Re: [Gm2] gm2 make errors?

[Gaius Mulley]

Charles Bradshaw <address@hidden> writes:

> I'm trying to compile gm2. I compiling under Fedora 17 using gcc version
> 4.7.2 20120921 (Red Hat 4.7.2-2) (GCC)
>
> I followed the yellow brick road:
>
> http://floppsie.comp.glam.ac.uk/download/c/gcc-4.7.3
> +gm2-git-latest.tar.gz
> tar zvxf gcc-4.7.3+gm2-git-latest.tar.gz
> cd gcc-4.7.3+gm2-git-latest/gm2
> sh ./combine-trees
> cd gcc-versionno
> mkdir objdir
> cd objdir
> mkdir /home/brad/gcc
> ../configure --prefix=/home/brad/gcc
>
> Until this error from make:
>
> $ make
> ....
> ../../gcc/gcc.c: In function ‘int main(int, char**)’:
> ../../gcc/gcc.c:6366:33: error: ‘lang_register_spec_functions’ was not
> declared in this scope
>
> I tried adding the following to gcc.c
> extern void lang_register_spec_functions (void);
>
> But now I see the following:
>
> gcc.o: In function `main':
> gcc.c:(.text.startup+0x4f9): undefined reference to
> `lang_register_spec_functions()'
> collect2: error: ld returned 1 exit status
>
> This looks like something to do with Gaius Mulleys patches for gm2 but
> my C is inadequate.
>
> How can I fix the problem?
>
> TIA Charles Bradshaw

Hi Charles,

please can you post the complete build log.  Are you building using
more options to configure ie something along these lines?

regards,
Gaius

ps.  please read through the script especially the "rm -rf" line !


#!/bin/bash

export PATH=/usr/bin:$PATH

LANGUAGES=c,c++,gm2
cd $HOME/GM2

GCC=$1

if [ "${GCC}" == "" ] ; then
    echo "You must specify which gcc release you want to download, currently 
supported are:  4.1.2 and 4.7.3"
    exit 1
fi

if [ ! -d $HOME/GM2 ] ; then
    echo "no $HOME/GM2 found"
    exit 1
fi

echo path set to ${PATH}
echo "press enter to continue if the path is correct"
read ans

rm -rf scratch-area
mkdir scratch-area
cd scratch-area

if ! wget 
http://floppsie.comp.glam.ac.uk/download/c/gcc-${GCC}+gm2-git-latest.tar.gz ; 
then
    echo "unable to download gm2 grafted onto gcc-${GCC}"
    exit 2
fi

tar zxf gcc-${GCC}+gm2-git-latest.tar.gz
find gcc-${GCC}+gm2-git-latest -exec touch {} \;   # fix any future file date 
stamps

rm -rf build-${GCC}
mkdir build-${GCC}
cd build-${GCC}

if [ "$GCC" == "4.7.3" ] ; then
    ../gcc-${GCC}+gm2-git-latest/gm2/gcc-versionno/configure --prefix=$HOME/opt 
\
    --enable-languages=${LANGUAGES} \
    --libexecdir=$HOME/opt/lib --enable-shared \
    --enable-threads=posix --enable-__cxa_atexit \
    --enable-clocale=gnu \
    --disable-multilib --disable-bootstrap \
    --enable-checking --enable-libgm2
fi
if [ "$GCC" == "4.1.2" ] ; then
     CFLAGS=-B/usr/lib/x86_64-linux-gnu
     export CFLAGS
     LIBRARY_PATH=/usr/lib/x86_64-linux-gnu
     export LIBRARY_PATH
     ../gcc-${GCC}+gm2-git-latest/gm2/gcc-versionno/configure 
--enable-languages=c,c++,gm2 \
     --disable-multilib --enable-checking=all --prefix=$HOME/opt
fi

time ( ( make "SHELL=/bin/bash" && cd gcc && make check-gm2 ) >& build-log < 
/dev/null ) &
sleep 3
tail -f build-log