diff options
Diffstat (limited to 'Modules/FetchContent.cmake')
| -rw-r--r-- | Modules/FetchContent.cmake | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Modules/FetchContent.cmake b/Modules/FetchContent.cmake index 40cc362..c81b371 100644 --- a/Modules/FetchContent.cmake +++ b/Modules/FetchContent.cmake @@ -1053,7 +1053,14 @@ function(FetchContent_Populate contentName) # so no population is required. The build directory may still be specified # by the declared details though. - if(NOT EXISTS "${FETCHCONTENT_SOURCE_DIR_${contentNameUpper}}") + if(NOT IS_ABSOLUTE "${FETCHCONTENT_SOURCE_DIR_${contentNameUpper}}") + # Don't check this directory because we don't know what location it is + # expected to be relative to. We can't make this a hard error for backward + # compatibility reasons. + message(WARNING "Relative source directory specified. This is not safe, " + "as it depends on the calling directory scope.\n" + " FETCHCONTENT_SOURCE_DIR_${contentNameUpper} --> ${FETCHCONTENT_SOURCE_DIR_${contentNameUpper}}") + elseif(NOT EXISTS "${FETCHCONTENT_SOURCE_DIR_${contentNameUpper}}") message(FATAL_ERROR "Manually specified source directory is missing:\n" " FETCHCONTENT_SOURCE_DIR_${contentNameUpper} --> ${FETCHCONTENT_SOURCE_DIR_${contentNameUpper}}") endif() |