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-rw-r--r--version.cmake12
1 files changed, 11 insertions, 1 deletions
diff --git a/version.cmake b/version.cmake
index 4dd6db6d4..80f1c40b8 100644
--- a/version.cmake
+++ b/version.cmake
@@ -11,12 +11,22 @@ if ("$Format:$" STREQUAL "")
write_static_version_header("release")
elseif (GIT_FOUND OR Git_FOUND)
message(STATUS "Found Git: ${GIT_EXECUTABLE}")
- add_custom_target(version ALL
+ set(extra_output)
+ if (CMAKE_GENERATOR MATCHES "Ninja")
+ # Ninja will not rerun the command every time if the file doesn't change,
+ # so inject this bogus output so that it always runs.
+ set(extra_output "${CMAKE_SOURCE_DIR}/.force-git-version-check")
+ endif ()
+ add_custom_command(
+ OUTPUT "${CMAKE_BINARY_DIR}/version/version.h"
+ ${extra_output}
COMMAND "${CMAKE_COMMAND}"
"-D" "GIT=${GIT_EXECUTABLE}"
"-D" "TO=${CMAKE_BINARY_DIR}/version/version.h"
"-P" "src/version.cmake"
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}")
+ add_custom_target(version ALL
+ DEPENDS "${CMAKE_BINARY_DIR}/version/version.h")
else()
message(STATUS "WARNING: Git was not found!")
write_static_version_header("unknown")