Date: Fri, 22 Sep 2000 17:54:44 +0300 From: Maxim Sobolev <sobomax@FreeBSD.org> To: Espen Skoglund <esk@ira.uka.de> Cc: ports@FreeBSD.org Subject: Re: Modifying linkopts in libtool Message-ID: <39CB72B3.4B256183@FreeBSD.org> References: <14795.15262.123604.865457@i30nb2.ira.uka.de> <39CB6ADF.2976F4EF@FreeBSD.org> <14795.28046.251154.85719@i30nb2.ira.uka.de>
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Espen Skoglund wrote:
> [Maxim Sobolev]
> > Espen Skoglund wrote:
> >> Hi,
> >>
> >> I was trying to create a port containing a shared library using the
> >> _fini() function for cleanup. The package was also using libtool,
> >> and it had put `linkopts=-nostdlib' in its ltmain.sh in order avoid
> >> conflicts with the _fini() function in crtbeginS.o. However, when
> >> I specify USE_LIBTOOL in the port-makefile, the port-version of
> >> libtool is used instead of the one inside the package. Does anyone
> >> have any suggestion of how to cope with this? I thought about
> >> modifying the package makefile or something, but this is sort of
> >> troublesome because libtool ignores most of the command line
> >> options that you pass to it. The soultion that I've currently come
> >> up with is to add a pre-build target that patches the produced
> >> libtool script to include the linkopts line above, but I would
> >> prefer something that could be incorporated into the package.
>
> > Add `CONFIGURE_ENV= LDFLAGS="linkopts=-nostdlib"' into port's
> > Makefile or patch appropriate Makefile.in.
>
> Well, this won't work. First of all, the linkopts is a shell variable
> which is defined in the generated libtool script. Second, setting
> LDFLAGS or anything in the Makefile won't work because the libtool
> script tends to ignore most of the arguments given to gcc. As far as
> I can tell by a quick look through the script, the command line for
> linking is produced by:
>
> archive_cmds="\$CC -shared \$compile_rpath \$libobjs \$deplibs \
> \$linkopts \${wl}-soname \$wl \$soname -o \$lib"
>
> which does not really give any room for extra flags.
Oh, I see my error. Here is right version:
`CONFIGURE_ENV= LDFLAGS="-nostdlib"'
-Maxim
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