Some probably fixincludes-related change between 2004-11-17 and 2004-11-23 on
has broken gcc-3.4-branch for all RTEMS-targets and may-be for all newlib-based
targets in general.
Unlike before 2004-11-23, now bootstrapping GCC-3.4.x + newlib one-tree style,
produces a limits.h that is unusable for RTEMS.
This is the diff between the limits.h from of GCC-3.4.4pre (2004-11-23) and a
GCC-3.4.4pre (2004-11-17) toolchains:
diff -u \
/opt/rtems-4.7/lib/gcc/avr-rtems4.7/3.4.4/include/limits.h \
/opt/rtems-4.7/lib/gcc/m68k-rtems4.7/3.4.4/include/limits.h
--- /opt/rtems-4.7/lib/gcc/avr-rtems4.7/3.4.4/include/limits.h 2004-11-23
19:10:36.000000000 +0100
+++ /opt/rtems-4.7/lib/gcc/m68k-rtems4.7/3.4.4/include/limits.h 2004-11-18
06:39:55.000000000 +0100
@@ -1,3 +1,15 @@
+/* This administrivia gets added to the beginning of limits.h
+ if the system has its own version of limits.h. */
+
+/* We use _GCC_LIMITS_H_ because we want this not to match
+ any macros that the system's limits.h uses for its own purposes. */
+#ifndef _GCC_LIMITS_H_ /* Terminated in limity.h. */
+#define _GCC_LIMITS_H_
+
+#ifndef _LIBC_LIMITS_H_
+/* Use "..." so that we find syslimits.h only in this same directory. */
+#include "syslimits.h"
+#endif
#ifndef _LIMITS_H___
#define _LIMITS_H___
@@ -101,3 +113,13 @@
#endif
#endif /* _LIMITS_H___ */
+/* This administrivia gets added to the end of limits.h
+ if the system has its own version of limits.h. */
+
+#else /* not _GCC_LIMITS_H_ */
+
+#ifdef _GCC_NEXT_LIMITS_H
+#include_next <limits.h> /* recurse down to the real one */
+#endif
+
+#endif /* not _GCC_LIMITS_H_ */
As it seems to me, before this change, fixincludes was run, and now it doesn't
seem to be run anymore. AFAIK, theoretically newlib targets are supposed not to
require running fixincludes, so a bug that might have been present before might
have been fixed and now might break newlib for RTEMS.
--
Summary: fixincludes breaks RTEMS
Product: gcc
Version: 3.4.4
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: regression
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: corsepiu at gcc dot gnu dot org
CC: gcc-bugs at gcc dot gnu dot org,joel at oarcorp dot com
GCC target triplet: *-rtems*
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18643
