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build: older git versions don't have '-C' flag

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xiphon 2018-10-30 05:04:57 +00:00
parent 4cbb476cd1
commit 8a7e20f8a5
1 changed files with 2 additions and 2 deletions
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4
CMakeLists.txt
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@ -176,8 +176,8 @@ if(NOT MANUAL_SUBMODULES)
find_package(Git)
if(GIT_FOUND)
function (check_submodule relative_path)
execute_process(COMMAND git -C ${relative_path} rev-parse "HEAD" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} OUTPUT_VARIABLE localHead)
execute_process(COMMAND git rev-parse "HEAD:${relative_path}" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} OUTPUT_VARIABLE checkedHead)
execute_process(COMMAND git rev-parse "HEAD" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${relative_path} OUTPUT_VARIABLE localHead)
execute_process(COMMAND git rev-parse "HEAD:${relative_path}" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} OUTPUT_VARIABLE checkedHead)
string(COMPARE EQUAL "${localHead}" "${checkedHead}" upToDate)
if (upToDate)
message(STATUS "Submodule '${relative_path}' is up-to-date")