adm_local/unix/config_files/check_qwt.m4

   1 dnl  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
   2 dnl
   3 dnl  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 dnl  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 dnl
   6 dnl  This library is free software; you can redistribute it and/or
   7 dnl  modify it under the terms of the GNU Lesser General Public
   8 dnl  License as published by the Free Software Foundation; either
   9 dnl  version 2.1 of the License.
  10 dnl
  11 dnl  This library is distributed in the hope that it will be useful,
  12 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 dnl  Lesser General Public License for more details.
  15 dnl
  16 dnl  You should have received a copy of the GNU Lesser General Public
  17 dnl  License along with this library; if not, write to the Free Software
  18 dnl  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 dnl
  20 dnl  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 dnl
  22 AC_DEFUN([CHECK_QWT],[
  23 AC_REQUIRE([CHECK_QT])dnl
  24 AC_REQUIRE([AC_LINKER_OPTIONS])dnl
  25
  26 AC_CHECKING(for qwt)
  27
  28 AC_LANG_SAVE
  29 AC_LANG_CPLUSPLUS
  30
  31 qwt_ok=yes
  32
  33 dnl where is qwt ?
  34
  35 AC_ARG_WITH(qwt,
  36     [  --with-qwt=DIR     directory path to QWT installation ],
  37     [QWTHOME="$withval"
  38       AC_MSG_RESULT("select $withval as path to QWT")
  39     ])
  40
  41 AC_ARG_WITH(qwt_inc,
  42     [  --with-qwt_inc=DIR   directory path to QWT includes ],
  43     [QWT_INCDIR="$withval"
  44       AC_MSG_RESULT("select $withval as path to QWT includes")
  45     ])
  46
  47 libqwt_name=qwt
  48 if test -z $QWTHOME; then
  49   AC_MSG_RESULT(QWTHOME not defined)
  50   exist_ok=no
  51   if test "x$exist_ok" = "xno"; then
  52      for d in /usr /usr/local ; do
  53         for extension in qwt qwt-qt4; do
  54            AC_CHECK_FILE(${d}/lib${LIB_LOCATION_SUFFIX}/lib${extension}.so,exist_ok=yes,exist_ok=no)
  55            if test "x$exist_ok" = "xyes"; then
  56               QWTHOME=$d
  57               AC_MSG_RESULT(lib${extension}.so detected in $d/lib)
  58               libqwt_name=${extension}
  59               dnl  No break here, libqwt-qt4.so is choosen even if libqwt.so is present: if 2 are present, in most of cases, libqwt.so is Qt3 version.
  60            fi
  61         done
  62         if test "x$exist_ok" = "xyes"; then
  63            break
  64         fi
  65      done
  66   fi
  67   if test "x$exist_ok" = "xno"; then
  68      for d in `echo $LD_LIBRARY_PATH | sed -e "s/:/ /g"` ; do
  69         if test -f $d/libqwt.so ; then
  70            AC_MSG_RESULT(libqwt.so detected in $d)
  71            QWTHOME=$d
  72            QWTHOME=`echo ${QWTHOME} | sed -e "s,[[^/]]*$,,;s,/$,,;s,^$,.,"`
  73            exist_ok=yes
  74            break
  75         fi
  76      done
  77   fi
  78   if test "x$exist_ok" = "xyes"; then
  79      if test -z $QWT_INCDIR; then
  80         QWT_INCDIR=$QWTHOME"/include/qwt"
  81         if test ! -f $QWT_INCDIR/qwt.h ; then
  82           QWT_INCDIR=$QWTHOME"/include"
  83         fi
  84         if test ! -f $QWT_INCDIR/qwt.h ; then
  85           QWT_INCDIR=/usr/lib/qt4/include/qwt
  86         fi
  87         if test ! -f $QWT_INCDIR/qwt.h ; then
  88           QWT_INCDIR=/usr/include/qwt-qt4
  89         fi
  90      fi
  91   else
  92      qwt_ok=no
  93   fi
  94 else
  95   if test -z $QWT_INCDIR; then
  96      QWT_INCDIR="$QWTHOME/include"
  97   fi
  98 fi
  99
 100 if test "x$qwt_ok" = xno -o ! -d "$QWTHOME" ; then
 101   AC_MSG_RESULT(no)
 102   AC_MSG_WARN(qwt not found)
 103   qwt_ok=no
 104 else
 105   CPPFLAGS_old=$CPPFLAGS
 106   CPPFLAGS="$CPPFLAGS $QT_INCLUDES -I$QWT_INCDIR"
 107
 108   AC_CHECK_HEADER(qwt.h,qwt_ok=yes,qwt_ok=no)
 109   CPPFLAGS=$CPPFLAGS_old
 110
 111   AC_MSG_CHECKING(include of qwt headers)
 112
 113   if test "x$qwt_ok" = xno ; then
 114     AC_MSG_RESULT(no)
 115     AC_MSG_WARN(qwt not found)
 116   else
 117     AC_MSG_RESULT(yes)
 118     QWT_INCLUDES=-I$QWT_INCDIR
 119   fi
 120
 121   #
 122   # test Qwt libraries
 123   #
 124   if test "x$qwt_ok" = "xyes" ; then
 125     AC_MSG_CHECKING(linking qwt library)
 126
 127     LIBS_old=$LIBS
 128     LIBS="$LIBS $QT_LIBS"
 129     if test "x$QWTHOME" = "x/usr" ; then
 130       LIBS="$LIBS -l${libqwt_name}"
 131     else
 132       LIBS="$LIBS -L$QWTHOME/lib -l${libqwt_name}"
 133     fi
 134
 135     CXXFLAGS_old=$CXXFLAGS
 136     CXXFLAGS="$CXXFLAGS $QT_INCLUDES $QWT_INCLUDES"
 137
 138     AC_CACHE_VAL(salome_cv_lib_qwt,[
 139       AC_TRY_LINK(
 140 #include <QApplication>
 141 #include <qwt_plot.h>
 142 ,     int n;
 143       char **s;
 144       QApplication a(n, s);
 145       QwtPlot p;
 146       p.resize( 600, 400 );
 147       p.show();
 148       a.exec();,
 149       eval "salome_cv_lib_qwt=yes",eval "salome_cv_lib_qwt=no")
 150     ])
 151     qwt_ok="$salome_cv_lib_qwt"
 152
 153     if  test "x$qwt_ok" = "xno" ; then
 154       AC_MSG_RESULT(unable to link with qwt library)
 155       AC_MSG_RESULT(QWTHOME environment variable may be wrong)
 156     else
 157       AC_MSG_RESULT(yes)
 158       if test "x$QWTHOME" = "x/usr" ; then
 159         QWT_LIBS=" -l${libqwt_name}"
 160       else
 161         QWT_LIBS="-L$QWTHOME/lib -l${libqwt_name}"
 162       fi
 163     fi
 164
 165     LIBS=$LIBS_old
 166     CXXFLAGS=$CXXFLAGS_old
 167   fi
 168 fi
 169
 170 AC_SUBST(QWT_INCLUDES)
 171 AC_SUBST(QWT_LIBS)
 172
 173 AC_LANG_RESTORE
 174
 175 AC_MSG_RESULT(for qwt: $qwt_ok)
 176
 177 # Save cache
 178 AC_CACHE_SAVE
 179
 180 ])dnl
 181 dnl