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Octave and separate toolchain

1,135 bytes added, 06:37, 1 November 2016
octave itself
{{codeline|exit}} root session, then {{codeline|exit}} current bash, to return to a clean state
 
== Octave itself ==
 
cd $downloads
wget ftp://alpha.gnu.org/gnu/octave/octave-4.2.0-rc3.tar.lz
 
Start from a clean state
 
exit
bash
export PATH=/usr/local/gcc-6.2.0_binutils-2.27_isl/bin:$PATH
which gfortran
# should be /usr/local/gcc-6.2.0_binutils-2.27_isl/bin/gfortran
 
cd $buildroot
tar --no-same-owner -xvf $downloads/octave-4.2.0-rc3.tar.lz
cd octave-4.2.0-rc3
 
mkdir build_; cd $_
../configure --with-blas="/usr/local/gcc-6.2.0_binutils-2.27_isl/lib64/libopenblas.so" CPPFLAGS="-I/usr/local/gcc-6.2.0_binutils-2.27_isl/include" CFLAGS="-O2 -march=native -L/usr/local/gcc-6.2.0_binutils-2.27_isl/lib64" CXXFLAGS="-O2 -march=native -L/usr/local/gcc-6.2.0_binutils-2.27_isl/lib64" FFLAGS="-O2 -march=native -L/usr/local/gcc-6.2.0_binutils-2.27_isl/lib64" LDFLAGS=-Wl,-rpath,/usr/local/gcc-6.2.0_binutils-2.27_isl/lib64 PKG_CONFIG_PATH=/usr/local/gcc-6.2.0_binutils-2.27_isl/lib64/pkgconfig JAVA_HOME=/usr/lib64/jvm/java-1.8.0-openjdk-1.8.0/ --prefix=/usr/local/gcc-6.2.0_binutils-2.27_isl
make -j 6
 
make check
# or, for nvidia users,
xvfb-run -s "-screen 0 640x480x24" make check LD_PRELOAD=/usr/lib64/libGL.so
To be continued...
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