From 094772656d71b3f5022ae292094e878da035de9e Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Tue, 16 Nov 2021 10:01:38 +0800
Subject: build: support LTO in depends

No Qt for now.
---
 depends/hosts/darwin.mk | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'depends/hosts/darwin.mk')

diff --git a/depends/hosts/darwin.mk b/depends/hosts/darwin.mk
index bf9b7625f2..a564613cb6 100644
--- a/depends/hosts/darwin.mk
+++ b/depends/hosts/darwin.mk
@@ -110,6 +110,12 @@ darwin_CXX=env -u C_INCLUDE_PATH -u CPLUS_INCLUDE_PATH \
                -Xclang -internal-externc-isystem$(OSX_SDK)/usr/include
 
 darwin_CFLAGS=-pipe
+
+ifneq ($(LTO),)
+darwin_CFLAGS += -flto
+darwin_LDFLAGS += -flto
+endif
+
 darwin_CXXFLAGS=$(darwin_CFLAGS)
 
 darwin_release_CFLAGS=-O2
-- 
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