Support targets mips64(el)-unknown-linux-muslabi64 (#96)

Author: messense

src/lib.rs

@@ -247,7 +247,9 @@ impl Build {
             "mips-unknown-linux-gnu" => "linux-mips32",
             "mips-unknown-linux-musl" => "linux-mips32",
             "mips64-unknown-linux-gnuabi64" => "linux64-mips64",
+            "mips64-unknown-linux-muslabi64" => "linux64-mips64",
             "mips64el-unknown-linux-gnuabi64" => "linux64-mips64",
+            "mips64el-unknown-linux-muslabi64" => "linux64-mips64",
             "mipsel-unknown-linux-gnu" => "linux-mips32",
             "mipsel-unknown-linux-musl" => "linux-mips32",
             "powerpc-unknown-freebsd" => "BSD-generic32",