From: Fred Drake <fdrake@acm.org>
Date: Tue, 21 Oct 2003 15:41:15 +0000 (+0000)
Subject: Provide a bit more information to the compiler when building Expat.
X-Git-Tag: v2.4a1~1404
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2d59a4921234333b55e4f7b7f54d5649771d7c09;p=python

Provide a bit more information to the compiler when building Expat.
This avoids having to modify the Expat sources in any way starting
with Expat 1.95.7.
---

diff --git a/setup.py b/setup.py
index 528681c7d3..40dbf4b306 100644
--- a/setup.py
+++ b/setup.py
@@ -737,21 +737,26 @@ class PyBuildExt(build_ext):
         else:
             xmlbo = "4321"
         expatinc = os.path.join(os.getcwd(), srcdir, 'Modules', 'expat')
-        exts.append(Extension('pyexpat',
-                              sources = [
-            'pyexpat.c',
-            'expat/xmlparse.c',
-            'expat/xmlrole.c',
-            'expat/xmltok.c',
-            ],
-                              define_macros = [
+        define_macros = [
             ('XML_NS', '1'),
             ('XML_DTD', '1'),
             ('BYTEORDER', xmlbo),
             ('XML_CONTEXT_BYTES','1024'),
-            ],
-                              include_dirs = [expatinc]
-                               ))
+            ]
+        config_h = sysconfig.get_config_h_filename()
+        config_h_vars = sysconfig.parse_config_h(open(config_h))
+        for feature_macro in ['HAVE_MEMMOVE', 'HAVE_BCOPY']:
+            if config_h_vars.has_key(feature_macro):
+                define_macros.append((feature_macro, '1'))
+        exts.append(Extension('pyexpat',
+                              define_macros = define_macros,
+                              include_dirs = [expatinc],
+                              sources = ['pyexpat.c',
+                                         'expat/xmlparse.c',
+                                         'expat/xmlrole.c',
+                                         'expat/xmltok.c',
+                                         ],
+                              ))
 
         # Dynamic loading module
         if sys.maxint == 0x7fffffff: