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Diffstat (limited to 'cmake/module/WarnAboutGlobalProperties.cmake')
| -rw-r--r-- | cmake/module/WarnAboutGlobalProperties.cmake | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/cmake/module/WarnAboutGlobalProperties.cmake b/cmake/module/WarnAboutGlobalProperties.cmake new file mode 100644 index 0000000000..faa56a2a7f --- /dev/null +++ b/cmake/module/WarnAboutGlobalProperties.cmake @@ -0,0 +1,36 @@ +# Copyright (c) 2023-present The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or https://opensource.org/license/mit/. + +include_guard(GLOBAL) + +# Avoid the directory-wide add_definitions() and add_compile_definitions() commands. +# Instead, prefer the target-specific target_compile_definitions() one. +get_directory_property(global_compile_definitions COMPILE_DEFINITIONS) +if(global_compile_definitions) + message(AUTHOR_WARNING "The directory's COMPILE_DEFINITIONS property is not empty: ${global_compile_definitions}") +endif() + +# Avoid the directory-wide add_compile_options() command. +# Instead, prefer the target-specific target_compile_options() one. +get_directory_property(global_compile_options COMPILE_OPTIONS) +if(global_compile_options) + message(AUTHOR_WARNING "The directory's COMPILE_OPTIONS property is not empty: ${global_compile_options}") +endif() + +# Avoid the directory-wide add_link_options() command. +# Instead, prefer the target-specific target_link_options() one. +get_directory_property(global_link_options LINK_OPTIONS) +if(global_link_options) + message(AUTHOR_WARNING "The directory's LINK_OPTIONS property is not empty: ${global_link_options}") +endif() + +# Avoid the directory-wide link_libraries() command. +# Instead, prefer the target-specific target_link_libraries() one. +file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/dummy_cxx_source.cpp "#error") +add_library(check_loose_linked_libraries OBJECT EXCLUDE_FROM_ALL ${CMAKE_CURRENT_BINARY_DIR}/dummy_cxx_source.cpp) +set_target_properties(check_loose_linked_libraries PROPERTIES EXPORT_COMPILE_COMMANDS OFF) +get_target_property(global_linked_libraries check_loose_linked_libraries LINK_LIBRARIES) +if(global_linked_libraries) + message(AUTHOR_WARNING "There are libraries linked with `link_libraries` commands: ${global_linked_libraries}") +endif() |