cmake/modules/FindCurl.cmake

   1 #.rst:
   2 # FindCurl
   3 # --------
   4 # Finds the Curl library
   5 #
   6 # This will define the following variables::
   7 #
   8 # CURL_FOUND - system has Curl
   9 # CURL_INCLUDE_DIRS - the Curl include directory
  10 # CURL_LIBRARIES - the Curl libraries
  11 # CURL_DEFINITIONS - the Curl definitions
  12 #
  13 # and the following imported targets::
  14 #
  15 #   Curl::Curl   - The Curl library
  16
  17 if(PKG_CONFIG_FOUND)
  18   pkg_check_modules(PC_CURL libcurl QUIET)
  19 endif()
  20
  21 find_path(CURL_INCLUDE_DIR NAMES curl/curl.h
  22                            PATHS ${PC_CURL_INCLUDEDIR})
  23 find_library(CURL_LIBRARY NAMES curl libcurl libcurl_imp
  24                           PATHS ${PC_CURL_LIBDIR})
  25
  26 set(CURL_VERSION ${PC_CURL_VERSION})
  27
  28 set(CURL_LIB_TYPE SHARED)
  29 set(CURL_LDFLAGS ${PC_CURL_LDFLAGS})
  30
  31 # check if curl is statically linked
  32 if(${CURL_LIBRARY} MATCHES ".+\.a$" AND PC_CURL_STATIC_LDFLAGS)
  33   set(CURL_LIB_TYPE STATIC)
  34   set(CURL_LDFLAGS ${PC_CURL_STATIC_LDFLAGS})
  35
  36   pkg_check_modules(PC_NGHTTP2 libnghttp2 QUIET)
  37   find_library(NGHTTP2_LIBRARY NAMES libnghttp2 nghttp2
  38                                PATHS ${PC_NGHTTP2_LIBDIR})
  39 endif()
  40
  41 include(FindPackageHandleStandardArgs)
  42 find_package_handle_standard_args(Curl
  43                                   REQUIRED_VARS CURL_LIBRARY CURL_INCLUDE_DIR
  44                                   VERSION_VAR CURL_VERSION)
  45
  46 if(CURL_FOUND)
  47   set(CURL_INCLUDE_DIRS ${CURL_INCLUDE_DIR})
  48   set(CURL_LIBRARIES ${CURL_LIBRARY} ${NGHTTP2_LIBRARY})
  49
  50   if(NOT TARGET Curl::Curl)
  51     add_library(Curl::Curl ${CURL_LIB_TYPE} IMPORTED)
  52     set_target_properties(Curl::Curl PROPERTIES
  53                                      IMPORTED_LOCATION "${CURL_LIBRARY}"
  54                                      INTERFACE_INCLUDE_DIRECTORIES "${CURL_INCLUDE_DIR}")
  55     if(HAS_CURL_STATIC)
  56         set_target_properties(Curl::Curl PROPERTIES
  57                                          INTERFACE_COMPILE_DEFINITIONS HAS_CURL_STATIC=1)
  58     endif()
  59   endif()
  60 endif()
  61
  62 mark_as_advanced(CURL_INCLUDE_DIR CURL_LIBRARY CURL_LDFLAGS)