shims/linux/super/cc: Revert unnecessary changes

Library/Homebrew/shims/linux/super/cc

@@ -152,8 +152,6 @@ class Cmd
       /^-O[0-9zs]?$/, "-fast", "-no-cpp-precomp",
       "-pedantic", "-pedantic-errors", "-Wno-long-double",
       "-Wno-unused-but-set-variable"
-    when "-liconv", "-lintl"
-      # Not needed on Linux.
     when "-fopenmp", "-lgomp", "-mno-fused-madd", "-fforce-addr", "-fno-defer-pop",
       "-mno-dynamic-no-pic", "-fearly-inlining", /^-f(?:no-)?inline-functions-called-once/,
       /^-finline-limit/, /^-f(?:no-)?check-new/, "-fno-delete-null-pointer-checks",
@@ -175,6 +173,8 @@ class Cmd
       args << arg
     when /^-W.*/
       # prune warnings
+    when "-macosx_version_min", "-dylib_install_name"
+      args << "-Wl,#{arg},#{enum.next}"
     when "-multiply_definedsuppress"
       args << "-Wl,-multiply_defined,suppress"
     when "-undefineddynamic_lookup"
@@ -341,7 +341,7 @@ if __FILE__ == $PROGRAM_NAME
 
   if (cc = ENV["HOMEBREW_CC"]).nil? || cc.empty? || cc == "cc"
     # those values are not allowed
-    ENV["HOMEBREW_CC"] = "gcc"
+    ENV["HOMEBREW_CC"] = "clang"
   end
 
   ####################################################################### main