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#.rst:
# FindCurl
# --------
# Finds the Curl library
#
# This will will define the following variables::
#
# CURL_FOUND - system has Curl
# CURL_INCLUDE_DIRS - the Curl include directory
# CURL_LIBRARIES - the Curl libraries
# CURL_DEFINITIONS - the Curl definitions
#
# and the following imported targets::
#
# Curl::Curl - The Curl library
if(PKG_CONFIG_FOUND)
pkg_check_modules(PC_CURL libcurl QUIET)
endif()
find_path(CURL_INCLUDE_DIR NAMES curl/curl.h
PATHS ${PC_CURL_INCLUDEDIR})
find_library(CURL_LIBRARY NAMES curl libcurl
PATHS ${PC_CURL_LIBDIR})
set(CURL_VERSION ${PC_CURL_VERSION})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Curl
REQUIRED_VARS CURL_LIBRARY CURL_INCLUDE_DIR
VERSION_VAR CURL_VERSION)
if(CURL_FOUND)
set(CURL_INCLUDE_DIRS ${CURL_INCLUDE_DIR})
set(CURL_LIBRARIES ${CURL_LIBRARY})
# Check whether OpenSSL inside libcurl is static.
if(UNIX)
if(NOT DEFINED HAS_CURL_STATIC)
get_filename_component(CURL_LIBRARY_DIR ${CURL_LIBRARY} DIRECTORY)
find_soname(CURL REQUIRED)
if(APPLE)
set(libchecker nm)
set(searchpattern "T [_]?CRYPTO_set_locking_call")
else()
set(libchecker readelf -s)
set(searchpattern "CRYPTO_set_locking_call")
endif()
execute_process(
COMMAND ${libchecker} ${CURL_LIBRARY_DIR}/${CURL_SONAME}
COMMAND grep -Eq ${searchpattern}
RESULT_VARIABLE HAS_CURL_STATIC)
unset(libchecker)
unset(searchpattern)
if(HAS_CURL_STATIC EQUAL 0)
set(HAS_CURL_STATIC TRUE)
else()
set(HAS_CURL_STATIC FALSE)
endif()
set(HAS_CURL_STATIC ${HAS_CURL_STATIC} CACHE INTERNAL
"OpenSSL is statically linked into Curl")
message(STATUS "OpenSSL is statically linked into Curl: ${HAS_CURL_STATIC}")
endif()
endif()
if(HAS_CURL_STATIC)
set(CURL_DEFINITIONS -DHAS_CURL_STATIC=1)
endif()
if(NOT TARGET Curl::Curl)
add_library(Curl::Curl UNKNOWN IMPORTED)
set_target_properties(Curl::Curl PROPERTIES
IMPORTED_LOCATION "${CURL_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${CURL_INCLUDE_DIR}")
if(HAS_CURL_STATIC)
set_target_properties(Curl::Curl PROPERTIES
INTERFACE_COMPILE_DEFINITIONS HAS_CURL_STATIC=1)
endif()
endif()
endif()
mark_as_advanced(CURL_INCLUDE_DIR CURL_LIBRARY)
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