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install header

PUBLIC_HEADER​

https://stackoverflow.com/questions/10487256/cmake-how-to-properly-copy-static-librarys-header-file-into-usr-include

project(myproject)

add_library(mylib some.c another.c)
set_target_properties(mylib PROPERTIES PUBLIC_HEADER "some.h;another.h")
INSTALL(TARGETS mylib
        LIBRARY DESTINATION some/libpath
        PUBLIC_HEADER DESTINATION some/includepath
)

EXPORT FILE_SET​

https://discourse.cmake.org/t/how-to-not-install-header-sets-of-private-dependencies/11259

DIRECTORY​

install(DIRECTORY "${CMAKE_SOURCE_DIR}/" # source directory
        DESTINATION "include" # target directory
        FILES_MATCHING # install only matched files
        PATTERN "*.h" # select header files
)

INTERFACE_INCLUDE_DIRECTORIES​

The target_include_directories() command populates this property with values given to the PUBLIC and INTERFACE keywords

build と install で分ける
target_include_directories(mylib INTERFACE
  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/mylib>
  $<INSTALL_INTERFACE:include/mylib>  # <prefix>/include/mylib
)

EXPORT 時に INTERFACE_INCLUDE_DIRECTORIES に build-tree が build-tree が含むとエラー​

CMake Error: INTERFACE_INCLUDE_DIRECTORIES
CMake Error in PROJECT_DIR/CMakeLists.txt:
  Target "shaderc" INTERFACE_INCLUDE_DIRECTORIES property contains path:

    "BUILD_DIR/_deps/shaderc-src/libshaderc/include"

  which is prefixed in the build directory.

対策

# clear
set_target_properties(zlib PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "")
# 再設定
target_include_directories(zlib PUBLIC $<BUILD_INTERFACE:${zlib_SOURCE_DIR}>
                                       $<INSTALL_INTERFACE:include>)

how to SDL/include to include/SDL2 (rename)​

tail /