From 8a1dd2fe05fc19d9f136d1ddbb42bb0af197240d Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 13 Nov 2002 06:39:26 +0000
Subject: [PATCH] (po-check): Scan .l and .y files instead of the .c and the .h
 files that they generate.  Look for N_ as well as for _.  Try to avoid
 matching #define for N_ and _.

---
 Makefile.maint | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Makefile.maint b/Makefile.maint
index e2e90f7..83efdf3 100644
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -97,7 +97,16 @@ m4-check:
 po-check:
 	if test -f po/POTFILES.in; then \
 	  grep -E -v '^(#|$$)' po/POTFILES.in | sort > $@-1; \
-	  grep -E -l '\b_\(' lib/*.[ch] src/*.[ch] | sort > $@-2; \
+	  files=; \
+	  for file in lib/*.[chly] src/*.[chly]; do \
+	    case $$file in \
+	    *.[ch]) \
+	      base=`expr " $$file" : ' \(.*\)\..'`; \
+	      { test -f $$base.l || test -f $$base.y; } && continue;; \
+	    esac; \
+	    files="$$files $$file"; \
+	  done; \
+	  grep -E -l '\bN?_\([^)"]*("|$$)' $$files | sort > $@-2; \
 	  diff -u $@-1 $@-2 || exit 1; \
 	  rm -f $@-1 $@-2; \
 	fi
-- 
2.7.4