dnl WITH_CPPUNIT
dnl
dnl Whether CppUnit is defined in this system.
AC_DEFUN(WITH_CPPUNIT,
[
AC_REQUIRE([AC_PROG_CXX])

AC_CACHE_VAL(has_cppunit,
[
 AC_CHECK_PROG([has_cppunit],[cppunit-config],[yes],[no])
 if test "$has_cppunit" = no; then
   AC_MSG_RESULT($has_cppunit)
 fi

 if test x"$has_cppunit" = xyes; then
  AC_MSG_CHECKING(whether you can use cppunit)
  AC_LANG_SAVE
  AC_LANG_CPLUSPLUS
  CPPUNIT_CPPFLAGS=`cppunit-config --cflags`
  CPPUNIT_LIBS=`cppunit-config --libs`
  SAVE_CPPFLAGS="$CPPFLAGS"
  CPPFLAGS="$CPPFLAGS $CPPUNIT_CPPFLAGS"
  SAVE_LIBS="$LIBS"
  LIBS="$LIBS $CPPUNIT_LIBS"

  AC_TRY_COMPILE([
	 #include <cppunit/TestCase.h>
	 ],
	[return 1;],
	[ has_cppunit=yes],
	[ has_cppunit=no])
 
  CPPFLAGS="$SAVE_CPPFLAGS"
  LDFLAGS="$SAVE_LDFLAGS"
  LIBS="$SAVE_LIBS"
  AC_LANG_RESTORE
 fi
])

AC_MSG_RESULT($has_cppunit)
if test x"$has_cppunit" = xyes; then
   AC_DEFINE(HAS_CPPUNIT)
   AC_SUBST(CPPUNIT_CPPFLAGS)
   AC_SUBST(CPPUNIT_LIBS)
fi

AM_CONDITIONAL(BUILD_CPPUNIT_TESTS,test x"$has_cppunit" = xyes)

])