if pkg-config is available and is aware of icu, append the output of pkg-config icu-<component> --variable=prefix (variable ${PC_ICU_PRIVATE_VAR_NS}_PREFIX) to HINTS of all find_*
if pkg-config is available and is aware of icu, append the output of
pkg-config icu-<component> --variable=prefix (variable ${PC_ICU_PRIVATE_VAR_NS}_PREFIX)
to HINTS of all find_*

julp/FindICU.cmake,julp/FindICU.cmake,julp/FindICU.cmake