fftw: Re-enable OpenMP with non-GCC and musl.

Clang now supports OpenMP, and musl has no problem with it either.

Related to #7023 and #34645.

See also #79818.
This commit is contained in:
Niklas Hambüchen 2020-02-11 11:53:54 +01:00
parent 19ff097181
commit a72367ae31

View File

@ -1,7 +1,8 @@
{ fetchurl, stdenv, lib, precision ? "double", perl }:
{ fetchurl, stdenv, lib, llvmPackages ? null, precision ? "double", perl }:
with lib;
assert stdenv.cc.isClang -> llvmPackages != null;
assert elem precision [ "single" "double" "long-double" "quad-precision" ];
let
@ -24,6 +25,11 @@ stdenv.mkDerivation {
++ optional withDoc "info"; # it's dev-doc only
outputBin = "dev"; # fftw-wisdom
buildInputs = lib.optionals stdenv.cc.isClang [
# TODO: This may mismatch the LLVM version sin the stdenv, see #79818.
llvmPackages.openmp
];
configureFlags =
[ "--enable-shared"
"--enable-threads"
@ -32,7 +38,7 @@ stdenv.mkDerivation {
# all x86_64 have sse2
# however, not all float sizes fit
++ optional (stdenv.isx86_64 && (precision == "single" || precision == "double") ) "--enable-sse2"
++ optional (stdenv.cc.isGNU && !stdenv.hostPlatform.isMusl) "--enable-openmp"
++ [ "--enable-openmp" ]
# doc generation causes Fortran wrapper generation which hard-codes gcc
++ optional (!withDoc) "--disable-doc";