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      fi
  51   fi
  52 else
  53   if test -z $QWT_INCLUDES; then
  54      QWT_INCLUDES="$QWTHOME/include"
  55   fi
  56 fi
  57
  58 if test "x$qwt_ok" = xno -o ! -d "$QWTHOME" ; then
  59   AC_MSG_RESULT(no)
  60   AC_MSG_WARN(qwt not found)
  61   qwt_ok=no
  62 else
  63    AC_LANG_SAVE
  64    AC_LANG_CPLUSPLUS
  65    CPPFLAGS_old=$CPPFLAGS
  66    CPPFLAGS="$CPPFLAGS -I$QWT_INCLUDES"
  67    CPPFLAGS="$CPPFLAGS $QT_INCLUDES"
  68
  69    AC_CHECK_HEADER(qwt.h,qwt_ok=yes,qwt_ok=no)
  70
  71    CPPFLAGS=$CPPFLAGS_old
  72
  73    if test "x$qwt_ok" = xno ; then
  74      AC_MSG_RESULT(no)
  75      AC_MSG_WARN(qwt not found)
  76   else
  77      qwt_ok=yes
  78   fi
  79
  80 if  test "x$qwt_ok" = "xyes"
  81 then
  82   AC_MSG_CHECKING(linking qwt library)
  83   LIBS_old=$LIBS
  84   if test "x$QTDIR" = "x/usr"
  85   then
  86     LIBS="$LIBS -lqt-mt"
  87   else
  88     LIBS="$LIBS -L$QTDIR/lib -lqt-mt"
  89   fi
  90   if test "x$QWTHOME" = "x/usr/lib"
  91   then
  92     LIBS="$LIBS -lqwt"
  93   else
  94     LIBS="$LIBS -L$QWTHOME/lib -lqwt"
  95   fi
  96
  97   CXXFLAGS_old=$CXXFLAGS
  98   CXXFLAGS="$CXXFLAGS $QT_INCLUDES -I$QWT_INCLUDES"
  99
 100   AC_CACHE_VAL(salome_cv_lib_qwt,[
 101     AC_TRY_LINK(
 102 #include <qapplication.h>
 103 #include <qwt_plot.h>
 104 ,   int n;
 105     char **s;
 106     QApplication a(n, s);
 107     QwtPlot* p;
 108     a.setMainWidget(p);
 109     a.exec();,
 110     eval "salome_cv_lib_qwt=yes",eval "salome_cv_lib_qwt=no")
 111   ])
 112   qwt_ok="$salome_cv_lib_qwt"
 113
 114   if  test "x$qwt_ok" = "xno"
 115   then
 116     AC_MSG_RESULT(unable to link with qwt library)
 117     AC_MSG_RESULT(QWTHOME environment variable may be wrong)
 118   else
 119     QWT_INCLUDES="-I$QWT_INCLUDES"
 120     if test "x$QWTHOME" = "x/usr/lib"
 121     then
 122       QWT_LIBS=" -lqwt"
 123     else
 124       QWT_LIBS="-L$QWTHOME/lib -lqwt"
 125     fi
 126
 127     AC_SUBST(QWT_INCLUDES)
 128     AC_SUBST(QWT_LIBS)
 129
 130     AC_MSG_RESULT(yes)
 131   fi
 132
 133   LIBS=$LIBS_old
 134   CXXFLAGS=$CXXFLAGS_old
 135
 136 fi
 137
 138
 139   AC_LANG_RESTORE
 140
 141 fi
 142
 143
 144 ])dnl
 145 dnl