Makefile: Allow to extend FLAGS (#5860)

jirutka · RX14 · commit 1a6d5977ecde · 2018-04-09T18:03:32.000+01:00
diff --git a/Makefile b/Makefile
@@ -27,7 +27,7 @@ static ?=       ## Enable static linking
 O := .build
 SOURCES := $(shell find src -name '*.cr')
 SPEC_SOURCES := $(shell find spec -name '*.cr')
-FLAGS := $(if $(release),--release )$(if $(stats),--stats )$(if $(progress),--progress )$(if $(threads),--threads $(threads) )$(if $(debug),-d )$(if $(static),--static )$(if $(LDFLAGS),--link-flags="$(LDFLAGS)" )
+override FLAGS += $(if $(release),--release )$(if $(stats),--stats )$(if $(progress),--progress )$(if $(threads),--threads $(threads) )$(if $(debug),-d )$(if $(static),--static )$(if $(LDFLAGS),--link-flags="$(LDFLAGS)" )
 SPEC_FLAGS := $(if $(verbose),-v )$(if $(junit_output),--junit_output $(junit_output) )
 EXPORTS := $(if $(release),,CRYSTAL_CONFIG_PATH="$(PWD)/src")
 SHELL = sh
