cmake_modules/FindCctz.cmake

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# - Find Cctz (headers and libcctz.a) with CCTZ_ROOT hinting a location
# This module defines
#  CCTZ_INCLUDE_DIR, directory containing headers
#  CCTZ_STATIC_LIB, path to libcctz.a
#  CCTZ_FOUND
set(CCTZ_SEARCH_HEADER_PATHS ${CCTZ_ROOT}/include)

set(CCTZ_SEARCH_LIB_PATH ${CCTZ_ROOT}/lib)

find_path(CCTZ_INCLUDE_DIR NAMES cctz/civil_time.h civil_time.h PATHS
  ${CCTZ_SEARCH_HEADER_PATHS}
  # make sure we don't accidentally pick up a different version
  NO_DEFAULT_PATH)

find_library(CCTZ_STATIC_LIB NAMES libcctz.a PATHS ${CCTZ_SEARCH_LIB_PATH})

if(NOT CCTZ_STATIC_LIB)
  message(FATAL_ERROR "Cctz includes and libraries NOT found. "
    "Looked for headers in ${CCTZ_SEARCH_HEADER_PATHS}, "
    "and for libs in ${CCTZ_SEARCH_LIB_PATH}")
  set(CCTZ_FOUND FALSE)
else()
  set(CCTZ_FOUND TRUE)
endif ()

set(CCTZ_FOUND ${CCTZ_STATIC_LIB_FOUND})

mark_as_advanced(
  CCTZ_INCLUDE_DIR
  CCTZ_STATIC_LIB
  CCTZ_FOUND
)