svn commit: r427110 - head/lang/gcc/files [does lang/gcc49 need such too?]

[Gerald Pfeifer]

Hi Mark,

On Sat, 10 Dec 2016, Mark Millard wrote:
> [Top post of example lack of lang/gcc6-devel vs. lan/gcc6
> substitutability. Context /usr/ports/ at -r428325 (other
> than a few specially controlled items.]

I had another look, and lang/gcc6 and lang/gcc6-devel really are
substitutable in what they provide.

> After installing lang/gcc6-devel something else indirectly
> forced lang/gcc6 to try to build. The attempt failed with:

That means that "something else indirectly forc[ing] lang/gcc6" is
what appears to be going on here.  I double checked Mk/bsd.gcc.mk
and failed to find anything (which also would be surprising given
no other reports in the last decade).

vbox@, any ideas?

Gerald

> The specific example turns out to be. . .
> 
> emulators/virtualbox-ose-additions leads to:
> 
> ===>>> The following actions will be taken if you choose to proceed:
>         Upgrade virtualbox-ose-additions-5.1.8 to virtualbox-ose-additions-5.1.10
>         Install devel/kBuild
>         Install lang/gcc6
>         Install textproc/flex
> 
> and lang/gcc6 tries to build during devel/kBuild and the 3
> non-lang/gcc6 items above have:
> 
> # grep -i gcc emulators/virtualbox-ose-additions/Makefile devel/kBuild/Makefile textproc/flex/Makefile 
> emulators/virtualbox-ose-additions/Makefile:CONFIGURE_ARGS+=    --nofatal --with-gcc="${CC}" --with-g++="${CXX}"
> emulators/virtualbox-ose-additions/Makefile:    @${ECHO} 'VBOX_GCC_std = -std=c++11' >> ${WRKSRC}/LocalConfig.kmk
> emulators/virtualbox-ose-additions/Makefile:    @${ECHO} 'VBOX_GCC_Wno-unused-parameter = -Wno-unused-parameter' >> \
> devel/kBuild/Makefile:USE_GCC=  any
> devel/kBuild/Makefile:          ${REINPLACE_CMD} -e 's|gcc|${CC}|g' $$f ; \
> 
> In a context with:
> 
> # pkg info | grep -i gcc
> gcc6-devel-6.2.1.s20161201     GNU Compiler Collection 6
> powerpc64-gcc-6.2.0            Cross GNU Compiler Collection for powerpc64
> powerpc64-xtoolchain-gcc-0.1   Pre seeded toolchain to cross build FreeBSD base
> 
> # more /etc/make.conf 
> WANT_QT_VERBOSE_CONFIGURE=1
> #
> DEFAULT_VERSIONS+=perl5=5.24
> WRKDIRPREFIX=/usr/obj/portswork
> WITH_DEBUG=
> WITH_DEBUG_FILES=
> MALLOC_PRODUCTION=
> 
> 
> So apparently lang/gcc6-devel can not substitute for lang/gcc6
> automatically.
> 
> 
> 
> Now that devel/powerpc64-gcc is 6.2.0 based it and lang/gcc6 may also
> conflict (I do not know yet: build in progress).
> 
> 
> 
> ===
> Mark Millard
> markmi at dsl-only.net