Changeset d71ab7fd in rtems

Timestamp:

Sep 21, 2004, 2:30:53 PM (17 years ago)

Author:

Ralf Corsepius <ralf.corsepius@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

956e450

Parents:

6f77f16f

Message:

2004-09-21 Ralf Corsepius <ralf_corsepius@…>

• aclocal/gcc-weak.m4: New (Extracted from cpukit/configure.ac).
• configure.ac: Add RTEMS_CHECK_GCC_WEAK.

Files:

• c/src/ChangeLog (modified) (1 diff)
• c/src/aclocal/gcc-weak.m4 (added)
• c/src/configure.ac (modified) (1 diff)
• cpukit/ChangeLog (modified) (1 diff)
• cpukit/aclocal/gcc-weak.m4 (added)
• cpukit/configure.ac (modified) (1 diff)

c/src/ChangeLog

@@ +1 @@
+2004-09-21      Ralf Corsepius <ralf_corsepius@rtems.org>
+
+        * aclocal/gcc-weak.m4: New (Extracted from cpukit/configure.ac).
+        * configure.ac: Add RTEMS_CHECK_GCC_WEAK.
+
 2004-08-17      Ralf Corsepius <ralf_corsepius@rtems.org>
 

c/src/configure.ac

@@ -113 +113 @@
 RTEMS_CANONICALIZE_TOOLS
 
+RTEMS_CHECK_GCC_WEAK
+
 AC_SUBST(CUSTOM_CFG_FILES)
 AC_SUBST(cfg_dir)

cpukit/ChangeLog

@@ +1 @@
+2004-09-21      Ralf Corsepius <ralf_corsepius@rtems.org>
+
+        * aclocal/gcc-weak.m4: New (Extracted from cpukit/configure.ac).
+        * configure.ac: Add RTEMS_CHECK_GCC_WEAK.
+
 2004-09-17      Joel Sherrill <joel@OARcorp.com>
 

cpukit/configure.ac

@@ -228 +228 @@
 
 # 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])
-])
+RTEMS_CHECK_GCC_WEAK
 
 AC_CHECK_HEADERS([sys/cdefs.h],[NEED_SYS_CDEFS_H=no],[NEED_SYS_CDEFS_H=yes])