esp-idf/components/asio/CMakeLists.txt

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CMake

if(NOT CONFIG_LWIP_IPV6 AND NOT CMAKE_BUILD_EARLY_EXPANSION)
# note: the component is still included in the build so it can become visible again in config
# without needing to re-run CMake. However no source or header files are built.
message(STATUS "IPV6 support is disabled so the asio component will not be built")
idf_component_register()
return()
endif()
set(asio_sources "asio/asio/src/asio.cpp")
if(CONFIG_ASIO_SSL_SUPPORT)
if(CONFIG_ASIO_USE_ESP_OPENSSL)
list(APPEND asio_sources
"asio/asio/src/asio_ssl.cpp"
"port/src/esp_asio_openssl_stubs.c")
endif()
if(CONFIG_ASIO_USE_ESP_WOLFSSL)
list(APPEND asio_sources
"asio/asio/src/asio_ssl.cpp")
endif()
endif()
idf_component_register(SRCS ${asio_sources}
INCLUDE_DIRS "asio/asio/include" "port/include"
REQUIRES lwip)
if(CONFIG_ASIO_SSL_SUPPORT)
if(CONFIG_ASIO_USE_ESP_WOLFSSL)
idf_component_get_property(wolflib esp-wolfssl COMPONENT_LIB)
idf_component_get_property(wolfdir esp-wolfssl COMPONENT_DIR)
target_link_libraries(${COMPONENT_LIB} PUBLIC ${wolflib})
target_include_directories(${COMPONENT_LIB} PUBLIC ${wolfdir}/wolfssl/wolfssl)
endif()
if(CONFIG_ASIO_USE_ESP_OPENSSL)
idf_component_get_property(esp_openssl openssl COMPONENT_LIB)
target_link_libraries(${COMPONENT_LIB} PUBLIC ${esp_openssl})
endif()
endif()