Use -W, not -Werror, for gcc older than 3.4

[ghc-hetmet.git] / rts / ghc.mk

diff --git a/rts/ghc.mk b/rts/ghc.mk
index 69b03d1..5efcfd3 100644 (file)
--- a/rts/ghc.mk
+++ b/rts/ghc.mk
@@ -131,7 +131,12 @@ $(foreach way,$(rts_WAYS),$(eval $(call build-rts-way,$(way))))
 # Flags for compiling every file
 
 # We like plenty of warnings.
-WARNING_OPTS += -Wall -Wextra
+WARNING_OPTS += -Wall
+ifeq "$(GccLT34)" "YES"
+WARNING_OPTS += -W
+else
+WARNING_OPTS += -Wextra
+endif
 WARNING_OPTS += -Wstrict-prototypes 
 WARNING_OPTS += -Wmissing-prototypes 
 WARNING_OPTS += -Wmissing-declarations