vcpkg/scripts/ports.cmake
Kai Pastor 47633daa65
[vcpkg-scripts] Catch use of ambiguous cmake vars (#34546)
Avoid wrong use of popular but ambiguous variables (`WIN32` etc.) in
scripts and portfiles by detection in CI.

Sometimes the variables are used wrongly, and sometimes this isn't
caught in PR review. This PR tries to catch those variables (when in the
active code path in script mode). [This can happen to every
contributor](https://github.com/microsoft/vcpkg/pull/34356#discussion_r1360074122),
even if he/she knows the rules ... vcpkg is raising the bar higher than
usual, having to deal with targets and hosts even in script mode.

(`b2-options.cmake` (boost fragment) shows where we get if we don't pay
attention: the same code being used in script mode (`WIN32` meaning
host) and in project mode (`WIN32` meaning target).)

The new check doesn't break any user builds because it relies on command
line options. However it changes the ABI hashes.
2024-06-14 11:40:01 -07:00

242 lines
10 KiB
CMake

cmake_minimum_required(VERSION 3.21)
# Remove CMAKE_ variables from the script call
foreach(i RANGE 0 "${CMAKE_ARGC}")
unset(CMAKE_ARGV${i})
endforeach()
unset(CMAKE_ARGN)
unset(CMAKE_ARGC)
unset(i)
# These don't make sense in script context
unset(CMAKE_BINARY_DIR)
unset(CMAKE_SOURCE_DIR)
unset(CMAKE_CURRENT_BINARY_DIR)
unset(CMAKE_CURRENT_SOURCE_DIR)
unset(CMAKE_FILES_DIRECTORY)
# Minimum CMake version is forced within vcpkg
unset(CMAKE_MINIMUM_REQUIRED_VERSION)
# CMAKE_VERSION is enough for doing version checks
unset(CMAKE_MAJOR_VERSION)
unset(CMAKE_MINOR_VERSION)
unset(CMAKE_PATCH_VERSION)
unset(CMAKE_TWEAK_VERSION)
set(SCRIPTS "${CMAKE_CURRENT_LIST_DIR}" CACHE PATH "Location to stored scripts")
list(APPEND CMAKE_MODULE_PATH "${SCRIPTS}/cmake")
# Increment this number if we intentionally need to invalidate all binary caches due a change in
# the following scripts: 1
include("${SCRIPTS}/cmake/execute_process.cmake")
include("${SCRIPTS}/cmake/vcpkg_acquire_msys.cmake")
include("${SCRIPTS}/cmake/vcpkg_add_to_path.cmake")
include("${SCRIPTS}/cmake/vcpkg_apply_patches.cmake")
include("${SCRIPTS}/cmake/vcpkg_backup_restore_env_vars.cmake")
include("${SCRIPTS}/cmake/vcpkg_build_cmake.cmake")
include("${SCRIPTS}/cmake/vcpkg_build_make.cmake")
include("${SCRIPTS}/cmake/vcpkg_build_msbuild.cmake")
include("${SCRIPTS}/cmake/vcpkg_build_ninja.cmake")
include("${SCRIPTS}/cmake/vcpkg_build_nmake.cmake")
include("${SCRIPTS}/cmake/vcpkg_build_qmake.cmake")
include("${SCRIPTS}/cmake/vcpkg_buildpath_length_warning.cmake")
include("${SCRIPTS}/cmake/vcpkg_check_features.cmake")
include("${SCRIPTS}/cmake/vcpkg_check_linkage.cmake")
include("${SCRIPTS}/cmake/vcpkg_clean_executables_in_bin.cmake")
include("${SCRIPTS}/cmake/vcpkg_clean_msbuild.cmake")
include("${SCRIPTS}/cmake/vcpkg_configure_cmake.cmake")
include("${SCRIPTS}/cmake/vcpkg_configure_gn.cmake")
include("${SCRIPTS}/cmake/vcpkg_configure_make.cmake")
include("${SCRIPTS}/cmake/vcpkg_configure_meson.cmake")
include("${SCRIPTS}/cmake/vcpkg_configure_qmake.cmake")
include("${SCRIPTS}/cmake/vcpkg_copy_pdbs.cmake")
include("${SCRIPTS}/cmake/vcpkg_copy_tool_dependencies.cmake")
include("${SCRIPTS}/cmake/vcpkg_copy_tools.cmake")
include("${SCRIPTS}/cmake/vcpkg_download_distfile.cmake")
include("${SCRIPTS}/cmake/vcpkg_download_sourceforge.cmake")
include("${SCRIPTS}/cmake/vcpkg_execute_build_process.cmake")
include("${SCRIPTS}/cmake/vcpkg_execute_required_process.cmake")
include("${SCRIPTS}/cmake/vcpkg_execute_required_process_repeat.cmake")
include("${SCRIPTS}/cmake/vcpkg_extract_archive.cmake")
include("${SCRIPTS}/cmake/vcpkg_extract_source_archive.cmake")
include("${SCRIPTS}/cmake/vcpkg_extract_source_archive_ex.cmake")
include("${SCRIPTS}/cmake/vcpkg_fail_port_install.cmake")
include("${SCRIPTS}/cmake/vcpkg_find_acquire_program.cmake")
include("${SCRIPTS}/cmake/vcpkg_fixup_cmake_targets.cmake")
include("${SCRIPTS}/cmake/vcpkg_fixup_pkgconfig.cmake")
include("${SCRIPTS}/cmake/vcpkg_from_bitbucket.cmake")
include("${SCRIPTS}/cmake/vcpkg_from_git.cmake")
include("${SCRIPTS}/cmake/vcpkg_from_github.cmake")
include("${SCRIPTS}/cmake/vcpkg_from_gitlab.cmake")
include("${SCRIPTS}/cmake/vcpkg_from_sourceforge.cmake")
include("${SCRIPTS}/cmake/vcpkg_get_program_files_platform_bitness.cmake")
include("${SCRIPTS}/cmake/vcpkg_get_windows_sdk.cmake")
include("${SCRIPTS}/cmake/vcpkg_host_path_list.cmake")
include("${SCRIPTS}/cmake/vcpkg_install_cmake.cmake")
include("${SCRIPTS}/cmake/vcpkg_install_copyright.cmake")
include("${SCRIPTS}/cmake/vcpkg_install_gn.cmake")
include("${SCRIPTS}/cmake/vcpkg_install_make.cmake")
include("${SCRIPTS}/cmake/vcpkg_install_meson.cmake")
include("${SCRIPTS}/cmake/vcpkg_install_msbuild.cmake")
include("${SCRIPTS}/cmake/vcpkg_install_nmake.cmake")
include("${SCRIPTS}/cmake/vcpkg_install_qmake.cmake")
include("${SCRIPTS}/cmake/vcpkg_list.cmake")
include("${SCRIPTS}/cmake/vcpkg_minimum_required.cmake")
include("${SCRIPTS}/cmake/vcpkg_replace_string.cmake")
include("${SCRIPTS}/cmake/vcpkg_test_cmake.cmake")
include("${SCRIPTS}/cmake/z_vcpkg_apply_patches.cmake")
include("${SCRIPTS}/cmake/z_vcpkg_forward_output_variable.cmake")
include("${SCRIPTS}/cmake/z_vcpkg_function_arguments.cmake")
include("${SCRIPTS}/cmake/z_vcpkg_get_cmake_vars.cmake")
include("${SCRIPTS}/cmake/z_vcpkg_prettify_command_line.cmake")
include("${SCRIPTS}/cmake/z_vcpkg_setup_pkgconfig_path.cmake")
include("${SCRIPTS}/cmake/z_vcpkg_fixup_rpath.cmake")
function(debug_message)
if(PORT_DEBUG)
z_vcpkg_function_arguments(ARGS)
list(JOIN ARGS " " ARG_STRING)
message(STATUS "[DEBUG] " "${ARG_STRING}")
endif()
endfunction()
function(z_vcpkg_deprecation_message)
z_vcpkg_function_arguments(ARGS)
list(JOIN ARGS " " ARG_STRING)
message(DEPRECATION "${ARG_STRING}")
endfunction()
option(_VCPKG_PROHIBIT_BACKCOMPAT_FEATURES "Controls whether use of a backcompat only support feature fails the build.")
if (_VCPKG_PROHIBIT_BACKCOMPAT_FEATURES)
set(Z_VCPKG_BACKCOMPAT_MESSAGE_LEVEL "FATAL_ERROR")
else()
set(Z_VCPKG_BACKCOMPAT_MESSAGE_LEVEL "WARNING")
endif()
vcpkg_minimum_required(VERSION 2022-10-12)
file(TO_CMAKE_PATH "${BUILDTREES_DIR}" BUILDTREES_DIR)
file(TO_CMAKE_PATH "${PACKAGES_DIR}" PACKAGES_DIR)
set(CURRENT_INSTALLED_DIR "${_VCPKG_INSTALLED_DIR}/${TARGET_TRIPLET}" CACHE PATH "Location to install final packages")
if(PORT)
set(CURRENT_BUILDTREES_DIR "${BUILDTREES_DIR}/${PORT}")
set(CURRENT_PACKAGES_DIR "${PACKAGES_DIR}/${PORT}_${TARGET_TRIPLET}")
endif()
if(CMD STREQUAL "BUILD")
set(CMAKE_TRIPLET_FILE "${TARGET_TRIPLET_FILE}")
if(NOT EXISTS "${CMAKE_TRIPLET_FILE}")
message(FATAL_ERROR "Unsupported target triplet. Triplet file does not exist: ${CMAKE_TRIPLET_FILE}")
endif()
if(NOT DEFINED CURRENT_PORT_DIR)
message(FATAL_ERROR "CURRENT_PORT_DIR was not defined")
endif()
file(TO_CMAKE_PATH "${CURRENT_PORT_DIR}" CURRENT_PORT_DIR)
if(NOT EXISTS "${CURRENT_PORT_DIR}")
message(FATAL_ERROR "Cannot find port: ${PORT}\n Directory does not exist: ${CURRENT_PORT_DIR}")
endif()
if(NOT EXISTS "${CURRENT_PORT_DIR}/portfile.cmake")
message(FATAL_ERROR "Port is missing portfile: ${CURRENT_PORT_DIR}/portfile.cmake")
endif()
if(NOT EXISTS "${CURRENT_PORT_DIR}/CONTROL" AND NOT EXISTS "${CURRENT_PORT_DIR}/vcpkg.json")
message(FATAL_ERROR "Port is missing control or manifest file: ${CURRENT_PORT_DIR}/{CONTROL,vcpkg.json}")
endif()
unset(PACKAGES_DIR)
unset(BUILDTREES_DIR)
if(EXISTS "${CURRENT_PACKAGES_DIR}")
file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}")
if(EXISTS "${CURRENT_PACKAGES_DIR}")
message(FATAL_ERROR "Unable to remove directory: ${CURRENT_PACKAGES_DIR}\n Files are likely in use.")
endif()
endif()
file(MAKE_DIRECTORY "${CURRENT_BUILDTREES_DIR}" "${CURRENT_PACKAGES_DIR}")
include("${CMAKE_TRIPLET_FILE}")
set(HOST_TRIPLET "${_HOST_TRIPLET}")
set(CURRENT_HOST_INSTALLED_DIR "${_VCPKG_INSTALLED_DIR}/${HOST_TRIPLET}" CACHE PATH "Location to install final packages for the host")
set(TRIPLET_SYSTEM_ARCH "${VCPKG_TARGET_ARCHITECTURE}")
include("${SCRIPTS}/cmake/vcpkg_common_definitions.cmake")
function(z_vcpkg_warn_ambiguous_system_variables VARIABLE ACCESS VALUE POS STACK)
message("${Z_VCPKG_BACKCOMPAT_MESSAGE_LEVEL}" "Unexpected ${ACCESS} on variable ${VARIABLE} in script mode.
This variable name insufficiently expresses whether it refers to the \
target system or to the host system. Use a prefixed variable instead.
- Variables providing information about the host:
CMAKE_HOST_<SYSTEM>
VCPKG_HOST_IS_<SYSTEM>
- Variables providing information about the target:
VCPKG_TARGET_IS_<SYSTEM>
VCPKG_DETECTED_<VARIABLE> (using vcpkg_cmake_get_vars)
")
endfunction()
foreach(var IN ITEMS ANDROID APPLE BSD IOS LINUX MINGW MSVC UNIX WIN32)
variable_watch("${var}" z_vcpkg_warn_ambiguous_system_variables)
endforeach()
if (DEFINED VCPKG_PORT_CONFIGS)
foreach(VCPKG_PORT_CONFIG IN LISTS VCPKG_PORT_CONFIGS)
include("${VCPKG_PORT_CONFIG}")
endforeach()
endif()
set(Z_VCPKG_ERROR_LOG_COLLECTION_FILE "${CURRENT_BUILDTREES_DIR}/error-logs-${TARGET_TRIPLET}.txt")
file(REMOVE "${Z_VCPKG_ERROR_LOG_COLLECTION_FILE}")
include("${CURRENT_PORT_DIR}/portfile.cmake")
if(DEFINED PORT)
# Always fixup RPATH on linux unless explicitly disabled.
if(VCPKG_FIXUP_ELF_RPATH OR (VCPKG_TARGET_IS_LINUX AND NOT DEFINED VCPKG_FIXUP_ELF_RPATH))
z_vcpkg_fixup_rpath_in_dir()
endif()
include("${SCRIPTS}/build_info.cmake")
endif()
elseif(CMD STREQUAL "CREATE")
if(NOT DEFINED PORT_PATH)
set(PORT_PATH "${VCPKG_ROOT_DIR}/ports/${PORT}")
endif()
file(TO_NATIVE_PATH "${PORT_PATH}" NATIVE_PORT_PATH)
set(PORTFILE_PATH "${PORT_PATH}/portfile.cmake")
file(TO_NATIVE_PATH "${PORTFILE_PATH}" NATIVE_PORTFILE_PATH)
set(MANIFEST_PATH "${PORT_PATH}/vcpkg.json")
file(TO_NATIVE_PATH "${MANIFEST_PATH}" NATIVE_MANIFEST_PATH)
if(EXISTS "${PORTFILE_PATH}")
message(FATAL_ERROR "Portfile already exists: '${NATIVE_PORTFILE_PATH}'")
endif()
if(NOT FILENAME)
get_filename_component(FILENAME "${URL}" NAME)
endif()
string(REGEX REPLACE "(\\.(zip|gz|tar|tgz|bz2))+\$" "" ROOT_NAME "${FILENAME}")
set(DOWNLOAD_PATH "${DOWNLOADS}/${FILENAME}")
file(TO_NATIVE_PATH "${DOWNLOAD_PATH}" NATIVE_DOWNLOAD_PATH)
if(EXISTS "${DOWNLOAD_PATH}")
message(STATUS "Using pre-downloaded: ${NATIVE_DOWNLOAD_PATH}")
message(STATUS "If this is not desired, delete the file and ${NATIVE_PORT_PATH}")
else()
message(STATUS "Downloading ${URL} -> ${FILENAME}...")
file(DOWNLOAD "${URL}" "${DOWNLOAD_PATH}" STATUS download_status)
list(GET download_status 0 status_code)
if(NOT "${download_status}" EQUAL "0")
message(FATAL_ERROR "Downloading ${URL}... Failed. Status: ${download_status}")
endif()
endif()
file(SHA512 "${DOWNLOAD_PATH}" SHA512)
file(MAKE_DIRECTORY "${PORT_PATH}")
configure_file("${SCRIPTS}/templates/portfile.in.cmake" "${PORTFILE_PATH}" @ONLY)
configure_file("${SCRIPTS}/templates/vcpkg.json.in" "${MANIFEST_PATH}" @ONLY)
message(STATUS "Generated portfile: ${NATIVE_PORTFILE_PATH}")
message(STATUS "Generated manifest: ${NATIVE_MANIFEST_PATH}")
message(STATUS "To launch an editor for these new files, run")
message(STATUS " .\\vcpkg edit ${PORT}")
endif()