ac_check_define.m4
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AC_DEFUN([AC_CHECK_DEFINE],[AC_REQUIRE([AC_PROG_CPP])dnl
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AC_CACHE_CHECK(for $1 in $2, ac_cv_define_$1,
AC_EGREP_CPP([YES_IS_DEFINED], [
#include <$2>
#ifdef $1
YES_IS_DEFINED
#endif
], ac_cv_define_$1=yes, ac_cv_define_$1=no)
)
if test "$ac_cv_define_$1" = "yes" ; then
AC_DEFINE([HAVE_$1],[],[Added by AC_CHECK_DEFINE])
fi
])dnl