Address run-time linker problems: LD_PRELOAD issue on multi-ABI platforms

and SafeDllSearchMode in Windows.

Submitted by: Richard Levitte

util/opensslwrap.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+HERE="`echo $0 | sed -e 's|[^/]*$||'`"
+OPENSSL="${HERE}../apps/openssl"
+
+if [ -x "${OPENSSL}.exe" ]; then
+	# The original reason for this script existence is to work around
+	# certain caveats in run-time linker behaviour. On Windows platforms
+	# adjusting $PATH used to be sufficient, but with introduction of
+	# SafeDllSearchMode in XP/2003 the only way to get it right in
+	# *all* possible situations is to copy newly built .DLLs to apps/
+	# and test/, which is now done elsewhere... The $PATH is adjusted
+	# for backward compatibility (and nostagical reasons:-).
+	if [ "$OSTYPE" != msdosdjgpp ]; then
+		PATH="${HERE}..:$PATH"; export PATH
+	fi
+	exec "${OPENSSL}.exe" "$@"
+elif [ -x "${OPENSSL}" -a -x "${HERE}shlib_wrap.sh" ]; then
+	exec "${HERE}shlib_wrap.sh" "${OPENSSL}" "$@"
+else
+	exec "${OPENSSL}" "$@"	# hope for the best...
+fi