diff options
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/FetchContent.cmake | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Modules/FetchContent.cmake b/Modules/FetchContent.cmake index 27070c0..d016fb5 100644 --- a/Modules/FetchContent.cmake +++ b/Modules/FetchContent.cmake @@ -364,6 +364,18 @@ Commands FetchContent_Declare(other ...) FetchContent_MakeAvailable(uses_other other) + Note that :variable:`CMAKE_VERIFY_INTERFACE_HEADER_SETS` is explicitly set + to false upon entry to ``FetchContent_MakeAvailable()``, and is restored to + its original value before the command returns. Developers typically only + want to verify header sets from the main project, not those from any + dependencies. This local manipulation of the + :variable:`CMAKE_VERIFY_INTERFACE_HEADER_SETS` variable provides that + intuitive behavior. You can use variables like + :variable:`CMAKE_PROJECT_INCLUDE` or + :variable:`CMAKE_PROJECT_<PROJECT-NAME>_INCLUDE` to turn verification back + on for all or some dependencies. You can also set the + :prop_tgt:`VERIFY_INTERFACE_HEADER_SETS` property of individual targets. + .. command:: FetchContent_Populate .. note:: @@ -1814,6 +1826,13 @@ endfunction() # calls will be available to the caller. macro(FetchContent_MakeAvailable) + # We must append an item, even if the variable is unset, so prefix its value. + # We will strip that prefix when we pop the value at the end of the macro. + list(APPEND __cmake_fcCurrentVarsStack + "__fcprefix__${CMAKE_VERIFY_INTERFACE_HEADER_SETS}" + ) + set(CMAKE_VERIFY_INTERFACE_HEADER_SETS FALSE) + get_property(__cmake_providerCommand GLOBAL PROPERTY __FETCHCONTENT_MAKEAVAILABLE_SERIAL_PROVIDER ) @@ -1965,10 +1984,18 @@ macro(FetchContent_MakeAvailable) endif() endforeach() + # Prefix will be "__fcprefix__" + list(POP_BACK __cmake_fcCurrentVarsStack __cmake_original_verify_setting) + string(SUBSTRING "${__cmake_original_verify_setting}" + 12 -1 __cmake_original_verify_setting + ) + set(CMAKE_VERIFY_INTERFACE_HEADER_SETS ${__cmake_original_verify_setting}) + # clear local variables to prevent leaking into the caller's scope unset(__cmake_contentName) unset(__cmake_contentNameLower) unset(__cmake_contentNameUpper) unset(__cmake_providerCommand) + unset(__cmake_original_verify_setting) endmacro() |