diff options
| author | Joerg Bornemann <joerg.bornemann@qt.io> | 2020-10-06 15:23:05 +0200 |
|---|---|---|
| committer | Joerg Bornemann <joerg.bornemann@qt.io> | 2020-10-07 13:26:01 +0200 |
| commit | 3cb4f45ca8476aee0e67caae159d3fbb80354c54 (patch) | |
| tree | 41bf3205551430eb79caf3c193990cd512f6982b /cmake | |
| parent | 9ef4411d81ddab7a8d3ea46b0323fa5287806ea1 (diff) | |
CMake: Introduce QT_CHAINLOAD_TOOLCHAIN_FILE
This variable can be set when using qt-cmake[-private] to override the
CMake toolchain file that is chainloaded by Qt's toolchain file.
Task-number: QTBUG-87068
Change-Id: Id529408381e4174becda1ba07a489535c8cf1314
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/README.md | 2 | ||||
| -rw-r--r-- | cmake/qt.toolchain.cmake.in | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/cmake/README.md b/cmake/README.md index 3ac875605f..54c5f1094e 100644 --- a/cmake/README.md +++ b/cmake/README.md @@ -262,6 +262,8 @@ A Qt installation's bin directory contains a number of convenience scripts. This is a wrapper around the CMake executable which passes a Qt-internal `CMAKE_TOOLCHAIN_FILE`. Use this to build projects against the installed Qt. +To use a custom toolchain file, use `-DQT_CHAINLOAD_TOOLCHAIN_FILE=<file path>`. + ## qt-cmake-private The same as `qt-cmake`, but in addition, sets the CMake generator to Ninja. diff --git a/cmake/qt.toolchain.cmake.in b/cmake/qt.toolchain.cmake.in index c76c89c116..fcc31eea0c 100644 --- a/cmake/qt.toolchain.cmake.in +++ b/cmake/qt.toolchain.cmake.in @@ -4,6 +4,9 @@ @init_qt_host_path_cmake_dir@ @init_original_toolchain_file@ @init_vcpkg@ +if(NOT "${QT_CHAINLOAD_TOOLCHAIN_FILE}" STREQUAL "") + set(__qt_chainload_toolchain_file "${QT_CHAINLOAD_TOOLCHAIN_FILE}") +endif() if(__qt_chainload_toolchain_file) get_filename_component(__qt_chainload_toolchain_file_real_path "${__qt_chainload_toolchain_file}" REALPATH) |