iox-eclipse-iceoryx#33 added gtest downloading in windows cmake; adju…

…sted some unit test dependencies in cmake

Signed-off-by: Christian Eltzschig <christian.eltzschig2@de.bosch.com>

CMakeLists-Windows.txt

@@ -1,10 +1,27 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.14)
 set(iceoryx_VERSION 0.16.0.1)
 
 project(iceoryx VERSION ${iceoryx_VERSION})
+include(FetchContent)
+
+if(test)
+FetchContent_Declare(
+    GOOGLETEST
+    GIT_REPOSITORY https://github.com/google/googletest.git
+    GIT_TAG release-1.10.0
+)
+FetchContent_GetProperties(GOOGLETEST)
+if (NOT googletest_POPULATED)
+    message(STATUS "updating: googletest" )
+    FetchContent_Populate(GOOGLETEST)
+    add_subdirectory(${googletest_SOURCE_DIR} ${googletest_BINARY_DIR})
+    set(GTest_FOUND true)
+    add_library(GTest::gtest ALIAS gtest)
+    add_library(GTest::gmock ALIAS gmock)
+endif()   
+endif(test)
 
 add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/iceoryx_utils )
 add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/iceoryx_posh  )
 add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/iceoryx_examples/icedelivery )
 add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/iceoryx_examples/iceperf )
-

iceoryx_posh/CMakeLists.txt

@@ -206,6 +206,11 @@ if(TOML_CONFIG)
     target_compile_definitions(RouDi PRIVATE -DTOML_CONFIG_FILE)
 endif(TOML_CONFIG)
 
+if(test)
+    # since the unit tests have the roudi environment as dependency
+    set(roudi_environment ON) 
+endif(test)
+
 if(roudi_environment)
     add_library(iceoryx_posh_roudi_environment
         source/roudi_environment/runtime_test_interface.cpp