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GCC: Patch for Apple Silicon compatibility

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This patch fixes a linker error occuring when compiling
the cross-compiler on macOS and ARM64 architecture.

Adapted from:
https://github.com/richfelker/musl-cross-make/issues/116#issuecomment-823612404

Change-Id: Ia3ee98a163bbb62689f42e2da83a5ef36beb0913
Reviewed-on: https://review.haiku-os.org/c/buildtools/+/4329
Reviewed-by: John Scipione <jscipione@gmail.com>
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
This commit is contained in:
Przemysław Buczkowski 2021-08-16 13:16:21 +01:00 committed by Adrien Destugues
parent 4ab0fe4d95
commit 9c6e71079b
2 changed files with 5 additions and 1 deletions
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2
gcc/gcc/config/aarch64/aarch64.h
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@ -1000,7 +1000,7 @@ extern const char *aarch64_rewrite_mcpu (int argc, const char **argv);
#define MCPU_TO_MARCH_SPEC_FUNCTIONS \
{ "rewrite_mcpu", aarch64_rewrite_mcpu },
#if defined(__aarch64__)
#if defined(__aarch64__) && ! defined(__APPLE__)
extern const char *host_detect_local_cpu (int argc, const char **argv);
#define HAVE_LOCAL_CPU_DETECT
# define EXTRA_SPEC_FUNCTIONS \

4
gcc/gcc/config/host-darwin.c
View File

@ -22,6 +22,8 @@
#include "coretypes.h"
#include "diagnostic-core.h"
#include "config/host-darwin.h"
#include "hosthooks.h"
#include "hosthooks-def.h"
/* Yes, this is really supposed to work. */
static char pch_address_space[1024*1024*1024] __attribute__((aligned (4096)));
@ -75,3 +77,5 @@ darwin_gt_pch_use_address (void *addr, size_t sz, int fd, size_t off)
return ret;
}
const struct host_hooks host_hooks = HOST_HOOKS_INITIALIZER;