GCC master: Weird build problem on Fedora 29

Iain Buclaw ibuclaw at gdcproject.org
Wed Nov 21 11:27:00 UTC 2018


On Tue, 20 Nov 2018 at 09:30, Dejan Lekic via D.gnu <d.gnu at puremagic.com> wrote:
>
> I am trying to build GCC master with D enabled, configured with:
>
> ../configure --enable-languages=d --prefix=/opt/gcc
> --mandir=/opt/gcc/share/man --infodir=/opt/gcc/share/info
> --enable-shared --enable-threads=posix --enable-checking=release
> --with-system-zlib --enable-multilib --with-tune=native
> --build=x86_64-redhat-linux
>
> It stops at phobos:
>
> Checking multilib configuration for libphobos...
> Configuring in x86_64-redhat-linux/libphobos
> configure: loading cache ./config.cache
> checking build system type... x86_64-redhat-linux-gnu
> checking host system type... x86_64-redhat-linux-gnu
> checking target system type... x86_64-redhat-linux-gnu
> checking for a BSD-compatible install... /usr/bin/install -c
> checking whether build environment is sane... yes
> checking for a thread-safe mkdir -p... /usr/bin/mkdir -p
> checking for gawk... gawk
> checking whether make sets $(MAKE)... yes
> checking whether make supports nested variables... yes
> configure: error: source directory already configured; run "make
> distclean" there first
> make[1]: *** [Makefile:19619: configure-target-libphobos] Error 1
> make[1]: Leaving directory '/disk/one/src/gcc/build'
> make: *** [Makefile:982: all] Error 2
>
> When I do what it tells me to do (make distclean in the phobos
> directory) I am getting:
>
> Making distclean in libdruntime
> make[1]: Entering directory
> '/disk/one/src/gcc/libphobos/libdruntime'
> make[1]: *** No rule to make target 'distclean'.  Stop.
> make[1]: Leaving directory
> '/disk/one/src/gcc/libphobos/libdruntime'
> make: *** [Makefile:468: distclean-recursive] Error 1
>
> When I looked at libdruntime it seems like it was not configured
> properly (Makefile has not been generated):
>
> dejan at turing$ ls
> core  __entrypoint.di  gc  gcc  gcstub  LICENSE  __main.di
> Makefile.am  Makefile.in  object.d  rt
>

Make sure you are building out of tree.  Judging from your configure
command, it looks like you have.  The generated Makefile will not
appear in the source directory, have a look in
./x86_64-redhat-gnu/libphobos.

I'll give your build configuration a try locally to see the result.

-- 
Iain


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