libcompat: Disable gettext support in getopt module

We do not carry translations for this module, and it makes it pull
libintl for programs that might not use it otherwise.

debian/changelog

@@ -59,6 +59,9 @@ dpkg (1.18.11) UNRELEASED; urgency=medium
     - Add <sys/sysmacros.h> on AIX for major() and minor().
     - Add missing <errno.h> in libcompat.
     - Include libcompat getopt module when we need getopt_long.
+    - Disable gettext support in libcompat getopt module. We do not carry
+      translations for this module, and it makes it pull libintl for programs
+      that might not use it otherwise.
   * Perl modules:
     - Obsolete Source-Version substvar in Dpkg::Substvars by emitting errors.
     - Rework keyring hooks in Dpkg::Vendor. Deprecate the keyrings hook, and

lib/compat/getopt.c

@@ -87,15 +87,10 @@ USA.  */
 #define getpid() GetCurrentProcessId()
 #endif
 
+/* XXX: Disable intl support, because we do not carry the translations anyway
+ * and this pulls indirectly libintl, wich we do not want to impose. */
 #ifndef _
-/* This is for other GNU distributions with internationalized messages.
-   When compiling libc, the _ macro is predefined.  */
-#ifdef HAVE_LIBINTL_H
-# include <libintl.h>
-# define _(msgid)	gettext (msgid)
-#else
-# define _(msgid)	(msgid)
-#endif
+#define _(msgid)	(msgid)
 #endif
 
 /* This version of `getopt' appears to the caller like standard Unix `getopt'