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(svn r1553) Check which gcc version is present and only set availible compiler flags

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tron
2005-01-17 13:21:10 +00:00
parent f4f705e723
commit 9fadf6cf84
1 changed files with 14 additions and 1 deletions
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15
Makefile
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@@ -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=