adm_local/unix/config_files/check_qwt.m4

   1 dnl Copyright (C) 2007-2023  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, or (at your option) any later version.
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  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
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  14 dnl Lesser General Public License for more details.
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  17 dnl License along with this library; if not, write to the Free Software
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  20 dnl See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 dnl
  22
  23 AC_DEFUN([CHECK_QWT],[
  24 AC_REQUIRE([CHECK_QT])dnl
  25 AC_REQUIRE([AC_LINKER_OPTIONS])dnl
  26
  27 AC_CHECKING(for qwt)
  28
  29 AC_LANG_SAVE
  30 AC_LANG_CPLUSPLUS
  31
  32 qwt_ok=yes
  33
  34 dnl where is qwt ?
  35
  36 AC_ARG_WITH(qwt,
  37     [  --with-qwt=DIR     directory path to QWT installation ],
  38     [QWTHOME="$withval"
  39       AC_MSG_RESULT("select $withval as path to QWT")
  40     ])
  41
  42 AC_ARG_WITH(qwt_inc,
  43     [  --with-qwt_inc=DIR   directory path to QWT includes ],
  44     [QWT_INCDIR="$withval"
  45       AC_MSG_RESULT("select $withval as path to QWT includes")
  46     ])
  47
  48 libqwt_name=qwt
  49 if test -z $QWTHOME; then
  50   AC_MSG_RESULT(QWTHOME not defined)
  51   AC_MSG_NOTICE(Trying native Qwt...)
  52   exist_ok=no
  53   if test "x$exist_ok" = "xno"; then
  54      for d in /usr /usr/local ; do
  55         for extension in qwt-qt4 qwt; do
  56            AC_CHECK_FILE(${d}/lib${LIB_LOCATION_SUFFIX}/lib${extension}.so,exist_ok=yes,exist_ok=no)
  57            if test "x$exist_ok" = "xyes"; then
  58               QWTHOME=$d
  59               AC_MSG_RESULT(lib${extension}.so detected in $d/lib)
  60               libqwt_name=${extension}
  61               dnl  break, libqwt-qt4.so is choosen before libqwt.so since it is surely the Qt4 version.
  62               break
  63            fi
  64         done
  65         if test "x$exist_ok" = "xyes"; then
  66            break
  67         fi
  68      done
  69   fi
  70   if test "x$exist_ok" = "xno"; then
  71      if test "${build_cpu::6}" = "x86_64" ; then
  72        for d in /usr /usr/local ; do
  73           for extension in qwt-qt4 qwt; do
  74              AC_CHECK_FILE(${d}/lib64/lib${extension}.so,exist_ok=yes,exist_ok=no)
  75              if test "x$exist_ok" = "xyes"; then
  76                 QWTHOME=$d
  77                 AC_MSG_RESULT(lib${extension}.so detected in $d/lib)
  78                 libqwt_name=${extension}
  79                 dnl  break, libqwt-qt4.so is choosen before libqwt.so since it is surely the Qt4 version.
  80                 break
  81              fi
  82           done
  83           if test "x$exist_ok" = "xyes"; then
  84              break
  85           fi
  86        done
  87     fi
  88   fi
  89   if test "x$exist_ok" = "xno"; then
  90      for d in `echo $LD_LIBRARY_PATH | sed -e "s/:/ /g"` ; do
  91         if test -f $d/libqwt.so ; then
  92            AC_MSG_RESULT(libqwt.so detected in $d)
  93            QWTHOME=$d
  94            QWTHOME=`echo ${QWTHOME} | sed -e "s,[[^/]]*$,,;s,/$,,;s,^$,.,"`
  95            exist_ok=yes
  96            break
  97         fi
  98      done
  99   fi
 100   if test "x$exist_ok" = "xyes"; then
 101      if test -z $QWT_INCDIR; then
 102         QWT_INCDIR=$QWTHOME"/include/qwt-qt4"
 103         if test ! -f $QWT_INCDIR/qwt.h ; then
 104           QWT_INCDIR=/usr/include/qwt
 105         fi
 106         if test ! -f $QWT_INCDIR/qwt.h ; then
 107           QWT_INCDIR=$QWTHOME"/include"
 108         fi
 109         if test ! -f $QWT_INCDIR/qwt.h ; then
 110           QWT_INCDIR=/usr/lib/qt4/include/qwt
 111         fi
 112      fi
 113   else
 114      qwt_ok=no
 115   fi
 116 else
 117   AC_MSG_NOTICE(Trying Qwt from $QWTHOME ...)
 118   if test -z $QWT_INCDIR; then
 119      QWT_INCDIR="$QWTHOME/include"
 120   fi
 121 fi
 122
 123 if test "x$qwt_ok" = xno -o ! -d "$QWTHOME" ; then
 124   AC_MSG_RESULT(no)
 125   AC_MSG_WARN(qwt not found)
 126   qwt_ok=no
 127 else
 128   CPPFLAGS_old=$CPPFLAGS
 129   CPPFLAGS="$CPPFLAGS $QT_INCLUDES -I$QWT_INCDIR"
 130
 131   AC_CHECK_HEADER(qwt.h,qwt_ok=yes,qwt_ok=no)
 132   CPPFLAGS=$CPPFLAGS_old
 133
 134   AC_MSG_CHECKING(include of qwt headers)
 135
 136   if test "x$qwt_ok" = xno ; then
 137     AC_MSG_RESULT(no)
 138     AC_MSG_WARN(qwt not found)
 139   else
 140     AC_MSG_RESULT(yes)
 141     QWT_INCLUDES=-I$QWT_INCDIR
 142   fi
 143
 144   #
 145   # test Qwt libraries
 146   #
 147   if test "x$qwt_ok" = "xyes" ; then
 148     AC_MSG_CHECKING(linking qwt library)
 149
 150     LIBS_old=$LIBS
 151     LIBS="$LIBS $QT_LIBS"
 152     if test "x$QWTHOME" = "x/usr" ; then
 153       LIBS="$LIBS -l${libqwt_name}"
 154     else
 155       LIBS="$LIBS -L$QWTHOME/lib -l${libqwt_name}"
 156     fi
 157
 158     CXXFLAGS_old=$CXXFLAGS
 159     CXXFLAGS="$CXXFLAGS $QT_INCLUDES $QWT_INCLUDES"
 160
 161     AC_CACHE_VAL(salome_cv_lib_qwt,[
 162       AC_TRY_LINK(
 163 #include <QApplication>
 164 #include <qwt_plot.h>
 165 ,     int n;
 166       char **s;
 167       QApplication a(n, s);
 168       QwtPlot p;
 169       p.resize( 600, 400 );
 170       p.show();
 171       a.exec();,
 172       eval "salome_cv_lib_qwt=yes",eval "salome_cv_lib_qwt=no")
 173     ])
 174     qwt_ok="$salome_cv_lib_qwt"
 175
 176     if  test "x$qwt_ok" = "xno" ; then
 177       AC_MSG_RESULT(unable to link with qwt library)
 178       AC_MSG_RESULT(QWTHOME environment variable may be wrong)
 179     else
 180       AC_MSG_RESULT(yes)
 181       if test "x$QWTHOME" = "x/usr" ; then
 182         QWT_LIBS=" -l${libqwt_name}"
 183       else
 184         QWT_LIBS="-L$QWTHOME/lib -l${libqwt_name}"
 185       fi
 186     fi
 187
 188     LIBS=$LIBS_old
 189     CXXFLAGS=$CXXFLAGS_old
 190   fi
 191 fi
 192
 193 AC_SUBST(QWT_INCLUDES)
 194 AC_SUBST(QWT_LIBS)
 195
 196 AC_LANG_RESTORE
 197
 198 AC_MSG_RESULT(for qwt: $qwt_ok)
 199
 200 # Save cache
 201 AC_CACHE_SAVE
 202
 203 ])dnl
 204 dnl