gr-air-modes/config/.svn/text-base/bnv_have_qt.m4.svn-base
2010-09-14 22:01:56 -07:00

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dnl Available from the GNU Autoconf Macro Archive at:
dnl http://www.gnu.org/software/ac-archive/htmldoc/bnv_have_qt.html
dnl
AC_DEFUN([BNV_HAVE_QT],
[
dnl THANKS! This code includes bug fixes by:
dnl Tim McClarren.
AC_REQUIRE([AC_PROG_CXX])
AC_REQUIRE([AC_PATH_X])
AC_REQUIRE([AC_PATH_XTRA])
AC_MSG_CHECKING(for Qt)
AC_ARG_WITH([Qt-dir],
[ --with-Qt-dir=DIR DIR is equal to \$QTDIR if you have followed the
installation instructions of Trolltech. Header
files are in DIR/include, binary utilities are
in DIR/bin and the library is in DIR/lib])
AC_ARG_WITH([Qt-include-dir],
[ --with-Qt-include-dir=DIR
Qt header files are in DIR])
AC_ARG_WITH([Qt-bin-dir],
[ --with-Qt-bin-dir=DIR Qt utilities such as moc and uic are in DIR])
AC_ARG_WITH([Qt-lib-dir],
[ --with-Qt-lib-dir=DIR The Qt library is in DIR])
AC_ARG_WITH([Qt-lib],
[ --with-Qt-lib=LIB Use -lLIB to link with the Qt library])
if test x"$with_Qt_dir" = x"no" ||
test x"$with_Qt_include-dir" = x"no" ||
test x"$with_Qt_bin_dir" = x"no" ||
test x"$with_Qt_lib_dir" = x"no" ||
test x"$with_Qt_lib" = x"no"; then
# user disabled Qt. Leave cache alone.
have_qt="User disabled Qt."
else
# "yes" is a bogus option
if test x"$with_Qt_dir" = xyes; then
with_Qt_dir=
fi
if test x"$with_Qt_include_dir" = xyes; then
with_Qt_include_dir=
fi
if test x"$with_Qt_bin_dir" = xyes; then
with_Qt_bin_dir=
fi
if test x"$with_Qt_lib_dir" = xyes; then
with_Qt_lib_dir=
fi
if test x"$with_Qt_lib" = xyes; then
with_Qt_lib=
fi
# No Qt unless we discover otherwise
have_qt=no
# Check whether we are requested to link with a specific version
if test x"$with_Qt_lib" != x; then
bnv_qt_lib="$with_Qt_lib"
fi
# Check whether we were supplied with an answer already
if test x"$with_Qt_dir" != x; then
have_qt=yes
bnv_qt_dir="$with_Qt_dir"
bnv_qt_include_dir="$with_Qt_dir/include"
bnv_qt_bin_dir="$with_Qt_dir/bin"
bnv_qt_lib_dir="$with_Qt_dir/lib"
# Only search for the lib if the user did not define one already
if test x"$bnv_qt_lib" = x; then
bnv_qt_lib="`ls $bnv_qt_lib_dir/libqt* | sed -n 1p |
sed s@$bnv_qt_lib_dir/lib@@ | [sed s@[.].*@@]`"
fi
bnv_qt_LIBS="-L$bnv_qt_lib_dir -l$bnv_qt_lib $X_PRE_LIBS $X_LIBS -lX11 -lXext -lXmu -lXt -lXi $X_EXTRA_LIBS"
else
# Use cached value or do search, starting with suggestions from
# the command line
AC_CACHE_VAL(bnv_cv_have_qt,
[
# We are not given a solution and there is no cached value.
bnv_qt_dir=NO
bnv_qt_include_dir=NO
bnv_qt_lib_dir=NO
if test x"$bnv_qt_lib" = x; then
bnv_qt_lib=NO
fi
BNV_PATH_QT_DIRECT
if test "$bnv_qt_dir" = NO ||
test "$bnv_qt_include_dir" = NO ||
test "$bnv_qt_lib_dir" = NO ||
test "$bnv_qt_lib" = NO; then
# Problem with finding complete Qt. Cache the known absence of Qt.
bnv_cv_have_qt="have_qt=no"
else
# Record where we found Qt for the cache.
bnv_cv_have_qt="have_qt=yes \
bnv_qt_dir=$bnv_qt_dir \
bnv_qt_include_dir=$bnv_qt_include_dir \
bnv_qt_bin_dir=$bnv_qt_bin_dir \
bnv_qt_LIBS=\"$bnv_qt_LIBS\""
fi
])dnl
eval "$bnv_cv_have_qt"
fi # all $bnv_qt_* are set
fi # $have_qt reflects the system status
if test x"$have_qt" = xyes; then
QT_CXXFLAGS="-I$bnv_qt_include_dir"
QT_DIR="$bnv_qt_dir"
QT_LIBS="$bnv_qt_LIBS"
# If bnv_qt_dir is defined, utilities are expected to be in the
# bin subdirectory
if test x"$bnv_qt_dir" != x; then
if test -x "$bnv_qt_dir/bin/uic"; then
QT_UIC="$bnv_qt_dir/bin/uic"
else
# Old versions of Qt don't have uic
QT_UIC=
fi
QT_MOC="$bnv_qt_dir/bin/moc"
else
# Or maybe we are told where to look for the utilities
if test x"$bnv_qt_bin_dir" != x; then
if test -x "$bnv_qt_bin_dir/uic"; then
QT_UIC="$bnv_qt_bin_dir/uic"
else
# Old versions of Qt don't have uic
QT_UIC=
fi
QT_MOC="$bnv_qt_bin_dir/moc"
else
# Last possibility is that they are in $PATH
QT_UIC="`which uic`"
QT_MOC="`which moc`"
fi
fi
# All variables are defined, report the result
AC_MSG_RESULT([$have_qt:
QT_CXXFLAGS=$QT_CXXFLAGS
QT_DIR=$QT_DIR
QT_LIBS=$QT_LIBS
QT_UIC=$QT_UIC
QT_MOC=$QT_MOC])
else
# Qt was not found
QT_CXXFLAGS=
QT_DIR=
QT_LIBS=
QT_UIC=
QT_MOC=
AC_MSG_RESULT($have_qt)
fi
AC_SUBST(QT_CXXFLAGS)
AC_SUBST(QT_DIR)
AC_SUBST(QT_LIBS)
AC_SUBST(QT_UIC)
AC_SUBST(QT_MOC)
#### Being paranoid:
if test x"$have_qt" = xyes; then
AC_MSG_CHECKING(correct functioning of Qt installation)
AC_CACHE_VAL(bnv_cv_qt_test_result,
[
cat > bnv_qt_test.h << EOF
#include <qobject.h>
class Test : public QObject
{
Q_OBJECT
public:
Test() {}
~Test() {}
public slots:
void receive() {}
signals:
void send();
};
EOF
cat > bnv_qt_main.$ac_ext << EOF
#include "bnv_qt_test.h"
#include <qapplication.h>
int main( int argc, char **argv )
{
QApplication app( argc, argv );
Test t;
QObject::connect( &t, SIGNAL(send()), &t, SLOT(receive()) );
}
EOF
bnv_cv_qt_test_result="failure"
bnv_try_1="$QT_MOC bnv_qt_test.h -o moc_bnv_qt_test.$ac_ext >/dev/null 2>bnv_qt_test_1.out"
AC_TRY_EVAL(bnv_try_1)
bnv_err_1=`grep -v '^ *+' bnv_qt_test_1.out | grep -v "^bnv_qt_test.h\$"`
if test x"$bnv_err_1" != x; then
echo "$bnv_err_1" >&AC_FD_CC
echo "configure: could not run $QT_MOC on:" >&AC_FD_CC
cat bnv_qt_test.h >&AC_FD_CC
else
bnv_try_2="$CXX $QT_CXXFLAGS -c $CXXFLAGS -o moc_bnv_qt_test.o moc_bnv_qt_test.$ac_ext >/dev/null 2>bnv_qt_test_2.out"
AC_TRY_EVAL(bnv_try_2)
bnv_err_2=`grep -v '^ *+' bnv_qt_test_2.out | grep -v "^bnv_qt_test.{$ac_ext}\$"`
if test x"$bnv_err_2" != x; then
echo "$bnv_err_2" >&AC_FD_CC
echo "configure: could not compile:" >&AC_FD_CC
cat bnv_qt_test.$ac_ext >&AC_FD_CC
else
bnv_try_3="$CXX $QT_CXXFLAGS -c $CXXFLAGS -o bnv_qt_main.o bnv_qt_main.$ac_ext >/dev/null 2>bnv_qt_test_3.out"
AC_TRY_EVAL(bnv_try_3)
bnv_err_3=`grep -v '^ *+' bnv_qt_test_3.out | grep -v "^bnv_qt_main.{$ac_ext}\$"`
if test x"$bnv_err_3" != x; then
echo "$bnv_err_3" >&AC_FD_CC
echo "configure: could not compile:" >&AC_FD_CC
cat bnv_qt_main.$ac_ext >&AC_FD_CC
else
bnv_try_4="$CXX $QT_LIBS $LIBS -o bnv_qt_main bnv_qt_main.o moc_bnv_qt_test.o >/dev/null 2>bnv_qt_test_4.out"
AC_TRY_EVAL(bnv_try_4)
bnv_err_4=`grep -v '^ *+' bnv_qt_test_4.out`
if test x"$bnv_err_4" != x; then
echo "$bnv_err_4" >&AC_FD_CC
else
bnv_cv_qt_test_result="success"
fi
fi
fi
fi
])dnl AC_CACHE_VAL bnv_cv_qt_test_result
AC_MSG_RESULT([$bnv_cv_qt_test_result]);
if test x"$bnv_cv_qt_test_result" = "xfailure"; then
# working Qt was not found
QT_CXXFLAGS=
QT_DIR=
QT_LIBS=
QT_UIC=
QT_MOC=
have_qt=no
AC_MSG_WARN([Failed to find matching components of a complete
Qt installation. Try using more options,
see ./configure --help.])
fi
rm -f bnv_qt_test.h moc_bnv_qt_test.$ac_ext moc_bnv_qt_test.o \
bnv_qt_main.$ac_ext bnv_qt_main.o bnv_qt_main \
bnv_qt_test_1.out bnv_qt_test_2.out bnv_qt_test_3.out bnv_qt_test_4.out
fi
])
dnl Internal subroutine of BNV_HAVE_QT
dnl Set bnv_qt_dir bnv_qt_include_dir bnv_qt_bin_dir bnv_qt_lib_dir bnv_qt_lib
dnl Copyright 2001 Bastiaan N. Veelo <Bastiaan.N.Veelo@immtek.ntnu.no>
AC_DEFUN([BNV_PATH_QT_DIRECT],
[
## Binary utilities ##
if test x"$with_Qt_bin_dir" != x; then
bnv_qt_bin_dir=$with_Qt_bin_dir
fi
## Look for header files ##
if test x"$with_Qt_include_dir" != x; then
bnv_qt_include_dir="$with_Qt_include_dir"
else
# The following header file is expected to define QT_VERSION.
qt_direct_test_header=qglobal.h
# Look for the header file in a standard set of common directories.
bnv_include_path_list="
/usr/include
`ls -dr /usr/include/qt* 2>/dev/null`
`ls -dr /usr/lib/qt*/include 2>/dev/null`
`ls -dr /usr/local/qt*/include 2>/dev/null`
`ls -dr /opt/qt*/include 2>/dev/null`
"
for bnv_dir in $bnv_include_path_list; do
if test -r "$bnv_dir/$qt_direct_test_header"; then
bnv_dirs="$bnv_dirs $bnv_dir"
fi
done
# Now look for the newest in this list
bnv_prev_ver=0
for bnv_dir in $bnv_dirs; do
bnv_this_ver=`egrep -w '#define QT_VERSION' $bnv_dir/$qt_direct_test_header | sed s/'#define QT_VERSION'//`
if expr $bnv_this_ver '>' $bnv_prev_ver > /dev/null; then
bnv_qt_include_dir=$bnv_dir
bnv_prev_ver=$bnv_this_ver
fi
done
fi dnl Found header files.
# Are these headers located in a traditional Trolltech installation?
# That would be $bnv_qt_include_dir stripped from its last element:
bnv_possible_qt_dir=`dirname $bnv_qt_include_dir`
if test -x $bnv_possible_qt_dir/bin/moc &&
ls $bnv_possible_qt_dir/lib/libqt* > /dev/null; then
# Then the rest is a piece of cake
bnv_qt_dir=$bnv_possible_qt_dir
bnv_qt_bin_dir="$bnv_qt_dir/bin"
bnv_qt_lib_dir="$bnv_qt_dir/lib"
# Only look for lib if the user did not supply it already
if test x"$bnv_qt_lib" = xNO; then
bnv_qt_lib="`ls $bnv_qt_lib_dir/libqt* | sed -n 1p |
sed s@$bnv_qt_lib_dir/lib@@ | [sed s@[.].*@@]`"
fi
bnv_qt_LIBS="-L$bnv_qt_lib_dir -l$bnv_qt_lib $X_PRE_LIBS $X_LIBS -lX11 -lXext -lXmu -lXt -lXi $X_EXTRA_LIBS"
else
# There is no valid definition for $QTDIR as Trolltech likes to see it
bnv_qt_dir=
## Look for Qt library ##
if test x"$with_Qt_lib_dir" != x; then
bnv_qt_lib_dir="$with_Qt_lib_dir"
# Only look for lib if the user did not supply it already
if test x"$bnv_qt_lib" = xNO; then
bnv_qt_lib="`ls $bnv_qt_lib_dir/libqt* | sed -n 1p |
sed s@$bnv_qt_lib_dir/lib@@ | [sed s@[.].*@@]`"
fi
bnv_qt_LIBS="-L$bnv_qt_lib_dir -l$bnv_qt_lib $X_PRE_LIBS $X_LIBS -lX11 -lXext -lXmu -lXt -lXi $X_EXTRA_LIBS"
else
# Normally, when there is no traditional Trolltech installation,
# the library is installed in a place where the linker finds it
# automatically.
# If the user did not define the library name, try with qt
if test x"$bnv_qt_lib" = xNO; then
bnv_qt_lib=qt
fi
qt_direct_test_header=qapplication.h
qt_direct_test_main="
int argc;
char ** argv;
QApplication app(argc,argv);
"
# See if we find the library without any special options.
# Don't add top $LIBS permanently yet
bnv_save_LIBS="$LIBS"
LIBS="-l$bnv_qt_lib $X_PRE_LIBS $X_LIBS -lX11 -lXext -lXmu -lXt -lXi $X_EXTRA_LIBS"
bnv_qt_LIBS="$LIBS"
bnv_save_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="-I$bnv_qt_include_dir"
AC_TRY_LINK([#include <$qt_direct_test_header>],
$qt_direct_test_main,
[
# Success.
# We can link with no special library directory.
bnv_qt_lib_dir=
], [
# That did not work. Try the multi-threaded version
echo "Non-critical error, please neglect the above." >&AC_FD_CC
bnv_qt_lib=qt-mt
LIBS="-l$bnv_qt_lib $X_PRE_LIBS $X_LIBS -lX11 -lXext -lXmu -lXt -lXi $X_EXTRA_LIBS"
AC_TRY_LINK([#include <$qt_direct_test_header>],
$qt_direct_test_main,
[
# Success.
# We can link with no special library directory.
bnv_qt_lib_dir=
], [
# That did not work. Try the OpenGL version
echo "Non-critical error, please neglect the above." >&AC_FD_CC
bnv_qt_lib=qt-gl
LIBS="-l$bnv_qt_lib $X_PRE_LIBS $X_LIBS -lX11 -lXext -lXmu -lXt -lXi $X_EXTRA_LIBS"
AC_TRY_LINK([#include <$qt_direct_test_header>],
$qt_direct_test_main,
[
# Succes.
# We can link with no special library directory.
bnv_qt_lib_dir=
], [
# That did not work. Maybe a library version I don't know about?
echo "Non-critical error, please neglect the above." >&AC_FD_CC
# Look for some Qt lib in a standard set of common directories.
bnv_dir_list="
`echo $bnv_qt_includes | sed ss/includess`
/lib
/usr/lib
/usr/local/lib
/opt/lib
`ls -dr /usr/lib/qt* 2>/dev/null`
`ls -dr /usr/local/qt* 2>/dev/null`
`ls -dr /opt/qt* 2>/dev/null`
"
for bnv_dir in $bnv_dir_list; do
if ls $bnv_dir/libqt*; then
# Gamble that it's the first one...
bnv_qt_lib="`ls $bnv_dir/libqt* | sed -n 1p |
sed s@$bnv_dir/lib@@ | sed s/[.].*//`"
bnv_qt_lib_dir="$bnv_dir"
break
fi
done
# Try with that one
LIBS="-l$bnv_qt_lib $X_PRE_LIBS $X_LIBS -lX11 -lXext -lXmu -lXt -lXi $X_EXTRA_LIBS"
AC_TRY_LINK([#include <$qt_direct_test_header>],
$qt_direct_test_main,
[
# Succes.
# We can link with no special library directory.
bnv_qt_lib_dir=
], [
# Leave bnv_qt_lib_dir defined
])
])
])
])
if test x"$bnv_qt_lib_dir" != x; then
bnv_qt_LIBS="-l$bnv_qt_lib_dir $LIBS"
else
bnv_qt_LIBS="$LIBS"
fi
LIBS="$bnv_save_LIBS"
CXXFLAGS="$bnv_save_CXXFLAGS"
fi dnl $with_Qt_lib_dir was not given
fi dnl Done setting up for non-traditional Trolltech installation
])