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tools: fix make_json_list to return empty json list for empty cmake list

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Currently make_json_list() returns '[ "" ]' for empty cmake list. Fix this
so empty json list is returned instead.

Signed-off-by: Frantisek Hrbata <frantisek.hrbata@espressif.com>
This commit is contained in:
Frantisek Hrbata 2023-04-14 14:52:21 +02:00
parent 1f06806271
commit 483b7ae763
1 changed files with 6 additions and 1 deletions
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7
tools/cmake/utilities.cmake
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@ -172,7 +172,12 @@ endfunction()
# Convert a CMake list to a JSON list and store it in a variable
function(make_json_list list variable)
string(REPLACE ";" "\", \"" result "[ \"${list}\" ]")
list(LENGTH list length)
if(${length})
string(REPLACE ";" "\", \"" result "[ \"${list}\" ]")
else()
set(result "[]")
endif()
set("${variable}" "${result}" PARENT_SCOPE)
endfunction()