ArduinoJson is now a header-only library (issue #199)

test/gtest.cmake

@@ -0,0 +1,24 @@
+set(GTEST_DIR ../third-party/gtest-1.7.0)
+
+add_library(gtest
+	${GTEST_DIR}/src/gtest-all.cc
+    ${GTEST_DIR}/src/gtest_main.cc
+)
+
+target_include_directories(gtest
+	PUBLIC
+    ${GTEST_DIR}
+    ${GTEST_DIR}/include
+)
+
+
+target_compile_definitions(gtest PUBLIC -DGTEST_HAS_PTHREAD=0)
+
+if (MSVC)
+	if (MSVC_VERSION EQUAL 1700)
+		# Workaround for Visual Studio 2012
+	    target_compile_definitions(gtest PUBLIC -D_VARIADIC_MAX=10)
+	endif()
+
+	target_compile_definitions(gtest PUBLIC -D_CRT_SECURE_NO_WARNINGS)
+endif()