Kai Pastor b69ec652ae
[cmake-user] Bump cmake_minimum_required (#39072)
Fixes:
~~~
CMake Deprecation Warning at CMakeLists.txt:1 (cmake_minimum_required):
Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.
~~~
2024-06-03 22:29:41 -07:00

96 lines
3.8 KiB
CMake

cmake_minimum_required(VERSION 3.5)
project(cmake-user LANGUAGES C)
message(STATUS "CMAKE_COMMAND: ${CMAKE_COMMAND}")
set(CHECK_CMAKE_VERSION "NOTFOUND" CACHE STRING "Version of CMake expected to be found")
if(NOT CHECK_CMAKE_VERSION)
message(WARNING "CMake version check: skipped (actual: ${CMAKE_VERSION})")
elseif(NOT CHECK_CMAKE_VERSION VERSION_EQUAL CMAKE_VERSION)
message(SEND_ERROR "CMake version check: failed (actual: ${CMAKE_VERSION} expected: ${CHECK_CMAKE_VERSION})")
else()
message(STATUS "CMake version check: success (actual: ${CMAKE_VERSION})")
endif()
# add_library overload
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/lib.c" "int lib_unused() { return 1; }")
add_library(lib "${CMAKE_CURRENT_BINARY_DIR}/lib.c")
# add_executable overload
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/exe.c" "int main() { return 0; }")
add_executable(exe "${CMAKE_CURRENT_BINARY_DIR}/exe.c")
# install overload
set(X_VCPKG_APPLOCAL_DEPS_INSTALL 1)
install(TARGETS exe lib
RUNTIME DESTINATION bin
ARCHIVE DESTINATION lib
LIBRARY DESTINATION lib
)
# find_package overload and wrapper
set(FIND_PACKAGES "" CACHE STRING "List of packages to be found and used")
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
foreach(package ${FIND_PACKAGES})
string(TOUPPER "${package}" package_upper)
set(CMAKE_FIND_DEBUG_MODE ON)
find_package("${package}" QUIET)
set(CMAKE_FIND_DEBUG_MODE OFF)
if(NOT ${package}_FOUND AND NOT ${package_upper}_FOUND)
message(SEND_ERROR "find_package(${package}) check: failed")
continue()
endif()
# REQUIRED changes the behaviour find_package_handle_standard_args.
find_package("${package}" REQUIRED)
message(STATUS "find_package(${package}) check: success")
set(libraries_var "")
if(DEFINED ${package}_LIBRARIES)
set(libraries_var "${package}_LIBRARIES")
elseif(DEFINED ${package_upper}_LIBRARIES)
set(libraries_var "${package_upper}_LIBRARIES")
elseif(DEFINED ${package}_LIBRARY)
set(libraries_var "${package}_LIBRARY")
elseif(DEFINED ${package_upper}_LIBRARY)
set(libraries_var "${package_upper}_LIBRARY")
else()
message(STATUS "${package}_LIBRARY/IES: undefined")
continue()
endif()
set(libraries "${${libraries_var}}")
message(STATUS "${libraries_var}: ${libraries}")
if(package STREQUAL "Intl" AND NOT Intl_LIBRARY)
continue() # using libintl.h from C runtime library
endif()
target_link_libraries(exe PRIVATE ${libraries})
set(last_keyword "")
foreach(item IN LISTS libraries)
if(item STREQUAL "optimized" OR item STREQUAL "debug")
set(last_keyword "${item}")
continue()
endif()
string(FIND "${item}" "${VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/lib/" starts_with_release)
string(FIND "${item}" "${VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/debug/lib/" starts_with_debug)
if(starts_with_release EQUAL "0")
if(last_keyword STREQUAL "optimized")
# okay
elseif(last_keyword STREQUAL "debug")
message(SEND_ERROR "Release lib for 'debug' keyword: ${item}")
elseif(CMAKE_BUILD_TYPE STREQUAL "Debug")
message(SEND_ERROR "Release lib for 'Debug' build: ${item}")
endif()
elseif(starts_with_debug EQUAL "0")
if(last_keyword STREQUAL "debug")
# okay
elseif(last_keyword STREQUAL "optimized")
message(SEND_ERROR "Debug lib for 'optimized' keyword: ${item}")
elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
message(SEND_ERROR "Debug lib for 'Release' build: ${item}")
endif()
endif()
set(last_keyword "")
continue()
endforeach()
endforeach()