Activate -Wsign-compare.

[osl.git] / Makefile

diff --git a/Makefile b/Makefile
index a993946050cf437aba448c8ba4db646a543f0980..bdf78a2728ab67eb4a7a6096f46132663570437f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,12 @@
+# Implicit rules are implemented in make as suffix rules. The following rule
+# empties the suffix list to disable the predefined implicit rules. This
+# increases performance and avoids hard-to-debug behaviour.
+.SUFFIXES:
+MAKEFLAGS += -Rr
+ifeq ("$(origin CC)", "default")
+       CC := cc
+endif
+
 # where to install
 PREFIX ?= /usr/local
 libdir := $(PREFIX)/lib
@@ -30,7 +39,7 @@ VERSION := $(x).$(y).$(z)
 
 OSL_CPPFLAGS += -DOSL_VERSION='"$(VERSION)"'
 
-OSL_CFLAGS += -Wno-sign-compare -g -Wunused -Wundef -W
+OSL_CFLAGS += -g -Wunused -Wundef -W
 OSL_CFLAGS += -Wredundant-decls
 OSL_CFLAGS += -Os
 OSL_CFLAGS += -Wall