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Sanitize thirdparty libraries for public flags

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Public flags, especially -Wxx (i.e. -Wno-XX) can hide some warnings,
that had been added in the main cmake rules of ClickHouse.

This patch had been tested manually with the following patch:

    ```patch
    diff --git a/contrib/jemalloc-cmake/CMakeLists.txt b/contrib/jemalloc-cmake/CMakeLists.txt
    index d5ea69d4926..7e79fba0c16 100644
    --- a/contrib/jemalloc-cmake/CMakeLists.txt
    +++ b/contrib/jemalloc-cmake/CMakeLists.txt
    @@ -158,6 +158,7 @@ target_include_directories(_jemalloc SYSTEM PRIVATE
         "${CMAKE_CURRENT_BINARY_DIR}/${JEMALLOC_INCLUDE_PREFIX}/jemalloc/internal")

     target_compile_definitions(_jemalloc PRIVATE -DJEMALLOC_NO_PRIVATE_NAMESPACE)
    +target_compile_options(_jemalloc INTERFACE -Wno-error) # also PUBLIC had been checked

     if (CMAKE_BUILD_TYPE_UC STREQUAL "DEBUG")
         target_compile_definitions(_jemalloc PRIVATE
    ```

And cmake gave:

    CMake Error at cmake/sanitize_targets.cmake:69 (message):
      _jemalloc set INTERFACE_COMPILE_OPTIONS to -Wno-error.  This is forbidden.
    Call Stack (most recent call first):
      cmake/sanitize_targets.cmake:79 (sanitize_interface_flags)
      CMakeLists.txt:595 (include)

Fixes: #12447
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
This commit is contained in:
Azat Khuzhin 2022-11-16 07:20:24 +01:00
parent 4a2c1d29e1
commit c3f3078884
2 changed files with 40 additions and 15 deletions
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2
CMakeLists.txt
View File

@ -592,7 +592,7 @@ add_subdirectory (programs)
add_subdirectory (tests)
add_subdirectory (utils)
include (cmake/sanitize_target_link_libraries.cmake)
include (cmake/sanitize_targets.cmake)
# Build native targets if necessary
get_property(NATIVE_BUILD_TARGETS GLOBAL PROPERTY NATIVE_BUILD_TARGETS)

53
cmake/sanitize_target_link_libraries.cmake → cmake/sanitize_targets.cmake
View File

@ -1,3 +1,13 @@
# https://stackoverflow.com/a/62311397/328260
macro (get_all_targets_recursive targets dir)
get_property (subdirectories DIRECTORY ${dir} PROPERTY SUBDIRECTORIES)
foreach (subdir ${subdirectories})
get_all_targets_recursive (${targets} ${subdir})
endforeach ()
get_property (current_targets DIRECTORY ${dir} PROPERTY BUILDSYSTEM_TARGETS)
list (APPEND ${targets} ${current_targets})
endmacro ()
# When you will try to link target with the directory (that exists), cmake will
# skip this without an error, only the following warning will be reported:
#
@ -18,23 +28,12 @@
# -- but cannot be used with link_libraries()
# - use BUILDSYSTEM_TARGETS property to get list of all targets and sanitize
# -- this will work.
# https://stackoverflow.com/a/62311397/328260
function (get_all_targets var)
set (targets)
get_all_targets_recursive (targets ${CMAKE_CURRENT_SOURCE_DIR})
set (${var} ${targets} PARENT_SCOPE)
endfunction()
macro (get_all_targets_recursive targets dir)
get_property (subdirectories DIRECTORY ${dir} PROPERTY SUBDIRECTORIES)
foreach (subdir ${subdirectories})
get_all_targets_recursive (${targets} ${subdir})
endforeach ()
get_property (current_targets DIRECTORY ${dir} PROPERTY BUILDSYSTEM_TARGETS)
list (APPEND ${targets} ${current_targets})
endmacro ()
macro (sanitize_link_libraries target)
function (sanitize_link_libraries target)
get_target_property(target_type ${target} TYPE)
if (${target_type} STREQUAL "INTERFACE_LIBRARY")
get_property(linked_libraries TARGET ${target} PROPERTY INTERFACE_LINK_LIBRARIES)
@ -48,9 +47,35 @@ macro (sanitize_link_libraries target)
message(FATAL_ERROR "${target} requested to link with directory: ${linked_library}")
endif()
endforeach()
endmacro()
endfunction()
get_all_targets (all_targets)
foreach (target ${all_targets})
sanitize_link_libraries(${target})
endforeach()
#
# Do not allow to define -W* from contrib publically (INTERFACE/PUBLIC).
#
function (get_contrib_targets var)
set (targets)
get_all_targets_recursive (targets ${CMAKE_CURRENT_SOURCE_DIR}/contrib)
set (${var} ${targets} PARENT_SCOPE)
endfunction()
function (sanitize_interface_flags target)
get_target_property(target_type ${target} TYPE)
get_property(compile_definitions TARGET ${target} PROPERTY INTERFACE_COMPILE_DEFINITIONS)
get_property(compile_options TARGET ${target} PROPERTY INTERFACE_COMPILE_OPTIONS)
if (NOT "${compile_options}" STREQUAL "")
message(FATAL_ERROR "${target} set INTERFACE_COMPILE_OPTIONS to ${compile_options}. This is forbidden.")
endif()
if ("${compile_definitions}" MATCHES "-Wl,")
# linker option - OK
elseif ("${compile_definitions}" MATCHES "-W")
message(FATAL_ERROR "${target} contains ${compile_definitions} flags in INTERFACE_COMPILE_DEFINITIONS. This is forbidden.")
endif()
endfunction()
get_contrib_targets (contrib_targets)
foreach (contrib_target ${contrib_targets})
sanitize_interface_flags(${contrib_target})
endforeach()