Work around FindGMock/Catkin target name clash (#1011)
Handle case with multiple invocations (avoid pasting ${CMAKE_THREAD_LIBS_INIT} multiple times). Also check if target 'gmock' already exists before building GMock to avoid failures if GMock was already find_packaged() from another subproject. FIXES=https://github.com/googlecartographer/cartographer_ros/issues/776master
parent
915ebb19a6
commit
ae05658ff7
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@ -12,6 +12,7 @@
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# See the License for the specific language governing permissions and
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# limitations under the License.
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if(NOT GMock_FOUND)
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find_path(GMOCK_INCLUDE_DIRS gmock/gmock.h
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find_path(GMOCK_INCLUDE_DIRS gmock/gmock.h
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HINTS
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HINTS
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ENV GMOCK_DIR
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ENV GMOCK_DIR
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@ -52,7 +53,9 @@ if(NOT GMOCK_LIBRARIES)
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)
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)
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if(GMOCK_SRC_DIR)
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if(GMOCK_SRC_DIR)
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# If src version found, build it.
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# If src version found, build it.
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if(NOT TARGET gmock)
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add_subdirectory(${GMOCK_SRC_DIR} "${CMAKE_CURRENT_BINARY_DIR}/gmock")
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add_subdirectory(${GMOCK_SRC_DIR} "${CMAKE_CURRENT_BINARY_DIR}/gmock")
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endif()
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# The next line is needed for Ubuntu Trusty.
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# The next line is needed for Ubuntu Trusty.
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set(GMOCK_INCLUDE_DIRS "${GMOCK_SRC_DIR}/gtest/include")
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set(GMOCK_INCLUDE_DIRS "${GMOCK_SRC_DIR}/gtest/include")
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set(GMOCK_LIBRARIES gmock_main)
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set(GMOCK_LIBRARIES gmock_main)
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@ -62,8 +65,11 @@ endif()
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# System-wide installed gmock library might require pthreads.
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# System-wide installed gmock library might require pthreads.
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find_package(Threads REQUIRED)
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find_package(Threads REQUIRED)
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list(APPEND GMOCK_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
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list(APPEND GMOCK_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
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endif()
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include(FindPackageHandleStandardArgs)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(GMock DEFAULT_MSG GMOCK_LIBRARIES
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find_package_handle_standard_args(GMock DEFAULT_MSG GMOCK_LIBRARIES
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GMOCK_INCLUDE_DIRS)
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GMOCK_INCLUDE_DIRS)
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# Mitigate build issue with Catkin
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set(GMOCK_FOUND FALSE)
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