toolchain/gcc: fix build on MacOS arm64

Added patch for GCC to fix compilation issues on MacOS arm64

The original commit message from Przemysław Buczkowski:

GCC: Patch for Apple Silicon compatibility

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

Signed-off-by: Sergey V. Lobanov <sergey@lobanov.in>
This commit is contained in:
Sergey V. Lobanov 2021-11-29 19:09:10 +03:00 committed by Paul Spooren
parent 8fedc17d01
commit ab241e0937
1 changed files with 49 additions and 0 deletions

View File

@ -0,0 +1,49 @@
commit 9c6e71079b46ad5433165feaa2001450f2017b56
Author: Przemysław Buczkowski <prem@prem.moe>
Date: Mon Aug 16 13:16:21 2021 +0100
GCC: Patch for Apple Silicon compatibility
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>
diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h
index 976f9afae5..736b83ff0b 100644
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -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 \
diff --git a/gcc/config/host-darwin.c b/gcc/config/host-darwin.c
index 8f700eec85..b737abc006 100644
--- a/gcc/config/host-darwin.c
+++ b/gcc/config/host-darwin.c
@@ -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;