# HG changeset patch
# User Martin von Gagern <Martin.vGagern@gmx.net>
# Date 1316007196 -7200
# Node ID d12c46223fa1172d4fa6db23c553000feaadef16
# Parent  bdf397bc4086e6fb6e6ebb0a756639ff367808ce
maint.mk: avoid warnings from perl about missing files

* top/maint.mk (def_sym_regex): Ignore files listed in
$(gl_other_headers_) that do not exist, say because a project
does not use a corresponding module.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2011-09-14  Martin von Gagern  <Martin.vGagern@gmx.net>
+
+	maint.mk: avoid warnings from perl about missing files
+	* top/maint.mk (def_sym_regex): Ignore files listed in
+	$(gl_other_headers_) that do not exist, say because a project
+	does not use a corresponding module.
+
 2011-09-18  Paul Eggert  <eggert@cs.ucla.edu>
 
 	stat: use pathmax.h only if needed
diff --git a/top/maint.mk b/top/maint.mk
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -762,7 +762,8 @@
 	gen_h=$(gl_generated_headers_);					\
 	(cd $(gnulib_dir)/lib;						\
 	  for f in *.in.h $(gl_other_headers_); do			\
-	    perl -lne '$(gl_extract_significant_defines_)' $$f;		\
+	    test -f $$f							\
+	      && perl -lne '$(gl_extract_significant_defines_)' $$f;	\
 	  done;								\
 	) | sort -u							\
 	  | sed 's/^/^ *# *(define|undef)  */;s/$$/\\>/'