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
   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 ! -f $QWT_INCLUDES/qwt.h ; then
  51           QWT_INCLUDES=$QWTHOME"/include"
  52         fi
  53         if test ! -f $QWT_INCLUDES/qwt.h ; then
  54           QWT_INCLUDES=/usr/lib/qt3/include/qwt
  55         fi
  56      fi
  57   fi
  58 else
  59   if test -z $QWT_INCLUDES; then
  60      QWT_INCLUDES="$QWTHOME/include"
  61   fi
  62 fi
  63
  64 if test "x$qwt_ok" = xno -o ! -d "$QWTHOME" ; then
  65   AC_MSG_RESULT(no)
  66   AC_MSG_WARN(qwt not found)
  67   qwt_ok=no
  68 else
  69    AC_LANG_SAVE
  70    AC_LANG_CPLUSPLUS
  71    CPPFLAGS_old=$CPPFLAGS
  72    CPPFLAGS="$CPPFLAGS -I$QWT_INCLUDES"
  73    CPPFLAGS="$CPPFLAGS $QT_INCLUDES"
  74
  75    AC_CHECK_HEADER(qwt.h,qwt_ok=yes,qwt_ok=no)
  76
  77    CPPFLAGS=$CPPFLAGS_old
  78
  79    if test "x$qwt_ok" = xno ; then
  80      AC_MSG_RESULT(no)
  81      AC_MSG_WARN(qwt not found)
  82   else
  83      qwt_ok=yes
  84   fi
  85
  86 if  test "x$qwt_ok" = "xyes"
  87 then
  88   AC_MSG_CHECKING(linking qwt library)
  89   LIBS_old=$LIBS
  90   if test "x$QTDIR" = "x/usr"
  91   then
  92     LIBS="$LIBS -lqt-mt"
  93   else
  94     LIBS="$LIBS -L$QTDIR/lib -lqt-mt"
  95   fi
  96   if test "x$QWTHOME" = "x/usr"
  97   then
  98     LIBS="$LIBS -lqwt"
  99   else
 100     LIBS="$LIBS -L$QWTHOME/lib -lqwt"
 101   fi
 102
 103   CXXFLAGS_old=$CXXFLAGS
 104   CXXFLAGS="$CXXFLAGS $QT_INCLUDES -I$QWT_INCLUDES"
 105
 106   AC_CACHE_VAL(salome_cv_lib_qwt,[
 107     AC_TRY_LINK(
 108 #include <qapplication.h>
 109 #include <qwt_plot.h>
 110 ,   int n;
 111     char **s;
 112     QApplication a(n, s);
 113     QwtPlot* p;
 114     a.setMainWidget(p);
 115     a.exec();,
 116     eval "salome_cv_lib_qwt=yes",eval "salome_cv_lib_qwt=no")
 117   ])
 118   qwt_ok="$salome_cv_lib_qwt"
 119
 120   if  test "x$qwt_ok" = "xno"
 121   then
 122     AC_MSG_RESULT(unable to link with qwt library)
 123     AC_MSG_RESULT(QWTHOME environment variable may be wrong)
 124   else
 125     QWT_INCLUDES="-I$QWT_INCLUDES"
 126     if test "x$QWTHOME" = "x/usr"
 127     then
 128       QWT_LIBS=" -lqwt"
 129     else
 130       QWT_LIBS="-L$QWTHOME/lib -lqwt"
 131     fi
 132
 133     AC_SUBST(QWT_INCLUDES)
 134     AC_SUBST(QWT_LIBS)
 135
 136     AC_MSG_RESULT(yes)
 137   fi
 138
 139   LIBS=$LIBS_old
 140   CXXFLAGS=$CXXFLAGS_old
 141
 142 fi
 143
 144
 145   AC_LANG_RESTORE
 146
 147 fi
 148
 149
 150 ])dnl
 151 dnl