glibc/glibc-fedora-ppc-unwind.patch

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glibc-2.3.3-1478-g37582bc
* Thu Nov 30 2006 Jakub Jelinek <jakub@redhat.com> 2.5.90-9
- on ppc64 build __libc_start_main without unwind info,
as it breaks MD_FROB_UPDATE_CONTEXT (#217729, #217775; in the
future that could be fixable just by providing .cfi_undefined r2
in __libc_start_main instead)
diff -Nrup a/sysdeps/powerpc/powerpc64/Makefile b/sysdeps/powerpc/powerpc64/Makefile
--- a/sysdeps/powerpc/powerpc64/Makefile 2012-06-05 07:42:49.000000000 -0600
+++ b/sysdeps/powerpc/powerpc64/Makefile 2012-06-07 12:15:21.828318633 -0600
@@ -35,6 +35,8 @@ CFLAGS-rtld-memmove.os = $(no-special-re
CFLAGS-rtld-memchr.os = $(no-special-regs)
CFLAGS-rtld-strnlen.os = $(no-special-regs)
+CFLAGS-libc-start.c += -fno-asynchronous-unwind-tables
+
ifeq ($(subdir),csu)
sysdep_routines += hp-timing
elide-routines.os += hp-timing