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Diffstat (limited to 'config/cmake_ext_mod/FindCURL.cmake')
-rw-r--r-- | config/cmake_ext_mod/FindCURL.cmake | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/config/cmake_ext_mod/FindCURL.cmake b/config/cmake_ext_mod/FindCURL.cmake new file mode 100644 index 0000000..84299ec --- /dev/null +++ b/config/cmake_ext_mod/FindCURL.cmake @@ -0,0 +1,193 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#[=======================================================================[.rst: +FindCURL +-------- + +Find the native CURL headers and libraries. + +This module accept optional COMPONENTS to check supported features and +protocols:: + + PROTOCOLS: ICT FILE FTP FTPS GOPHER HTTP HTTPS IMAP IMAPS LDAP LDAPS POP3 + POP3S RTMP RTSP SCP SFTP SMB SMBS SMTP SMTPS TELNET TFTP + FEATURES: SSL IPv6 UnixSockets libz AsynchDNS IDN GSS-API PSL SPNEGO + Kerberos NTLM NTLM_WB TLS-SRP HTTP2 HTTPS-proxy + +IMPORTED Targets +^^^^^^^^^^^^^^^^ + +This module defines :prop_tgt:`IMPORTED` target ``CURL::libcurl``, if +curl has been found. + +Result Variables +^^^^^^^^^^^^^^^^ + +This module defines the following variables: + +``CURL_FOUND`` + "True" if ``curl`` found. + +``CURL_INCLUDE_DIRS`` + where to find ``curl``/``curl.h``, etc. + +``CURL_LIBRARIES`` + List of libraries when using ``curl``. + +``CURL_VERSION_STRING`` + The version of ``curl`` found. +#]=======================================================================] + +find_package(PkgConfig QUIET) +if(PKG_CONFIG_FOUND) + pkg_check_modules(PC_CURL QUIET libcurl) + if(PC_CURL_FOUND) + set(CURL_VERSION_STRING ${PC_CURL_VERSION}) + pkg_get_variable(CURL_SUPPORTED_PROTOCOLS libcurl supported_protocols) + pkg_get_variable(CURL_SUPPORTED_FEATURES libcurl supported_features) + endif() +endif() + +# Look for the header file. +find_path(CURL_INCLUDE_DIR + NAMES curl/curl.h + HINTS ${PC_CURL_INCLUDE_DIRS}) +mark_as_advanced(CURL_INCLUDE_DIR) + +if(NOT CURL_LIBRARY) + # Look for the library (sorted from most current/relevant entry to least). + find_library(CURL_LIBRARY_RELEASE NAMES + curl + # Windows MSVC prebuilts: + curllib + libcurl_imp + curllib_static + # Windows older "Win32 - MSVC" prebuilts (libcurl.lib, e.g. libcurl-7.15.5-win32-msvc.zip): + libcurl + HINTS ${PC_CURL_LIBRARY_DIRS} + ) + mark_as_advanced(CURL_LIBRARY_RELEASE) + + find_library(CURL_LIBRARY_DEBUG NAMES + # Windows MSVC CMake builds in debug configuration on vcpkg: + libcurl-d_imp + libcurl-d + HINTS ${PC_CURL_LIBRARY_DIRS} + ) + mark_as_advanced(CURL_LIBRARY_DEBUG) + + include(SelectLibraryConfigurations.cmake) + select_library_configurations(CURL) +endif() + +if(CURL_INCLUDE_DIR AND NOT CURL_VERSION_STRING) + foreach(_curl_version_header curlver.h curl.h) + if(EXISTS "${CURL_INCLUDE_DIR}/curl/${_curl_version_header}") + file(STRINGS "${CURL_INCLUDE_DIR}/curl/${_curl_version_header}" curl_version_str REGEX "^#define[\t ]+LIBCURL_VERSION[\t ]+\".*\"") + + string(REGEX REPLACE "^#define[\t ]+LIBCURL_VERSION[\t ]+\"([^\"]*)\".*" "\\1" CURL_VERSION_STRING "${curl_version_str}") + unset(curl_version_str) + break() + endif() + endforeach() +endif() + +if(CURL_FIND_COMPONENTS) + set(CURL_KNOWN_PROTOCOLS ICT FILE FTP FTPS GOPHER HTTP HTTPS IMAP IMAPS LDAP LDAPS POP3 POP3S RTMP RTSP SCP SFTP SMB SMBS SMTP SMTPS TELNET TFTP) + set(CURL_KNOWN_FEATURES SSL IPv6 UnixSockets libz AsynchDNS IDN GSS-API PSL SPNEGO Kerberos NTLM NTLM_WB TLS-SRP HTTP2 HTTPS-proxy) + foreach(component IN LISTS CURL_KNOWN_PROTOCOLS CURL_KNOWN_FEATURES) + set(CURL_${component}_FOUND FALSE) + endforeach() + if(NOT PC_CURL_FOUND) + find_program(CURL_CONFIG_EXECUTABLE NAMES curl-config) + if(CURL_CONFIG_EXECUTABLE) + execute_process(COMMAND ${CURL_CONFIG_EXECUTABLE} --version + OUTPUT_VARIABLE CURL_CONFIG_VERSION_STRING + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE) + execute_process(COMMAND ${CURL_CONFIG_EXECUTABLE} --feature + OUTPUT_VARIABLE CURL_CONFIG_FEATURES_STRING + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE) + string(REPLACE "\n" ";" CURL_SUPPORTED_FEATURES "${CURL_CONFIG_FEATURES_STRING}") + execute_process(COMMAND ${CURL_CONFIG_EXECUTABLE} --protocols + OUTPUT_VARIABLE CURL_CONFIG_PROTOCOLS_STRING + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE) + string(REPLACE "\n" ";" CURL_SUPPORTED_PROTOCOLS "${CURL_CONFIG_PROTOCOLS_STRING}") + endif() + + endif() + foreach(component IN LISTS CURL_FIND_COMPONENTS) + list(FIND CURL_KNOWN_PROTOCOLS ${component} _found) + if(_found) + list(FIND CURL_SUPPORTED_PROTOCOLS ${component} _found) + if(_found) + set(CURL_${component}_FOUND TRUE) + elseif(CURL_FIND_REQUIRED) + message(FATAL_ERROR "CURL: Required protocol ${component} is not found") + endif() + else() + list(FIND CURL_SUPPORTED_FEATURES ${component} _found) + if(_found) + set(CURL_${component}_FOUND TRUE) + elseif(CURL_FIND_REQUIRED) + message(FATAL_ERROR "CURL: Required feature ${component} is not found") + endif() + endif() + endforeach() +endif() + +include(FindPackageHandleStandardArgs.cmake) +find_package_handle_standard_args(CURL + REQUIRED_VARS CURL_LIBRARY CURL_INCLUDE_DIR + VERSION_VAR CURL_VERSION_STRING + HANDLE_COMPONENTS) + +if(CURL_FOUND) + set(CURL_LIBRARIES ${CURL_LIBRARY}) + set(CURL_INCLUDE_DIRS ${CURL_INCLUDE_DIR}) + + if(NOT TARGET CURL::libcurl) + add_library(CURL::libcurl UNKNOWN IMPORTED) + set_target_properties(CURL::libcurl PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES "${CURL_INCLUDE_DIRS}") + + if(EXISTS "${CURL_LIBRARY}") + set_target_properties(CURL::libcurl PROPERTIES + IMPORTED_LINK_INTERFACE_LANGUAGES "C" + IMPORTED_LOCATION "${CURL_LIBRARY}") + endif() + if(CURL_LIBRARY_RELEASE) + set_property(TARGET CURL::libcurl APPEND PROPERTY + IMPORTED_CONFIGURATIONS RELEASE) + set_target_properties(CURL::libcurl PROPERTIES + IMPORTED_LINK_INTERFACE_LANGUAGES "C" + IMPORTED_LOCATION_RELEASE "${CURL_LIBRARY_RELEASE}") + endif() + if(CURL_LIBRARY_DEBUG) + set_property(TARGET CURL::libcurl APPEND PROPERTY + IMPORTED_CONFIGURATIONS DEBUG) + set_target_properties(CURL::libcurl PROPERTIES + IMPORTED_LINK_INTERFACE_LANGUAGES "C" + IMPORTED_LOCATION_DEBUG "${CURL_LIBRARY_DEBUG}") + endif() + endif() +endif() + +mark_as_advanced(CURL_LIBRARY CURL_INCLUDE_DIR) + +# Report the results. +if (NOT CURL_FOUND) + set (CURL_DIR_MESSAGE + "CURL was not found. Make sure CURL_LIBRARY and CURL_INCLUDE_DIR are set or set the CURL_INSTALL environment variable." + ) + if (NOT CURL_FIND_QUIETLY) + message (STATUS "${CURL_DIR_MESSAGE}") + else () + if (CURL_FIND_REQUIRED) + message (FATAL_ERROR "CURL was NOT found and is Required by this project") + endif () + endif () +endif () |