cmake: add CURL_CA_BUNDLE/CURL_CA_FALLBACK/CURL_CA_PATH options

endif()

#

# CA handling

#

set(CURL_CA_BUNDLE "auto" CACHE STRING

    "Path to the CA bundle. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")

set(CURL_CA_FALLBACK OFF CACHE BOOL

    "Set ON to use built-in CA store of TLS backend. Defaults to OFF")

set(CURL_CA_PATH "auto" CACHE STRING

    "Location of default CA path. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")

if("${CURL_CA_BUNDLE}" STREQUAL "none")

    unset(CURL_CA_BUNDLE CACHE)

elseif("${CURL_CA_BUNDLE}" STREQUAL "auto")

    # TODO: implement

    message(SEND_ERROR "Auto mode not implemented for CURL_CA_BUNDLE")

elseif("${CURL_CA_BUNDLE}" STREQUAL "")

    message(SEND_ERROR "Invalid value of CURL_CA_BUNDLE. Use 'none', 'auto' or path.")

endif()

if("${CURL_CA_PATH}" STREQUAL "none")

    unset(CURL_CA_PATH CACHE)

elseif("${CURL_CA_PATH}" STREQUAL "auto")

    # TODO: implement

    message(SEND_ERROR "Auto mode not implemented for CURL_CA_PATH")

elseif("${CURL_CA_PATH}" STREQUAL "")

    message(SEND_ERROR "Invalid value of CURL_CA_PATH. Use 'none', 'auto' or path.")

endif()

# Check for header files

if(NOT UNIX)

  check_include_file_concat("windows.h"      HAVE_WINDOWS_H)