# HG changeset patch
# User Colin Watson <cjwatson@debian.org>
# Date 1200350144 -3600
# Node ID 54235d17e2af57009264668ffa7a05cf3cc6bf8e
# Parent  b87fb6bea56a7b5d75fbdd3dbd6d4c8c6fdc4657
Make the functions argp_error, argp_failure known to xgettext.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-01-14  Colin Watson  <cjwatson@debian.org>
+
+	* modules/argp (Notice): Add a notice recommending to change
+	XGETTEXT_OPTIONS.
+	(configure.ac): Invoke AM_XGETTEXT_OPTION if it exists.
+
 2008-01-13  Colin Watson  <cjwatson@debian.org>
 
 	* modules/strsignal-tests: New file.
diff --git a/modules/argp b/modules/argp
--- a/modules/argp
+++ b/modules/argp
@@ -1,6 +1,11 @@
 Description:
 Hierarchical processing of command line arguments.
 
+Notice:
+If you are using GNU gettext version 0.16.1 or older, add the following options
+to XGETTEXT_OPTIONS in your po/Makevars:
+  --flag=argp_error:2:c-format --flag=argp_failure:4:c-format
+
 Files:
 lib/argp.h
 lib/argp-ba.c
@@ -34,6 +39,9 @@
 
 configure.ac:
 gl_ARGP
+m4_ifdef([AM_XGETTEXT_OPTION],
+  [AM_XGETTEXT_OPTION([--flag=argp_error:2:c-format])
+   AM_XGETTEXT_OPTION([--flag=argp_failure:4:c-format])])
 
 Makefile.am:
 lib_SOURCES += argp.h argp-ba.c argp-eexst.c \