1 files changed, 45 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/12.2.0/970-macos_arm64-building-fix.patch b/toolchain/gcc/patches/12.2.0/970-macos_arm64-building-fix.patch
new file mode 100644
index 0000000000..86fa68e1b1
--- /dev/null
+++ b/toolchain/gcc/patches/12.2.0/970-macos_arm64-building-fix.patch
@@ -0,0 +1,45 @@
+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
+@@ -1290,7 +1290,7 @@ 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;