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FindCURL: support COMPONENTS to check features

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- Use pkg-config or curl-config to retrieve version,
  supported features and protocols.
- Support optional COMPONENTS to check supported features

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
This commit is contained in:
Hiroshi Miura
2018-11-28 09:48:35 +09:00
committed by Brad King
parent 81bea69bd1
commit fc5afbe970
1 changed files with 73 additions and 4 deletions
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Modules/FindCURL.cmake
+73 -4
View File
@@ -7,6 +7,14 @@ 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
^^^^^^^^^^^^^^^^
@@ -31,8 +39,20 @@ This module defines the following variables:
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)
find_path(CURL_INCLUDE_DIR
NAMES curl/curl.h
HINTS ${PC_CURL_INCLUDE_DIRS})
mark_as_advanced(CURL_INCLUDE_DIR)
if(NOT CURL_LIBRARY)
@@ -45,6 +65,7 @@ if(NOT CURL_LIBRARY)
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)
@@ -52,6 +73,7 @@ if(NOT CURL_LIBRARY)
# Windows MSVC CMake builds in debug configuration on vcpkg:
libcurl-d_imp
libcurl-d
HINTS ${PC_CURL_LIBRARY_DIRS}
)
mark_as_advanced(CURL_LIBRARY_DEBUG)
@@ -59,7 +81,7 @@ if(NOT CURL_LIBRARY)
select_library_configurations(CURL)
endif()
if(CURL_INCLUDE_DIR)
if(CURL_INCLUDE_DIR AND NOT CURL_VERSION_STRING)
foreach(_curl_version_header curlver.h curl.h)
if(EXISTS "${CURL_INCLUDE_DIR}/curl/${_curl_version_header}")
file(STRINGS "${CURL_INCLUDE_DIR}/curl/${_curl_version_header}" curl_version_str REGEX "^#define[\t ]+LIBCURL_VERSION[\t ]+\".*\"")
@@ -71,10 +93,57 @@ if(CURL_INCLUDE_DIR)
endforeach()
endif()
if(CURL_FIND_COMPONENTS)
set(CURL_KNOWN_PROTOCOLS ICT FILE FTP FTPS GOPHER HTTP HTTPS IMAP IMAPS LDAP LDAPS POP3 POP3S RTMP RTSP SCP SFTP SMB SMBS SMTP SMTPS TELNET TFTP)
set(CURL_KNOWN_FEATURES SSL IPv6 UnixSockets libz AsynchDNS IDN GSS-API PSL SPNEGO Kerberos NTLM NTLM_WB TLS-SRP HTTP2 HTTPS-proxy)
foreach(component IN LISTS CURL_KNOWN_PROTOCOLS CURL_KNOWN_FEATURES)
set(CURL_${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 ${CURL_CONFIG_EXECUTABLE} --feature
OUTPUT_VARIABLE CURL_CONFIG_FEATURES_STRING
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE "\n" ";" CURL_CONFIG_FEATURES "${CURL_CONFIG_FEATURES_STRING}")
execute_process(COMMAND ${CURL_CONFIG_EXECUTABLE} --protocols
OUTPUT_VARIABLE CURL_CONFIG_PROTOCOLS_STRING
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE "\n" ";" CURL_CONFIG_PROTOCOLS "${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 ${component} is not found")
endif()
endif()
endforeach()
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(CURL
find_package_handle_standard_args(CURL
REQUIRED_VARS CURL_LIBRARY CURL_INCLUDE_DIR
VERSION_VAR CURL_VERSION_STRING)
VERSION_VAR CURL_VERSION_STRING
HANDLE_COMPONENTS)
if(CURL_FOUND)
set(CURL_LIBRARIES ${CURL_LIBRARY})