Also at
https://cmake.org/cmake/help/latest/module/CMakePackageConfigHelpers.html?highlight=configure_package_config_file
set(INCLUDE_INSTALL_DIR include/ ... CACHE )
set(LIB_INSTALL_DIR lib/ ... CACHE )
set(SYSCONFIG_INSTALL_DIR etc/foo/ ... CACHE )
#...
include(CMakePackageConfigHelpers)
configure_package_config_file(FooConfig.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/FooConfig.cmake
INSTALL_DESTINATION ${LIB_INSTALL_DIR}/Foo/cmake
PATH_VARS INCLUDE_INSTALL_DIR SYSCONFIG_INSTALL_DIR)
write_basic_package_version_file(
${CMAKE_CURRENT_BINARY_DIR}/FooConfigVersion.cmake
VERSION 1.2.3
COMPATIBILITY SameMajorVersion )
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/FooConfig.cmake
${CMAKE_CURRENT_BINARY_DIR}/FooConfigVersion.cmake
DESTINATION ${LIB_INSTALL_DIR}/Foo/cmake )
Does
INSTALL_DESTINATION ${LIB_INSTALL_DIR}/Foo/cmake
from configure_package_config_file and
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/FooConfig.cmake ....
install the file twice? Is this from department of redundancy
department department?.
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