cmake_minimum_required(VERSION 2.6)
cmake_policy(VERSION 2.6)

project(xxhash)

set(XXHASH_LIB_VERSION "0.6.3")
set(XXHASH_LIB_SOVERSION "0")

option(BUILD_XXHSUM "Build the xxhsum binary" ON)
option(BUILD_SHARED_LIBS "Build shared library" ON)

# Make CMake's RPATH handling not be insane. This suff has cmake set rpaths appropriately for
# where things end up in the install tree. For some reason that's not the default:
# https://cmake.org/Wiki/CMake_RPATH_handling
SET(CMAKE_SKIP_BUILD_RPATH FALSE)
SET(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)

# Where we search for shared libraries
SET(CMAKE_INSTALL_RPATH "./lib")

# add the automatically determined parts of the RPATH
# which point to directories outside the build tree to the install RPATH
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)

add_library(xxhash ../xxhash.c)
set_target_properties(xxhash PROPERTIES COMPILE_DEFINITIONS "XXHASH_EXPORT"
                       VERSION "${XXHASH_LIB_VERSION}"
                       SOVERSION "${XXHASH_LIB_SOVERSION}")

if (BUILD_XXHSUM)
    add_executable(xxhsum ../xxhsum.c)
    target_link_libraries(xxhsum xxhash)
endif()

INSTALL(FILES ../xxhash.h DESTINATION include)
INSTALL(
    TARGETS xxhash xxhsum
    RUNTIME DESTINATION bin
    ARCHIVE DESTINATION lib
    LIBRARY DESTINATION lib
)