pkgsrc-ng/lang/python27/patches/patch-Modules_getpath.c

$NetBSD: patch-Modules_getpath.c,v 1.3 2015/04/24 03:01:36 rodent Exp $

* from cygport 2.7.3-getpath-exe-extension.patch

--- Modules/getpath.c.orig	2014-12-10 15:59:55.000000000 +0000
+++ Modules/getpath.c
@@ -451,6 +451,28 @@ calculate_path(void)
                         if (isxfile(progpath))
                                 break;
 
+#ifdef __CYGWIN__
+                        /*
+                         * Cygwin automatically removes the ".exe" extension from argv[0]
+                         * to make programs feel like they are in a more Unix-like
+                         * environment.  Unfortunately, this can make it problemmatic for
+                         * Cygwin to distinguish between a directory and an executable with
+                         * the same name excluding the ".exe" extension.  For example, the
+                         * Cygwin Python build directory has a "Python" directory and a
+                         * "python.exe" executable.  This causes isxfile() to erroneously
+                         * return false.  If isdir() returns true and there is enough space
+                         * to append the ".exe" extension, then we try again with the
+                         * extension appended.
+                         */
+#define EXE ".exe"
+                        if (isdir(progpath) && strlen(progpath) + strlen(EXE) <= MAXPATHLEN)
+                        {
+                            strcat(progpath, EXE);
+                            if (isxfile(progpath))
+                                break;
+                        }
+#endif /* __CYGWIN__ */
+
                         if (!delim) {
                                 progpath[0] = '\0';
                                 break;