set (ICU_PATHS "/usr/local/opt/icu4c/lib")
set (ICU_INCLUDE_PATHS "/usr/local/opt/icu4c/include")
find_library (ICUI18N icui18n PATHS ${ICU_PATHS})
find_library (ICUUC icuuc PATHS ${ICU_PATHS})
find_library (ICUDATA icudata PATHS ${ICU_PATHS})
set (ICU_LIBS ${ICUI18N} ${ICUUC} ${ICUDATA})

find_path (ICU_INCLUDE_DIR NAMES unicode/unistr.h PATHS ${ICU_INCLUDE_PATHS})
message(STATUS "Using icu: ${ICU_INCLUDE_DIR} : ${ICU_LIBS}")
include_directories (${ICU_INCLUDE_DIR})