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-rw-r--r--ChangeLog4
-rw-r--r--Makefile3
-rwxr-xr-xscripts/check-local-headers.sh31
3 files changed, 23 insertions, 15 deletions
diff --git a/ChangeLog b/ChangeLog
index 2ef1710c3c..70c31cb745 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2011-07-02  Roland McGrath  <roland@hack.frob.com>
 
+	* scripts/check-local-headers.sh: Rewritten using awk.
+	Match by word, not by line.  Print error messages for matches.
+	* Makefile ($(objpfx)check-local-headers.out): Pass AWK in to it.
+
 	* Makerules [shlib-lds-flags empty]:
 	($(common-objpfx)libc_pic.opts): New target.
 	($(common-objpfx)libc_pic.os.clean): New target.
diff --git a/Makefile b/Makefile
index aac255713d..287f671c17 100644
--- a/Makefile
+++ b/Makefile
@@ -284,7 +284,8 @@ endif
 endif
 
 $(objpfx)check-local-headers.out: scripts/check-local-headers.sh
-	scripts/check-local-headers.sh "$(includedir)" "$(objpfx)" > $@
+	AWK='$(AWK)' scripts/check-local-headers.sh \
+	  "$(includedir)" "$(objpfx)" > $@
 
 ifneq ($(PERL),no)
 installed-headers = argp/argp.h assert/assert.h catgets/nl_types.h \
diff --git a/scripts/check-local-headers.sh b/scripts/check-local-headers.sh
index d15e9a4416..b73078d364 100755
--- a/scripts/check-local-headers.sh
+++ b/scripts/check-local-headers.sh
@@ -1,5 +1,5 @@
 #! /bin/bash
-# Copyright (C) 2005, 2007, 2009 Free Software Foundation, Inc.
+# Copyright (C) 2005,2007,2009,2011 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -23,18 +23,21 @@ objpfx="$2"
 # To avoid long paths.
 cd "$objpfx"
 
-
 # Search all dependency files for file names in the include directory.
 # There are a few system headers we are known to use.
-if fgrep "$includedir" */*.{o,os,oS}.d |
-fgrep -v "$includedir/asm" |
-fgrep -v "$includedir/linux" |
-fgrep -v "$includedir/selinux" |
-fgrep -v "$includedir/sys/capability.h" |
-fgrep -v "$includedir/gd" |
-fgrep -v "$includedir/nss3"; then
-  # If we found a match something is wrong.
-  exit 1
-fi
-
-exit 0
+exec ${AWK} -v includedir="$includedir" '
+BEGIN {
+  status = 0
+  exclude = "^" includedir \
+    "/(asm[-/]|linux/|selinux/|gd|nss3/|sys/capability\\.h)"
+}
+/^[^ ]/ && $1 ~ /.*:/ { obj = $1 }
+{
+  for (i = 1; i <= NF; ++i) {
+    if ($i ~ ("^" includedir) && $i !~ exclude) {
+      print "***", obj, "uses", $i
+      status = 1
+    }
+  }
+}
+END { exit status }' */*.{o,os,oS}.d