try checking if we should run libtool/valgrind or not

cf/maybe-valgrind.sh

@@ -0,0 +1,68 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 - 2007 Kungliga Tekniska H<>gskolan
+# (Royal Institute of Technology, Stockholm, Sweden). 
+# All rights reserved. 
+#
+# Redistribution and use in source and binary forms, with or without 
+# modification, are permitted provided that the following conditions 
+# are met: 
+#
+# 1. Redistributions of source code must retain the above copyright 
+#    notice, this list of conditions and the following disclaimer. 
+#
+# 2. Redistributions in binary form must reproduce the above copyright 
+#    notice, this list of conditions and the following disclaimer in the 
+#    documentation and/or other materials provided with the distribution. 
+#
+# 3. Neither the name of the Institute nor the names of its contributors 
+#    may be used to endorse or promote products derived from this software 
+#    without specific prior written permission. 
+#
+# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+# SUCH DAMAGE. 
+
+
+while true
+do
+  case $1 in
+  -s) tsrcdir="$2"; shift 2;;
+  -o) tobjdir="$2"; shift 2;;
+  -*) echo "$0: Bad option $1"; echo $usage; exit 1;;
+  *) break;;
+  esac
+done
+
+if [ X"${tobjdir}" = "X" -o X"${tsrcdir}" = X ] ; then
+    echo "tobjdir or tsrcdir not defined"
+    exit 1
+fi
+
+if [ ! -f "${tobjdir}/libtool" ]; then
+    echo "libtool missing from \"${tobjdir}\""
+    exit 1
+fi
+
+doit=1
+
+libtool="${tobjdir}/libtool --mode=execute"
+
+valgrind="valgrind --leak-check=full --trace-children=yes --quiet -q --num-callers=30 --suppressions=${tsrcdir}/cf/valgrind-suppressions"
+
+if head -10 "$1" | grep 'Generated by ltmain.sh' > /dev/null ; then
+    uselibtool=1
+elif head -10 "$1" | grep 'bin/sh' > /dev/null ; then
+    libtool=
+    valgrind=
+fi
+
+exec $libtool $valgrind "$@"