use gold linker on linux

This reduces the build-time of bin/sdc by 30% on my machine
snazzy-d · Jan 27, 2016 · 1554fe5 · 1554fe5
1 parent c235caa
commit 1554fe5
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diff --git a/.travis.yml b/.travis.yml
@@ -44,6 +44,7 @@ addons:
       - libedit2
       - libedit-dev
       - g++-4.9
+      - binutils-gold
 
 # install lit from PyPi and make sure it works, compile FileCheck and install in ./tests/ir
 install: 

diff --git a/makefile b/makefile
@@ -27,6 +27,10 @@ endif
 LDFLAGS += $(LIBD_LIB) -lphobos2 $(LLVM_LIB)
 
 ifeq ($(PLATFORM),Linux)
+	LD_GOLD = $(shell which ld.gold | xargs basename)
+	ifeq ($(LD_GOLD),ld.gold)
+		LDFLAGS += -fuse-ld=gold
+	endif
 	LDFLAGS += -lstdc++ -export-dynamic
 	NASMFLAGS += -f elf64
 endif