Alex Zepeda wrote:
> On Thu, Jun 13, 2002 at 12:26:05PM +1000, Bruce Evans wrote:
> > rtld still uses asms with the old, broken/fragile "0" constraint. This
> > constraint is especially broken/fragile if things are pessimized by
> > compiling without optimizations.
>
> D'oh!
>
> Is there any chance of sticking a warning in the makefile if -O0 (or
> whatever else would cause it to not compile) is present?
GCCVERS=`gcc -v 2>&1 | grep version | cut -d " " -f 3`
.if ${GCCVERS} = "3.1"
.BEGIN:
echo "Optimization with GCC 3.1 is often broken!" >&2
.endif
Oh... you wanted to grep "-O" out of the CFLAGS and CXXFLAGS?
How to do that should be obvious from the above...
-- Terry
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