patch_tester.sh (usage): Watermark is not lexicographic.

* patch_tester.sh (usage): Watermark is not lexicographic.
	Load $STATE/defaults if it exists.
	(selfexec): Use $0.
	(apply_patch): Handle deletions.
	(bootntest): Handle default settings.

From-SVN: r132974

contrib/ChangeLog

@@ -1,3 +1,11 @@
+2008-03-06  Tom Tromey  <tromey@redhat.com>
+
+	* patch_tester.sh (usage): Watermark is not lexicographic.
+	Load $STATE/defaults if it exists.
+	(selfexec): Use $0.
+	(apply_patch): Handle deletions.
+	(bootntest): Handle default settings.
+
 2008-03-05  Jakub Jelinek  <jakub@redhat.com>
 
 	* gennews (files): Reference GCC 4.3 web pages.

contrib/patch_tester.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # Tests a set of patches from a directory.
-# Copyright (C) 2007  Free Software Foundation, Inc.
+# Copyright (C) 2007, 2008  Free Software Foundation, Inc.
 # Contributed by Sebastian Pop <sebastian.pop@amd.com>
 
 # This program is free software; you can redistribute it and/or modify
@@ -48,8 +48,7 @@ patch_tester.sh [-j<N>] [-standby N] [-watermark N] [-savecompilers] [-nogpg]
     PATCHES_DIR.  Default is ${default_standby} minutes.
 
     WATERMARK is the 5 minute average system charge under which a new
-    compile can start.  Default is ${default_watermark}.  Note that the comparison 
+    compile can start.  Default is ${default_watermark}.
-    is done in lexicographical order, so don't forget the leading 0.
 
     SAVECOMPILERS copies the compilers in the same directory as the
     test results for the non patched version.  Default is not copy.
@@ -132,6 +131,12 @@ fi
     svn -q co svn://gcc.gnu.org/svn/gcc/trunk .
 }
 
+# This can contain required local settings:
+#  default_config  configure options, always passed
+#  default_make    make bootstrap options, always passed
+#  default_check   make check options, always passed
+[ -f $STATE/defaults ] && . $STATE/defaults
+
 VERSION=`svn info $SOURCE | grep "^Revision:" | sed -e "s/^Revision://g" -e "s/ //g"`
 
 exec >> $STATE/tester.log 2>&1 || exit 1
@@ -182,7 +187,7 @@ cleanup () {
 }
 
 selfexec () {
-    exec ${CONFIG_SHELL-/bin/sh} $SOURCE/contrib/patch_tester.sh $args
+    exec ${CONFIG_SHELL-/bin/sh} $0 $args
 }
 
 update () {
@@ -263,6 +268,17 @@ apply_patch () {
 	    return 1
 	fi
     fi
+
+    # Just assume indexes for now -- not really great, but svn always
+    # makes them.
+    grep "^Index: " $PATCH | sed -e 's/Index: //' | while read file; do
+	# If the patch resulted in an empty file, delete it.
+	# This is how svn reports deletions.
+	if [ ! -s $file ]; then
+	    rm -f $file
+	    report "Deleting empty file $file"
+	fi
+    done
 }
 
 save_compilers () {
@@ -279,13 +295,16 @@ bootntest () {
     cd $BUILD
 
     CONFIG_OPTIONS=`grep "^configure:" $PATCH | sed -e "s/^configure://g"`
+    CONFIG_OPTIONS="$default_config $CONFIG_OPTIONS"
     if ! $SOURCE/configure $CONFIG_OPTIONS &> $1/configure ; then
 	report "configure failed with:"
 	freport $1/configure
 	return 1
     fi
 
-    if ! make $dashj `grep "^make:" $PATCH | sed -e "s/^make://g"` bootstrap &> $1/bootstrap ; then
+    MAKE_ARGS=`grep "^make:" $PATCH | sed -e "s/^make://g"`
+    MAKE_ARGS="$default_make $MAKE_ARGS"
+    if ! make $dashj $MAKE_ARGS bootstrap &> $1/bootstrap ; then
 	report "bootstrap failed with last lines:"
 	tail -30 $1/bootstrap > $1/last_bootstrap
 	freport $1/last_bootstrap
@@ -296,6 +315,7 @@ bootntest () {
     fi
 
     CHECK_OPTIONS=`grep "^check:" $PATCH | sed -e "s/^check://g"`
+    CHECK_OPTIONS="$default_check $CHECK_OPTIONS"
     make $dashj $CHECK_OPTIONS -k check &> $1/check
 
     for LOG in $TESTLOGS ; do