Merge pull request #19028 from JuliaLang/sf/LLVM_LTO

Add `LLVM_LTO` make flag to build LLVM with Link-Time Optimization
JuliaLang · Oct 21, 2016 · 0d8a738 · 0d8a738
2 parents 7c94acd + 722eb0d
commit 0d8a738
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/deps/llvm.mk b/deps/llvm.mk
@@ -181,6 +181,11 @@ else
 LLVM_CC :=
 endif # LLVM_SANITIZE
 
+ifeq ($(LLVM_LTO),1)
+LLVM_CPPFLAGS += -flto
+LLVM_LDFLAGS += -flto
+endif # LLVM_LTO
+
 ifneq ($(LLVM_CXXFLAGS),)
 LLVM_FLAGS += CXXFLAGS="$(LLVM_CXXFLAGS)"
 LLVM_MFLAGS += CXXFLAGS="$(LLVM_CXXFLAGS)"