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Support CMake none targets

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When trying to import rapidjson with for exemple : 
fetchcontent_declare(rapidjson GIT_REPOSITORY https://github.com/Tencent/rapidjson.git)

if your CMake/Clang is "bare metal", exemple given : 

set(CMAKE_SYSTEM_NAME none)
set(CMAKE_SYSTEM_PROCESSOR x86_64)
set(CMAKE_C_COMPILER_TARGET x86_64-elf-none)
set(CMAKE_CXX_COMPILER_TARGET x86_64-elf-none)

CMake fails to process CMakeLists.txt because of the switch on UNIX/CYGWIN/WIN32 for install directory.

Error is: 

CMake Error at cmake-build-debug-clang/_deps/rapidjson-src/CMakeLists.txt:244 (INSTALL):
  INSTALL FILES given no DESTINATION!
This commit is contained in:
Ivan Le Lann 2021-10-02 15:26:17 +02:00 committed by GitHub
parent 2e8f5d897d
commit e6736d1baa
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1 changed files with 7 additions and 5 deletions
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CMakeLists.txt
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@ -241,8 +241,10 @@ INSTALL(FILES "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${PROJECT_NAM
DESTINATION ${CMAKECONFIG_INSTALL_DIR} ) DESTINATION ${CMAKECONFIG_INSTALL_DIR} )
# Install files # Install files
INSTALL(FILES IF(CMAKE_INSTALL_DIR)
INSTALL(FILES
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
DESTINATION "${CMAKE_INSTALL_DIR}" DESTINATION "${CMAKE_INSTALL_DIR}"
COMPONENT dev) COMPONENT dev)
ENDIF()