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crossgcc: Fix x86_64-elf target's -m16 support 

It still needs to pass --32 (yes, 32) to the assembler.
x86_64-linux does this (through some other config file),
x86_64-elf did not.

This fixes building SeaBIOS with our x86_64-elf multilib compiler.

Change-Id: Ibe2a70e46e64e71c947482be5ec0eaf7f7bf300d
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/11289
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Patrick Georgi 2015-08-20 17:53:52 +02:00 committed by Patrick Georgi
parent 43213be116
commit 505e609452
1 changed files with 11 additions and 0 deletions
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11
util/crossgcc/patches/gcc-5.2.0_elf_biarch.patch
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@ -74,3 +74,14 @@ diff -urN gcc-4.9.2/gcc/config.gcc gcc-4.9.2/gcc/config.gcc
;; ;;
i[34567]86-*-rdos*) i[34567]86-*-rdos*)
tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/rdos.h" tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/rdos.h"
--- gcc-5.2.0/gcc/config/i386/x86-64.h.orig 2015-08-20 17:17:34.555919593 +0200
+++ gcc-5.2.0/gcc/config/i386/x86-64.h 2015-08-20 17:17:42.615908670 +0200
@@ -49,7 +49,7 @@
#define WCHAR_TYPE_SIZE 32
#undef ASM_SPEC
-#define ASM_SPEC "%{m32:--32} %{m64:--64} %{mx32:--x32}"
+#define ASM_SPEC "%{m16|m32:--32} %{m64:--64} %{mx32:--x32}"
#undef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \