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Compiling on OpenBSD

801 bytes added, 19:51, 11 August 2013
pkg_add autoconf automake bison gperf libtool
 
== Workarounds for Building from Mercurial ==
 
If building from a mercurial clone, the source tree must first be bootstrapped. This relies on the additional GNU tools listed above. This step also requires the gnulib library to exist as a subdirectory of the Octave tree, or by passing <tt>--gnulib-srcdir</tt> to the bootstrap script. Some portability issues with gnulib on OpenBSD are currently being worked on, but once that is all worked out the version of gnulib mirrored in Octave's mercurial repository should work.
 
./bootstrap
 
There is also a problem with the OpenBSD libtool package that fails to build Octave without some tweaks. After successfully running bootstrap, the <tt>build-aux/ltmain.sh</tt> shell script must be replaced with one from another system, for example from the Debian GNU/Linux libtool package.
 
And lastly, the versions of bison and flex available on OpenBSD are too old to work with features used by Octave. Newer versions will have to be installed, or the files produced by those tools need to be copied from another system. The files produced by bison and flex are normally distributed with the source archive, so this is only a problem with attempting to build from the Mercurial repository.
== Configuring and Compiling Octave ==
--with-qhull=-lqhull6 \
--disable-docs
 
If building from a mercurial clone, the source tree must be bootstrapped before running configure. This requires the gnulib library to exist as a subdirectory of the Octave tree, or by passing <tt>--gnulib-srcdir</tt> to the bootstrap script. Some portability issues with gnulib on OpenBSD are currently being worked on, but once that is all worked out the version of gnulib mirrored in Octave's mercurial repository should work.
Before compiling, the process limit for data segment size needs to be increased to enable the compiler to handle certain files in Octave's code base. This is done with the ulimit command before starting the build. So, once configured as above, run
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