cstich

{ stdenv, fetchurl, fetchzip, fetchFromGitHub
# build tools
, gfortran, m4, makeWrapper, patchelf, perl, which, python2
, cmake
# libjulia dependencies
, libunwind, readline, utf8proc, zlib
# standard library dependencies
, curl, fftwSinglePrec, fftw, gmp, libgit2, mpfr, openlibm, openspecfun, pcre2
# linear algebra
, blas, lapack, arpack 

cstich

# Only install packages when you can't find them
try.install.load = function(pack.name, libpath=.libPaths()[1]) {
  t = try(library(pack.name, lib.loc = libpath, character.only = TRUE))
  if("try-error" %in% class(t)) {
    install.packages(pack.name, lib = libpath)
    library(pack.name, lib.loc = libpath, character.only = TRUE)
  }
}