On Saturday 26 January 2013 14:23:28 John Stebbins wrote: > On 01/26/2013 11:20 AM, Mike Frysinger wrote: > > On Saturday 26 January 2013 13:56:17 John Stebbins wrote: > >> + if test "$GCC" = "yes" ; then > >> + gcc_version="`$CC -dumpversion`" > >> + gcc_version_major=$(echo $gcc_version | cut -d"." -f1) > >> + gcc_version_minor=$(echo $gcc_version | cut -d"." -f2) > >> + gcc_version_patch=$(echo $gcc_version | cut -d"." -f3) > >> + if test $gcc_version_major -ge 4 -a $gcc_version_minor -ge 7 ; > >> + CFLAGS="-mno-ms-bitfields $CFLAGS" > >> + fi > >> + fi > > > > why not test if the flag is supported and then use it whenever it is ? > > that way you don't have to check the gcc version. > > Because I suck at autoconf and didn't know how...
not too many people would admit to being good at autotools :)
easiest thing is probably to copy ax_check_compile_flag.m4 from the autoconf-
archive project into the m4/ subdir and then do:
AX_CHECK_COMPILE_FLAG([-mno-ms-bitfields],
[CFLAGS="-mno-ms-bitfields $CFLAGS"])
-mike
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