SystemC-Components-Test/cmake/Submodules.cmake

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2017-09-17 15:06:10 +02:00
if(EXISTS "${PROJECT_SOURCE_DIR}/.gitmodules")
message(STATUS "Updating submodules to their latest/fixed versions")
message(STATUS "(this can take a while, please be patient)")
### First, get all submodules in
if(${GIT_SUBMODULES_CHECKOUT_QUIET})
execute_process(
COMMAND git submodule update --init --recursive
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
OUTPUT_QUIET
ERROR_QUIET
)
else()
execute_process(
COMMAND git submodule update --init --recursive
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
)
endif()
### Then, checkout each submodule to the specified commit
# Note: Execute separate processes here, to make sure each one is run,
# should one crash (because of branch not existing, this, that ... whatever)
foreach(GIT_SUBMODULE ${GIT_SUBMODULES})
if( "${GIT_SUBMODULE_VERSION_${GIT_SUBMODULE}}" STREQUAL "" )
message(STATUS "no specific version given for submodule ${GIT_SUBMODULE}, checking out master")
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if( "${GIT_SUBMODULE_BRANCH_${GIT_SUBMODULE}}" STREQUAL "" )
set(GIT_SUBMODULE_VERSION_${GIT_SUBMODULE} "master")
else()
set(GIT_SUBMODULE_VERSION_${GIT_SUBMODULE} ${GIT_SUBMODULE_BRANCH_${GIT_SUBMODULE}})
endif()
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endif()
if( "${GIT_SUBMODULE_DIR_${GIT_SUBMODULE}}" STREQUAL "" )
set(GIT_SUBMODULES_DIRECTORY external)
else()
set(GIT_SUBMODULES_DIRECTORY ${GIT_SUBMODULE_DIR_${GIT_SUBMODULE}})
endif()
if(${GIT_SUBMODULES_CHECKOUT_QUIET})
execute_process(
COMMAND git checkout ${GIT_SUBMODULE_VERSION_${GIT_SUBMODULE}}
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/${GIT_SUBMODULES_DIRECTORY}/${GIT_SUBMODULE}
OUTPUT_QUIET
ERROR_QUIET
)
else()
message(STATUS "checking out ${GIT_SUBMODULE}'s commit/tag ${GIT_SUBMODULE_VERSION_${GIT_SUBMODULE}}")
execute_process(
COMMAND git checkout ${GIT_SUBMODULE_VERSION_${GIT_SUBMODULE}}
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/${GIT_SUBMODULES_DIRECTORY}/${GIT_SUBMODULE}
)
endif()
endforeach(${GIT_SUBMODULE})
endif()