ClickHouse/cmake/find/h3.cmake
Konstantin Podshumok 2c9c7c9e95
cmake: USE_INTERNAL_H3_LIBRARY is always ON by default
as I don't know any system with package for it

Signed-off-by: Konstantin Podshumok <kpp.live+signed@gmail.com>
2020-08-25 20:16:40 +03:00

40 lines
1.4 KiB
CMake

option (ENABLE_H3 "Enable H3" ${ENABLE_LIBRARIES})
if(NOT ENABLE_H3)
if(USE_INTERNAL_H3_LIBRARY)
message (${RECONFIGURE_MESSAGE_LEVEL} "Cannot use internal h3 library with ENABLE_H3=OFF")
endif ()
return()
endif()
option(USE_INTERNAL_H3_LIBRARY "Set to FALSE to use system h3 library instead of bundled"
ON) # we are not aware of any distribution that provides h3 package
if(NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/h3/src/h3lib/include/h3Index.h")
if(USE_INTERNAL_H3_LIBRARY)
message(WARNING "submodule contrib/h3 is missing. to fix try run: \n git submodule update --init --recursive")
message(${RECONFIGURE_MESSAGE_LEVEL} "Can't find internal h3 library")
set(USE_INTERNAL_H3_LIBRARY 0)
endif()
set(MISSING_INTERNAL_H3_LIBRARY 1)
endif()
if(NOT USE_INTERNAL_H3_LIBRARY)
find_library(H3_LIBRARY h3)
find_path(H3_INCLUDE_DIR NAMES h3/h3api.h PATHS ${H3_INCLUDE_PATHS})
if(NOT H3_LIBRARY OR NOT H3_INCLUDE_DIR)
message (${RECONFIGURE_MESSAGE_LEVEL} "Can't find system h3 library")
endif()
endif()
if (H3_LIBRARY AND H3_INCLUDE_DIR)
set (USE_H3 1)
elseif(NOT MISSING_INTERNAL_H3_LIBRARY)
set (H3_LIBRARY h3)
set (H3_INCLUDE_DIR "${ClickHouse_SOURCE_DIR}/contrib/h3/src/h3lib/include")
set (USE_H3 1)
set (USE_INTERNAL_H3_LIBRARY 1)
endif()
message (STATUS "Using h3=${USE_H3}: ${H3_INCLUDE_DIR} : ${H3_LIBRARY}")