From 0a794163f4feccf2c408c206f37da5f5b0eab4de Mon Sep 17 00:00:00 2001
From: Michael Redig <mredig@gmail.com>
Date: Thu, 13 Apr 2023 18:43:06 -0500
Subject: [PATCH] add makefile entry to build fat binary on macos

---
 Makefile            | 9 +++++++++
 programs/.gitignore | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/Makefile b/Makefile
index 3b2e3999f..72a9480aa 100644
--- a/Makefile
+++ b/Makefile
@@ -197,6 +197,15 @@ uninstall:
 travis-install:
 	$(MAKE) install PREFIX=~/install_test_dir
 
+.PHONY: clangbuild-darwin-fat
+clangbuild-darwin-fat: clean
+	clang -v
+	CXX=clang++ CC=clang CFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation -arch arm64" $(MAKE) zstd-release
+	mv programs/zstd programs/zstd_arm64
+	CXX=clang++ CC=clang CFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation -arch x86_64" $(MAKE) zstd-release
+	mv programs/zstd programs/zstd_x64
+	lipo -create programs/zstd_x64 programs/zstd_arm64 -output programs/zstd
+
 .PHONY: gcc5build gcc6build gcc7build clangbuild m32build armbuild aarch64build ppcbuild ppc64build
 gcc5build: clean
 	gcc-5 -v
diff --git a/programs/.gitignore b/programs/.gitignore
index 2d4edbe45..42a7e30dc 100644
--- a/programs/.gitignore
+++ b/programs/.gitignore
@@ -9,6 +9,8 @@ zstd-small
 zstd-nolegacy
 zstd-dictBuilder
 zstd-dll
+zstd_arm64
+zstd_x64
 
 # Object files
 *.o