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ExternalProject: Always run update step with non-empty UPDATE_COMMAND

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The purpose of the `update` step is to run an update on each build
(subject to `UPDATE_DISCONNECTED`).  This is done for version-controlled
source directories.  We should do it for a custom `UPDATE_COMMAND` too.
In particular, when `UPDATE_DISCONNECTED` is used we expect the
`skip-update` step to exist.
This commit is contained in:
Brad King
2016-05-18 14:40:33 -04:00
parent 4f17baccad
commit bdca68388b
2 changed files with 15 additions and 0 deletions
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12
Tests/ExternalProjectUpdate/CMakeLists.txt
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@@ -21,6 +21,18 @@ set_property(DIRECTORY PROPERTY EP_BASE ${base})
set_property(DIRECTORY PROPERTY EP_STEP_TARGETS configure build test)
set_property(DIRECTORY PROPERTY EP_INDEPENDENT_STEP_TARGETS update)
ExternalProject_Add(TestUpdateCommand
SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}
UPDATE_COMMAND ${CMAKE_COMMAND} -E echo update
UPDATE_DISCONNECTED 1
CONFIGURE_COMMAND ""
BUILD_COMMAND ""
INSTALL_COMMAND ""
INDEPENDENT_STEP_TARGETS update
)
add_custom_target(TestUpdateCommandDriver ALL)
add_dependencies(TestUpdateCommandDriver TestUpdateCommand-update)
set(do_git_tests 0)
if(GIT_EXECUTABLE)