gcc build fails "cannot compute suffix of object files"

Tue Dec 30 16:29:12 UTC 2008

This should have stayed on the list.

It still looks to me that you are using the tools from the build tree
and not the install point.

--joel

chenyulongrtems wrote:
> Hi Joel!
> First thank you for your back.
> I just follows the steps in the documents in www.rtems.com
> <http://www.rtems.com> carefully. And I typed this : export
> PATH=/opt/rtems/bin:$PATH after maked binutils and installed .
> /opt/rtems is the prefix dir when configure binutils .
> arm-rtems-ranlib is in /opt/rtems/bin . But I don't know why it finds
> /opt/rtems/arm-rtems/bin/ranlib when checking for arm-rtems-ranlib.
>
>
> 在2008-12-12，"Joel Sherrill" <joel.sherrill at oarcorp.com> 写道：
> >Hi,
> >
> >First if you updated to RHEL5, you could just use the prebuilt RPMs.
> >
> >
> >Second, dou are using binutils from the wrong place.
> >After it is installed, you should have /opt/rtems/bin in your PATH
> >based upon what I see in the log. The directory configure
> >found ranlib is in NOT for public use.
> >
> >checking for arm-rtems4.10-ranlib...
> >/opt/rtems/rtems-4.10//arm-rtems4.10/bin/ranlib
> >
> >Since these tools don't have the target in front of the tool
> >base name, gcc is probably confusing native and cross in horrible
> >ways.
> >
> >chenyulongrtems wrote:
> >> Hi all !
> >> I'm building arm toolchain for rtems-4.10, when building gcc-4.3.2 I
> >> meet a problem .
> >> My pc is RHEL4 , and my sources is :
> >> binutils-2.19-rtems4.10-20081023.diff
> >> binutils-2.19.tar.bz2
> >> gcc-core-4.3.2-rtems4.10-20081119.diff
> >> gcc-core-4.3.2.tar.bz2
> >> newlib-1.16.0.cvs.20081127-rtems4.10-20081127.diff
> >> newlib-1.16.0.cvs.20081127.tar.gz
> >> when make gcc it fails as:
> >> make[1]: Entering directory `/opt/rtems/tools/b-gcc'
> >> make[2]: Entering directory `/opt/rtems/tools/b-gcc/libiberty'
> >> make[3]: Entering directory `/opt/rtems/tools/b-gcc/libiberty/testsuite'
> >> make[3]: Nothing to be done for `all'.
> >> make[3]: Leaving directory `/opt/rtems/tools/b-gcc/libiberty/testsuite'
> >> make[2]: Leaving directory `/opt/rtems/tools/b-gcc/libiberty'
> >> make[2]: Entering directory `/opt/rtems/tools/b-gcc/fixincludes'
> >> make[2]: Nothing to be done for `all'.
> >> make[2]: Leaving directory `/opt/rtems/tools/b-gcc/fixincludes'
> >> make[2]: Entering directory `/opt/rtems/tools/b-gcc/intl'
> >> make[2]: Nothing to be done for `all'.
> >> make[2]: Leaving directory `/opt/rtems/tools/b-gcc/intl'
> >> make[2]: Entering directory
> >> `/opt/rtems/tools/b-gcc/build-i686-pc-linux-gnu/libiberty'
> >> make[3]: Entering directory
> >> `/opt/rtems/tools/b-gcc/build-i686-pc-linux-gnu/libiberty/testsuite'
> >> make[3]: Nothing to be done for `all'.
> >> make[3]: Leaving directory
> >> `/opt/rtems/tools/b-gcc/build-i686-pc-linux-gnu/libiberty/testsuite'
> >> make[2]: Leaving directory
> >> `/opt/rtems/tools/b-gcc/build-i686-pc-linux-gnu/libiberty'
> >> make[2]: Entering directory
> >> `/opt/rtems/tools/b-gcc/build-i686-pc-linux-gnu/fixincludes'
> >> make[2]: Nothing to be done for `all'.
> >> make[2]: Leaving directory
> >> `/opt/rtems/tools/b-gcc/build-i686-pc-linux-gnu/fixincludes'
> >> make[2]: Entering directory `/opt/rtems/tools/b-gcc/libcpp'
> >> make[2]: Nothing to be done for `all'.
> >> make[2]: Leaving directory `/opt/rtems/tools/b-gcc/libcpp'
> >> make[2]: Entering directory `/opt/rtems/tools/b-gcc/libdecnumber'
> >> make[2]: Nothing to be done for `all'.
> >> make[2]: Leaving directory `/opt/rtems/tools/b-gcc/libdecnumber'
> >> make[2]: Entering directory `/opt/rtems/tools/b-gcc/gcc'
> >> make[2]: Leaving directory `/opt/rtems/tools/b-gcc/gcc'
> >> Checking multilib configuration for libgcc...
> >> Configuring in arm-rtems4.10/libgcc
> >> configure: loading cache ./config.cache
> >> checking for --enable-version-specific-runtime-libs... no
> >> checking for a BSD-compatible install... /usr/bin/install -c
> >> checking for gawk... gawk
> >> checking build system type... i686-pc-linux-gnu
> >> checking host system type... arm-unknown-rtems4.10
> >> checking for arm-rtems4.10-ar...
> >> /opt/rtems/rtems-4.10//arm-rtems4.10/bin/ar
> >> checking for arm-rtems4.10-lipo... arm-rtems4.10-lipo
> >> checking for arm-rtems4.10-nm... /opt/rtems/tools/b-gcc/./gcc/nm
> >> checking for arm-rtems4.10-ranlib...
> >> /opt/rtems/rtems-4.10//arm-rtems4.10/bin/ranlib
> >> checking for arm-rtems4.10-strip..
> >> /opt/rtems/rtems-4.10//arm-rtems4.10/bin/strip
> >> checking whether ln -s works... yes
> >> checking for arm-rtems4.10-gcc... /opt/rtems/tools/b-gcc/./gcc/xgcc
> >> -B/opt/rtems/tools/b-gcc/./gcc/ -nostdinc
> >> -B/opt/rtems/tools/b-gcc/arm-rtems4.10/newlib/ -isystem
> >> /opt/rtems/tools/b-gcc/arm-rtems4.10/newlib/targ-include -isystem
> >> /opt/rtems/tools/gcc-4.3.2/newlib/libc/include
> >> -B/opt/rtems/rtems-4.10//arm-rtems4.10/bin/
> >> -B/opt/rtems/rtems-4.10//arm-rtems4.10/lib/ -isystem
> >> /opt/rtems/rtems-4.10//arm-rtems4.10/include -isystem
> >> /opt/rtems/rtems-4.10//arm-rtems4.10/sys-include
> >> checking for suffix of object files... configure: error: cannot
> >> compute suffix of object files: cannot compile
> >> See `config.log' for more details.
> >> make[1]: *** [configure-target-libgcc] Error 1
> >> make[1]: Leaving directory `/opt/rtems/tools/b-gcc'
> >> make: *** [all] Error 2
> >> In config.log, I then see:
> >>
> >> configure:4083: g++ -c -g -O2 conftest.cc >&5
> >> conftest.cc: In function `int main()':
> >> conftest.cc:13: error: `exit' undeclared (first use this function)
> >> conftest.cc:13: error: (Each undeclared identifier is reported only
> >> once for each function it appears in.)
> >> configure:4089: $? = 1
> >> configure: failed program was:
> >> | /* confdefs.h. */
> >> |
> >> | #define PACKAGE_NAME ""
> >> | #define PACKAGE_TARNAME ""
> >> | #define PACKAGE_VERSION ""
> >> | #define PACKAGE_STRING ""
> >> | #define PACKAGE_BUGREPORT ""
> >> | /* end confdefs.h. */
> >> |
> >> | int
> >> | main ()
> >> | {
> >> | exit (42);
> >> | ;
> >> | return 0;
> >> | }
> >> Any ideas about what I need to fix?
> >>
> >> Thanks,
> >>
> >>
> >> ------------------------------------------------------------------------
> >> 网易免费邮，全球最大的中文免费邮箱 <http://www.yeah.net> 
> >
> >
> >-- 
> >Joel Sherrill, Ph.D.             Director of Research & Development
> >joel.sherrill at OARcorp.com        On-Line Applications Research
> >Ask me about RTEMS: a free RTOS  Huntsville AL 35805
> >   Support Available             (256) 722-9985
> >
> >
>   
>
>
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-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
   Support Available             (256) 722-9985