[lfs-support] Can't complie gcc-4.7.1 Pass 1

Dr. George E. Moore gem at x-ctr-l.com
Wed Jan 16 09:45:43 PST 2013


On Wed, 2013-01-16 at 00:00 -0700,
lfs-support-request at linuxfromscratch.org wrote:

Bruce,

Thanks, this resolved the problem.

> > Bruce,
> >
> > Thanks for getting back with me.
> >
> > I have been able to get the gcc-4.7.1 pass 1 to run to completion;
> > however, I have some concerns as to its validity, given what I had to
> > do. Let me explain:
> >
> > After linking /bin/sh -> /bin/bash; installing bison and gawk;
> > validating that /usr/bin/yacc -> /usr/bin/bison.yacc, and
> > that /usr/bin/awk -> /usr/bin/gawk, I re-configured and ran make again
> > in the gcc-build directory. The compilation stilled failed while
> > building gcc/c-family/c-cppbuiltin.c; with the same error -
> > GNU_USER_TARGET_OS_CPP_BUILTINS() undefined.
> 
> We recommend you remove the source directory, and in this case 
> gcc-build, and start the section fresh.  It appears you started from the 
> failed position and that results in an undetermined state.
> 
> > I rechecked the instructions and the host requirements; however, it
> > appears that the guidelines are being following.
> >
> > I located the macro definition for GNU_USER_TARGET_OS_CPP_BUILTINS() in
> > gcc-4.7.1/gcc/config/gnu.h header and added it to c-cppbuiltins.c.
> >
> > The compilation then error when compiling gcc/gcc.c. with
> > GNU_USER_DYNAMIC_LINKER and GNU_USER_LINKER_EMULATION as undefined.
> >
> > I located these #define in gcc-4.7.1/gcc/config/i386/gnu.h and added
> > this header to gcc.c.
> 
> This should not be necessary. All the instructions needed are in the book.
> 
> > My question is whether this pass 1 build is valid? It seems that my
> > having to add headers to .c file is some what unorthodoxy, and could
> > result in a bad build. I'm a little reluctant to go forward without some
> > feedback. I would have assumed that these defines would have been
> > included in some "common" directory path search or not needed for
> > compiling gcc-4.7.1 pass 1.
> 
> See above.
> 
>    -- Bruce

-- 
gmoore




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