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| author | Brad King <brad.king@kitware.com> | 2017-10-10 07:59:19 -0400 |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2017-10-11 08:19:58 -0400 |
| commit | 491d2108983990eeda7d91dbc958a7fa9060659f (patch) | |
| tree | bdf19904e588a1f1dacbf49ea9776a8ff0ffd23c /Modules/ExternalProject.cmake | |
| parent | a91eb5e41f486628910f189bf40403568af013c7 (diff) | |
| download | cmake-491d2108983990eeda7d91dbc958a7fa9060659f.tar.gz | |
ExternalProject: Avoid if() auto-dereferene in quoted arguments
The implementation of this module doesn't expect such dereferences
to happen, but can when a project sets a variable called `x`.
Set `CMP0054` explicitly to get its NEW behavior.
Fixes: #17335
Diffstat (limited to 'Modules/ExternalProject.cmake')
| -rw-r--r-- | Modules/ExternalProject.cmake | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Modules/ExternalProject.cmake b/Modules/ExternalProject.cmake index 76f5080d0d..419c9d67b0 100644 --- a/Modules/ExternalProject.cmake +++ b/Modules/ExternalProject.cmake @@ -854,6 +854,9 @@ The custom step could then be triggered from the main build like so:: #]=======================================================================] +cmake_policy(PUSH) +cmake_policy(SET CMP0054 NEW) # if() quoted variables not dereferenced + # Pre-compute a regex to match documented keywords for each command. math(EXPR _ep_documentation_line_count "${CMAKE_CURRENT_LIST_LINE} - 4") file(STRINGS "${CMAKE_CURRENT_LIST_FILE}" lines @@ -3035,3 +3038,5 @@ function(ExternalProject_Add name) # _ep_add_test_command(${name}) endfunction() + +cmake_policy(POP) |