openwrt/toolchain/gcc/patches-12.x/970-macos_arm64-building-fi...

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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>
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -1293,7 +1293,7 @@ extern const char *aarch64_rewrite_mcpu
#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 \
--- a/gcc/config/host-darwin.cc
+++ b/gcc/config/host-darwin.cc
@@ -23,6 +23,8 @@
#include "options.h"
#include "diagnostic-core.h"
#include "config/host-darwin.h"
+#include "hosthooks.h"
+#include "hosthooks-def.h"
#include <errno.h>
/* For Darwin (macOS only) platforms, without ASLR (PIE) enabled on the
@@ -181,3 +183,5 @@ darwin_gt_pch_use_address (void *&addr,
return 1;
}
+
+const struct host_hooks host_hooks = HOST_HOOKS_INITIALIZER;