llama.cpp/vendor/cpp-httplib/CMakeLists.txt

set(TARGET cpp-httplib)

find_package(Threads REQUIRED)

add_library(${TARGET} STATIC httplib.cpp httplib.h)
if (NOT MSVC)
    # disable warnings in 3rd party code
    target_compile_options(${TARGET} PRIVATE -w)
endif()

target_link_libraries  (${TARGET} PRIVATE Threads::Threads)
target_compile_features(${TARGET} PRIVATE cxx_std_17)

target_compile_definitions(${TARGET} PRIVATE
    # increase max payload length to allow use of larger context size
    CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH=1048576
    # increase backlog size to avoid connection resets for >> 1 slots
    CPPHTTPLIB_LISTEN_BACKLOG=512
    # increase max URI length to handle longer prompts in query string
    CPPHTTPLIB_REQUEST_URI_MAX_LENGTH=32768
    # disable Nagle's algorithm
    CPPHTTPLIB_TCP_NODELAY=1
)

if (LLAMA_OPENSSL)
    find_package(OpenSSL)
    if (OpenSSL_FOUND)
        include(CheckCSourceCompiles)
        set(SAVED_CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES})
        set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
        check_c_source_compiles("
        #include <openssl/opensslv.h>
        #if defined(OPENSSL_IS_BORINGSSL) || defined(LIBRESSL_VERSION_NUMBER)
        #    if OPENSSL_VERSION_NUMBER < 0x1010107f
        #        error bad version
        #    endif
        #else
        #    if OPENSSL_VERSION_NUMBER < 0x30000000L
        #        error bad version
        #    endif
        #endif
        int main() { return 0; }
        " OPENSSL_VERSION_SUPPORTED)
        set(CMAKE_REQUIRED_INCLUDES ${SAVED_CMAKE_REQUIRED_INCLUDES})
        if (OPENSSL_VERSION_SUPPORTED)
            message(STATUS "OpenSSL found: ${OPENSSL_VERSION}")
            target_compile_definitions(${TARGET} PUBLIC CPPHTTPLIB_OPENSSL_SUPPORT)
            target_link_libraries(${TARGET} PUBLIC OpenSSL::SSL OpenSSL::Crypto)
            if (APPLE AND CMAKE_SYSTEM_NAME STREQUAL "Darwin")
                target_compile_definitions(${TARGET} PUBLIC CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN)
                find_library(CORE_FOUNDATION_FRAMEWORK CoreFoundation REQUIRED)
                find_library(SECURITY_FRAMEWORK Security REQUIRED)
                target_link_libraries(${TARGET} PUBLIC ${CORE_FOUNDATION_FRAMEWORK} ${SECURITY_FRAMEWORK})
            endif()
        endif()
    else()
        message(STATUS "OpenSSL not found, SSL support disabled")
    endif()
endif()