Bug 1478008 - Make gmp-clearkey use the same warnings under clang-cl as with clang. r=froydnj

Author: David Major

media/gmp-clearkey/0.1/moz.build

@@ -58,16 +58,23 @@ DEFINES['MOZ_NO_MOZALLOC'] = True
 USE_LIBS += ['psshparser']
 
 # Suppress warnings in third-party code.
-if CONFIG['CC_TYPE'] in ('clang', 'gcc'):
+if CONFIG['CC_TYPE'] in ('clang', 'clang-cl', 'gcc'):
     CFLAGS += [
         '-Wno-missing-braces',
         '-Wno-pointer-to-int-cast',
         '-Wno-sign-compare',
+    ]
+elif CONFIG['CC_TYPE'] == 'msvc':
+    CFLAGS += [
+        '-wd4090',                  # '=' : different 'const' qualifiers
+    ]
+
+if CONFIG['CC_TYPE'] in ('clang', 'gcc'):
+    CFLAGS += [
         '-include', 'stdio.h',      # for sprintf() prototype
         '-include', 'unistd.h',     # for getpid() prototype
     ]
 elif CONFIG['CC_TYPE'] in ('msvc', 'clang-cl'):
     CFLAGS += [
         '-FI', 'stdio.h',           # for sprintf() prototype
-        '-wd4090',                  # '=' : different 'const' qualifiers
     ]