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authortron <tron@openttd.org>2005-12-14 06:16:34 +0000
committertron <tron@openttd.org>2005-12-14 06:16:34 +0000
commitce94c90a7b966c0bff294f2b582068d984ba172c (patch)
treed6085907293b388ad5ed482dc6379eae6fc958bc /Makefile
parentd8727d7fcd34499fcb7c12551b926a45477520da (diff)
downloadopenttd-ce94c90a7b966c0bff294f2b582068d984ba172c.tar.xz
(svn r3296) Warn about testing an undefined macro with #if - should most probably be #ifdef
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 9cb7c4a97..7d70dee4e 100644
--- a/Makefile
+++ b/Makefile
@@ -293,7 +293,7 @@ CC_VERSION = $(shell $(CC) -dumpversion | cut -c 1,3)
# GNU make can only test for (in)equality
# this is a workaround to test for >=
ifeq ($(shell expr $(CC_VERSION) \>= 29), 1)
- CFLAGS += -O -Wall -Wno-multichar -Wsign-compare -Wstrict-prototypes
+ CFLAGS += -O -Wall -Wno-multichar -Wsign-compare -Wstrict-prototypes -Wundef
CFLAGS += -Wwrite-strings -Wpointer-arith
endif
ifeq ($(shell expr $(CC_VERSION) \>= 30), 1)