Add basic self test.

Makefile.am

@@ -1,6 +1,6 @@
 AUTOMAKE_OPTIONS = foreign nostdinc
 
-SUBDIRS = src
+SUBDIRS = src tests
 
 include_HEADERS = include/libssh2.h include/libssh2_publickey.h	\
  include/libssh2_sftp.h

configure.in

@@ -254,5 +254,6 @@ AC_C_CONST
 AC_C_INLINE
 
 AC_CONFIG_FILES([Makefile
-                 src/Makefile])
+                 src/Makefile
+                 tests/Makefile])
 AC_OUTPUT

tests/Makefile.am

@@ -0,0 +1,7 @@
+AM_CPPFLAGS = -I$(top_srcdir)/include
+AM_LDFLAGS = -no-install
+LDADD = ../src/libssh2.la
+
+ctests = simple$(EXEEXT)
+TESTS = $(ctests)	
+check_PROGRAMS = $(ctests)

tests/simple.c

@@ -0,0 +1,56 @@
+/* Copyright (C) 2007 The Written Word, Inc.  All rights reserved.
+ * Author: Simon Josefsson
+ *
+ * Redistribution and use in source and binary forms,
+ * with or without modification, are permitted provided
+ * that the following conditions are met:
+ *
+ *   Redistributions of source code must retain the above
+ *   copyright notice, this list of conditions and the
+ *   following disclaimer.
+ *
+ *   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.
+ *
+ *   Neither the name of the copyright holder nor the names
+ *   of any other contributors may be used to endorse or
+ *   promote products derived from this software without
+ *   specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
+ */
+
+#include <stdio.h>
+
+#include "libssh2.h"
+
+int main(int argc, char *argv[])
+{
+	LIBSSH2_SESSION *session;
+
+	session = libssh2_session_init();
+	if (!session)
+	{
+		fprintf (stderr, "libssh2_session_init() failed\n");
+		return 1;
+	}
+
+	libssh2_session_free(session);
+
+	return 0;
+}