Julia does not compile if sci-libs/fftw without threads use flag is installed.
the error is: error during bootstrap: LoadError(at "sysimg.jl" line 259: LoadError(at "dft.jl" line 414: LoadError(at "fft/FFTW.jl" line 23: ErrorException("error compiling anonymous: could not load library "libfftw3_threads" libfftw3_threads: cannot open shared object file: No such file or directory")))) rec_backtrace at /ebuild/working/portage/dev-lang/julia-0.4.3/work/julia-0.4.3/usr/bin/../lib/libjulia.so (unknown line) jl_throw at /ebuild/working/portage/dev-lang/julia-0.4.3/work/julia-0.4.3/usr/bin/../lib/libjulia.so (unknown line) libfftw3_threads is missing
Confirming. I've got a patch ready for it.
Created attachment 430188 [details, diff] patch
Patrick's marked as away in devaway with a message saying feel free to commit, so I did ;) Fixed by https://github.com/gentoo/gentoo/commit/c4b726e8b8726e48d7646774970b548e1964858a