bpo-11063, bpo-20519: avoid ctypes and improve import time for uuid (#3796)

bpo-11063, bpo-20519: avoid ctypes and improve import time for uuid.

1 files changed, 14 insertions, 0 deletions

diff --git a/setup.py b/setup.py
index d5c58e0686..0b536c8ca3 100644
--- a/setup.py
+++ b/setup.py
@@ -1668,6 +1668,20 @@ class PyBuildExt(build_ext):
         if '_tkinter' not in [e.name for e in self.extensions]:
             missing.append('_tkinter')
 
+        # Build the _uuid module if possible
+        uuid_incs = find_file("uuid.h", inc_dirs, ["/usr/include/uuid"])
+        if uuid_incs:
+            if self.compiler.find_library_file(lib_dirs, 'uuid'):
+                uuid_libs = ['uuid']
+            else:
+                uuid_libs = []
+        if uuid_incs:
+            self.extensions.append(Extension('_uuid', ['_uuidmodule.c'],
+                                   libraries=uuid_libs,
+                                   include_dirs=uuid_incs))
+        else:
+            missing.append('_uuid')
+
 ##         # Uncomment these lines if you want to play with xxmodule.c
 ##         ext = Extension('xx', ['xxmodule.c'])
 ##         self.extensions.append(ext)