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| author | tron <tron@openttd.org> | 2005-01-17 13:21:10 +0000 |
|---|---|---|
| committer | tron <tron@openttd.org> | 2005-01-17 13:21:10 +0000 |
| commit | 9fadf6cf848e8b8248c945066be2fcd4efe2e349 (patch) | |
| tree | 98659b2526c67b19ef47e45fbb10132199ecdd0c /Makefile | |
| parent | f4f705e72307fb33dfd095bf652b6cac63cb466d (diff) | |
| download | openttd-9fadf6cf848e8b8248c945066be2fcd4efe2e349.tar.xz | |
(svn r1553) Check which gcc version is present and only set availible compiler flags
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 15 |
1 files changed, 14 insertions, 1 deletions
@@ -294,7 +294,20 @@ endif # -O optimize or -O2 fully optimize (O's above 2 are not recommended) # -pg profile - generate profiling data. See "man gprof" to use this. -CFLAGS=-Wall -Wno-multichar -Wsign-compare -W -O1 -Wno-unused-parameter +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 if test ! $(CC_VERSION) \< 2.9; then echo true; fi), true) + CFLAGS += -O -Wall -Wno-multichar -Wsign-compare +endif +ifeq ($(shell if test ! $(CC_VERSION) \< 3.0; then echo true; fi), true) + CFLAGS += -W -Wno-unused-parameter +endif +ifeq ($(shell if test ! $(CC_VERSION) \< 3.4; then echo true; fi), true) + CFLAGS += -Wdeclaration-after-statement +endif + CDEFS=-DWITH_REV LDFLAGS= LIBS= |