Cannot configure rtems-4.5.1-pre3 on Cygwin

[Joel Sherrill]

"Campbell, Richard D (Contractor-OAR)" wrote:
> 
> First time poster needs help,
> 
> - Untarred i386-rtems-binutils-2.10-3.tar.bz2 and
> i386-rtems-gcc-2.95.3-newlib-1.8.2-1.tar.bz2 (/opt/rtems)
> - Untarred rtems-4.5.1-pre3.tar into working directory
> - PATH=/bin:/usr/bin:/usr/local/bin:/opt/rtems/bin
> - /bin/cc is symlinked to /bin/gcc (2.95.3-5 cygwin special)
> - autoconf is version 2.13-4
> - automake is version 1.4p5-5
> 
> cd build-rtems-4.5.1-pre3
> ../rtems-4.5.1-pre3/configure --target=i386-rtems --prefix=/usr/local/cross
> 2>&1 | tee conf.log
> 
> tail of conf.log
> 
> running /bin/sh ../../../../rtems-4.5.1-pre3/c/make/configure
> --target=i386-rtems --prefix=/usr/local/cross
> --with-target-subdir=i386-rtems --cache-file=.././config.cache
> --srcdir=../../../../rtems-4.5.1-pre3/c/make
> loading cache .././config.cache
> checking for RTEMS Version... 4.5.1-pre1
> checking host system type... i386-pc-cygwin32
> checking target system type... i386-pc-rtems
> checking build system type... i386-pc-cygwin32
> checking rtems target cpu... i386
> checking for a BSD compatible install... (cached) /bin/install -c
> checking whether build environment is sane... yes
> checking whether make sets ${MAKE}... (cached) yes
> checking for working aclocal... found
> checking for working autoconf... found
> checking for working automake... found
> checking for working autoheader... found
> checking for working makeinfo... found
> checking whether to enable maintainer-specific portions of Makefiles... no
> checking if cpu i386 is supported... yes
> checking for i386-rtems-gcc... /opt/rtems/bin/i386-rtems-gcc
> checking whether the C compiler (/opt/rtems/bin/i386-rtems-gcc  ) works...
> no
> configure: error: installation or configuration problem: C compiler cannot
> create executables.
> configure: error: ../../../../rtems-4.5.1-pre3/c/make/configure failed for
> make
> configure: error: ../../../rtems-4.5.1-pre3/c/configure failed for c
> 
> tail of build-rtems-4.5.1-pre3/i386-rtems/c/make/config.log
> 
> configure:1261: /opt/rtems/bin/i386-rtems-gcc -o conftest    conftest.c
> 1>&5
> Assembler messages:
> Error: Can't open
>  for reading.
> 
> : No such file or directory
> configure: failed program was:
> 
> #line 1256 "configure"
> #include "confdefs.h"
> 
> main(){return(0);}
> 
> If I create the conftest.c file in a working directory and compile it with
>     /opt/rtems/bin/i386-rtems-gcc -o conftest conftest.c
> I get the same assembler error message
> 
> However
>    /opt/rtems/bin/i386-rtems-gcc -o conftest -S conftest.c
> creates conftest.s
> 
> and
>     /opt/rtems/bin/i386-rtems-as conftest.s
> creates an a.out
> 
> Is the wrong assembler being executed or what?


Try "/opt/rtems/bin/i386-rtems-gcc -V conftest.c" (or is it a -v?) and
see 
what assembler is used.

Also .. what tool versions are you using? Are you using the cygwin
binaries
from the same release or snapshot ones?
> Thanks,
> 
> Richard Campbell
> 

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
Support Available                (256) 722-9985