Merge pull request #7 from google/add_bypass_testing

Add option to bypass testing.

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7d62eb3..3c06a1f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,6 +19,10 @@
 option(securemessage_USE_LOCAL_PROTOBUF
        "Use local copy of protobuf library and compiler" OFF)
 
+# Do not install gtest since we are embedding googletest.
+option(INSTALL_GTEST "Do not install gtest since we are embedding googletest" OFF)
+option(BYPASS_TESTING "Do not build or run tests" OFF)
+
 include(cmake/proto_defs.cmake)
 include(cmake/local_build_setup.cmake)
 
@@ -33,6 +37,10 @@
 
 add_subdirectory(cpp)
 add_subdirectory(proto)
-if (NOT TARGET gtest)
-add_subdirectory(third_party/gtest)
+
+if (NOT BYPASS_TESTING)
+  if (NOT TARGET gtest)
+    add_subdirectory(third_party/gtest)
+   endif()
 endif()
+

cpp/CMakeLists.txt

diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 20af9ff..80881db 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -14,4 +14,7 @@
 
 set(SECUREMESSAGE_CPP_ROOT ${CMAKE_CURRENT_LIST_DIR})
 add_subdirectory(src/securemessage)
-add_subdirectory(test/securemessage)
+
+if (NOT BYPASS_TESTING)
+  add_subdirectory(test/securemessage)
+endif()