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 $QWTHOME; then
  25   AC_MSG_RESULT(QWTHOME not defined)
  26   exits_ok=no
  27   if test "x$exits_ok" = "xno"; then
  28      for d in /usr/local /usr ; do
  29         AC_CHECK_FILE(${d}/lib/libqwt.so,exits_ok=yes,exits_ok=no)
  30         if test "x$exits_ok" = "xyes"; then
  31            QWTHOME=$d
  32            AC_MSG_RESULT(libqwt.so detected in $d/lib)
  33         fi
  34      done
  35   fi
  36   if test "x$exits_ok" = "xno"; then
  37      for d in `echo $LD_LIBRARY_PATH | sed -e "s/:/ /g"` ; do
  38         if test -f $d/libqwt.so ; then
  39            AC_MSG_RESULT(libqwt.so detected in $d)
  40            QWTHOME=$d
  41            QWTHOME=`echo ${QWTHOME} | sed -e "s,[[^/]]*$,,;s,/$,,;s,^$,.,"`
  42            exits_ok=yes
  43            break
  44         fi
  45      done
  46   fi
  47   if test "x$exits_ok" = "xyes"; then
  48      if test -z $QWT_INCLUDES; then
  49         QWT_INCLUDES=$QWTHOME"/include/qwt"
  50         if test ! -d $QWT_INCLUDES; then
  51            QWT_INCLUDES=$QWTHOME"/include"
  52         fi
  53      fi
  54   fi
  55 else
  56   if test -z $QWT_INCLUDES; then
  57      QWT_INCLUDES="$QWTHOME/include"
  58   fi
  59 fi
  60
  61 if test "x$qwt_ok" = xno -o ! -d "$QWTHOME" ; then
  62   AC_MSG_RESULT(no)
  63   AC_MSG_WARN(qwt not found)
  64   qwt_ok=no
  65 else
  66    AC_LANG_SAVE
  67    AC_LANG_CPLUSPLUS
  68    CPPFLAGS_old=$CPPFLAGS
  69    CPPFLAGS="$CPPFLAGS -I$QWT_INCLUDES"
  70    CPPFLAGS="$CPPFLAGS $QT_INCLUDES"
  71
  72    AC_CHECK_HEADER(qwt.h,qwt_ok=yes,qwt_ok=no)
  73
  74    CPPFLAGS=$CPPFLAGS_old
  75
  76    if test "x$qwt_ok" = xno ; then
  77      AC_MSG_RESULT(no)
  78      AC_MSG_WARN(qwt not found)
  79   else
  80      qwt_ok=yes
  81   fi
  82
  83 if  test "x$qwt_ok" = "xyes"
  84 then
  85   AC_MSG_CHECKING(linking qwt library)
  86   LIBS_old=$LIBS
  87   if test "x$QTDIR" = "x/usr"
  88   then
  89     LIBS="$LIBS -lqt-mt"
  90   else
  91     LIBS="$LIBS -L$QTDIR/lib -lqt-mt"
  92   fi
  93   if test "x$QWTHOME" = "x/usr"
  94   then
  95     LIBS="$LIBS -lqwt"
  96   else
  97     LIBS="$LIBS -L$QWTHOME/lib -lqwt"
  98   fi
  99
 100   CXXFLAGS_old=$CXXFLAGS
 101   CXXFLAGS="$CXXFLAGS $QT_INCLUDES -I$QWT_INCLUDES"
 102
 103   AC_CACHE_VAL(salome_cv_lib_qwt,[
 104     AC_TRY_LINK(
 105 #include <qapplication.h>
 106 #include <qwt_plot.h>
 107 ,   int n;
 108     char **s;
 109     QApplication a(n, s);
 110     QwtPlot* p;
 111     a.setMainWidget(p);
 112     a.exec();,
 113     eval "salome_cv_lib_qwt=yes",eval "salome_cv_lib_qwt=no")
 114   ])
 115   qwt_ok="$salome_cv_lib_qwt"
 116
 117   if  test "x$qwt_ok" = "xno"
 118   then
 119     AC_MSG_RESULT(unable to link with qwt library)
 120     AC_MSG_RESULT(QWTHOME environment variable may be wrong)
 121   else
 122     QWT_INCLUDES="-I$QWT_INCLUDES"
 123     if test "x$QWTHOME" = "x/usr"
 124     then
 125       QWT_LIBS=" -lqwt"
 126     else
 127       QWT_LIBS="-L$QWTHOME/lib -lqwt"
 128     fi
 129
 130     AC_SUBST(QWT_INCLUDES)
 131     AC_SUBST(QWT_LIBS)
 132
 133     AC_MSG_RESULT(yes)
 134   fi
 135
 136   LIBS=$LIBS_old
 137   CXXFLAGS=$CXXFLAGS_old
 138
 139 fi
 140
 141
 142   AC_LANG_RESTORE
 143
 144 fi
 145
 146
 147 ])dnl
 148 dnl