On Fri, 2 Apr 2004, Dave Korn wrote:
> Just trying to build the cygutils from the source distro, and I'm having a
> little trouble with the build script:
>
> -----snip-----
> conf() {
> (cd ${objdir} && \
> CFLAGS="${MY_CFLAGS}" ${srcdir}/configure \
> --srcdir=${srcdir} --prefix=${prefix} \
> --exec-prefix=${prefix} --sysconfdir=${sysconfdir} \
> --libdir=${prefix}/lib --includedir=${prefix}/include \
> --mandir=${prefix}/share/man --infodir=${prefix}/share/info
> )}
> -----snip-----
>
> But when I say
>
> -----snip-----
> export MY_CFLAGS='-g -O0'
> cygutils-1.2.5-1.sh conf
> cygutils-1.2.5-1.sh build
> -----snip-----
>
> I still get the default '-g -O2' flags. There's no trace of my -O0 anywhere
> in the makefile. Even trying setting
>
> -----snip-----
> export CFLAGS='-g -O0'
> export MY_CFLAGS='-g -O0'
> cygutils-1.2.5-1.sh conf
> cygutils-1.2.5-1.sh build
> -----snip-----
>
> doesn't make any difference.
>
> Is it a bogus assumption that the configure script will respect CFLAGS?
> Is this just standard cygwin makescript boilerplate, kindof the same way
> that the top-level configure script goes and passes every option to every
> one of the subconfigures whether relevant or not? It's a bit misleading to
> see that line there and think you can set the cflags for the build in the
> same way you can with gnu makefiles.
>
> cheers,
> DaveK
Dave,
See line 61 of the script -- it sets the MY_CFLAGS variable explicitly.
It's a shell script, not a Makefile, so environment settings don't
override variables that are set explicitly.
FWIW, the latest generic-build-script corrects this issue.
Igor
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