salome_adm/unix/config_files/check_qwt.m4

   1 dnl Copyright (C) 2003  CEA/DEN, EDF R&D
   2
   3 AC_DEFUN([CHECK_QWT],[
   4 AC_REQUIRE([CHECK_QT])dnl
   5
   6 AC_CHECKING(for qwt)
   7
   8 qwt_ok=yes
   9
  10 dnl were is qwt ?
  11
  12 AC_ARG_WITH(qwt,
  13     [  --with-qwt=DIR     directory path to QWT installation ],
  14     [QWTHOME="$withval"
  15       AC_MSG_RESULT("select $withval as path to QWT")
  16     ])
  17
  18 AC_ARG_WITH(qwt_inc,
  19     [  --with-qwt_inc=DIR   directory path to QWT includes ],
  20     [QWT_INCLUDES="$withval"
  21       AC_MSG_RESULT("select $withval as path to QWT includes")
  22     ])
  23
  24 if test -z $QWTHOME; then
  25   exits_ok=no
  26   AC_CHECK_FILE("/usr/local/lib/libqwt.so",exits_ok=yes,exits_ok=no)
  27   if test "x$exits_ok" = "xyes"; then
  28      QWTHOME="/usr/local/lib"
  29      if test -z $QWT_INCLUDES; then
  30         QWT_INCLUDES="/usr/local/include/qwt"
  31      fi
  32   else
  33      QWTHOME="/usr/lib"
  34      if test -z $QWT_INCLUDES; then
  35         QWT_INCLUDES="/usr/include/qwt"
  36      fi
  37   fi
  38 else
  39   if test -z $QWT_INCLUDES; then
  40      QWT_INCLUDES="$QWTHOME/include"
  41   fi
  42 fi
  43
  44 if test "x$qwt_ok" = xno -o ! -d "$QWTHOME" ; then
  45   AC_MSG_RESULT(no)
  46   AC_MSG_WARN(qwt not found)
  47   qwt_ok=no
  48 else
  49    AC_LANG_SAVE
  50    AC_LANG_CPLUSPLUS
  51    CPPFLAGS_old=$CPPFLAGS
  52    CPPFLAGS="$CPPFLAGS -I$QWT_INCLUDES"
  53    CPPFLAGS="$CPPFLAGS -I$QTDIR/include"
  54
  55    AC_CHECK_HEADER(qwt.h,qwt_ok=yes,qwt_ok=no)
  56
  57    CPPFLAGS=$CPPFLAGS_old
  58
  59    if test "x$qwt_ok" = xno ; then
  60      AC_MSG_RESULT(no)
  61      AC_MSG_WARN(qwt not found)
  62   else
  63      qwt_ok=yes
  64   fi
  65
  66 if  test "x$qwt_ok" = "xyes"
  67 then
  68   AC_MSG_CHECKING(linking qwt library)
  69   LIBS_old=$LIBS
  70   LIBS="$LIBS -L$QTDIR/lib -lqt-mt -L$QWTHOME/lib -lqwt"
  71
  72   CXXFLAGS_old=$CXXFLAGS
  73   CXXFLAGS="$CXXFLAGS -I$QTDIR/include -I$QWT_INCLUDES"
  74
  75   AC_CACHE_VAL(salome_cv_lib_qwt,[
  76     AC_TRY_LINK(
  77 #include <qapplication.h>
  78 #include <qwt_plot.h>
  79 ,   int n;
  80     char **s;
  81     QApplication a(n, s);
  82     QwtPlot* p;
  83     a.setMainWidget(p);
  84     a.exec();,
  85     eval "salome_cv_lib_qwt=yes",eval "salome_cv_lib_qwt=no")
  86   ])
  87   qwt_ok="$salome_cv_lib_qwt"
  88
  89   if  test "x$qwt_ok" = "xno"
  90   then
  91     AC_MSG_RESULT(unable to link with qwt library)
  92     AC_MSG_RESULT(QWTHOME environment variable may be wrong)
  93   else
  94     QWT_INCLUDES="-I$QWT_INCLUDES"
  95     QWT_LIBS="-L$QWTHOME/lib -lqwt"
  96
  97     AC_SUBST(QWT_INCLUDES)
  98     AC_SUBST(QWT_LIBS)
  99
 100     AC_MSG_RESULT(yes)
 101   fi
 102
 103   LIBS=$LIBS_old
 104   CXXFLAGS=$CXXFLAGS_old
 105
 106 fi
 107
 108
 109   AC_LANG_RESTORE
 110
 111 fi
 112
 113
 114 ])dnl
 115 dnl