From e30210eaf1537cb0ff9fa2e032f2e2a899ca2a00 Mon Sep 17 00:00:00 2001
From: Ralf Corsepius <ralf.corsepius@rtems.org>
Date: Tue, 8 Jul 2003 10:41:37 +0000
Subject: 2003-07-08	Ralf Corsepius <corsepiu@faw.uni-ulm.de>

	* configure.ac: Merge-in libmisc/configure.ac.
	* Makefile.am: Add libmisc to SUBDIRS.
---
 cpukit/configure.ac | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 47 insertions(+), 1 deletion(-)

(limited to 'cpukit/configure.ac')

diff --git a/cpukit/configure.ac b/cpukit/configure.ac
index c3182dce80..ad9b09ad53 100644
--- a/cpukit/configure.ac
+++ b/cpukit/configure.ac
@@ -137,11 +137,41 @@ AS_IF([test x"${enable_multilib}" = x"yes"],[
   AC_DEFINE_UNQUOTED([RTEMS_MULTILIBS],[1],[using multilib'ed RTEMS])
 ])
 
-AC_CONFIG_SUBDIRS([libmisc])
+# libmisc/shell/* wants to assign file descriptors to stdio file descriptors.
+AC_MSG_CHECKING([for assignable stdio])
+AC_COMPILE_IFELSE(
+  [AC_LANG_PROGRAM(
+    [#include <stdio.h>], 
+    [stdin = fopen("/tmp", "r")])],
+  [HAVE_ASSIGNABLE_STDIO=yes],
+  [HAVE_ASSIGNABLE_STDIO=no])
+AC_MSG_RESULT([$HAVE_ASSIGNABLE_STDIO])
+
+# libmisc/serdbg exploits weak symbols
+AC_CACHE_CHECK([whether $CC supports function __attribute__((weak))],
+[rtems_cv_cc_attribute_weak],[
+  AS_IF([test x"$GCC" = xyes],[
+    save_CFLAGS=$CFLAGS
+    CFLAGS=-Werror])
+
+  AC_COMPILE_IFELSE([
+    AC_LANG_PROGRAM(
+    [void myfunc(char c) __attribute__ ((weak));
+     void myfunc(char c) {}],
+    [])],
+    [rtems_cv_cc_attribute_weak=yes],
+    [rtems_cv_cc_attribute_weak=no])
+
+  AS_IF([test x"$GCC" = xyes],[
+    CFLAGS=$save_CFLAGS])
+])
 
 AM_CONDITIONAL(RTEMS_ADA,[test x"$enable_ada" = x"yes" \
   && test x"$HAS_POSIX_API" = x"yes"])
 
+AM_CONDITIONAL([LIBSHELL],[test x"$HAVE_ASSIGNABLE_STDIO" = x"yes"])
+AM_CONDITIONAL([LIBSERDBG],[test x"$rtems_cv_cc_attribute_weak" = x"yes"])
+
 # Explicitly list all Makefiles here
 AC_CONFIG_FILES([Makefile
 include/Makefile
@@ -160,6 +190,22 @@ libfs/src/dosfs/Makefile])
 
 AC_CONFIG_FILES([ada/Makefile])
 
+AC_CONFIG_FILES([libmisc/Makefile
+libmisc/cpuuse/Makefile
+libmisc/shell/Makefile
+libmisc/devnull/Makefile
+libmisc/dummy/Makefile
+libmisc/dumpbuf/Makefile
+libmisc/monitor/Makefile
+libmisc/rtmonuse/Makefile
+libmisc/serdbg/Makefile
+libmisc/stackchk/Makefile
+libmisc/capture/Makefile
+libmisc/untar/Makefile
+libmisc/mw-fb/Makefile
+libmisc/wrapup/Makefile
+])
+
 AC_CONFIG_FILES([wrapup/Makefile])
 
 AC_OUTPUT
-- 
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