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The patch is a solution for https://bugs.launchpad.net/ubuntu/+source/gcc-4.5/+bug/768921
-Khem
Index: gcc-4_5-branch/gcc/config.gcc
===================================================================
--- gcc-4_5-branch.orig/gcc/config.gcc 2011-06-16 21:23:22.000000000 -0700
+++ gcc-4_5-branch/gcc/config.gcc 2011-06-16 21:51:20.845279713 -0700
@@ -2035,7 +2035,7 @@
tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-rtems t-rtems rs6000/t-ppccomm"
;;
powerpc-*-linux* | powerpc64-*-linux*)
- tm_file="${tm_file} dbxelf.h elfos.h freebsd-spec.h rs6000/sysv4.h"
+ tm_file="${tm_file} dbxelf.h elfos.h linux.h freebsd-spec.h rs6000/sysv4.h"
extra_options="${extra_options} rs6000/sysv4.opt"
tmake_file="t-dfprules rs6000/t-fprules rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
maybe_biarch=yes
Index: gcc-4_5-branch/gcc/config/rs6000/sysv4.h
===================================================================
--- gcc-4_5-branch.orig/gcc/config/rs6000/sysv4.h 2011-06-16 21:23:22.000000000 -0700
+++ gcc-4_5-branch/gcc/config/rs6000/sysv4.h 2011-06-16 22:08:49.425279473 -0700
@@ -620,6 +620,7 @@
#define CC1_SECURE_PLT_DEFAULT_SPEC ""
#endif
+#undef CC1_SPEC
/* Pass -G xxx to the compiler and set correct endian mode. */
#define CC1_SPEC "%{G*} %(cc1_cpu) \
%{mlittle|mlittle-endian: %(cc1_endian_little); \
@@ -903,22 +904,13 @@
#define LINK_START_LINUX_SPEC ""
#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
-#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
-#if DEFAULT_LIBC == LIBC_UCLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
-#elif DEFAULT_LIBC == LIBC_GLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
-#else
-#error "Unsupported DEFAULT_LIBC"
-#endif
-#define LINUX_DYNAMIC_LINKER \
- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
#define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "}}}"
#if defined(HAVE_LD_EH_FRAME_HDR)
+# undef LINK_EH_SPEC
# define LINK_EH_SPEC "--no-add-needed %{!static:--eh-frame-hdr} "
#endif
@@ -1113,6 +1105,7 @@
be stacked, so that invocations of #pragma pack(pop)' will return
to the previous value. */
+#undef HANDLE_PRAGMA_PACK_PUSH_POP
#define HANDLE_PRAGMA_PACK_PUSH_POP 1
/* Select a format to encode pointers in exception handling data. CODE
Index: gcc-4_5-branch/gcc/config/freebsd-spec.h
===================================================================
--- gcc-4_5-branch.orig/gcc/config/freebsd-spec.h 2011-06-16 17:59:03.000000000 -0700
+++ gcc-4_5-branch/gcc/config/freebsd-spec.h 2011-06-16 22:11:34.145279435 -0700
@@ -154,6 +154,7 @@
#endif
#if defined(HAVE_LD_EH_FRAME_HDR)
+#undef LINK_EH_SPEC
#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
#endif
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