"Import" LDFLAGS in Mac/OSX/Makefile.in to ensure pythonw gets build with
the right compiler flags.
diff --git a/Mac/OSX/Makefile.in b/Mac/OSX/Makefile.in
index a44191d..ecb4399 100644
--- a/Mac/OSX/Makefile.in
+++ b/Mac/OSX/Makefile.in
@@ -9,6 +9,7 @@
 LIBDEST=$(prefix)/lib/python$(VERSION)
 BUILDPYTHON=$(builddir)/python.exe
 DESTDIR=
+LDFLAGS=        @LDFLAGS@
 
 # These are normally glimpsed from the previous set
 bindir=@exec_prefix@/bin