[Octave-bug-tracker] [bug #54235] problems building Octave on Solaris

[John W. Eaton]

Follow-up Comment #156, bug #54235 (project octave):

I was able to build GCC on Michele's system.  After several false starts and
and hitting some of the same errors, I was able to build GCC 7.3.0 with the
following steps.  I think the biggest changes are to use the
contrib/download_prerequisites script to get the gmp, mpc, and mfpr sources
and to force GCC to use the system ld and as programs.

Note that there are no CC, CFLAGS, CXX, CXXFLAGS, LD, NM, AR, etc. variables
in my environment.

This procedure will do a full GCC 3-stage build, so will take a about 3 hours,
even with the -j4 parallel make option.

With this compiler, I'm confident that you can build most everything else.

I used some links to tools in a separate bin directory becuase the 'g' prefix
for GNU tools that is used in /opt/csw/bin seems inconvenient.  I think it's
better to just install the tools without the prefix and set your PATH
appropriately if you want to use the GNU tools.


# prerequisites (assumes you are using bash):

  PATH=$HOME/local/bin:$PATH

  mkdir $HOME/local
  cd $HOME/local
  mkdir bin build src build/gcc-7.3.0

  cd $HOME/local/bin
  for f in ar make nm ranlib tar sha512sum ; do ln -s /opt/csw/bin/g$f $f ;
done


# download and unpack sources:

  cd $HOME/local/src
  wget http://ftp.gnu.org/gnu/gcc/gcc-7.3.0/gcc-7.3.0.tar.xz
  tar axf gcc-7.3.0.tar.xz
  cd $HOME/local/src/gcc-7.3.0
  /bin/bash contrib/download_prerequisites


# configure, make, and install:

  cd $HOME/local/build/gcc-7.3.0
  ../../src/gcc-7.3.0/configure --with-ld=/usr/ccs/bin/ld --without-gnu-ld
--with-as=/usr/ccs/bin/as --without-gnu-as --enable-languages="c,c++,fortran"
--prefix="$HOME/local"
  make -j4
  make install



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