lib/systems: musl, libc predicates

Note this doesn't actually provide musl support yet, just improves our "system" code to understand musl-based triples and non-glibc linux configurations.
2018-02-11 14:20:14 -06:00
parent 69779a5f7e
commit 2dfee94fe7
4 changed files with 20 additions and 7 deletions
@@ -26,7 +26,9 @@ rec {
      libc =
        /**/ if final.isDarwin then "libSystem"
        else if final.isMinGW  then "msvcrt"
-        else if final.isLinux  then "glibc"
+        else if final.isLinux && final.isGlibc then "glibc"
+        else if final.isLinux && final.isMusl  then "musl"
+        else if final.isLinux /* default */    then "glibc"
        # TODO(@Ericson2314) think more about other operating systems
        else                        "native/impure";
      extensions = {