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 $QWTHOME; then
  49   AC_MSG_RESULT(QWTHOME not defined)
  50   AC_MSG_NOTICE(Trying native Qwt...)
  51   exist_ok=no
  52   if test "x$exist_ok" = "xno"; then
  53      for d in /usr /usr/local ; do
  54         for extension in qwt-qt4 qwt; do
  55            AC_CHECK_FILE(${d}/lib${LIB_LOCATION_SUFFIX}/lib${extension}.so,exist_ok=yes,exist_ok=no)
  56            if test "x$exist_ok" = "xyes"; then
  57               QWTHOME=$d
  58               AC_MSG_RESULT(lib${extension}.so detected in $d/lib)
  59               libqwt_name=${extension}
  60               dnl  break, libqwt-qt4.so is choosen before libqwt.so since it is surely the Qt4 version.
  61               break
  62            fi
  63         done
  64         if test "x$exist_ok" = "xyes"; then
  65            break
  66         fi
  67      done
  68   fi
  69   if test "x$exist_ok" = "xno"; then
  70      for d in `echo $LD_LIBRARY_PATH | sed -e "s/:/ /g"` ; do
  71         if test -f $d/libqwt.so ; then
  72            AC_MSG_RESULT(libqwt.so detected in $d)
  73            QWTHOME=$d
  74            QWTHOME=`echo ${QWTHOME} | sed -e "s,[[^/]]*$,,;s,/$,,;s,^$,.,"`
  75            exist_ok=yes
  76            break
  77         fi
  78      done
  79   fi
  80   if test "x$exist_ok" = "xyes"; then
  81      if test -z $QWT_INCDIR; then
  82         QWT_INCDIR=$QWTHOME"/include/qwt-qt4"
  83         if test ! -f $QWT_INCDIR/qwt.h ; then
  84           QWT_INCDIR=/usr/include/qwt
  85         fi
  86         if test ! -f $QWT_INCDIR/qwt.h ; then
  87           QWT_INCDIR=$QWTHOME"/include"
  88         fi
  89         if test ! -f $QWT_INCDIR/qwt.h ; then
  90           QWT_INCDIR=/usr/lib/qt4/include/qwt
  91         fi
  92      fi
  93   else
  94      qwt_ok=no
  95   fi
  96 else
  97   AC_MSG_NOTICE(Trying Qwt from $QWTHOME ...)
  98   if test -z $QWT_INCDIR; then
  99      QWT_INCDIR="$QWTHOME/include"
 100   fi
 101 fi
 102
 103 if test "x$qwt_ok" = xno -o ! -d "$QWTHOME" ; then
 104   AC_MSG_RESULT(no)
 105   AC_MSG_WARN(qwt not found)
 106   qwt_ok=no
 107 else
 108   CPPFLAGS_old=$CPPFLAGS
 109   CPPFLAGS="$CPPFLAGS $QT_INCLUDES -I$QWT_INCDIR"
 110
 111   AC_CHECK_HEADER(qwt.h,qwt_ok=yes,qwt_ok=no)
 112   CPPFLAGS=$CPPFLAGS_old
 113
 114   AC_MSG_CHECKING(include of qwt headers)
 115
 116   if test "x$qwt_ok" = xno ; then
 117     AC_MSG_RESULT(no)
 118     AC_MSG_WARN(qwt not found)
 119   else
 120     AC_MSG_RESULT(yes)
 121     QWT_INCLUDES=-I$QWT_INCDIR
 122   fi
 123
 124   #
 125   # test Qwt libraries
 126   #
 127   if test "x$qwt_ok" = "xyes" ; then
 128     AC_MSG_CHECKING(linking qwt library)
 129
 130     LIBS_old=$LIBS
 131     LIBS="$LIBS $QT_LIBS"
 132     if test "x$QWTHOME" = "x/usr" ; then
 133       LIBS="$LIBS -l${libqwt_name}"
 134     else
 135       LIBS="$LIBS -L$QWTHOME/lib -l${libqwt_name}"
 136     fi
 137
 138     CXXFLAGS_old=$CXXFLAGS
 139     CXXFLAGS="$CXXFLAGS $QT_INCLUDES $QWT_INCLUDES"
 140
 141     AC_CACHE_VAL(salome_cv_lib_qwt,[
 142       AC_TRY_LINK(
 143 #include <QApplication>
 144 #include <qwt_plot.h>
 145 ,     int n;
 146       char **s;
 147       QApplication a(n, s);
 148       QwtPlot p;
 149       p.resize( 600, 400 );
 150       p.show();
 151       a.exec();,
 152       eval "salome_cv_lib_qwt=yes",eval "salome_cv_lib_qwt=no")
 153     ])
 154     qwt_ok="$salome_cv_lib_qwt"
 155
 156     if  test "x$qwt_ok" = "xno" ; then
 157       AC_MSG_RESULT(unable to link with qwt library)
 158       AC_MSG_RESULT(QWTHOME environment variable may be wrong)
 159     else
 160       AC_MSG_RESULT(yes)
 161       if test "x$QWTHOME" = "x/usr" ; then
 162         QWT_LIBS=" -l${libqwt_name}"
 163       else
 164         QWT_LIBS="-L$QWTHOME/lib -l${libqwt_name}"
 165       fi
 166     fi
 167
 168     LIBS=$LIBS_old
 169     CXXFLAGS=$CXXFLAGS_old
 170   fi
 171 fi
 172
 173 AC_SUBST(QWT_INCLUDES)
 174 AC_SUBST(QWT_LIBS)
 175
 176 AC_LANG_RESTORE
 177
 178 AC_MSG_RESULT(for qwt: $qwt_ok)
 179
 180 # Save cache
 181 AC_CACHE_SAVE
 182
 183 ])dnl
 184 dnl