dnl configure.in for the Project::OSiRiON zon editor
dnl
dnl see also http://qtnode.net/wiki/Qt_with_autotools
dnl

AC_INIT(editor,0.1)

AC_CONFIG_HEADERS(src/config.h)

AM_INIT_AUTOMAKE
AC_PROG_CC
AC_PROG_CXX

AC_MSG_CHECKING(QT4.1 directory)

QTDIR=xxx
AC_ARG_WITH([qt-dir],
             AC_HELP_STRING([--with-qt-dir=/path/to/Qt-4.1.0],
                            [to specify the path to the Qt-4.1.0 directory.]),
             [QTPATHS="$withval"],
             [QTPATHS="/usr /usr/qt4 /opt/qt4"])

for x in $QTPATHS; do
    if test -d $x ; then
       QTDIR="$x"
    fi
done
if test $QTDIR = xxx ; then
   AC_MSG_ERROR(Could not locate QT 4.1)
fi
AC_MSG_RESULT($QTDIR)
host=`uname -a` # AC_CANONICAL_HOST is broken at the time of this writing.
case $host in
  MINGW32*)
    AC_MSG_NOTICE($host)
    QTLIBS="-L$QTDIR/lib -lopengl32 -lglu32 -lgdi32 -luser32 -lmingw32 -lqtmain -lQtOpenGL4 -lQtGui4 -lQtCore4 -mthreads -Wl,-enable-stdcall-fixup -Wl,-enable-auto-import -Wl,-enable-runtime-pseudo-reloc -Wl,-s -Wl,-s -Wl,-subsystem,windows"
    QTINC="-I$QTDIR/include -I$QTDIR/include/QtCore -I$QTDIR/include/QtGui -I$QTDIR/include/QtOpenGL -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_NO_DEBUG -DQT_OPENGL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_THREAD_SUPPORT -DQT_NEEDS_QMAIN -frtti -fexceptions"
    QTBIN="$QTDIR/bin"
    ;;
  *)
    AC_MSG_NOTICE($host)
    AC_PATH_XTRA
    QTLIBS="-Wl,-rpath,$QTDIR/lib -L$QTDIR/lib -lQtGui -lQtOpenGL -lQtCore $X_LIBS -lX11 -lXext -lXmu -lXt -lXi $X_EXTRA_LIBS -lGLU -lGL -lpthread"
    QTINC="-I$QTDIR/include -I$QTDIR/include/QtGui -I$QTDIR/include/QtCore -I$QTDIR/include/QtOpenGL $X_CFLAGS -DQT_OPENGL_LIB -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED"
    QTBIN="$QTDIR/bin"
    ;;
esac

LIBS="$LIBS $QTLIBS"
INCLUDES="$INCLUDES $QTINC"
PATH="$PATH:$QTBIN"
CXXFLAGS="$CXXFLAGS $QTINC"

# Now we check whether we can actually build a Qt app.
cat > myqt.h << EOF
#include <QObject>
class Test : public QObject
{
Q_OBJECT
public:
  Test() {}
  ~Test() {}
public slots:
  void receive() {}
signals:
  void send();
};
EOF

cat > myqt.cpp << EOF
#include "myqt.h"
#include <QApplication>
int main( int argc, char **argv )
{
  QApplication app( argc, argv );
  Test t;
  QObject::connect( &t, SIGNAL(send()), &t, SLOT(receive()) );
}
EOF

AC_MSG_CHECKING(does moc work)
bnv_try_1="moc myqt.h -o moc_myqt.cpp"
AC_TRY_EVAL(bnv_try_1)
if test x"$ac_status" != x0; then
   AC_MSG_ERROR(moc doesn't work)
fi
AC_MSG_RESULT(yes)
AC_MSG_CHECKING(can I compile moc_myqt.cpp)
bnv_try_2="$CXX -c $CXXFLAGS -o moc_myqt.o moc_myqt.cpp"
AC_TRY_EVAL(bnv_try_2)
if test x"$ac_status" != x0; then
   AC_MSG_ERROR(couldn't compile moc_myqt.cpp)
fi
AC_MSG_RESULT(yes)
AC_MSG_CHECKING(can I compile myqt.cpp)
bnv_try_3="$CXX $QTINC -c $CXXFLAGS -o myqt.o myqt.cpp"
AC_TRY_EVAL(bnv_try_3)
if test x"$ac_status" != x0; then
   AC_MSG_ERROR(couldn't compile myqt.cpp)
fi
AC_MSG_RESULT(yes)
AC_MSG_CHECKING(can I link against QT)
nv_try_4="$CXX $LIBS -o myqt myqt.o moc_myqt.o"
AC_TRY_EVAL(bnv_try_4)
if test x"$ac_status" != x0; then
   AC_MSG_ERROR(couldn't link)
fi
AC_MSG_RESULT(yes)

AC_MSG_CHECKING(for mkoctfile)
AC_TRY_EVAL(mkoctfile)
if test x"$ac_status" != x0; then
   AC_MSG_ERROR(mkoctfile is not in the path)
fi
AC_MSG_RESULT(yes)
rm -f moc_myqt.cpp myqt.h myqt.cpp myqt.o myqt moc_myqt.o

AC_CONFIG_FILES(Makefile src/Makefile)
AC_OUTPUT