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tenomoto/install_owl_freebsd.md

Last active August 22, 2019 02:48
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Install OCaml and Owl on FreeBSD
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install_owl_freebsd.md

This gist describes steps to install the latest version of OCaml and Owl on FreeBSD. Tested with FreeBSD 12.0-RELEASE-p9 on Hyper-V/Windows 10 Pro 1903.

Install opam

Install opam as described How to install opan. EDIT the first line may not work. Install opam with pkg.

sh <(curl -sL https://raw.githubusercontent.com/ocaml/opam/master/shell/install.sh)
opam init
eval $(opam env)
opam switch create 4.08.1
eval $(opam env)

Install dependencies

  • Install matrix libraries.
  • pkgconf (replaced from pkg-config in pkg) is needed to provide header and library paths during the build of Owl.
  • Install gcc9.
sudo pkg install cblas lapacke openblas pkgconf gcc9

Some tricks

  • Set CFLAGS to avoid a failure during configuration.
  • Create symbolic links of gcc and g++.
  • Copy openblas.pc where pkg-config (a symbolic link to pkgconf) can find (PKG_CONFIG_PATH).
  • Finally install Owl.
export CFLAGS="-I/usr/local/include -L/usr/local/lib -O2"
mkdir ~/bin
cd ~/bin
ln -s /usr/local/bin/gcc9 gcc
ln -s /usr/local/bin/g++9 g++
cp openblas.pc /usr/local/libdata/pkgconfig/
opam install owl
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openblas.pc
Name: openblas
Description: OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version
Version: 0.2.20
URL: https://github.com/xianyi/OpenBLAS
Libs: -L/usr/local/lib -lopenblas
Libs.private:
Cflags: -I/usr/local/include
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