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# Populates all declared FetchContent projects. Use this once after everything is set up:
#
# FetchContent_Declare(zlib ...)
# FetchContent_Declare(libpng ...)
# make_available(zlib libpng)
function(make_available)
foreach(DEPNAME IN LISTS ARGN)
string(TOLOWER "${DEPNAME}" DEPNAME)
FetchContent_GetProperties(${DEPNAME})
if(NOT ${DEPNAME}_POPULATED)
FetchContent_Populate(${DEPNAME})
add_subdirectory(${${DEPNAME}_SOURCE_DIR} ${${DEPNAME}_BINARY_DIR} EXCLUDE_FROM_ALL)
endif()
endforeach()
endfunction()
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