Re: Newlib branch with latest autotools support

[Joel Sherrill <joel dot sherrill at oarcorp dot com>]

Shaun Jackman wrote:

> On 4/3/06, Shaun Jackman <sjackman@gmail.com> wrote:
>  
>
> > On 4/3/06, Jeff Johnston <jjohnstn@redhat.com> wrote:
> >    
> >
> > > There appears to be something wonky going on with your setup.  I found
> > > an old arm-elf tools build on my system and tried it out with your exact
> > > configuration line.  It built fine.  Do you happen to have an arm-elf
> > > build handy without any local changes?
> > >
> > > I'd like to check in the changes along with Ralf's patch.  If we can
> > > pinpoint the problems you are experiencing as gcc or local change
> > > problems, there would be no reason for delaying this.
> > >      
> > I did a rm -rf /usr/local and rebuilt binutils from CVS (2006-04-03).
> > I then started to rebuild gcc 4.1.0 from scratch, but configuring
> > libssp fails due to the lack of a working C compiler (haven't built
> > one yet).
> >    
>
> It occurred to me that I don't need libssp, and gcc built just fine. I
> installed gcc ignoring the libssp error. I then built
> newlib-autotools-branch. It fails due to the same config.cache error.
>
> $ make 2>&1 |grep value: |cat -e
> configure:   former value:  -O2 -g -O2  $
> configure:   current value: -O2 -g -O2 $
>
> binutils CVS 2004-03-03
> gcc 4.1.0
> newlib-autotools-branch CVS 2004-03-03
>
>  
Do you mean 2006 instead of 2004?

FWIW I used binutils 2.16.1 with few patches.

> Cheers,
> Shaun
>
> configure: configuring in libc
> configure: running /bin/sh '../../../../newlib/libc/configure'
> --prefix=/usr/local  '--cache-file=./config.cache'
> '--build=i686-pc-linux-gnu' '--host=arm-elf' '--target=arm-elf'
> '--with-newlib' '--enable-multilib'
> '--with-cross-host=i686-pc-linux-gnu' '--with-cpu=arm7tdmi'
> '--disable-newlib-supplied-syscalls' '--disable-newlib-io-float'
> '--program-transform-name=s,^,arm-elf-,; '
> '--with-target-subdir=arm-elf' '--srcdir=../../../newlib'
> 'CC=arm-elf-gcc
> -B/home/sjackman/src/toolchain/orig/newlib-cvs/_build/arm-elf/newlib/
> -isystem /home/sjackman/src/toolchain/orig/newlib-cvs/_build/arm-elf/newlib/targ-include
> -isystem /home/sjackman/src/toolchain/orig/newlib-cvs/newlib/libc/include'
> 'CFLAGS=-O2 -g -O2 ' 'CPPFLAGS=' 'LDFLAGS='
> 'build_alias=i686-pc-linux-gnu' 'host_alias=arm-elf'
> 'target_alias=arm-elf' --cache-file=.././config.cache
> --srcdir=../../../../newlib/libc
> configure: loading cache .././config.cache
> configure: error: `CFLAGS' has changed since the previous run:
> configure:   former value:  -O2 -g -O2
> configure:   current value: -O2 -g -O2
> configure: error: changes in the environment can compromise the build
> configure: error: run `make distclean' and/or `rm .././config.cache'
> and start over
> configure: error: /bin/sh '../../../../newlib/libc/configure' failed for libc
> make[1]: *** [configure-target-newlib] Error 1
> make[1]: Leaving directory `/home/sjackman/src/toolchain/orig/newlib-cvs/_build'
> make: *** [all] Error 2
>