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-rw-r--r--depends/hosts/darwin.mk6
1 files changed, 6 insertions, 0 deletions
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