From d5087ccbc8729a252c6fd0d2fe71a55e4b136e3a Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Wed, 8 Apr 2020 17:41:51 -0400
Subject: [PATCH] cmake: expose ZIG_TARGET_MCPU option

---
 CMakeLists.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 14b490fa5..66015fe69 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,6 +63,7 @@ option(ZIG_TEST_COVERAGE "Build Zig with test coverage instrumentation" OFF)
 option(ZIG_FORCE_EXTERNAL_LLD "does nothing" OFF)
 
 set(ZIG_TARGET_TRIPLE "native" CACHE STRING "arch-os-abi to output binaries for")
+set(ZIG_TARGET_MCPU "baseline" CACHE STRING "-mcpu parameter to output binaries for")
 set(ZIG_EXECUTABLE "" CACHE STRING "(when cross compiling) path to already-built zig binary")
 
 find_package(llvm)
@@ -433,7 +434,7 @@ endif()
 set(BUILD_LIBSTAGE2_ARGS "build-lib"
     "src-self-hosted/stage2.zig"
     -target "${ZIG_TARGET_TRIPLE}"
-    -mcpu=baseline
+    "-mcpu=${ZIG_TARGET_MCPU}"
     --name zigstage2
     --override-lib-dir "${CMAKE_SOURCE_DIR}/lib"
     --cache on