nss: fix build on ppc64[le]

NSS configure scripts use the abbreviated form ppc64/ppc64le:
https://github.com/nss-dev/nss/blob/NSS_3_57_RTM/coreconf/config.gypi#L209

Whereas nixpkgs uses the longer form:
`nix eval nixpkgs.pkgsCross.powernv.hostPlatform.parsed.cpu.name`
`powerpc64le`

1 files changed, 3 insertions, 0 deletions

diff --git a/pkgs/development/libraries/nss/default.nix b/pkgs/development/libraries/nss/default.nix
index e9ca475802d..dad0d4cfe1b 100644
--- a/pkgs/development/libraries/nss/default.nix
+++ b/pkgs/development/libraries/nss/default.nix
@@ -68,6 +68,9 @@ in stdenv.mkDerivation rec {
           else if platform.isx86_32 then "ia32"
           else if platform.isAarch32 then "arm"
           else if platform.isAarch64 then "arm64"
+          else if platform.isPower && platform.is64bit then (
+            if platform.isLittleEndian then "ppc64le" else "ppc64"
+          )
           else platform.parsed.cpu.name;
     # yes, this is correct. nixpkgs uses "host" for the platform the binary will run on whereas nss uses "host" for the platform that the build is running on
     target = getArch stdenv.hostPlatform;