From 4c0e839be3f334a5ae82948d1261996935821f85 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= <des@des.no>
Date: Sat, 7 Apr 2012 18:56:13 +0000
Subject: [PATCH] Add a gdb wrapper script that sets LD_LIBRARY_PATH and helps
 locate the actual binary.

git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@583 185d5e19-27fe-0310-9dcf-9bff6b9f3609
---
 configure.ac |  1 +
 pamgdb.in    | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 pamgdb.in

diff --git a/configure.ac b/configure.ac
index 1cadc92..ae969f3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -126,4 +126,5 @@ AC_CONFIG_FILES([
     modules/pam_unix/Makefile
     t/Makefile
 ])
+AC_CONFIG_FILES([pamgdb],[chmod +x pamgdb])
 AC_OUTPUT
diff --git a/pamgdb.in b/pamgdb.in
new file mode 100644
index 0000000..123801a
--- /dev/null
+++ b/pamgdb.in
@@ -0,0 +1,41 @@
+#!/bin/sh
+#
+# $Id$
+#
+
+srcdir="@abs_top_srcdir@"
+builddir="@abs_top_builddir@"
+
+# Make sure we get the right version of libpam
+pam_libdir="${builddir}/lib/.libs"
+LD_LIBRARY_PATH="${pam_libdir}:${LD_LIBRARY_PATH}"
+LD_LIBRARY_PATH="${LD_LIBRARY_PATH%:}"
+export LD_LIBRARY_PATH
+
+# DWIM, assuming that the first positional argument is the name of the
+# program to debug rather than a gdb option.
+prog="$1"
+if expr "${prog}" : ".*/.*" >/dev/null ; then
+	# The first argument is an absolute or relative path.  There
+	# is a good chance that it points to the wrapper script
+	# generated by libtool rather than the actual binary.
+	altprog="${prog%/*}/.libs/${prog##*/}"
+	if [ -x "${altprog}" ] ; then
+		shift
+		set "${altprog}" "$@"
+	fi
+elif expr "${prog}" : "[a-z.-][a-z.-]*" >/dev/null ; then
+	# The first argument is just the name of the program.  Look for
+	# it in the build directory.
+	for libdir in $(find "${builddir}" -type d -name .libs -print) ; do
+		altprog="${libdir}/${prog}"
+		if [ -x "${altprog}" ] ; then
+			shift
+			set "${altprog}" "$@"
+			break
+		fi
+	done
+fi
+
+# Let's go!
+exec gdb "$@"