enable unit-tests

This CL simply enables unit-tests.

Change-Id: I4ea62005566e2aa42fc29258559654fe2745f726
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/configure.ac b/configure.ac
index 69629fa..626fd5f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,6 +33,8 @@
 LT_INIT # Required for systemd linking
 
 # Check/set gtest specific functions.
+PKG_CHECK_MODULES([GTEST], [gtest], [], [AC_MSG_NOTICE([gtest not found, tests will not build])])
+PKG_CHECK_MODULES([GMOCK], [gmock], [], [AC_MSG_NOTICE([gmock not found, tests will not build])])
 AX_PTHREAD([GTEST_CPPFLAGS="-DGTEST_HAS_PTHREAD=1"],[GTEST_CPPFLAGS="-DGTEST_HAS_PTHREAD=0"])
 AC_SUBST(GTEST_CPPFLAGS)
 
@@ -67,5 +69,5 @@
 AC_SUBST(ZONEGEN)
 
 # Create configured output
-AC_CONFIG_FILES([Makefile])
+AC_CONFIG_FILES([Makefile test/Makefile])
 AC_OUTPUT