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| author | Peter Wu <peter@lekensteyn.nl> | 2017-09-01 00:22:26 +0100 |
|---|---|---|
| committer | Peter Wu <peter@lekensteyn.nl> | 2017-09-01 23:17:24 +0000 |
| commit | 1ef38667197289f585c7315beacb87179c21b1b6 (patch) | |
| tree | 7f5c9c16d388cd2cfd4df8893cf730736cff9eb9 /CMakeLists.txt | |
| parent | e1a591fc746b6d32b68a48b5d80846677ca0fffb (diff) | |
CMake: prevent unnecessary rebuilds due to version.h
Ninja (but not Unix Makefiles or others) require an explicit BYPRODUCTS
command to ensure that the target is executed before evaluating others.
Change-Id: Iccbeb2516f7bf22ffdb444f3261ca58d22897891
Reviewed-on: https://code.wireshark.org/review/23342
Petri-Dish: Peter Wu <peter@lekensteyn.nl>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 5c0fb227b4..cfd4df9457 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1462,7 +1462,15 @@ if (${GIT_EXECUTABLE}) set(GIT_BIN_PARAM "--git-bin ${GIT_EXECUTABLE}") endif() set( VERSION ${PROJECT_VERSION} ) +if(NOT CMAKE_VERSION VERSION_LESS "3.2.1") + # Prevents unnecessary rebuilds by ensuring that dependents are not + # built before make-version.pl finishes (which may touch version.h). + set(version_byproducts BYPRODUCTS version.h) +else() + set(version_byproducts "") +endif() add_custom_target(version + ${version_byproducts} COMMAND ${PERL_EXECUTABLE} ${CMAKE_SOURCE_DIR}/make-version.pl --set-vcs ${GIT_BIN_PARAM} |