([cannot find qt libraries.])
fi
else
AC_MSG_ERROR([cannot find qt libraries.])
fi
fi
dnl Check qt version
AS_VERSION_COMPARE($QTLIB_VERSION, $1,
[AC_MSG_ERROR([LyX requires at least version $1 of Qt. Only version $QTLIB_VERSION has been found.])
])
save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$save_CPPFLAGS $QT_CORE_INCLUDES"
AC_CHECK_HEADER(QtGui/qtgui-config.h,
[lyx_qt5_config=QtGui/qtgui-config.h],
[lyx_qt5_config=qconfig.h],[-])
AC_CHECK_HEADER(QtGui/private/qtgui-config_p.h,
[lyx_qt6_config=QtGui/private/qtgui-config_p.h],
[lyx_qt6_config=qconfig.h],[-])
AC_MSG_CHECKING([whether Qt uses the X Window system])
if test x$USE_QT6 = xyes ; then
dnl FIXME: Check whether defining QPA_XCB makes sense with Qt6
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
[#include <$lyx_qt6_config>]
[#if !defined(QT_FEATURE_xcb) || QT_FEATURE_xcb < 0]
[#error Fail]
[#endif]])],
[AC_MSG_RESULT(yes)
AC_DEFINE(QPA_XCB, 1, [Define if Qt uses the X Window System])],
[AC_MSG_RESULT(no)])
elif test x$USE_QT5 = xyes ; then
AC_EGREP_CPP(xcb,
[#include <$lyx_qt5_config>
QT_QPA_DEFAULT_PLATFORM_NAME],
[AC_MSG_RESULT(yes)
AC_DEFINE(QPA_XCB, 1, [Define if Qt uses the X Window System])],
[AC_MSG_RESULT(no)])
else
AC_PREPROC_IFELSE([AC_LANG_SOURCE([
[#include <qglobal.h>],
[#ifndef Q_WS_X11],
[#error Fail],
[#endif]])],
qt_use_x11=yes,
qt_use_x11=no)
AC_MSG_RESULT($qt_use_x11)
if test "x$qt_use_x11" = "xyes"; then
QT_LIB="$QT_LIB -lX11"
fi
fi
CPPFLAGS=$save_CPPFLAGS
QT_FIND_TOOL([QT_MOC], [moc])
QT_FIND_TOOL([QT_UIC], [uic])
QT_FIND_TOOL([QT_RCC], [rcc])
dnl Safety check
mocqtver=`$QT_MOC -v 2>&1 | sed -e 's/.*\([[0-9]]\.[[0-9]]*\.[[0-9]]\).*/\1/'`
if test "x$mocqtver" != "x$QTLIB_VERSION"; then
LYX_WARNING([The found moc compiler is for Qt $mocqtver but the Qt library version is $QTLIB_VERSION.])
fi
])
AC_DEFUN([QT_DO_PKG_CONFIG],
[
dnl tell pkg-config to look also in $qt_cv_dir/lib.
save_PKG_CONFIG_PATH=$PKG_CONFIG_PATH
if test -n "$qt_cv_dir" ; then
PKG_CONFIG_PATH=$qt_cv_dir/lib:$qt_cv_dir/lib/pkgconfig:$PKG_CONFIG_PATH
export PKG_CONFIG_PATH
fi
qt_corelibs="QtCore"
qt_guilibs="QtCore QtGui QtSvg"
if test "x$USE_QT5" != "xno" ; then
qt_corelibs="Qt5Core"
qt_guilibs="Qt5Core Qt5Concurrent Qt5Gui Qt5Svg Qt5Widgets"
lyx_use_x11extras=false
PKG_CHECK_EXISTS(Qt5X11Extras, [lyx_use_x11extras=true], [])
if $lyx_use_x11extras; then
qt_guilibs="$qt_guilibs Qt5X11Extras xcb"
AC_DEFINE(HAVE_QT5_X11_EXTRAS, 1,
[Define if you have the Qt5X11Extras module])
fi
lyx_use_winextras=false
PKG_CHECK_EXISTS(Qt5WinExtras, [lyx_use_winextras=true], [])
if $lyx_use_winextras; then
qt_guilibs="$qt_guilibs Qt5WinExtras"
fi
lyx_use_macextras=false
PKG_CHECK_EXISTS(Qt5MacExtras, [lyx_use_macextras=true], [])
if $lyx_use_macextras; then
qt_guilibs="$qt_guilibs Qt5MacExtras"
fi
fi
PKG_CHECK_MODULES(QT_CORE, $qt_corelibs,,[:])
if test "$pkg_failed" = "no" ; then
QT_CORE_INCLUDES=$QT_CORE_CFLAGS
AC_SUBST(QT_CORE_INCLUDES)
QT_CORE_LDFLAGS=`$PKG_CONFIG --libs-only-L $qt_corelibs`
AC_SUBST(QT_CORE_LDFLAGS)
QT_CORE_LIB=`$PKG_CONFIG --libs-only-l $qt_corelibs`
AC_SUBST(QT_CORE_LIB)
fi
PKG_CHECK_MODULES(QT_FRONTEND, $qt_guilibs,,[:])
if test "$pkg_failed" = "no" ; then
QT_INCLUDES=$QT_FRONTEND_CFLAGS
dnl QT_LDFLAGS=$QT_FRONTEND_LIBS
QT_LDFLAGS=`$PKG_CONFIG --libs-only-L $qt_guilibs`
AC_SUBST(QT_INCLUDES)
AC_SUBST(QT_LDFLAGS)
QTLIB_VERSION=`$PKG_CONFIG --modversion $qt_corelibs`
AC_SUBST(QTLIB_VERSION)
QT_LIB=`$PKG_CONFIG --libs-only-l $qt_guilibs`
AC_SUBST(QT_LIB)
dnl LIBS="$LIBS `$PKG_CONFIG --libs-only-other $qt_guilibs`"
fi
PKG_CONFIG_PATH=$save_PKG_CONFIG_PATH
dnl Actually, the values of QT_LIB and QT_CORE_LIB can be completely
dnl wrong on OS X, where everything goes to --libs-only-other.
dnl As a quick workaround, let us assign better values. A better patch
dnl exists for next cycle.
QT_CORE_LIB=$QT_CORE_LIBS
QT_CORE_LDFLAGS=
QT_LIB=$QT_FRONTEND_LIBS
QT_LDFLAGS=
])
AC_DEFUN([QT_DO_MANUAL_CONFIG],
[
dnl Check for X libraries
case ${host} in
*mingw*) ;;
*) \
AC_PATH_X \
AC_PATH_XTRA \
;;
esac
case $have_x in
yes) LIBS="$X_PRE_LIBS $LIBS $X_LIBS -lX11 $X_EXTRA_LIBS"
CPPFLAGS="$CPPFLAGS $X_CFLAGS";;
no) AC_MSG_ERROR([cannot find X window libraries and/or headers.]);;
disable) ;;
esac
dnl flags for compilation
QT_INCLUDES=
QT_LDFLAGS=
QT_CORE_INCLUDES=
QT_CORE_LDFLAGS=
if test -n "$qt_cv_includes"; then
QT_INCLUDES="-I$qt_cv_includes"
for i in Qt QtCore QtGui QtWidgets QtSvg QtConcurrent QtMacExtras; do
QT_INCLUDES="$QT_INCLUDES -I$qt_cv_includes/$i"
done
QT_CORE_INCLUDES="-I$qt_cv_includes -I$qt_cv_includes/QtCore"
fi
case "$qt_cv_libraries" in
*framework*)
QT_LDFLAGS="-F$qt_cv_libraries"
QT_CORE_LDFLAGS="-F$qt_cv_libraries"
;;
"")
;;
*)
QT_LDFLAGS="-L$qt_cv_libraries"
QT_CORE_LDFLAGS="-L$qt_cv_libraries"
;;
esac
AC_SUBST(QT_INCLUDES)
AC_SUBST(QT_CORE_INCLUDES)
AC_SUBST(QT_LDFLAGS)
AC_SUBST(QT_CORE_LDFLAGS)
QT_CHECK_COMPILE
QT_LIB=$qt_cv_libname;
AC_SUBST(QT_LIB)
AC_SUBST(QT_CORE_LIB)
if test -n "$qt_cv_libname"; then
QT_GET_VERSION
fi
])
AC_DEFUN([QT6_QMAKE_CONFIG],
[
dnl Use first suitable qmake in PATH
AC_CHECK_PROGS([QT_QMAKE], [qmake-qt6 qmake6], [qmake], $PATH)
AC_MSG_CHECKING([for Qt6])
qtver=`$QT_QMAKE -v | grep -o "Qt version ."`
if test "$qtver" = "Qt version 6"; then
dnl Use a .pro file for getting qmake's variables
lyx_test_qt_dir=`mktemp -d`
lyx_test_qt_pro="$lyx_test_qt_dir/test.pro"
lyx_test_qt_mak="$lyx_test_qt_dir/Makefile"
cat > $lyx_test_qt_pro << EOF1
qtHaveModule(core): QT += core
qtHaveModule(core5compat): QT += core5compat
percent.target = %
percent.commands = @echo -n "\$(\$(@))\ "
QMAKE_EXTRA_TARGETS += percent
EOF1
$QT_QMAKE $lyx_test_qt_pro -o $lyx_test_qt_mak 1>/dev/null 2>&1
QT_CORE_INCLUDES=`cd $lyx_test_qt_dir; make -s -f $lyx_test_qt_mak INCPATH | sed 's/-I\. //g'`
qt_corelibs=`cd $lyx_test_qt_dir; make -s -f $lyx_test_qt_mak LIBS`
QT_CORE_LDFLAGS=`echo $qt_corelibs | tr ' ' '\n' | grep -e "^-L" | tr '\n' ' '`
if test -z "$QT_CORE_LDFLAGS"; then
QT_CORE_LDFLAGS="-L`$QT_QMAKE -query QT_INSTALL_LIBS`"
QT_CORE_LIB="$qt_corelibs"
else
QT_CORE_LIB=`echo $qt_corelibs | tr ' ' '\n' | grep -e "^-l" | tr '\n' ' '`
fi
if test -z "$QT_CORE_LIB"; then
AC_MSG_RESULT(no)
else
AC_SUBST(QT_CORE_INCLUDES)
AC_SUBST(QT_CORE_LDFLAGS)
AC_SUBST(QT_CORE_LIB)
cat > $lyx_test_qt_pro << EOF2
qtHaveModule(core): QT += core
qtHaveModule(core5compat): QT += core5compat
qtHaveModule(concurrent): QT += concurrent
qtHaveModule(gui): QT += gui
qtHaveModule(svg): QT += svg
qtHaveModule(widgets): QT += widgets
percent.target = %
percent.commands = @echo -n "\$(\$(@))\ "
QMAKE_EXTRA_TARGETS += percent
EOF2
$QT_QMAKE $lyx_test_qt_pro -o $lyx_test_qt_mak 1>/dev/null 2>&1
QT_INCLUDES=`cd $lyx_test_qt_dir; make -s -f $lyx_test_qt_mak INCPATH | sed 's/-I\. //g'`
qt_guilibs=`cd $lyx_test_qt_dir; make -s -f $lyx_test_qt_mak LIBS`
QT_LDFLAGS=`echo $qt_guilibs | tr ' ' '\n' | grep -e "^-L" | tr '\n' ' '`
if test -z "$QT_LDFLAGS"; then
QT_LDFLAGS="-L`$QT_QMAKE -query QT_INSTALL_LIBS`"
QT_LIB="$qt_guilibs"
else
QT_LIB=`echo $qt_guilibs | tr ' ' '\n' | grep -e "^-l" | tr '\n' ' '`
fi
QTLIB_VERSION=`$QT_QMAKE -v | grep "Qt version" | sed -e 's/.*\([[0-9]]\.[[0-9]]*\.[[0-9]]\).*/\1/'`
if test -z "$QT_LIB"; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(yes)
AC_SUBST(QT_INCLUDES)
AC_SUBST(QT_LDFLAGS)
AC_SUBST(QT_LIB)
AC_SUBST(QTLIB_VERSION)
fi
fi
rm $lyx_test_qt_pro $lyx_test_qt_mak $lyx_test_qt_dir/.qmake.stash
rmdir $lyx_test_qt_dir
else
AC_MSG_RESULT(no)
fi
])