Editing Octave and separate toolchain
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Building of octave together with a separate toolchain (custom built gcc/binutils/...). | Building of octave together with a separate toolchain (custom built gcc/binutils/...). | ||
This is required mainly when the base linux distribution ships too old a version of gcc. | This is required mainly when the base linux distribution ships too old a version of gcc. | ||
Unexperienced users should upgrade their distribution, though | Unexperienced users should upgrade their distribution, though. | ||
The main build directory will be called {{Path|/usr/local/build}}. | The main build directory will be called {{Path|/usr/local/build}}. | ||
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# do not use threads | # do not use threads | ||
# (because I use pararrayfun from the parallel package) | # (because I use pararrayfun from the parallel package) | ||
make USE_THREAD=0 CPPFLAGS="-I/usr/local/gcc-6.2.0_binutils-2.27_isl/include" CFLAGS="-O2 -march=native" CXXFLAGS="-O2 -march=native" FFLAGS="-O2 -march=native | make USE_THREAD=0 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 | ||
One should get | One should get | ||
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sudo ln -s libopenblas_haswell-r0.2.19.so libopenblas.so.0 | sudo ln -s libopenblas_haswell-r0.2.19.so libopenblas.so.0 | ||
sudo ln -s libopenblas.so.0 libopenblas.so | sudo ln -s libopenblas.so.0 libopenblas.so | ||
== arpack-ng == | == arpack-ng == | ||
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cd arpack-ng-3.4.0 | cd arpack-ng-3.4.0 | ||
./bootstrap | ./bootstrap | ||
./configure CPPFLAGS="-I/usr/local/gcc-6.2.0_binutils-2.27_isl/include" CFLAGS="-O2 -march=native" CXXFLAGS="-O2 -march=native" FFLAGS="-O2 -march=native | ./configure 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 --prefix=/usr/local/gcc-6.2.0_binutils-2.27_isl | ||
make -j 6 | make -j 6 | ||
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sudo mkdir /usr/local/gcc-6.2.0_binutils-2.27_isl/include/suitesparse/ | sudo mkdir /usr/local/gcc-6.2.0_binutils-2.27_isl/include/suitesparse/ | ||
sudo cp include/* /usr/local/gcc-6.2.0_binutils-2.27_isl/include/suitesparse/ | sudo cp include/* /usr/local/gcc-6.2.0_binutils-2.27_isl/include/suitesparse/ | ||