set(ENV_PATH "$ENV{PATH}") | |
foreach(path "/does_not_exist" "" "/bin" "/sbin") | |
unset(PrefixInPATH_INCLUDE_DIR CACHE) | |
set(ENV{PATH} "${CMAKE_CURRENT_SOURCE_DIR}${path}") | |
find_file(PrefixInPATH_INCLUDE_DIR NAMES PrefixInPATH.h) | |
message(STATUS "PrefixInPATH_INCLUDE_DIR='${PrefixInPATH_INCLUDE_DIR}'") | |
endforeach() | |
set(ENV{PATH} "${ENV_PATH}") |