adm_local/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 AC_REQUIRE([AC_LINKER_OPTIONS])dnl
   6
   7 AC_CHECKING(for qwt)
   8
   9 qwt_ok=yes
  10
  11 dnl were is qwt ?
  12
  13 AC_ARG_WITH(qwt,
  14     [  --with-qwt=DIR     directory path to QWT installation ],
  15     [QWTHOME="$withval"
  16       AC_MSG_RESULT("select $withval as path to QWT")
  17     ])
  18
  19 AC_ARG_WITH(qwt_inc,
  20     [  --with-qwt_inc=DIR   directory path to QWT includes ],
  21     [QWT_INCLUDES="$withval"
  22       AC_MSG_RESULT("select $withval as path to QWT includes")
  23     ])
  24
  25 if test -z $QWTHOME; then
  26   AC_MSG_RESULT(QWTHOME not defined)
  27   exits_ok=no
  28   if test "x$exits_ok" = "xno"; then
  29      for d in /usr/local /usr ; do
  30         AC_CHECK_FILE(${d}/lib${LIB_LOCATION_SUFFIX}/libqwt.so,exits_ok=yes,exits_ok=no)
  31         if test "x$exits_ok" = "xyes"; then
  32            QWTHOME=$d
  33            AC_MSG_RESULT(libqwt.so detected in $d/lib)
  34         fi
  35      done
  36   fi
  37   if test "x$exits_ok" = "xno"; then
  38      for d in `echo $LD_LIBRARY_PATH | sed -e "s/:/ /g"` ; do
  39         if test -f $d/libqwt.so ; then
  40            AC_MSG_RESULT(libqwt.so detected in $d)
  41            QWTHOME=$d
  42            QWTHOME=`echo ${QWTHOME} | sed -e "s,[[^/]]*$,,;s,/$,,;s,^$,.,"`
  43            exits_ok=yes
  44            break
  45         fi
  46      done
  47   fi
  48   if test "x$exits_ok" = "xyes"; then
  49      if test -z $QWT_INCLUDES; then
  50         QWT_INCLUDES=$QWTHOME"/include/qwt"
  51         if test ! -f $QWT_INCLUDES/qwt.h ; then
  52           QWT_INCLUDES=$QWTHOME"/include"
  53         fi
  54         if test ! -f $QWT_INCLUDES/qwt.h ; then
  55           QWT_INCLUDES=/usr/lib/qt3/include/qwt
  56         fi
  57      fi
  58   fi
  59 else
  60   if test -z $QWT_INCLUDES; then
  61      QWT_INCLUDES="$QWTHOME/include"
  62   fi
  63 fi
  64
  65 if test "x$qwt_ok" = xno -o ! -d "$QWTHOME" ; then
  66   AC_MSG_RESULT(no)
  67   AC_MSG_WARN(qwt not found)
  68   qwt_ok=no
  69 else
  70    AC_LANG_SAVE
  71    AC_LANG_CPLUSPLUS
  72    CPPFLAGS_old=$CPPFLAGS
  73    CPPFLAGS="$CPPFLAGS -I$QWT_INCLUDES"
  74    CPPFLAGS="$CPPFLAGS $QT_INCLUDES"
  75
  76    AC_CHECK_HEADER(qwt.h,qwt_ok=yes,qwt_ok=no)
  77
  78    CPPFLAGS=$CPPFLAGS_old
  79
  80    if test "x$qwt_ok" = xno ; then
  81      AC_MSG_RESULT(no)
  82      AC_MSG_WARN(qwt not found)
  83   else
  84      qwt_ok=yes
  85   fi
  86
  87 if  test "x$qwt_ok" = "xyes"
  88 then
  89   AC_MSG_CHECKING(linking qwt library)
  90   LIBS_old=$LIBS
  91   if test "x$QTDIR" = "x/usr"
  92   then
  93     LIBS="$LIBS -lqt-mt"
  94   else
  95     LIBS="$LIBS -L$QTDIR/lib${LIB_LOCATION_SUFFIX} -lqt-mt"
  96   fi
  97   if test "x$QWTHOME" = "x/usr"
  98   then
  99     LIBS="$LIBS -lqwt"
 100   else
 101     LIBS="$LIBS -L$QWTHOME/lib -lqwt"
 102   fi
 103
 104   CXXFLAGS_old=$CXXFLAGS
 105   CXXFLAGS="$CXXFLAGS $QT_INCLUDES -I$QWT_INCLUDES"
 106
 107   AC_CACHE_VAL(salome_cv_lib_qwt,[
 108     AC_TRY_LINK(
 109 #include <qapplication.h>
 110 #include <qwt_plot.h>
 111 ,   int n;
 112     char **s;
 113     QApplication a(n, s);
 114     QwtPlot* p;
 115     a.setMainWidget(p);
 116     a.exec();,
 117     eval "salome_cv_lib_qwt=yes",eval "salome_cv_lib_qwt=no")
 118   ])
 119   qwt_ok="$salome_cv_lib_qwt"
 120
 121   if  test "x$qwt_ok" = "xno"
 122   then
 123     AC_MSG_RESULT(unable to link with qwt library)
 124     AC_MSG_RESULT(QWTHOME environment variable may be wrong)
 125   else
 126     QWT_INCLUDES="-I$QWT_INCLUDES"
 127     if test "x$QWTHOME" = "x/usr"
 128     then
 129       QWT_LIBS=" -lqwt"
 130     else
 131       QWT_LIBS="-L$QWTHOME/lib -lqwt"
 132     fi
 133
 134     AC_SUBST(QWT_INCLUDES)
 135     AC_SUBST(QWT_LIBS)
 136
 137     AC_MSG_RESULT(yes)
 138   fi
 139
 140   LIBS=$LIBS_old
 141   CXXFLAGS=$CXXFLAGS_old
 142
 143 fi
 144
 145
 146   AC_LANG_RESTORE
 147
 148 fi
 149
 150
 151 ])dnl
 152 dnl