salome_adm/unix/config_files/check_qwt.m4

   1 AC_DEFUN([CHECK_QWT],[
   2 AC_REQUIRE([CHECK_QT])dnl
   3
   4 AC_CHECKING(for qwt)
   5
   6 qwt_ok=no
   7
   8 dnl were is qwt ?
   9 if test -z $QWTHOME; then
  10   AC_MSG_WARN(You must provide QWTHOME variable)
  11 else
  12   qwt_ok=yes
  13 fi
  14
  15 if test "x$qwt_ok" = xno -o ! -d "$QWTHOME" ; then
  16   AC_MSG_RESULT(no)
  17   AC_MSG_WARN(qwt not found)
  18 else
  19
  20    AC_LANG_SAVE
  21    AC_LANG_CPLUSPLUS
  22    CPPFLAGS_old=$CPPFLAGS
  23    CPPFLAGS="$CPPFLAGS -I$QWTHOME/include"
  24    CPPFLAGS="$CPPFLAGS -I$QTDIR/include"
  25
  26    AC_CHECK_HEADER(qwt.h,qwt_ok=yes,qwt_ok=no)
  27
  28    CPPFLAGS=$CPPFLAGS_old
  29
  30    if test "x$qwt_ok" = xno ; then
  31      AC_MSG_RESULT(no)
  32      AC_MSG_WARN(qwt not found)
  33   else
  34      qwt_ok=yes
  35   fi
  36
  37 if  test "x$qwt_ok" = "xyes"
  38 then
  39   AC_MSG_CHECKING(linking qwt library)
  40   LIBS_old=$LIBS
  41   LIBS="$LIBS -L$QTDIR/lib -lqt-mt -L$QWTHOME/lib -lqwt"
  42
  43   CXXFLAGS_old=$CXXFLAGS
  44   CXXFLAGS="$CXXFLAGS -I$QTDIR/include -I$QWTHOME/include"
  45
  46   AC_CACHE_VAL(salome_cv_lib_qwt,[
  47     AC_TRY_LINK(
  48 #include <qapplication.h>
  49 #include <qwt_plot.h>
  50 ,   int n;
  51     char **s;
  52     QApplication a(n, s);
  53     QwtPlot* p;
  54     a.setMainWidget(p);
  55     a.exec();,
  56     eval "salome_cv_lib_qwt=yes",eval "salome_cv_lib_qwt=no")
  57   ])
  58   qwt_ok="$salome_cv_lib_qwt"
  59
  60   if  test "x$qwt_ok" = "xno"
  61   then
  62     AC_MSG_RESULT(unable to link with qwt library)
  63     AC_MSG_RESULT(QWTHOME environment variable may be wrong)
  64   else
  65     QWT_INCLUDES="-I$QWTHOME/include"
  66     QWT_LIBS="-L$QWTHOME/lib -lqwt"
  67
  68     AC_SUBST(QWT_INCLUDES)
  69     AC_SUBST(QWT_LIBS)
  70
  71     AC_MSG_RESULT(yes)
  72   fi
  73
  74   LIBS=$LIBS_old
  75   CXXFLAGS=$CXXFLAGS_old
  76
  77 fi
  78
  79
  80   AC_LANG_RESTORE
  81
  82 fi
  83
  84
  85 ])dnl
  86 dnl