openmpi: re-enable fortran on aarch64-darwin

by disabling stackprotector hardening

pkgs/development/libraries/openmpi/default.nix

@@ -15,7 +15,7 @@
 , fabricSupport ? stdenv.isLinux && stdenv.isx86_64
 
 # Enable Fortran support
-, fortranSupport ? !(stdenv.isDarwin && stdenv.isAarch64)
+, fortranSupport ? true
 }:
 
 assert !cudaSupport || cudatoolkit != null;
@@ -73,6 +73,16 @@ in stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
+  # disable stackprotector on aarch64-darwin for now
+  # https://github.com/NixOS/nixpkgs/issues/127608
+  #
+  # build error:
+  #
+  # /private/tmp/nix-build-openmpi-4.1.1.drv-0/ccg7QqR8.s:13:15: error: index must be an integer in range [-256, 255].
+  #         ldr     x2, [x2, ___stack_chk_guard];momd
+  #
+  hardeningDisable = lib.optionals (stdenv.isAarch64 && stdenv.isDarwin) [ "stackprotector" ];
+
   postInstall = ''
     rm -f $out/lib/*.la
    '';