tools: add checkconfig to top-level Makefile

Signed-off-by: Karel Zak <kzak@redhat.com>

Makefile.am

@@ -48,10 +48,15 @@ distclean-local:
 
 
 checkincludes:
-	-find * $(RCS_FIND_IGNORE) \
+	@find * $(RCS_FIND_IGNORE) \
 		-name '*.[hcS]' -type f -print | sort -u \
 		| xargs $(top_srcdir)/tools/checkincludes.pl
 
+checkconfig:
+	@find * $(RCS_FIND_IGNORE) \
+		-name '*.[hcS]' -type f -print | sort -u \
+		| xargs $(top_srcdir)/tools/checkconfig.sh $(top_srcdir)
+
 
 ENABLE_ALL = --enable-static-programs \
  --enable-elvtune --enable-init --enable-kill --enable-last \

tools/checkconfig.sh

@@ -4,34 +4,43 @@
 # This script checks for HAVE_ and ENABLE_ macros which are
 # not included in config.h.in
 #
+# Usage:   checkconfig.sh <top_srcdir> <srcfile> [<srcfile> ...]
+#
 # Copyright (C) 2007 Matthias Koenig <mkoenig@suse.de>
+# Copyright (C) 2008 Karel Zak <kzak@redhat.com>
 #
 
-srcdir=$1
 
-if [ ! "$srcdir" ]; then
-	srcdir=$PWD
-fi
-
-CONFIG="$srcdir/config.h.in"
-if [ ! -f "$CONFIG" ]; then
-	echo "config.h.in is needed"
+function die() {
+	echo "error: $1"
 	exit 1
-fi
+}
 
-SOURCES=$(find $srcdir -name "*.c")
+srcdir=$1
+config="$srcdir/config.h.in"
+
+[ -d "$srcdir" ] || die "$srcdir: not such directory."
+[ -f "$config" ] || die "$config: not such file."
+
+shift
+
+while (( "$#" )); do
+	srcfile=$1
+	shift
+
+	[ ! -f "$srcfile" ] && continue;
 
-for f in $SOURCES; do
 	DEFINES=$(sed -n -e 's/.*[ \t(]\+\(HAVE_[[:alnum:]]\+[^ \t);]*\).*/\1/p' \
                          -e 's/.*[ \t(]\+\(ENABLE_[[:alnum:]]\+[^ \t);]*\).*/\1/p' \
-                         $f | sort -u)
+                         $srcfile | sort -u)
 	[ -z "$DEFINES" ] && continue
 
 	for d in $DEFINES; do
 		case $d in
-		HAVE_CONFIG_H) continue;;
-		*) grep -q "$d\( \|\>\)" $CONFIG || echo $(echo $f | sed 's:'$srcdir/'::') ": $d"
-
+		HAVE_CONFIG_H) continue
+		   ;;
+		*) grep -q "$d\( \|\>\)" $config || \
+		     echo $(echo $srcfile | sed 's:\\'$srcdir/'::') ": $d"
 	           ;;
 		esac
 	done