From 07a07eb6f6c4c0a93aff412964e7a133179d041e Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Wed, 30 Nov 2022 17:56:22 -0800
Subject: Enable parallel LTO linking.

---
 Makefile | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index fb096da..e51b18c 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ BUILD := build
 override PACKAGES := fmt
 
 WARNINGS := -Wall -Werror
-OPTIMIZE := -Og -flto
+OPTIMIZE := -Og -flto=auto -fuse-linker-plugin
 DEBUG := -g
 
 CXX := g++
@@ -70,10 +70,10 @@ $(BUILD)/%.o: $(BUILD)/%.bin
 
 $(BUILD)/%.o: %.cpp
 	@mkdir -p $(dir $@)
-	$(CXX) $(CXXFLAGS) $(COMPILE_FLAGS) -c -o $@ $<
+	+$(CXX) $(CXXFLAGS) $(COMPILE_FLAGS) -c -o $@ $<
 
 $(BUILD)/%.o: $(BUILD)/%.cpp
-	$(CXX) $(CXXFLAGS) $(COMPILE_FLAGS) -c -o $@ $<
+	+$(CXX) $(CXXFLAGS) $(COMPILE_FLAGS) -c -o $@ $<
 
 $(BUILD)/programs/programs.cpp:
 	@mkdir -p $(dir $@)
@@ -81,4 +81,4 @@ $(BUILD)/programs/programs.cpp:
 
 $(BUILD)/minigolf: $(OBJECTS)
 	@mkdir -p $(dir $@)
-	$(CXX) $(CXXFLAGS) -o $@ -Wl,--start-group $+ -Wl,--end-group $(LINK_FLAGS)
+	+$(CXX) $(CXXFLAGS) -o $@ -Wl,--start-group $+ -Wl,--end-group $(LINK_FLAGS)
-- 
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