+dnl Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
+dnl
+dnl Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+dnl CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+dnl
+dnl This library is free software; you can redistribute it and/or
+dnl modify it under the terms of the GNU Lesser General Public
+dnl License as published by the Free Software Foundation; either
+dnl version 2.1 of the License.
+dnl
+dnl This library is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+dnl Lesser General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU Lesser General Public
+dnl License along with this library; if not, write to the Free Software
+dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+dnl
+dnl See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+dnl
+AC_DEFUN([CHECK_QWT],[
+AC_REQUIRE([CHECK_QT])dnl
+AC_REQUIRE([AC_LINKER_OPTIONS])dnl
+
+AC_CHECKING(for qwt)
+
+AC_LANG_SAVE
+AC_LANG_CPLUSPLUS
+
+qwt_ok=yes
+
+dnl where is qwt ?
+
+AC_ARG_WITH(qwt,
+ [ --with-qwt=DIR directory path to QWT installation ],
+ [QWTHOME="$withval"
+ AC_MSG_RESULT("select $withval as path to QWT")
+ ])
+
+AC_ARG_WITH(qwt_inc,
+ [ --with-qwt_inc=DIR directory path to QWT includes ],
+ [QWT_INCDIR="$withval"
+ AC_MSG_RESULT("select $withval as path to QWT includes")
+ ])
+
+libqwt_name=qwt
+if test -z $QWTHOME; then
+ AC_MSG_RESULT(QWTHOME not defined)
+ AC_MSG_NOTICE(Trying native Qwt...)
+ exist_ok=no
+ if test "x$exist_ok" = "xno"; then
+ for d in /usr /usr/local ; do
+ for extension in qwt-qt4 qwt; do
+ AC_CHECK_FILE(${d}/lib${LIB_LOCATION_SUFFIX}/lib${extension}.so,exist_ok=yes,exist_ok=no)
+ if test "x$exist_ok" = "xyes"; then
+ QWTHOME=$d
+ AC_MSG_RESULT(lib${extension}.so detected in $d/lib)
+ libqwt_name=${extension}
+ dnl break, libqwt-qt4.so is choosen before libqwt.so since it is surely the Qt4 version.
+ break
+ fi
+ done
+ if test "x$exist_ok" = "xyes"; then
+ break
+ fi
+ done
+ fi
+ if test "x$exist_ok" = "xno"; then
+ for d in `echo $LD_LIBRARY_PATH | sed -e "s/:/ /g"` ; do
+ if test -f $d/libqwt.so ; then
+ AC_MSG_RESULT(libqwt.so detected in $d)
+ QWTHOME=$d
+ QWTHOME=`echo ${QWTHOME} | sed -e "s,[[^/]]*$,,;s,/$,,;s,^$,.,"`
+ exist_ok=yes
+ break
+ fi
+ done
+ fi
+ if test "x$exist_ok" = "xyes"; then
+ if test -z $QWT_INCDIR; then
+ QWT_INCDIR=$QWTHOME"/include/qwt-qt4"
+ if test ! -f $QWT_INCDIR/qwt.h ; then
+ QWT_INCDIR=/usr/include/qwt
+ fi
+ if test ! -f $QWT_INCDIR/qwt.h ; then
+ QWT_INCDIR=$QWTHOME"/include"
+ fi
+ if test ! -f $QWT_INCDIR/qwt.h ; then
+ QWT_INCDIR=/usr/lib/qt4/include/qwt
+ fi
+ if test ! -f $QWT_INCDIR/qwt.h ; then
+ QWT_INCDIR=/usr/include/qwt-qt4
+ fi
+ fi
+ else
+ qwt_ok=no
+ fi
+else
+ AC_MSG_NOTICE(Trying Qwt from $QWTHOME ...)
+ if test -z $QWT_INCDIR; then
+ QWT_INCDIR="$QWTHOME/include"
+ fi
+fi
+
+if test "x$qwt_ok" = xno -o ! -d "$QWTHOME" ; then
+ AC_MSG_RESULT(no)
+ AC_MSG_WARN(qwt not found)
+ qwt_ok=no
+else
+ CPPFLAGS_old=$CPPFLAGS
+ CPPFLAGS="$CPPFLAGS $QT_INCLUDES -I$QWT_INCDIR"
+
+ AC_CHECK_HEADER(qwt.h,qwt_ok=yes,qwt_ok=no)
+ CPPFLAGS=$CPPFLAGS_old
+
+ AC_MSG_CHECKING(include of qwt headers)
+
+ if test "x$qwt_ok" = xno ; then
+ AC_MSG_RESULT(no)
+ AC_MSG_WARN(qwt not found)
+ else
+ AC_MSG_RESULT(yes)
+ QWT_INCLUDES=-I$QWT_INCDIR
+ fi
+
+ #
+ # test Qwt libraries
+ #
+ if test "x$qwt_ok" = "xyes" ; then
+ AC_MSG_CHECKING(linking qwt library)
+
+ LIBS_old=$LIBS
+ LIBS="$LIBS $QT_LIBS"
+ if test "x$QWTHOME" = "x/usr" ; then
+ LIBS="$LIBS -l${libqwt_name}"
+ else
+ LIBS="$LIBS -L$QWTHOME/lib -l${libqwt_name}"
+ fi
+
+ CXXFLAGS_old=$CXXFLAGS
+ CXXFLAGS="$CXXFLAGS $QT_INCLUDES $QWT_INCLUDES"
+
+ AC_CACHE_VAL(salome_cv_lib_qwt,[
+ AC_TRY_LINK(
+#include <QApplication>
+#include <qwt_plot.h>
+, int n;
+ char **s;
+ QApplication a(n, s);
+ QwtPlot p;
+ p.resize( 600, 400 );
+ p.show();
+ a.exec();,
+ eval "salome_cv_lib_qwt=yes",eval "salome_cv_lib_qwt=no")
+ ])
+ qwt_ok="$salome_cv_lib_qwt"
+
+ if test "x$qwt_ok" = "xno" ; then
+ AC_MSG_RESULT(unable to link with qwt library)
+ AC_MSG_RESULT(QWTHOME environment variable may be wrong)
+ else
+ AC_MSG_RESULT(yes)
+ if test "x$QWTHOME" = "x/usr" ; then
+ QWT_LIBS=" -l${libqwt_name}"
+ else
+ QWT_LIBS="-L$QWTHOME/lib -l${libqwt_name}"
+ fi
+ fi
+
+ LIBS=$LIBS_old
+ CXXFLAGS=$CXXFLAGS_old
+ fi
+fi
+
+AC_SUBST(QWT_INCLUDES)
+AC_SUBST(QWT_LIBS)
+
+AC_LANG_RESTORE
+
+AC_MSG_RESULT(for qwt: $qwt_ok)
+
+# Save cache
+AC_CACHE_SAVE
+
+])dnl
+dnl
