From 26c6706cfc87f58fef164d49f623720f848dc980 Mon Sep 17 00:00:00 2001 From: Ralf Corsepius Date: Tue, 3 Aug 2010 15:42:44 +0000 Subject: =?UTF-8?q?2010-08-03=09Ralf=20Cors=C3=A9pius=20?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * aclocal/check-func.m4: New. --- cpukit/aclocal/check-func.m4 | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 cpukit/aclocal/check-func.m4 (limited to 'cpukit/aclocal/check-func.m4') diff --git a/cpukit/aclocal/check-func.m4 b/cpukit/aclocal/check-func.m4 new file mode 100644 index 0000000000..85a019a961 --- /dev/null +++ b/cpukit/aclocal/check-func.m4 @@ -0,0 +1,24 @@ +# $Id$ + +# Check whether FUNCTION is declared in INCLUDES +# and whether rtems_stub_FUNCTION or FUNCTION is supplied. + +# RTEMS_CHECK_FUNC(FUNCTION[,INCLUDES]) +AC_DEFUN([RTEMS_CHECK_FUNC], +[AC_REQUIRE([RTEMS_CHECK_NEWLIB]) +AC_CHECK_DECLS([$1], +[ + AC_CACHE_CHECK([for $1],[ac_cv_$1],[ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM([[$2]],[[rtems_stub_$1()]])], + [ac_cv_$1="stub"], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM([[$2]],[[$1()]])], + [ac_cv_$1="yes"], + [ac_cv_$1="no"]) + ]) + ]) + ]) +AS_IF([test "$ac_cv_$1" = yes], + [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_]$1),[1],[Define to 1 if you have the `$1' function.])]) +]) -- cgit v1.2.3