http://cgit.openembedded.org/openembedded-core/tree/meta/recipes-extended/diffutils/diffutils-3.6

Subject: explicitly disable replacing getopt

Explicitly disable replacing getopt to avoid compilation error like below.

  xstrtol-error.c:84:26: error: invalid use of undefined type 'struct rpl_option'

diff --git a/m4/getopt.m4 b/m4/getopt.m4
index 3ebc7b7..8934426 100644
--- a/m4/getopt.m4
+++ b/m4/getopt.m4
@@ -22,8 +22,8 @@ AC_DEFUN([gl_FUNC_GETOPT_POSIX],
     fi
   ])
   if test $REPLACE_GETOPT = 1; then
-    dnl Arrange for getopt.h to be created.
-    gl_GETOPT_SUBSTITUTE_HEADER
+    dnl Explicitly disable replacing getopt
+    :
   fi
 ])
 
-- 
2.11.0