1 files changed, 3 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 76005a1459..d461880614 100644
--- a/setup.py
+++ b/setup.py
@@ -339,7 +339,9 @@ class PyBuildExt(build_ext):
         if have_unicode:
             exts.append( Extension('unicodedata', ['unicodedata.c']) )
         # access to ISO C locale support
-        if platform in ['cygwin', 'aix4']:
+        data = open('pyconfig.h').read()
+        m = re.search(r"#s*define\s+WITH_LIBINTL\s+1\s*", data)
+        if m is not None:
             locale_libs = ['intl']
         else:
             locale_libs = []