diff options
| -rw-r--r-- | include/makeinclude/platform_aix4_cset++.GNU | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/include/makeinclude/platform_aix4_cset++.GNU b/include/makeinclude/platform_aix4_cset++.GNU index ae31b487da6..6607f225fbd 100644 --- a/include/makeinclude/platform_aix4_cset++.GNU +++ b/include/makeinclude/platform_aix4_cset++.GNU @@ -29,11 +29,17 @@ CXX = xlC_r # -qextchk is handy, but produces false type mismatches when linking # netsvcs with 3.1.4, so it's disabled. IBM reports this fixed in 3.6.4. CCFLAGS += $(CFLAGS) -qtempinc -qinfo -# AIX 4.3 and IBM C/C++ compilers 3.6.4 produce a bazillion warnings -# about 0-valued preprocessor defs. The problem may be a 3.6.4 compiler thing, -# but the only way I know of at this moment to turn the things off is to switch -# it based on the OS minor vers (assuming AIX 4.3 is used w/ xlC 3.6.4). -ifeq ($(AIX_MINOR_VERS),3) + +# IBM C/C++ compiler 3.6.x produces a bazillion warnings about 0-valued +# preprocessor defs. Since both 3.1 and 3.4 could be installed, don't ask +# lslpp for one or the other. Instead, compile a file and see which compiler +# the user has set up for use. This trick was submitted by Craig Rodrigues +# <rodrigc@mediaone.net>, originally from the vacpp compiler newsgroup. +# It relies on the preprocessor defining __xlC__ to the proper version +# number of the compiler. +XLCVERSION := $(shell echo "__xlC__" > ./testAIXCompilerVersion.cpp) +XLCVERSION := $(shell $(CXX) -E ./testAIXCompilerVersion.cpp | tail -1') +ifeq ($(XLCVERSION),0x0306) CCFLAGS += -qflag=e:e else CCFLAGS += -qflag=w:w |