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Octave and separate toolchain

1,899 bytes added, 07:17, 1 November 2016
→‎GraphicsMagick: add fftw section, above
 
== FFTW ==
 
http://www.fftw.org/
 
cd $downloads
wget http://www.fftw.org/fftw-3.3.5.tar.gz
 
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/fftw-3.3.5.tar.gz
cd fftw-3.3.5/
 
=== Single precision ===
./configure --enable-shared --enable-sse2 --enable-avx --enable-openmp --enable-threads --enable-float 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 --prefix=/usr/local/gcc-6.2.0_binutils-2.27_isl
make -j6
make check
 
as root ({{codeline|su}}, not {{codeline|sudo}}, because we want PATH to contain {{Path|/usr/local/gcc-6.2.0_binutils-2.27_isl/bin}})
 
make install
exit
 
=== Double precision ===
./configure --enable-shared --enable-sse2 --enable-avx --enable-openmp --enable-threads 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 --prefix=/usr/local/gcc-6.2.0_binutils-2.27_isl
make -j6
make check
 
as root ({{codeline|su}}, not {{codeline|sudo}}, because we want PATH to contain {{Path|/usr/local/gcc-6.2.0_binutils-2.27_isl/bin}})
 
make install
exit
== GraphicsMagick ==
{{codeline|exit}} root session, then {{codeline|exit}} current bash, to return to a clean state
 
== Octave itself ==
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