CMakeLists.txt

cmake_minimum_required(VERSION 2.8 FATAL_ERROR)

project(kafka C)

set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
set(CMAKE_SKIP_INSTALL_ALL_DEPENDENCY TRUE)

# Set CFLAGS
set(MY_C_FLAGS "-Wall -Wextra -Werror -std=gnu11 -fno-strict-aliasing -Wno-deprecated-declarations")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MY_C_FLAGS}")
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${MY_C_FLAGS} -ggdb3")

set(TARANTOOL_FIND_REQUIRED ON)
find_package(Tarantool)
# Oracle Connector requires fiber_cond API added in 1.7.4-291
string(REPLACE "-" "." tntver ${TARANTOOL_VERSION})
if(${tntver} VERSION_LESS 1.7.4.291)
    message(FATAL_ERROR "Tarantool >= 1.7.4-291 is required")
endif()

set(STATIC_BUILD "OFF", CACHE BOOL "Link dependencies statically?")
set(WITH_OPENSSL_1_1 "OFF" CACHE BOOL "Require openssl version >= 1.1?")

if (WITH_OPENSSL_1_1)
    find_package(OpenSSL 1.1 REQUIRED)
else()
    find_package(OpenSSL REQUIRED)
endif()
message("Found OPENSSL version: ${OPENSSL_VERSION}")

if(STATIC_BUILD)
    add_custom_command(
        OUTPUT ${CMAKE_BINARY_DIR}/librdkafka/lib/librdkafka.a
        COMMAND ./configure --enable-ssl --prefix=${CMAKE_BINARY_DIR}/librdkafka
        COMMAND make -j
        COMMAND make install
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/librdkafka
        COMMENT "Building librdkafka"
        VERBATIM
    )
    add_custom_target(librdkafka.a ALL
        DEPENDS ${CMAKE_BINARY_DIR}/librdkafka/lib/librdkafka.a
    )


    set(RDKAFKA_LIBRARY  ${RDKAFKA_LIBRARY} ${CMAKE_BINARY_DIR}/librdkafka/lib/librdkafka.a)
    set(RDKAFKA_INCLUDE_DIR ${CMAKE_BINARY_DIR}/librdkafka/include)
else()
    set(RDKAFKA_FIND_REQUIRED ON)
    find_package(RdKafka)
    # Link RdKafka transitive dependencies manually
    set(RDKAFKA_LIBRARY ${RDKAFKA_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY} ${OPENSSL_SSL_LIBRARY})
endif()

include_directories(${TARANTOOL_INCLUDE_DIRS})

add_subdirectory(kafka)