smtp: use the upload buffer size for scratch buffer malloc
[platform/upstream/curl.git] / CMakeLists.txt
index 9b7b3b2..490cc19 100644 (file)
-# cURL/libcurl CMake script
-# by [PUT YOUR REAL NAME TETEST!] and Sukender (Benoit Neil)
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
+# curl/libcurl CMake script
+# by Tetetest and Sukender (Benoit Neil)
 
 # TODO:
-# Add tests sub project
+# The output .so file lacks the soname number which we currently have within the lib/Makefile.am file
 # Add full (4 or 5 libs) SSL support
-# Add INSTALL target
+# Add INSTALL target (EXTRA_DIST variables in Makefile.am may be moved to Makefile.inc so that CMake/CPack is aware of what's to include).
+# Add CTests(?)
 # Check on all possible platforms
 # Test with as many configurations possible (With or without any option)
-# Create scripts that help keeping the CMake build system up to date (to reduce maintenance)
+# Create scripts that help keeping the CMake build system up to date (to reduce maintenance). According to Tetetest:
+#  - lists of headers that 'configure' checks for;
+#  - curl-specific tests (the ones that are in m4/curl-*.m4 files);
+#  - (most obvious thing:) curl version numbers.
 # Add documentation subproject
-
-CMAKE_MINIMUM_REQUIRED(VERSION 2.6.2 FATAL_ERROR)
-SET(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake;${CMAKE_MODULE_PATH}")
+#
+# To check:
+# (From Daniel Stenberg) The cmake build selected to run gcc with -fPIC on my box while the plain configure script did not.
+# (From Daniel Stenberg) The gcc command line use neither -g nor any -O options. As a developer, I also treasure our configure scripts's --enable-debug option that sets a long range of "picky" compiler options.
+cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMake;${CMAKE_MODULE_PATH}")
+include(Utilities)
+include(Macros)
+include(CMakeDependentOption)
+include(CheckCCompilerFlag)
 
 project( CURL C )
-SET(CURL_MAJOR_VERSION 7)
-SET(CURL_MINOR_VERSION 19)
-SET(CURL_PATCH_VERSION 4)
 
-INCLUDE_REGULAR_EXPRESSION("^.*$")             # Sukender: Is it necessary?
+message(WARNING "the curl cmake build system is poorly maintained. Be aware")
+
+file (READ ${CURL_SOURCE_DIR}/include/curl/curlver.h CURL_VERSION_H_CONTENTS)
+string (REGEX MATCH "#define LIBCURL_VERSION \"[^\"]*"
+  CURL_VERSION ${CURL_VERSION_H_CONTENTS})
+string (REGEX REPLACE "[^\"]+\"" "" CURL_VERSION ${CURL_VERSION})
+string (REGEX MATCH "#define LIBCURL_VERSION_NUM 0x[0-9a-fA-F]+"
+  CURL_VERSION_NUM ${CURL_VERSION_H_CONTENTS})
+string (REGEX REPLACE "[^0]+0x" "" CURL_VERSION_NUM ${CURL_VERSION_NUM})
+
+include_regular_expression("^.*$")    # Sukender: Is it necessary?
 
 # Setup package meta-data
 # SET(PACKAGE "curl")
-SET(CURL_VERSION ${CURL_MAJOR_VERSION}.${CURL_MINOR_VERSION}.${CURL_PATCH_VERSION})
+message(STATUS "curl version=[${CURL_VERSION}]")
 # SET(PACKAGE_TARNAME "curl")
 # SET(PACKAGE_NAME "curl")
 # SET(PACKAGE_VERSION "-")
 # SET(PACKAGE_STRING "curl-")
-# SET(PACKAGE_BUGREPORT "a suitable curl mailing list => http://curl.haxx.se/mail/")
-SET(OPERATING_SYSTEM "${CMAKE_SYSTEM_NAME}")
-SET(OS "\"${CMAKE_SYSTEM_NAME}\"")
-
-# Make the base headers visible to everything
-# IF(NOT ${PROJECT_BINARY_DIR} EQUAL ${PROJECT_SOURCE_DIR})
-   # INCLUDE_DIRECTORIES(${PROJECT_BINARY_DIR}/include)
-# ENDIF()
-INCLUDE_DIRECTORIES( ${CURL_SOURCE_DIR}/include )
-
-# Save C and CXX STD libs (we may need to modify them)
-IF(NOT CURL_CONFIG_HAS_BEEN_RUN_BEFORE)
-       SET(CMAKE_CXX_STANDARD_LIBRARIES_INIT ${CMAKE_CXX_STANDARD_LIBRARIES} CACHE INTERNAL "Initial C++ libs")
-       SET(CMAKE_C_STANDARD_LIBRARIES_INIT   ${CMAKE_C_STANDARD_LIBRARIES} CACHE INTERNAL "Initial C libs")
-ENDIF()
-
-IF(WIN32)
-       SET(NATIVE_WINDOWS ON)
-ENDIF()
-
-OPTION(BUILD_CURL_EXE "Set to ON to build cURL executable." ON)
-OPTION(BUILD_CURL_TESTS "Set to ON to build cURL tests." ON)
-OPTION(CURL_STATICLIB "Set to ON to build libcurl with static linking." OFF)
-IF(MSVC)
-       OPTION(BUILD_RELEASE_DEBUG_DIRS "Set OFF to build each configuration to a separate directory" OFF)
-       MARK_AS_ADVANCED(BUILD_RELEASE_DEBUG_DIRS)
-ENDIF()
-
-# IF(WIN32)
-       # OPTION(CURL_WINDOWS_SSPI "Use windows libraries to allow NTLM authentication without openssl" ON)
-       # MARK_AS_ADVANCED(CURL_WINDOWS_SSPI)
-# ENDIF()
-
-OPTION(HTTP_ONLY "disables all protocols except HTTP (This overrides all CURL_DISABLE_* options)" OFF)
-MARK_AS_ADVANCED(HTTP_ONLY)
-OPTION(CURL_DISABLE_FTP "disables FTP" OFF)
-MARK_AS_ADVANCED(CURL_DISABLE_FTP)
-OPTION(CURL_DISABLE_LDAP "disables LDAP" OFF)
-MARK_AS_ADVANCED(CURL_DISABLE_LDAP)
-OPTION(CURL_DISABLE_TELNET "disables Telnet" OFF)
-MARK_AS_ADVANCED(CURL_DISABLE_TELNET)
-OPTION(CURL_DISABLE_DICT "disables DICT" OFF)
-MARK_AS_ADVANCED(CURL_DISABLE_DICT)
-OPTION(CURL_DISABLE_FILE "disables FILE" OFF)
-MARK_AS_ADVANCED(CURL_DISABLE_FILE)
-OPTION(CURL_DISABLE_TFTP "disables TFTP" OFF)
-MARK_AS_ADVANCED(CURL_DISABLE_TFTP)
-OPTION(CURL_DISABLE_HTTP "disables HTTP" OFF)
-MARK_AS_ADVANCED(CURL_DISABLE_HTTP)
-
-OPTION(CURL_DISABLE_LDAPS "to disable LDAPS" OFF)
-MARK_AS_ADVANCED(CURL_DISABLE_LDAPS)
-IF(WIN32)
-       SET(CURL_LDAP_HYBRID OFF)
-       OPTION(CURL_LDAP_WIN "Use W$ LDAP implementation" ON)
-       MARK_AS_ADVANCED(CURL_LDAP_WIN)
-ELSE()
-       OPTION(CURL_LDAP_HYBRID "W$ LDAP with non-W$ compiler" OFF)
-       MARK_AS_ADVANCED(CURL_LDAP_HYBRID)
-       SET(CURL_LDAP_WIN OFF)
-ENDIF()
-
-IF(HTTP_ONLY)
-       SET(CURL_DISABLE_FTP ON)
-       SET(CURL_DISABLE_LDAP ON)
-       SET(CURL_DISABLE_TELNET ON)
-       SET(CURL_DISABLE_DICT ON)
-       SET(CURL_DISABLE_FILE ON)
-       SET(CURL_DISABLE_TFTP ON)
-ENDIF()
-
-OPTION(CURL_DISABLE_COOKIES "to disable cookies support" OFF)
-MARK_AS_ADVANCED(CURL_DISABLE_COOKIES)
-
-OPTION(CURL_DISABLE_CRYPTO_AUTH "to disable cryptographic authentication" OFF)
-MARK_AS_ADVANCED(CURL_DISABLE_CRYPTO_AUTH)
-OPTION(CURL_DISABLE_VERBOSE_STRINGS "to disable verbose strings" OFF)
-MARK_AS_ADVANCED(CURL_DISABLE_VERBOSE_STRINGS)
-OPTION(DISABLED_THREADSAFE "Set to explicitly specify we don't want to use thread-safe functions" OFF)
-MARK_AS_ADVANCED(DISABLED_THREADSAFE)
-OPTION(ENABLE_IPV6 "Define if you want to enable IPv6 support" OFF)
-MARK_AS_ADVANCED(ENABLE_IPV6)
-
-
-IF(WIN32)
-       IF(CURL_DISABLE_LDAP)
-               #SET(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} wsock32.lib bufferoverflowu.lib ws2_32.lib" CACHE STRING "" FORCE)
-               #SET(CMAKE_C_STANDARD_LIBRARIES   "${CMAKE_C_STANDARD_LIBRARIES} wsock32.lib bufferoverflowu.lib ws2_32.lib"   CACHE STRING "" FORCE)
-               SET(CMAKE_C_STANDARD_LIBRARIES   "${CMAKE_C_STANDARD_LIBRARIES} wsock32.lib ws2_32.lib"   CACHE STRING "" FORCE)
-       ELSE()
-               #SET(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} wsock32.lib bufferoverflowu.lib ws2_32.lib wldap32.lib" CACHE STRING "" FORCE)
-               #SET(CMAKE_C_STANDARD_LIBRARIES   "${CMAKE_C_STANDARD_LIBRARIES} wsock32.lib bufferoverflowu.lib ws2_32.lib wldap32.lib"   CACHE STRING "" FORCE)
-               SET(CMAKE_C_STANDARD_LIBRARIES   "${CMAKE_C_STANDARD_LIBRARIES} wsock32.lib ws2_32.lib wldap32.lib"   CACHE STRING "" FORCE)
-       ENDIF()
-ENDIF()
-
+# SET(PACKAGE_BUGREPORT "a suitable curl mailing list => https://curl.haxx.se/mail/")
+set(OPERATING_SYSTEM "${CMAKE_SYSTEM_NAME}")
+set(OS "\"${CMAKE_SYSTEM_NAME}\"")
+
+include_directories(${PROJECT_BINARY_DIR}/include/curl)
+include_directories( ${CURL_SOURCE_DIR}/include )
+
+option(CURL_WERROR "Turn compiler warnings into errors" OFF)
+option(PICKY_COMPILER "Enable picky compiler options" ON)
+option(BUILD_CURL_EXE "Set to ON to build curl executable." ON)
+option(CURL_STATICLIB "Set to ON to build libcurl with static linking." OFF)
+option(ENABLE_ARES "Set to ON to enable c-ares support" OFF)
+if(WIN32)
+  option(CURL_STATIC_CRT "Set to ON to build libcurl with static CRT on Windows (/MT)." OFF)
+  option(ENABLE_INET_PTON "Set to OFF to prevent usage of inet_pton when building against modern SDKs while still requiring compatibility with older Windows versions, such as Windows XP, Windows Server 2003 etc." ON)
+endif()
+
+CMAKE_DEPENDENT_OPTION(ENABLE_THREADED_RESOLVER "Set to ON to enable threaded DNS lookup"
+        ON "NOT ENABLE_ARES"
+        OFF)
+
+option(ENABLE_DEBUG "Set to ON to enable curl debug features" OFF)
+option(ENABLE_CURLDEBUG "Set to ON to build with TrackMemory feature enabled" OFF)
+
+if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG)
+  if (PICKY_COMPILER)
+    foreach (_CCOPT -pedantic -Wall -W -Wpointer-arith -Wwrite-strings -Wunused -Wshadow -Winline -Wnested-externs -Wmissing-declarations -Wmissing-prototypes -Wno-long-long -Wfloat-equal -Wno-multichar -Wsign-compare -Wundef -Wno-format-nonliteral -Wendif-labels -Wstrict-prototypes -Wdeclaration-after-statement -Wstrict-aliasing=3 -Wcast-align -Wtype-limits -Wold-style-declaration -Wmissing-parameter-type -Wempty-body -Wclobbered -Wignored-qualifiers -Wconversion -Wno-sign-conversion -Wvla -Wdouble-promotion -Wno-system-headers)
+      # surprisingly, CHECK_C_COMPILER_FLAG needs a new variable to store each new
+      # test result in.
+      CHECK_C_COMPILER_FLAG(${_CCOPT} OPT${_CCOPT})
+      if(OPT${_CCOPT})
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_CCOPT}")
+      endif()
+    endforeach()
+  endif(PICKY_COMPILER)
+endif(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG)
+
+if (ENABLE_DEBUG)
+  # DEBUGBUILD will be defined only for Debug builds
+  if(NOT CMAKE_VERSION VERSION_LESS 3.0)
+    set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS $<$<CONFIG:Debug>:DEBUGBUILD>)
+  else()
+    set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_DEBUG DEBUGBUILD)
+  endif()
+  set(ENABLE_CURLDEBUG ON)
+endif()
+
+if (ENABLE_CURLDEBUG)
+  set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS CURLDEBUG)
+endif()
+
+# For debug libs and exes, add "-d" postfix
+set(CMAKE_DEBUG_POSTFIX "-d" CACHE STRING "Set debug library postfix")
+
+# initialize CURL_LIBS
+set(CURL_LIBS "")
+
+if(ENABLE_ARES)
+  set(USE_ARES 1)
+  find_package(CARES REQUIRED)
+  list(APPEND CURL_LIBS ${CARES_LIBRARY} )
+  set(CURL_LIBS ${CURL_LIBS} ${CARES_LIBRARY})
+endif()
+
+include(CurlSymbolHiding)
+
+option(HTTP_ONLY "disables all protocols except HTTP (This overrides all CURL_DISABLE_* options)" OFF)
+mark_as_advanced(HTTP_ONLY)
+option(CURL_DISABLE_FTP "disables FTP" OFF)
+mark_as_advanced(CURL_DISABLE_FTP)
+option(CURL_DISABLE_LDAP "disables LDAP" OFF)
+mark_as_advanced(CURL_DISABLE_LDAP)
+option(CURL_DISABLE_TELNET "disables Telnet" OFF)
+mark_as_advanced(CURL_DISABLE_TELNET)
+option(CURL_DISABLE_DICT "disables DICT" OFF)
+mark_as_advanced(CURL_DISABLE_DICT)
+option(CURL_DISABLE_FILE "disables FILE" OFF)
+mark_as_advanced(CURL_DISABLE_FILE)
+option(CURL_DISABLE_TFTP "disables TFTP" OFF)
+mark_as_advanced(CURL_DISABLE_TFTP)
+option(CURL_DISABLE_HTTP "disables HTTP" OFF)
+mark_as_advanced(CURL_DISABLE_HTTP)
+
+option(CURL_DISABLE_LDAPS "to disable LDAPS" OFF)
+mark_as_advanced(CURL_DISABLE_LDAPS)
+
+option(CURL_DISABLE_RTSP "to disable RTSP" OFF)
+mark_as_advanced(CURL_DISABLE_RTSP)
+option(CURL_DISABLE_PROXY "to disable proxy" OFF)
+mark_as_advanced(CURL_DISABLE_PROXY)
+option(CURL_DISABLE_POP3 "to disable POP3" OFF)
+mark_as_advanced(CURL_DISABLE_POP3)
+option(CURL_DISABLE_IMAP "to disable IMAP" OFF)
+mark_as_advanced(CURL_DISABLE_IMAP)
+option(CURL_DISABLE_SMTP "to disable SMTP" OFF)
+mark_as_advanced(CURL_DISABLE_SMTP)
+option(CURL_DISABLE_GOPHER "to disable Gopher" OFF)
+mark_as_advanced(CURL_DISABLE_GOPHER)
+
+if(HTTP_ONLY)
+  set(CURL_DISABLE_FTP ON)
+  set(CURL_DISABLE_LDAP ON)
+  set(CURL_DISABLE_LDAPS ON)
+  set(CURL_DISABLE_TELNET ON)
+  set(CURL_DISABLE_DICT ON)
+  set(CURL_DISABLE_FILE ON)
+  set(CURL_DISABLE_TFTP ON)
+  set(CURL_DISABLE_RTSP ON)
+  set(CURL_DISABLE_POP3 ON)
+  set(CURL_DISABLE_IMAP ON)
+  set(CURL_DISABLE_SMTP ON)
+  set(CURL_DISABLE_GOPHER ON)
+endif()
+
+option(CURL_DISABLE_COOKIES "to disable cookies support" OFF)
+mark_as_advanced(CURL_DISABLE_COOKIES)
+
+option(CURL_DISABLE_CRYPTO_AUTH "to disable cryptographic authentication" OFF)
+mark_as_advanced(CURL_DISABLE_CRYPTO_AUTH)
+option(CURL_DISABLE_VERBOSE_STRINGS "to disable verbose strings" OFF)
+mark_as_advanced(CURL_DISABLE_VERBOSE_STRINGS)
+option(ENABLE_IPV6 "Define if you want to enable IPv6 support" ON)
+mark_as_advanced(ENABLE_IPV6)
+if(ENABLE_IPV6 AND NOT WIN32)
+  include(CheckStructHasMember)
+  check_struct_has_member("struct sockaddr_in6" sin6_addr "netinet/in.h"
+                          HAVE_SOCKADDR_IN6_SIN6_ADDR)
+  check_struct_has_member("struct sockaddr_in6" sin6_scope_id "netinet/in.h"
+                          HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID)
+  if(NOT HAVE_SOCKADDR_IN6_SIN6_ADDR)
+    message(WARNING "struct sockaddr_in6 not available, disabling IPv6 support")
+    # Force the feature off as this name is used as guard macro...
+    set(ENABLE_IPV6 OFF
+        CACHE BOOL "Define if you want to enable IPv6 support" FORCE)
+  endif()
+endif()
+
+CURL_NROFF_CHECK()
+find_package(Perl)
+
+CMAKE_DEPENDENT_OPTION(ENABLE_MANUAL "to provide the built-in manual"
+    ON "NROFF_USEFUL;PERL_FOUND"
+    OFF)
+
+if(NOT PERL_FOUND)
+  message(STATUS "Perl not found, testing disabled.")
+  set(BUILD_TESTING OFF)
+endif()
+if(ENABLE_MANUAL)
+  set(USE_MANUAL ON)
+endif()
 
 # We need ansi c-flags, especially on HP
-SET(CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS}")
-SET(CMAKE_REQUIRED_FLAGS ${CMAKE_ANSI_CFLAGS})
+set(CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS}")
+set(CMAKE_REQUIRED_FLAGS ${CMAKE_ANSI_CFLAGS})
+
+if(CURL_STATIC_CRT)
+  set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /MT")
+  set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /MTd")
+endif()
 
 # Disable warnings on Borland to avoid changing 3rd party code.
-IF(BORLAND)
-  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w-")
-ENDIF(BORLAND)
+if(BORLAND)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -w-")
+endif(BORLAND)
+
+if(CURL_WERROR)
+  if(MSVC_VERSION)
+    set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /WX")
+    set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /WX")
+  else()
+    # this assumes clang or gcc style options
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
+  endif()
+endif(CURL_WERROR)
 
 # If we are on AIX, do the _ALL_SOURCE magic
-IF(${CMAKE_SYSTEM_NAME} MATCHES AIX)
-  SET(_ALL_SOURCE 1)
-ENDIF(${CMAKE_SYSTEM_NAME} MATCHES AIX)
+if(${CMAKE_SYSTEM_NAME} MATCHES AIX)
+  set(_ALL_SOURCE 1)
+endif(${CMAKE_SYSTEM_NAME} MATCHES AIX)
 
 # Include all the necessary files for macros
-INCLUDE (CheckFunctionExists)
-INCLUDE (CheckIncludeFile)
-INCLUDE (CheckIncludeFiles)
-INCLUDE (CheckLibraryExists)
-INCLUDE (CheckSymbolExists)
-# if crosscompiling is on, the CHECK_TYPE_SIZE macro coming with cmake uses
-# TRY_COMPILE instead of TRY_RUN which makes crosscompiling easier, Alex
-IF(CMAKE_CROSSCOMPILING)  
-  INCLUDE ("${CMAKE_MODULE_PATH}/CheckTypeSize.cmake")
-ELSE(CMAKE_CROSSCOMPILING)
-  INCLUDE (CheckTypeSize)
-ENDIF(CMAKE_CROSSCOMPILING)
+include (CheckFunctionExists)
+include (CheckIncludeFile)
+include (CheckIncludeFiles)
+include (CheckLibraryExists)
+include (CheckSymbolExists)
+include (CheckTypeSize)
+include (CheckCSourceCompiles)
+include (CMakeDependentOption)
 
 # On windows preload settings
-IF(WIN32)
-  INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/CMake/Platforms/WindowsCache.cmake)
-ENDIF(WIN32)
-
-# This macro checks if the symbol exists in the library and if it
-# does, it appends library to the list.
-SET(CURL_LIBS "")
-MACRO(CHECK_LIBRARY_EXISTS_CONCAT LIBRARY SYMBOL VARIABLE)
-  CHECK_LIBRARY_EXISTS("${LIBRARY};${CURL_LIBS}" ${SYMBOL} "" 
-    ${VARIABLE})
-  IF(${VARIABLE})
-    SET(CURL_LIBS ${CURL_LIBS} ${LIBRARY})
-  ENDIF(${VARIABLE})
-ENDMACRO(CHECK_LIBRARY_EXISTS_CONCAT)
+if(WIN32)
+  set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -D_WINSOCKAPI_=")
+  include(${CMAKE_CURRENT_SOURCE_DIR}/CMake/Platforms/WindowsCache.cmake)
+endif(WIN32)
+
+if(ENABLE_THREADED_RESOLVER)
+  find_package(Threads REQUIRED)
+  if(WIN32)
+    set(USE_THREADS_WIN32 ON)
+  else()
+    set(USE_THREADS_POSIX ${CMAKE_USE_PTHREADS_INIT})
+    set(HAVE_PTHREAD_H ${CMAKE_USE_PTHREADS_INIT})
+  endif()
+  set(CURL_LIBS ${CURL_LIBS} ${CMAKE_THREAD_LIBS_INIT})
+endif()
 
 # Check for all needed libraries
-CHECK_LIBRARY_EXISTS_CONCAT("dl"     dlopen       HAVE_LIBDL)
-#CHECK_LIBRARY_EXISTS_CONCAT("ucb"    gethostname  HAVE_LIBUCB)
-CHECK_LIBRARY_EXISTS_CONCAT("socket" connect      HAVE_LIBSOCKET)
-CHECK_LIBRARY_EXISTS("c" gethostbyname "" NOT_NEED_LIBNSL)
+check_library_exists_concat("dl"     dlopen       HAVE_LIBDL)
+check_library_exists_concat("socket" connect      HAVE_LIBSOCKET)
+check_library_exists("c" gethostbyname "" NOT_NEED_LIBNSL)
 
 # Yellowtab Zeta needs different libraries than BeOS 5.
-IF(BEOS)
-  SET(NOT_NEED_LIBNSL 1)
-  CHECK_LIBRARY_EXISTS_CONCAT("bind" gethostbyname HAVE_LIBBIND)
-  CHECK_LIBRARY_EXISTS_CONCAT("bnetapi" closesocket HAVE_LIBBNETAPI)
-ENDIF(BEOS)
-
-IF(NOT NOT_NEED_LIBNSL)
-  CHECK_LIBRARY_EXISTS_CONCAT("nsl"    gethostbyname  HAVE_LIBNSL)
-ENDIF(NOT NOT_NEED_LIBNSL)
-
-CHECK_LIBRARY_EXISTS_CONCAT("ws2_32" getch        HAVE_LIBWS2_32)
-CHECK_LIBRARY_EXISTS_CONCAT("winmm"  getch        HAVE_LIBWINMM)
-# IF(NOT CURL_SPECIAL_LIBZ)
-#  CHECK_LIBRARY_EXISTS_CONCAT("z"      inflateEnd   HAVE_LIBZ)
-# ENDIF(NOT CURL_SPECIAL_LIBZ)
-
-OPTION(CMAKE_USE_OPENSSL "Use OpenSSL code. Experimental" ON)
-MARK_AS_ADVANCED(CMAKE_USE_OPENSSL)
-IF(CMAKE_USE_OPENSSL)
-  IF(WIN32)
-       FIND_PACKAGE(OpenSSL)
-       IF(OPENSSL_FOUND)
-         SET(USE_SSLEAY TRUE)
-         SET(USE_OPENSSL TRUE)
-         LIST(APPEND CURL_LIBS ${OPENSSL_LIBRARIES} )
-       ENDIF()
-    #FIND_LIBRARY(LIBEAY NAMES libeay32)
-    #LIST(APPEND CURL_LIBS ${LIBEAY} )
-  ELSE(WIN32)
-    CHECK_LIBRARY_EXISTS_CONCAT("crypto" CRYPTO_lock  HAVE_LIBCRYPTO)
-    CHECK_LIBRARY_EXISTS_CONCAT("ssl"    SSL_connect  HAVE_LIBSSL)
-  ENDIF(WIN32)
-ENDIF(CMAKE_USE_OPENSSL)
+if(BEOS)
+  set(NOT_NEED_LIBNSL 1)
+  check_library_exists_concat("bind" gethostbyname HAVE_LIBBIND)
+  check_library_exists_concat("bnetapi" closesocket HAVE_LIBBNETAPI)
+endif(BEOS)
+
+if(NOT NOT_NEED_LIBNSL)
+  check_library_exists_concat("nsl"    gethostbyname  HAVE_LIBNSL)
+endif(NOT NOT_NEED_LIBNSL)
+
+check_function_exists(gethostname HAVE_GETHOSTNAME)
+
+if(WIN32)
+  check_library_exists_concat("ws2_32" getch        HAVE_LIBWS2_32)
+  check_library_exists_concat("winmm"  getch        HAVE_LIBWINMM)
+endif()
+
+# check SSL libraries
+# TODO support GNUTLS, NSS, POLARSSL, AXTLS, CYASSL
+
+if(APPLE)
+  option(CMAKE_USE_DARWINSSL "enable Apple OS native SSL/TLS" OFF)
+endif()
+if(WIN32)
+  option(CMAKE_USE_WINSSL "enable Windows native SSL/TLS" OFF)
+  cmake_dependent_option(CURL_WINDOWS_SSPI "Use windows libraries to allow NTLM authentication without openssl" ON
+    CMAKE_USE_WINSSL OFF)
+endif()
+option(CMAKE_USE_MBEDTLS "Enable mbedTLS for SSL/TLS" OFF)
+
+set(openssl_default ON)
+if(WIN32 OR CMAKE_USE_DARWINSSL OR CMAKE_USE_WINSSL OR CMAKE_USE_MBEDTLS)
+  set(openssl_default OFF)
+endif()
+option(CMAKE_USE_OPENSSL "Use OpenSSL code. Experimental" ${openssl_default})
+
+collect_true(enabled_ssl_options enabled_ssl_options_count
+  CMAKE_USE_WINSSL
+  CMAKE_USE_DARWINSSL
+  CMAKE_USE_OPENSSL
+  CMAKE_USE_MBEDTLS
+)
+if(enabled_ssl_options_count GREATER 1)
+  message(FATAL_ERROR "Multiple SSL options specified: ${enabled_ssl_options}. Please pick at most one and disable the rest.")
+endif()
+
+if(CMAKE_USE_WINSSL)
+  set(SSL_ENABLED ON)
+  set(USE_SCHANNEL ON) # Windows native SSL/TLS support
+  set(USE_WINDOWS_SSPI ON) # CMAKE_USE_WINSSL implies CURL_WINDOWS_SSPI
+  list(APPEND CURL_LIBS "crypt32")
+endif()
+if(CURL_WINDOWS_SSPI)
+  set(USE_WINDOWS_SSPI ON)
+  set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -DSECURITY_WIN32")
+endif()
+
+if(CMAKE_USE_DARWINSSL)
+  find_library(COREFOUNDATION_FRAMEWORK "CoreFoundation")
+  if(NOT COREFOUNDATION_FRAMEWORK)
+      message(FATAL_ERROR "CoreFoundation framework not found")
+  endif()
+
+  find_library(SECURITY_FRAMEWORK "Security")
+  if(NOT SECURITY_FRAMEWORK)
+     message(FATAL_ERROR "Security framework not found")
+  endif()
+
+  set(SSL_ENABLED ON)
+  set(USE_DARWINSSL ON)
+  list(APPEND CURL_LIBS "${COREFOUNDATION_FRAMEWORK}" "${SECURITY_FRAMEWORK}")
+endif()
+
+if(CMAKE_USE_OPENSSL)
+  find_package(OpenSSL REQUIRED)
+  set(SSL_ENABLED ON)
+  set(USE_OPENSSL ON)
+  set(HAVE_LIBCRYPTO ON)
+  set(HAVE_LIBSSL ON)
+  list(APPEND CURL_LIBS ${OPENSSL_LIBRARIES})
+  include_directories(${OPENSSL_INCLUDE_DIR})
+  set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
+  check_include_file("openssl/crypto.h" HAVE_OPENSSL_CRYPTO_H)
+  check_include_file("openssl/engine.h" HAVE_OPENSSL_ENGINE_H)
+  check_include_file("openssl/err.h"    HAVE_OPENSSL_ERR_H)
+  check_include_file("openssl/pem.h"    HAVE_OPENSSL_PEM_H)
+  check_include_file("openssl/rsa.h"    HAVE_OPENSSL_RSA_H)
+  check_include_file("openssl/ssl.h"    HAVE_OPENSSL_SSL_H)
+  check_include_file("openssl/x509.h"   HAVE_OPENSSL_X509_H)
+  check_include_file("openssl/rand.h"   HAVE_OPENSSL_RAND_H)
+  check_symbol_exists(RAND_status "${CURL_INCLUDES}" HAVE_RAND_STATUS)
+  check_symbol_exists(RAND_screen "${CURL_INCLUDES}" HAVE_RAND_SCREEN)
+  check_symbol_exists(RAND_egd    "${CURL_INCLUDES}" HAVE_RAND_EGD)
+endif()
+
+if(CMAKE_USE_MBEDTLS)
+  find_package(MbedTLS REQUIRED)
+  set(SSL_ENABLED ON)
+  set(USE_MBEDTLS ON)
+  list(APPEND CURL_LIBS ${MBEDTLS_LIBRARIES})
+  include_directories(${MBEDTLS_INCLUDE_DIRS})
+endif()
+
+option(USE_NGHTTP2 "Use Nghttp2 library" OFF)
+if(USE_NGHTTP2)
+  find_package(NGHTTP2 REQUIRED)
+  include_directories(${NGHTTP2_INCLUDE_DIRS})
+  list(APPEND CURL_LIBS ${NGHTTP2_LIBRARIES})
+endif()
+
+if(NOT CURL_DISABLE_LDAP)
+  if(WIN32)
+    option(USE_WIN32_LDAP "Use Windows LDAP implementation" ON)
+    if(USE_WIN32_LDAP)
+      check_library_exists_concat("wldap32" cldap_open HAVE_WLDAP32)
+      if(NOT HAVE_WLDAP32)
+        set(USE_WIN32_LDAP OFF)
+      endif()
+    endif()
+  endif()
+
+  option(CMAKE_USE_OPENLDAP "Use OpenLDAP code." OFF)
+  mark_as_advanced(CMAKE_USE_OPENLDAP)
+  set(CMAKE_LDAP_LIB "ldap" CACHE STRING "Name or full path to ldap library")
+  set(CMAKE_LBER_LIB "lber" CACHE STRING "Name or full path to lber library")
+
+  if(CMAKE_USE_OPENLDAP AND USE_WIN32_LDAP)
+    message(FATAL_ERROR "Cannot use USE_WIN32_LDAP and CMAKE_USE_OPENLDAP at the same time")
+  endif()
+
+  # Now that we know, we're not using windows LDAP...
+  if(USE_WIN32_LDAP)
+    check_include_file_concat("winldap.h" HAVE_WINLDAP_H)
+    check_include_file_concat("winber.h"  HAVE_WINBER_H)
+  else()
+    # Check for LDAP
+    set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_LIBRARIES})
+    check_library_exists_concat(${CMAKE_LDAP_LIB} ldap_init HAVE_LIBLDAP)
+    check_library_exists_concat(${CMAKE_LBER_LIB} ber_init HAVE_LIBLBER)
+
+    set(CMAKE_REQUIRED_INCLUDES_BAK ${CMAKE_REQUIRED_INCLUDES})
+    set(CMAKE_LDAP_INCLUDE_DIR "" CACHE STRING "Path to LDAP include directory")
+    if(CMAKE_LDAP_INCLUDE_DIR)
+      list(APPEND CMAKE_REQUIRED_INCLUDES ${CMAKE_LDAP_INCLUDE_DIR})
+    endif()
+    check_include_file_concat("ldap.h"           HAVE_LDAP_H)
+    check_include_file_concat("lber.h"           HAVE_LBER_H)
+
+    if(NOT HAVE_LDAP_H)
+      message(STATUS "LDAP_H not found CURL_DISABLE_LDAP set ON")
+      set(CURL_DISABLE_LDAP ON CACHE BOOL "" FORCE)
+      set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES_BAK}) #LDAP includes won't be used
+    elseif(NOT HAVE_LIBLDAP)
+      message(STATUS "LDAP library '${CMAKE_LDAP_LIB}' not found CURL_DISABLE_LDAP set ON")
+      set(CURL_DISABLE_LDAP ON CACHE BOOL "" FORCE)
+      set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES_BAK}) #LDAP includes won't be used
+    else()
+      if(CMAKE_USE_OPENLDAP)
+        set(USE_OPENLDAP ON)
+      endif()
+      if(CMAKE_LDAP_INCLUDE_DIR)
+        include_directories(${CMAKE_LDAP_INCLUDE_DIR})
+      endif()
+      set(NEED_LBER_H ON)
+      set(_HEADER_LIST)
+      if(HAVE_WINDOWS_H)
+        list(APPEND _HEADER_LIST "windows.h")
+      endif()
+      if(HAVE_SYS_TYPES_H)
+        list(APPEND _HEADER_LIST "sys/types.h")
+      endif()
+      list(APPEND _HEADER_LIST "ldap.h")
+
+      set(_SRC_STRING "")
+      foreach(_HEADER ${_HEADER_LIST})
+        set(_INCLUDE_STRING "${_INCLUDE_STRING}#include <${_HEADER}>\n")
+      endforeach()
+
+      set(_SRC_STRING
+        "
+        ${_INCLUDE_STRING}
+        int main(int argc, char ** argv)
+        {
+          BerValue *bvp = NULL;
+          BerElement *bep = ber_init(bvp);
+          ber_free(bep, 1);
+          return 0;
+        }"
+      )
+      set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -DLDAP_DEPRECATED=1")
+      list(APPEND CMAKE_REQUIRED_LIBRARIES ${CMAKE_LDAP_LIB})
+      if(HAVE_LIBLBER)
+        list(APPEND CMAKE_REQUIRED_LIBRARIES ${CMAKE_LBER_LIB})
+      endif()
+      check_c_source_compiles("${_SRC_STRING}" NOT_NEED_LBER_H)
+
+      if(NOT_NEED_LBER_H)
+        set(NEED_LBER_H OFF)
+      else()
+        set(CURL_TEST_DEFINES "${CURL_TEST_DEFINES} -DNEED_LBER_H")
+      endif()
+    endif()
+  endif()
+
+endif()
+
+# No ldap, no ldaps.
+if(CURL_DISABLE_LDAP)
+  if(NOT CURL_DISABLE_LDAPS)
+    message(STATUS "LDAP needs to be enabled to support LDAPS")
+    set(CURL_DISABLE_LDAPS ON CACHE BOOL "" FORCE)
+  endif()
+endif()
+
+if(NOT CURL_DISABLE_LDAPS)
+  check_include_file_concat("ldap_ssl.h" HAVE_LDAP_SSL_H)
+  check_include_file_concat("ldapssl.h"  HAVE_LDAPSSL_H)
+endif()
 
 # Check for idn
-CHECK_LIBRARY_EXISTS_CONCAT("idn" idna_to_ascii_lz HAVE_LIBIDN)
-
-# Check for LDAP
-CHECK_LIBRARY_EXISTS_CONCAT("ldap" ldap_init HAVE_LIBLDAP)
-# if(NOT HAVE_LIBLDAP)
-    # SET(CURL_DISABLE_LDAP ON)
-# endif(NOT HAVE_LIBLDAP)
+check_library_exists_concat("idn2" idn2_lookup_ul HAVE_LIBIDN2)
 
 # Check for symbol dlopen (same as HAVE_LIBDL)
-CHECK_LIBRARY_EXISTS("${CURL_LIBS}" dlopen "" HAVE_DLOPEN)
-
-# For other tests to use the same libraries
-SET(CMAKE_REQUIRED_LIBRARIES ${CURL_LIBS})
-
-OPTION(CURL_ZLIB "Set to ON to enable building cURL with zlib support." ON)
-SET(HAVE_LIBZ OFF)
-SET(HAVE_ZLIB_H OFF)
-SET(HAVE_ZLIB OFF)
-IF(CURL_ZLIB)  # AND CURL_CONFIG_HAS_BEEN_RUN_BEFORE
-       FIND_PACKAGE(ZLIB)
-       IF(ZLIB_FOUND)
-               SET(HAVE_ZLIB_H ON)
-               SET(HAVE_ZLIB ON)
-               SET(HAVE_LIBZ ON)
-       ENDIF()
-ENDIF()
-
-# If we have features.h, then do the _BSD_SOURCE magic
-CHECK_INCLUDE_FILE("features.h"       HAVE_FEATURES_H)
-
-# Check if header file exists and add it to the list.
-MACRO(CHECK_INCLUDE_FILE_CONCAT FILE VARIABLE)
-  CHECK_INCLUDE_FILES("${CURL_INCLUDES};${FILE}" ${VARIABLE})
-  IF(${VARIABLE})
-    SET(CURL_INCLUDES ${CURL_INCLUDES} ${FILE})
-    SET(CURL_TEST_DEFINES "${CURL_TEST_DEFINES} -D${VARIABLE}")
-  ENDIF(${VARIABLE})
-ENDMACRO(CHECK_INCLUDE_FILE_CONCAT)
+check_library_exists("${CURL_LIBS}" dlopen "" HAVE_DLOPEN)
+
+option(CURL_ZLIB "Set to ON to enable building curl with zlib support." ON)
+set(HAVE_LIBZ OFF)
+set(HAVE_ZLIB_H OFF)
+set(HAVE_ZLIB OFF)
+if(CURL_ZLIB)
+  find_package(ZLIB QUIET)
+  if(ZLIB_FOUND)
+    set(HAVE_ZLIB_H ON)
+    set(HAVE_ZLIB ON)
+    set(HAVE_LIBZ ON)
+    list(APPEND CURL_LIBS ${ZLIB_LIBRARIES})
+    include_directories(${ZLIB_INCLUDE_DIRS})
+    list(APPEND CMAKE_REQUIRED_INCLUDES ${ZLIB_INCLUDE_DIRS})
+  endif()
+endif()
+
+#libSSH2
+option(CMAKE_USE_LIBSSH2 "Use libSSH2" ON)
+mark_as_advanced(CMAKE_USE_LIBSSH2)
+set(USE_LIBSSH2 OFF)
+set(HAVE_LIBSSH2 OFF)
+set(HAVE_LIBSSH2_H OFF)
+
+if(CMAKE_USE_LIBSSH2)
+  find_package(LibSSH2)
+  if(LIBSSH2_FOUND)
+    list(APPEND CURL_LIBS ${LIBSSH2_LIBRARY})
+    set(CMAKE_REQUIRED_LIBRARIES ${LIBSSH2_LIBRARY})
+    list(APPEND CMAKE_REQUIRED_INCLUDES "${LIBSSH2_INCLUDE_DIR}")
+    include_directories("${LIBSSH2_INCLUDE_DIR}")
+    set(HAVE_LIBSSH2 ON)
+    set(USE_LIBSSH2 ON)
+
+    # find_package has already found the headers
+    set(HAVE_LIBSSH2_H ON)
+    set(CURL_INCLUDES ${CURL_INCLUDES} "${LIBSSH2_INCLUDE_DIR}/libssh2.h")
+    set(CURL_TEST_DEFINES "${CURL_TEST_DEFINES} -DHAVE_LIBSSH2_H")
+
+    # now check for specific libssh2 symbols as they were added in different versions
+    set(CMAKE_EXTRA_INCLUDE_FILES "libssh2.h")
+    check_function_exists(libssh2_version           HAVE_LIBSSH2_VERSION)
+    check_function_exists(libssh2_init              HAVE_LIBSSH2_INIT)
+    check_function_exists(libssh2_exit              HAVE_LIBSSH2_EXIT)
+    check_function_exists(libssh2_scp_send64        HAVE_LIBSSH2_SCP_SEND64)
+    check_function_exists(libssh2_session_handshake HAVE_LIBSSH2_SESSION_HANDSHAKE)
+    set(CMAKE_EXTRA_INCLUDE_FILES "")
+
+  endif(LIBSSH2_FOUND)
+endif(CMAKE_USE_LIBSSH2)
+
+option(CMAKE_USE_GSSAPI "Use GSSAPI implementation (right now only Heimdal is supported with CMake build)" OFF)
+mark_as_advanced(CMAKE_USE_GSSAPI)
+
+if(CMAKE_USE_GSSAPI)
+  find_package(GSS)
+
+  set(HAVE_GSSAPI ${GSS_FOUND})
+  if(GSS_FOUND)
+
+    message(STATUS "Found ${GSS_FLAVOUR} GSSAPI version: \"${GSS_VERSION}\"")
+
+    list(APPEND CMAKE_REQUIRED_INCLUDES ${GSS_INCLUDE_DIRECTORIES})
+    check_include_file_concat("gssapi/gssapi.h"  HAVE_GSSAPI_GSSAPI_H)
+    check_include_file_concat("gssapi/gssapi_generic.h" HAVE_GSSAPI_GSSAPI_GENERIC_H)
+    check_include_file_concat("gssapi/gssapi_krb5.h" HAVE_GSSAPI_GSSAPI_KRB5_H)
+
+    if(GSS_FLAVOUR STREQUAL "Heimdal")
+      set(HAVE_GSSHEIMDAL ON)
+    else() # MIT
+      set(HAVE_GSSMIT ON)
+      set(_INCLUDE_LIST "")
+      if(HAVE_GSSAPI_GSSAPI_H)
+        list(APPEND _INCLUDE_LIST "gssapi/gssapi.h")
+      endif()
+      if(HAVE_GSSAPI_GSSAPI_GENERIC_H)
+        list(APPEND _INCLUDE_LIST "gssapi/gssapi_generic.h")
+      endif()
+      if(HAVE_GSSAPI_GSSAPI_KRB5_H)
+        list(APPEND _INCLUDE_LIST "gssapi/gssapi_krb5.h")
+      endif()
+
+      string(REPLACE ";" " " _COMPILER_FLAGS_STR "${GSS_COMPILER_FLAGS}")
+      string(REPLACE ";" " " _LINKER_FLAGS_STR "${GSS_LINKER_FLAGS}")
+
+      foreach(_dir ${GSS_LINK_DIRECTORIES})
+        set(_LINKER_FLAGS_STR "${_LINKER_FLAGS_STR} -L\"${_dir}\"")
+      endforeach()
+
+      set(CMAKE_REQUIRED_FLAGS "${_COMPILER_FLAGS_STR} ${_LINKER_FLAGS_STR}")
+      set(CMAKE_REQUIRED_LIBRARIES ${GSS_LIBRARIES})
+      check_symbol_exists("GSS_C_NT_HOSTBASED_SERVICE" ${_INCLUDE_LIST} HAVE_GSS_C_NT_HOSTBASED_SERVICE)
+      if(NOT HAVE_GSS_C_NT_HOSTBASED_SERVICE)
+        set(HAVE_OLD_GSSMIT ON)
+      endif()
+
+    endif()
+
+    include_directories(${GSS_INCLUDE_DIRECTORIES})
+    link_directories(${GSS_LINK_DIRECTORIES})
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${GSS_COMPILER_FLAGS}")
+    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${GSS_LINKER_FLAGS}")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${GSS_LINKER_FLAGS}")
+    list(APPEND CURL_LIBS ${GSS_LIBRARIES})
+
+  else()
+    message(WARNING "GSSAPI support has been requested but no supporting libraries found. Skipping.")
+  endif()
+endif()
+
+option(ENABLE_UNIX_SOCKETS "Define if you want Unix domain sockets support" ON)
+if(ENABLE_UNIX_SOCKETS)
+  include(CheckStructHasMember)
+  check_struct_has_member("struct sockaddr_un" sun_path "sys/un.h" USE_UNIX_SOCKETS)
+else()
+  unset(USE_UNIX_SOCKETS CACHE)
+endif()
+
+
+#
+# CA handling
+#
+set(CURL_CA_BUNDLE "auto" CACHE STRING
+    "Path to the CA bundle. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
+set(CURL_CA_FALLBACK OFF CACHE BOOL
+    "Set ON to use built-in CA store of TLS backend. Defaults to OFF")
+set(CURL_CA_PATH "auto" CACHE STRING
+    "Location of default CA path. Set 'none' to disable or 'auto' for auto-detection. Defaults to 'auto'.")
+
+if("${CURL_CA_BUNDLE}" STREQUAL "")
+    message(FATAL_ERROR "Invalid value of CURL_CA_BUNDLE. Use 'none', 'auto' or file path.")
+elseif("${CURL_CA_BUNDLE}" STREQUAL "none")
+    unset(CURL_CA_BUNDLE CACHE)
+elseif("${CURL_CA_BUNDLE}" STREQUAL "auto")
+    unset(CURL_CA_BUNDLE CACHE)
+    set(CURL_CA_BUNDLE_AUTODETECT TRUE)
+else()
+    set(CURL_CA_BUNDLE_SET TRUE)
+endif()
+
+if("${CURL_CA_PATH}" STREQUAL "")
+    message(FATAL_ERROR "Invalid value of CURL_CA_PATH. Use 'none', 'auto' or directory path.")
+elseif("${CURL_CA_PATH}" STREQUAL "none")
+    unset(CURL_CA_PATH CACHE)
+elseif("${CURL_CA_PATH}" STREQUAL "auto")
+    unset(CURL_CA_PATH CACHE)
+    set(CURL_CA_PATH_AUTODETECT TRUE)
+else()
+    set(CURL_CA_PATH_SET TRUE)
+endif()
+
+if(CURL_CA_BUNDLE_SET AND CURL_CA_PATH_AUTODETECT)
+    # Skip autodetection of unset CA path because CA bundle is set explicitly
+elseif(CURL_CA_PATH_SET AND CURL_CA_BUNDLE_AUTODETECT)
+    # Skip autodetection of unset CA bundle because CA path is set explicitly
+elseif(CURL_CA_PATH_AUTODETECT OR CURL_CA_BUNDLE_AUTODETECT)
+    # first try autodetecting a CA bundle, then a CA path
+
+    if(CURL_CA_BUNDLE_AUTODETECT)
+        set(SEARCH_CA_BUNDLE_PATHS
+            /etc/ssl/certs/ca-certificates.crt
+            /etc/pki/tls/certs/ca-bundle.crt
+            /usr/share/ssl/certs/ca-bundle.crt
+            /usr/local/share/certs/ca-root-nss.crt
+            /etc/ssl/cert.pem)
+
+        foreach(SEARCH_CA_BUNDLE_PATH ${SEARCH_CA_BUNDLE_PATHS})
+            if(EXISTS "${SEARCH_CA_BUNDLE_PATH}")
+                message(STATUS "Found CA bundle: ${SEARCH_CA_BUNDLE_PATH}")
+                set(CURL_CA_BUNDLE "${SEARCH_CA_BUNDLE_PATH}")
+                set(CURL_CA_BUNDLE_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
+                break()
+            endif()
+        endforeach()
+    endif()
+
+    if(CURL_CA_PATH_AUTODETECT AND (NOT CURL_CA_PATH_SET))
+        if(EXISTS "/etc/ssl/certs")
+            set(CURL_CA_PATH "/etc/ssl/certs")
+            set(CURL_CA_PATH_SET TRUE CACHE BOOL "Path to the CA bundle has been set")
+        endif()
+    endif()
+endif()
+
+if(CURL_CA_PATH_SET AND NOT USE_OPENSSL AND NOT USE_MBEDTLS)
+    message(FATAL_ERROR
+            "CA path only supported by OpenSSL, GnuTLS or mbed TLS. "
+            "Set CURL_CA_PATH=none or enable one of those TLS backends.")
+endif()
 
 
 # Check for header files
-IF(NOT UNIX)
-  CHECK_INCLUDE_FILE_CONCAT("ws2tcpip.h"     HAVE_WS2TCPIP_H)
-  CHECK_INCLUDE_FILE_CONCAT("winsock2.h"     HAVE_WINSOCK2_H)
-ENDIF(NOT UNIX)
-CHECK_INCLUDE_FILE_CONCAT("stdio.h"          HAVE_STDIO_H)
-IF(NOT UNIX)
-  CHECK_INCLUDE_FILE_CONCAT("windows.h"      HAVE_WINDOWS_H)
-  CHECK_INCLUDE_FILE_CONCAT("winsock.h"      HAVE_WINSOCK_H)
-ENDIF(NOT UNIX)
-
-CHECK_INCLUDE_FILE_CONCAT("inttypes.h"       HAVE_INTTYPES_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/filio.h"      HAVE_SYS_FILIO_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/ioctl.h"      HAVE_SYS_IOCTL_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/param.h"      HAVE_SYS_PARAM_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/poll.h"       HAVE_SYS_POLL_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/resource.h"   HAVE_SYS_RESOURCE_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/select.h"     HAVE_SYS_SELECT_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/socket.h"     HAVE_SYS_SOCKET_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/sockio.h"     HAVE_SYS_SOCKIO_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/stat.h"       HAVE_SYS_STAT_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/time.h"       HAVE_SYS_TIME_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/types.h"      HAVE_SYS_TYPES_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/uio.h"        HAVE_SYS_UIO_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/un.h"         HAVE_SYS_UN_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/utime.h"      HAVE_SYS_UTIME_H)
-CHECK_INCLUDE_FILE_CONCAT("alloca.h"         HAVE_ALLOCA_H)
-CHECK_INCLUDE_FILE_CONCAT("arpa/inet.h"      HAVE_ARPA_INET_H)
-CHECK_INCLUDE_FILE_CONCAT("arpa/tftp.h"      HAVE_ARPA_TFTP_H)
-CHECK_INCLUDE_FILE_CONCAT("assert.h"         HAVE_ASSERT_H)
-CHECK_INCLUDE_FILE_CONCAT("crypto.h"         HAVE_CRYPTO_H)
-CHECK_INCLUDE_FILE_CONCAT("des.h"            HAVE_DES_H)
-CHECK_INCLUDE_FILE_CONCAT("err.h"            HAVE_ERR_H)
-CHECK_INCLUDE_FILE_CONCAT("errno.h"          HAVE_ERRNO_H)
-CHECK_INCLUDE_FILE_CONCAT("fcntl.h"          HAVE_FCNTL_H)
-CHECK_INCLUDE_FILE_CONCAT("gssapi/gssapi.h"  HAVE_GSSAPI_GSSAPI_H)
-CHECK_INCLUDE_FILE_CONCAT("gssapi/gssapi_generic.h" HAVE_GSSAPI_GSSAPI_GENERIC_H)
-CHECK_INCLUDE_FILE_CONCAT("gssapi/gssapi_krb5.h" HAVE_GSSAPI_GSSAPI_KRB5_H)
-CHECK_INCLUDE_FILE_CONCAT("idn-free.h"       HAVE_IDN_FREE_H)
-CHECK_INCLUDE_FILE_CONCAT("ifaddrs.h"        HAVE_IFADDRS_H)
-CHECK_INCLUDE_FILE_CONCAT("io.h"             HAVE_IO_H)
-CHECK_INCLUDE_FILE_CONCAT("krb.h"            HAVE_KRB_H)
-CHECK_INCLUDE_FILE_CONCAT("libgen.h"         HAVE_LIBGEN_H)
-CHECK_INCLUDE_FILE_CONCAT("libssh2.h"        HAVE_LIBSSH2_H)
-CHECK_INCLUDE_FILE_CONCAT("limits.h"         HAVE_LIMITS_H)
-CHECK_INCLUDE_FILE_CONCAT("locale.h"         HAVE_LOCALE_H)
-CHECK_INCLUDE_FILE_CONCAT("net/if.h"         HAVE_NET_IF_H)
-CHECK_INCLUDE_FILE_CONCAT("netdb.h"          HAVE_NETDB_H)
-CHECK_INCLUDE_FILE_CONCAT("netinet/in.h"     HAVE_NETINET_IN_H)
-CHECK_INCLUDE_FILE_CONCAT("netinet/tcp.h"    HAVE_NETINET_TCP_H)
-CHECK_INCLUDE_FILE_CONCAT("openssl/crypto.h" HAVE_OPENSSL_CRYPTO_H)
-CHECK_INCLUDE_FILE_CONCAT("openssl/engine.h" HAVE_OPENSSL_ENGINE_H)
-CHECK_INCLUDE_FILE_CONCAT("openssl/err.h"    HAVE_OPENSSL_ERR_H)
-CHECK_INCLUDE_FILE_CONCAT("openssl/pem.h"    HAVE_OPENSSL_PEM_H)
-CHECK_INCLUDE_FILE_CONCAT("openssl/pkcs12.h" HAVE_OPENSSL_PKCS12_H)
-CHECK_INCLUDE_FILE_CONCAT("openssl/rsa.h"    HAVE_OPENSSL_RSA_H)
-CHECK_INCLUDE_FILE_CONCAT("openssl/ssl.h"    HAVE_OPENSSL_SSL_H)
-CHECK_INCLUDE_FILE_CONCAT("openssl/x509.h"   HAVE_OPENSSL_X509_H)
-CHECK_INCLUDE_FILE_CONCAT("pem.h"            HAVE_PEM_H)
-CHECK_INCLUDE_FILE_CONCAT("poll.h"           HAVE_POLL_H)
-CHECK_INCLUDE_FILE_CONCAT("pwd.h"            HAVE_PWD_H)
-CHECK_INCLUDE_FILE_CONCAT("rsa.h"            HAVE_RSA_H)
-CHECK_INCLUDE_FILE_CONCAT("setjmp.h"         HAVE_SETJMP_H)
-CHECK_INCLUDE_FILE_CONCAT("sgtty.h"          HAVE_SGTTY_H)
-CHECK_INCLUDE_FILE_CONCAT("signal.h"         HAVE_SIGNAL_H)
-CHECK_INCLUDE_FILE_CONCAT("ssl.h"            HAVE_SSL_H)
-CHECK_INCLUDE_FILE_CONCAT("stdbool.h"        HAVE_STDBOOL_H)
-CHECK_INCLUDE_FILE_CONCAT("stdint.h"         HAVE_STDINT_H)
-CHECK_INCLUDE_FILE_CONCAT("stdio.h"          HAVE_STDIO_H)
-CHECK_INCLUDE_FILE_CONCAT("stdlib.h"         HAVE_STDLIB_H)
-CHECK_INCLUDE_FILE_CONCAT("string.h"         HAVE_STRING_H)
-CHECK_INCLUDE_FILE_CONCAT("strings.h"        HAVE_STRINGS_H)
-CHECK_INCLUDE_FILE_CONCAT("stropts.h"        HAVE_STROPTS_H)
-CHECK_INCLUDE_FILE_CONCAT("termio.h"         HAVE_TERMIO_H)
-CHECK_INCLUDE_FILE_CONCAT("termios.h"        HAVE_TERMIOS_H)
-CHECK_INCLUDE_FILE_CONCAT("time.h"           HAVE_TIME_H)
-CHECK_INCLUDE_FILE_CONCAT("tld.h"            HAVE_TLD_H)
-CHECK_INCLUDE_FILE_CONCAT("unistd.h"         HAVE_UNISTD_H)
-CHECK_INCLUDE_FILE_CONCAT("utime.h"          HAVE_UTIME_H)
-CHECK_INCLUDE_FILE_CONCAT("x509.h"           HAVE_X509_H)
-
-CHECK_INCLUDE_FILE_CONCAT("process.h"        HAVE_PROCESS_H)
-CHECK_INCLUDE_FILE_CONCAT("stddef.h"         HAVE_STDDEF_H)
-CHECK_INCLUDE_FILE_CONCAT("dlfcn.h"          HAVE_DLFCN_H)
-CHECK_INCLUDE_FILE_CONCAT("malloc.h"         HAVE_MALLOC_H)
-CHECK_INCLUDE_FILE_CONCAT("memory.h"         HAVE_MEMORY_H)
-CHECK_INCLUDE_FILE_CONCAT("ldap.h"           HAVE_LDAP_H)
-CHECK_INCLUDE_FILE_CONCAT("netinet/if_ether.h" HAVE_NETINET_IF_ETHER_H)
-CHECK_INCLUDE_FILE_CONCAT("stdint.h"        HAVE_STDINT_H)
-CHECK_INCLUDE_FILE_CONCAT("sockio.h"        HAVE_SOCKIO_H)
-CHECK_INCLUDE_FILE_CONCAT("sys/utsname.h"   HAVE_SYS_UTSNAME_H)
-CHECK_INCLUDE_FILE_CONCAT("idna.h"          HAVE_IDNA_H)
-
-IF(CMAKE_USE_OPENSSL)
-  CHECK_INCLUDE_FILE_CONCAT("openssl/rand.h"   HAVE_OPENSSL_RAND_H)
-ENDIF(CMAKE_USE_OPENSSL)
-
-
-CHECK_TYPE_SIZE(size_t  SIZEOF_SIZE_T)
-CHECK_TYPE_SIZE(ssize_t  SIZEOF_SSIZE_T)
-CHECK_TYPE_SIZE("long long"  SIZEOF_LONG_LONG)
-CHECK_TYPE_SIZE("long"  SIZEOF_LONG)
-CHECK_TYPE_SIZE("__int64"  SIZEOF___INT64)
-CHECK_TYPE_SIZE("long double"  SIZEOF_LONG_DOUBLE)
-CHECK_TYPE_SIZE("time_t"  SIZEOF_TIME_T)
-IF(NOT HAVE_SIZEOF_SSIZE_T)
-  IF(SIZEOF_LONG EQUAL SIZEOF_SIZE_T)
-    SET(ssize_t long)
-  ENDIF(SIZEOF_LONG EQUAL SIZEOF_SIZE_T)
-  IF(NOT ssize_t AND SIZEOF___INT64 EQUAL SIZEOF_SIZE_T)
-    SET(ssize_t __int64)
-  ENDIF(NOT ssize_t AND SIZEOF___INT64 EQUAL SIZEOF_SIZE_T)
-ENDIF(NOT HAVE_SIZEOF_SSIZE_T)
-
-# Different sizeofs, etc.
-
-#    define CURL_SIZEOF_LONG        4
-#    define CURL_TYPEOF_CURL_OFF_T  long long
-#    define CURL_FORMAT_CURL_OFF_T  "lld"
-#    define CURL_FORMAT_CURL_OFF_TU "llu"
-#    define CURL_FORMAT_OFF_T       "%lld"
-#    define CURL_SIZEOF_CURL_OFF_T  8
-#    define CURL_SUFFIX_CURL_OFF_T  LL
-#    define CURL_SUFFIX_CURL_OFF_TU ULL
-
-set(CURL_SIZEOF_LONG ${SIZEOF_LONG})
-
-if(SIZEOF_LONG EQUAL 8)
-  set(CURL_TYPEOF_CURL_OFF_T long)
-  set(CURL_SIZEOF_CURL_OFF_T 8)
-  set(CURL_FORMAT_CURL_OFF_T "ld")
-  set(CURL_FORMAT_CURL_OFF_TU "lu")
-  set(CURL_FORMAT_OFF_T "%ld")
-  set(CURL_SUFFIX_CURL_OFF_T L)
-  set(CURL_SUFFIX_CURL_OFF_TU LU)
-endif(SIZEOF_LONG EQUAL 8)
-
-if(SIZEOF_LONG_LONG EQUAL 8)
-  set(CURL_TYPEOF_CURL_OFF_T "long long")
-  set(CURL_SIZEOF_CURL_OFF_T 8)
-  set(CURL_FORMAT_CURL_OFF_T "lld")
-  set(CURL_FORMAT_CURL_OFF_TU "llu")
-  set(CURL_FORMAT_OFF_T "%lld")
-  set(CURL_SUFFIX_CURL_OFF_T LL)
-  set(CURL_SUFFIX_CURL_OFF_TU LLU)
-endif(SIZEOF_LONG_LONG EQUAL 8)
-
-if(NOT CURL_TYPEOF_CURL_OFF_T)
-  set(CURL_TYPEOF_CURL_OFF_T ${ssize_t})
-  set(CURL_SIZEOF_CURL_OFF_T ${SIZEOF_SSIZE_T})
-  # TODO: need adjustment here.
-  set(CURL_FORMAT_CURL_OFF_T "ld")
-  set(CURL_FORMAT_CURL_OFF_TU "lu")
-  set(CURL_FORMAT_OFF_T "%ld")
-  set(CURL_SUFFIX_CURL_OFF_T L)
-  set(CURL_SUFFIX_CURL_OFF_TU LU)
-endif(NOT CURL_TYPEOF_CURL_OFF_T)
-
-IF(HAVE_SIZEOF_LONG_LONG)
-  SET(HAVE_LONGLONG 1)
-  SET(HAVE_LL 1)
-ENDIF(HAVE_SIZEOF_LONG_LONG)
-
-FIND_FILE(RANDOM_FILE urandom /dev)
-MARK_AS_ADVANCED(RANDOM_FILE)
+if(NOT UNIX)
+  check_include_file_concat("windows.h"      HAVE_WINDOWS_H)
+  check_include_file_concat("winsock.h"      HAVE_WINSOCK_H)
+  check_include_file_concat("ws2tcpip.h"     HAVE_WS2TCPIP_H)
+  check_include_file_concat("winsock2.h"     HAVE_WINSOCK2_H)
+  if(NOT CURL_WINDOWS_SSPI AND USE_OPENSSL)
+    set(CURL_LIBS ${CURL_LIBS} "crypt32")
+  endif()
+endif(NOT UNIX)
+
+check_include_file_concat("stdio.h"          HAVE_STDIO_H)
+check_include_file_concat("inttypes.h"       HAVE_INTTYPES_H)
+check_include_file_concat("sys/filio.h"      HAVE_SYS_FILIO_H)
+check_include_file_concat("sys/ioctl.h"      HAVE_SYS_IOCTL_H)
+check_include_file_concat("sys/param.h"      HAVE_SYS_PARAM_H)
+check_include_file_concat("sys/poll.h"       HAVE_SYS_POLL_H)
+check_include_file_concat("sys/resource.h"   HAVE_SYS_RESOURCE_H)
+check_include_file_concat("sys/select.h"     HAVE_SYS_SELECT_H)
+check_include_file_concat("sys/socket.h"     HAVE_SYS_SOCKET_H)
+check_include_file_concat("sys/sockio.h"     HAVE_SYS_SOCKIO_H)
+check_include_file_concat("sys/stat.h"       HAVE_SYS_STAT_H)
+check_include_file_concat("sys/time.h"       HAVE_SYS_TIME_H)
+check_include_file_concat("sys/types.h"      HAVE_SYS_TYPES_H)
+check_include_file_concat("sys/uio.h"        HAVE_SYS_UIO_H)
+check_include_file_concat("sys/un.h"         HAVE_SYS_UN_H)
+check_include_file_concat("sys/utime.h"      HAVE_SYS_UTIME_H)
+check_include_file_concat("sys/xattr.h"      HAVE_SYS_XATTR_H)
+check_include_file_concat("alloca.h"         HAVE_ALLOCA_H)
+check_include_file_concat("arpa/inet.h"      HAVE_ARPA_INET_H)
+check_include_file_concat("arpa/tftp.h"      HAVE_ARPA_TFTP_H)
+check_include_file_concat("assert.h"         HAVE_ASSERT_H)
+check_include_file_concat("crypto.h"         HAVE_CRYPTO_H)
+check_include_file_concat("des.h"            HAVE_DES_H)
+check_include_file_concat("err.h"            HAVE_ERR_H)
+check_include_file_concat("errno.h"          HAVE_ERRNO_H)
+check_include_file_concat("fcntl.h"          HAVE_FCNTL_H)
+check_include_file_concat("idn2.h"           HAVE_IDN2_H)
+check_include_file_concat("ifaddrs.h"        HAVE_IFADDRS_H)
+check_include_file_concat("io.h"             HAVE_IO_H)
+check_include_file_concat("krb.h"            HAVE_KRB_H)
+check_include_file_concat("libgen.h"         HAVE_LIBGEN_H)
+check_include_file_concat("locale.h"         HAVE_LOCALE_H)
+check_include_file_concat("net/if.h"         HAVE_NET_IF_H)
+check_include_file_concat("netdb.h"          HAVE_NETDB_H)
+check_include_file_concat("netinet/in.h"     HAVE_NETINET_IN_H)
+check_include_file_concat("netinet/tcp.h"    HAVE_NETINET_TCP_H)
+
+check_include_file_concat("pem.h"            HAVE_PEM_H)
+check_include_file_concat("poll.h"           HAVE_POLL_H)
+check_include_file_concat("pwd.h"            HAVE_PWD_H)
+check_include_file_concat("rsa.h"            HAVE_RSA_H)
+check_include_file_concat("setjmp.h"         HAVE_SETJMP_H)
+check_include_file_concat("sgtty.h"          HAVE_SGTTY_H)
+check_include_file_concat("signal.h"         HAVE_SIGNAL_H)
+check_include_file_concat("ssl.h"            HAVE_SSL_H)
+check_include_file_concat("stdbool.h"        HAVE_STDBOOL_H)
+check_include_file_concat("stdint.h"         HAVE_STDINT_H)
+check_include_file_concat("stdio.h"          HAVE_STDIO_H)
+check_include_file_concat("stdlib.h"         HAVE_STDLIB_H)
+check_include_file_concat("string.h"         HAVE_STRING_H)
+check_include_file_concat("strings.h"        HAVE_STRINGS_H)
+check_include_file_concat("stropts.h"        HAVE_STROPTS_H)
+check_include_file_concat("termio.h"         HAVE_TERMIO_H)
+check_include_file_concat("termios.h"        HAVE_TERMIOS_H)
+check_include_file_concat("time.h"           HAVE_TIME_H)
+check_include_file_concat("unistd.h"         HAVE_UNISTD_H)
+check_include_file_concat("utime.h"          HAVE_UTIME_H)
+check_include_file_concat("x509.h"           HAVE_X509_H)
+
+check_include_file_concat("process.h"        HAVE_PROCESS_H)
+check_include_file_concat("stddef.h"         HAVE_STDDEF_H)
+check_include_file_concat("dlfcn.h"          HAVE_DLFCN_H)
+check_include_file_concat("malloc.h"         HAVE_MALLOC_H)
+check_include_file_concat("memory.h"         HAVE_MEMORY_H)
+check_include_file_concat("netinet/if_ether.h" HAVE_NETINET_IF_ETHER_H)
+check_include_file_concat("stdint.h"        HAVE_STDINT_H)
+check_include_file_concat("sockio.h"        HAVE_SOCKIO_H)
+check_include_file_concat("sys/utsname.h"   HAVE_SYS_UTSNAME_H)
+
+check_type_size(size_t  SIZEOF_SIZE_T)
+check_type_size(ssize_t  SIZEOF_SSIZE_T)
+check_type_size("long long"  SIZEOF_LONG_LONG)
+check_type_size("long"  SIZEOF_LONG)
+check_type_size("short"  SIZEOF_SHORT)
+check_type_size("int"  SIZEOF_INT)
+check_type_size("__int64"  SIZEOF___INT64)
+check_type_size("long double"  SIZEOF_LONG_DOUBLE)
+check_type_size("time_t"  SIZEOF_TIME_T)
+if(NOT HAVE_SIZEOF_SSIZE_T)
+  if(SIZEOF_LONG EQUAL SIZEOF_SIZE_T)
+    set(ssize_t long)
+  endif(SIZEOF_LONG EQUAL SIZEOF_SIZE_T)
+  if(NOT ssize_t AND SIZEOF___INT64 EQUAL SIZEOF_SIZE_T)
+    set(ssize_t __int64)
+  endif(NOT ssize_t AND SIZEOF___INT64 EQUAL SIZEOF_SIZE_T)
+endif(NOT HAVE_SIZEOF_SSIZE_T)
+# off_t is sized later, after the HAVE_FILE_OFFSET_BITS test
+
+if(HAVE_SIZEOF_LONG_LONG)
+  set(HAVE_LONGLONG 1)
+  set(HAVE_LL 1)
+endif(HAVE_SIZEOF_LONG_LONG)
+
+find_file(RANDOM_FILE urandom /dev)
+mark_as_advanced(RANDOM_FILE)
 
 # Check for some functions that are used
-CHECK_SYMBOL_EXISTS(basename      "${CURL_INCLUDES}" HAVE_BASENAME)
-CHECK_SYMBOL_EXISTS(socket        "${CURL_INCLUDES}" HAVE_SOCKET)
-CHECK_SYMBOL_EXISTS(poll          "${CURL_INCLUDES}" HAVE_POLL)
-CHECK_SYMBOL_EXISTS(select        "${CURL_INCLUDES}" HAVE_SELECT)
-CHECK_SYMBOL_EXISTS(strdup        "${CURL_INCLUDES}" HAVE_STRDUP)
-CHECK_SYMBOL_EXISTS(strstr        "${CURL_INCLUDES}" HAVE_STRSTR)
-CHECK_SYMBOL_EXISTS(strtok_r      "${CURL_INCLUDES}" HAVE_STRTOK_R)
-CHECK_SYMBOL_EXISTS(strftime      "${CURL_INCLUDES}" HAVE_STRFTIME)
-CHECK_SYMBOL_EXISTS(uname         "${CURL_INCLUDES}" HAVE_UNAME)
-CHECK_SYMBOL_EXISTS(strcasecmp    "${CURL_INCLUDES}" HAVE_STRCASECMP)
-CHECK_SYMBOL_EXISTS(stricmp       "${CURL_INCLUDES}" HAVE_STRICMP)
-CHECK_SYMBOL_EXISTS(strcmpi       "${CURL_INCLUDES}" HAVE_STRCMPI)
-CHECK_SYMBOL_EXISTS(strncmpi      "${CURL_INCLUDES}" HAVE_STRNCMPI)
-CHECK_SYMBOL_EXISTS(alarm         "${CURL_INCLUDES}" HAVE_ALARM)
-IF(NOT HAVE_STRNCMPI)
-  SET(HAVE_STRCMPI)
-ENDIF(NOT HAVE_STRNCMPI)
-CHECK_SYMBOL_EXISTS(gethostbyaddr "${CURL_INCLUDES}" HAVE_GETHOSTBYADDR)
-CHECK_SYMBOL_EXISTS(gethostbyaddr_r "${CURL_INCLUDES}" HAVE_GETHOSTBYADDR_R)
-CHECK_SYMBOL_EXISTS(gettimeofday  "${CURL_INCLUDES}" HAVE_GETTIMEOFDAY)
-CHECK_SYMBOL_EXISTS(inet_addr     "${CURL_INCLUDES}" HAVE_INET_ADDR)
-CHECK_SYMBOL_EXISTS(inet_ntoa     "${CURL_INCLUDES}" HAVE_INET_NTOA)
-CHECK_SYMBOL_EXISTS(inet_ntoa_r   "${CURL_INCLUDES}" HAVE_INET_NTOA_R)
-CHECK_SYMBOL_EXISTS(tcsetattr     "${CURL_INCLUDES}" HAVE_TCSETATTR)
-CHECK_SYMBOL_EXISTS(tcgetattr     "${CURL_INCLUDES}" HAVE_TCGETATTR)
-CHECK_SYMBOL_EXISTS(perror        "${CURL_INCLUDES}" HAVE_PERROR)
-CHECK_SYMBOL_EXISTS(closesocket   "${CURL_INCLUDES}" HAVE_CLOSESOCKET)
-CHECK_SYMBOL_EXISTS(setvbuf       "${CURL_INCLUDES}" HAVE_SETVBUF)
-CHECK_SYMBOL_EXISTS(sigsetjmp     "${CURL_INCLUDES}" HAVE_SIGSETJMP)
-CHECK_SYMBOL_EXISTS(getpass_r     "${CURL_INCLUDES}" HAVE_GETPASS_R)
-CHECK_SYMBOL_EXISTS(strlcat       "${CURL_INCLUDES}" HAVE_STRLCAT)
-CHECK_SYMBOL_EXISTS(getpwuid      "${CURL_INCLUDES}" HAVE_GETPWUID)
-CHECK_SYMBOL_EXISTS(geteuid       "${CURL_INCLUDES}" HAVE_GETEUID)
-CHECK_SYMBOL_EXISTS(utime         "${CURL_INCLUDES}" HAVE_UTIME)
-IF(CMAKE_USE_OPENSSL)
-  CHECK_SYMBOL_EXISTS(RAND_status   "${CURL_INCLUDES}" HAVE_RAND_STATUS)
-  CHECK_SYMBOL_EXISTS(RAND_screen   "${CURL_INCLUDES}" HAVE_RAND_SCREEN)
-  CHECK_SYMBOL_EXISTS(RAND_egd      "${CURL_INCLUDES}" HAVE_RAND_EGD)
-  CHECK_SYMBOL_EXISTS(CRYPTO_cleanup_all_ex_data "${CURL_INCLUDES}" 
-    HAVE_CRYPTO_CLEANUP_ALL_EX_DATA)
-  IF(HAVE_LIBCRYPTO AND HAVE_LIBSSL)
-       SET(USE_OPENSSL 1)
-       SET(USE_SSLEAY 1)
-  ENDIF(HAVE_LIBCRYPTO AND HAVE_LIBSSL)
-ENDIF(CMAKE_USE_OPENSSL)
-CHECK_SYMBOL_EXISTS(gmtime_r      "${CURL_INCLUDES}" HAVE_GMTIME_R)
-CHECK_SYMBOL_EXISTS(localtime_r   "${CURL_INCLUDES}" HAVE_LOCALTIME_R)
-
-CHECK_SYMBOL_EXISTS(gethostbyname   "${CURL_INCLUDES}" HAVE_GETHOSTBYNAME)
-CHECK_SYMBOL_EXISTS(gethostbyname_r "${CURL_INCLUDES}" HAVE_GETHOSTBYNAME_R)
-
-CHECK_SYMBOL_EXISTS(signal        "${CURL_INCLUDES}" HAVE_SIGNAL_FUNC)
-CHECK_SYMBOL_EXISTS(SIGALRM       "${CURL_INCLUDES}" HAVE_SIGNAL_MACRO)
-IF(HAVE_SIGNAL_FUNC AND HAVE_SIGNAL_MACRO)
-  SET(HAVE_SIGNAL 1)
-ENDIF(HAVE_SIGNAL_FUNC AND HAVE_SIGNAL_MACRO)
-CHECK_SYMBOL_EXISTS(uname          "${CURL_INCLUDES}" HAVE_UNAME)
-CHECK_SYMBOL_EXISTS(strtoll        "${CURL_INCLUDES}" HAVE_STRTOLL)
-CHECK_SYMBOL_EXISTS(_strtoi64      "${CURL_INCLUDES}" HAVE__STRTOI64)
-CHECK_SYMBOL_EXISTS(strerror_r     "${CURL_INCLUDES}" HAVE_STRERROR_R)
-CHECK_SYMBOL_EXISTS(siginterrupt   "${CURL_INCLUDES}" HAVE_SIGINTERRUPT)
-CHECK_SYMBOL_EXISTS(perror         "${CURL_INCLUDES}" HAVE_PERROR)
-CHECK_SYMBOL_EXISTS(fork           "${CURL_INCLUDES}" HAVE_FORK)
-CHECK_SYMBOL_EXISTS(freeaddrinfo   "${CURL_INCLUDES}" HAVE_FREEADDRINFO)
-CHECK_SYMBOL_EXISTS(freeifaddrs    "${CURL_INCLUDES}" HAVE_FREEIFADDRS)
-CHECK_SYMBOL_EXISTS(pipe           "${CURL_INCLUDES}" HAVE_PIPE)
-CHECK_SYMBOL_EXISTS(ftruncate      "${CURL_INCLUDES}" HAVE_FTRUNCATE)
-CHECK_SYMBOL_EXISTS(getprotobyname "${CURL_INCLUDES}" HAVE_GETPROTOBYNAME)
-CHECK_SYMBOL_EXISTS(getrlimit      "${CURL_INCLUDES}" HAVE_GETRLIMIT)
-CHECK_SYMBOL_EXISTS(idn_free       "${CURL_INCLUDES}" HAVE_IDN_FREE)
-CHECK_SYMBOL_EXISTS(idna_strerror  "${CURL_INCLUDES}" HAVE_IDNA_STRERROR)
-CHECK_SYMBOL_EXISTS(tld_strerror   "${CURL_INCLUDES}" HAVE_TLD_STRERROR)
-CHECK_SYMBOL_EXISTS(setlocale      "${CURL_INCLUDES}" HAVE_SETLOCALE)
-CHECK_SYMBOL_EXISTS(setrlimit      "${CURL_INCLUDES}" HAVE_SETRLIMIT)
-CHECK_SYMBOL_EXISTS(fcntl          "${CURL_INCLUDES}" HAVE_FCNTL)
-CHECK_SYMBOL_EXISTS(ioctl          "${CURL_INCLUDES}" HAVE_IOCTL)
-CHECK_SYMBOL_EXISTS(setsockopt     "${CURL_INCLUDES}" HAVE_SETSOCKOPT)
+if(HAVE_LIBWS2_32)
+  set(CMAKE_REQUIRED_LIBRARIES ws2_32)
+elseif(HAVE_LIBSOCKET)
+  set(CMAKE_REQUIRED_LIBRARIES socket)
+endif()
+
+check_symbol_exists(basename      "${CURL_INCLUDES}" HAVE_BASENAME)
+check_symbol_exists(socket        "${CURL_INCLUDES}" HAVE_SOCKET)
+# poll on macOS is unreliable, it first did not exist, then was broken until
+# fixed in 10.9 only to break again in 10.12.
+if(NOT APPLE)
+  check_symbol_exists(poll        "${CURL_INCLUDES}" HAVE_POLL)
+endif()
+check_symbol_exists(select        "${CURL_INCLUDES}" HAVE_SELECT)
+check_symbol_exists(strdup        "${CURL_INCLUDES}" HAVE_STRDUP)
+check_symbol_exists(strstr        "${CURL_INCLUDES}" HAVE_STRSTR)
+check_symbol_exists(strtok_r      "${CURL_INCLUDES}" HAVE_STRTOK_R)
+check_symbol_exists(strftime      "${CURL_INCLUDES}" HAVE_STRFTIME)
+check_symbol_exists(uname         "${CURL_INCLUDES}" HAVE_UNAME)
+check_symbol_exists(strcasecmp    "${CURL_INCLUDES}" HAVE_STRCASECMP)
+check_symbol_exists(stricmp       "${CURL_INCLUDES}" HAVE_STRICMP)
+check_symbol_exists(strcmpi       "${CURL_INCLUDES}" HAVE_STRCMPI)
+check_symbol_exists(strncmpi      "${CURL_INCLUDES}" HAVE_STRNCMPI)
+check_symbol_exists(alarm         "${CURL_INCLUDES}" HAVE_ALARM)
+if(NOT HAVE_STRNCMPI)
+  set(HAVE_STRCMPI)
+endif(NOT HAVE_STRNCMPI)
+check_symbol_exists(gethostbyaddr "${CURL_INCLUDES}" HAVE_GETHOSTBYADDR)
+check_symbol_exists(gethostbyaddr_r "${CURL_INCLUDES}" HAVE_GETHOSTBYADDR_R)
+check_symbol_exists(gettimeofday  "${CURL_INCLUDES}" HAVE_GETTIMEOFDAY)
+check_symbol_exists(inet_addr     "${CURL_INCLUDES}" HAVE_INET_ADDR)
+check_symbol_exists(inet_ntoa     "${CURL_INCLUDES}" HAVE_INET_NTOA)
+check_symbol_exists(inet_ntoa_r   "${CURL_INCLUDES}" HAVE_INET_NTOA_R)
+check_symbol_exists(tcsetattr     "${CURL_INCLUDES}" HAVE_TCSETATTR)
+check_symbol_exists(tcgetattr     "${CURL_INCLUDES}" HAVE_TCGETATTR)
+check_symbol_exists(perror        "${CURL_INCLUDES}" HAVE_PERROR)
+check_symbol_exists(closesocket   "${CURL_INCLUDES}" HAVE_CLOSESOCKET)
+check_symbol_exists(setvbuf       "${CURL_INCLUDES}" HAVE_SETVBUF)
+check_symbol_exists(sigsetjmp     "${CURL_INCLUDES}" HAVE_SIGSETJMP)
+check_symbol_exists(getpass_r     "${CURL_INCLUDES}" HAVE_GETPASS_R)
+check_symbol_exists(strlcat       "${CURL_INCLUDES}" HAVE_STRLCAT)
+check_symbol_exists(getpwuid      "${CURL_INCLUDES}" HAVE_GETPWUID)
+check_symbol_exists(geteuid       "${CURL_INCLUDES}" HAVE_GETEUID)
+check_symbol_exists(utime         "${CURL_INCLUDES}" HAVE_UTIME)
+check_symbol_exists(gmtime_r      "${CURL_INCLUDES}" HAVE_GMTIME_R)
+check_symbol_exists(localtime_r   "${CURL_INCLUDES}" HAVE_LOCALTIME_R)
+
+check_symbol_exists(gethostbyname   "${CURL_INCLUDES}" HAVE_GETHOSTBYNAME)
+check_symbol_exists(gethostbyname_r "${CURL_INCLUDES}" HAVE_GETHOSTBYNAME_R)
+
+check_symbol_exists(signal        "${CURL_INCLUDES}" HAVE_SIGNAL_FUNC)
+check_symbol_exists(SIGALRM       "${CURL_INCLUDES}" HAVE_SIGNAL_MACRO)
+if(HAVE_SIGNAL_FUNC AND HAVE_SIGNAL_MACRO)
+  set(HAVE_SIGNAL 1)
+endif(HAVE_SIGNAL_FUNC AND HAVE_SIGNAL_MACRO)
+check_symbol_exists(uname          "${CURL_INCLUDES}" HAVE_UNAME)
+check_symbol_exists(strtoll        "${CURL_INCLUDES}" HAVE_STRTOLL)
+check_symbol_exists(_strtoi64      "${CURL_INCLUDES}" HAVE__STRTOI64)
+check_symbol_exists(strerror_r     "${CURL_INCLUDES}" HAVE_STRERROR_R)
+check_symbol_exists(siginterrupt   "${CURL_INCLUDES}" HAVE_SIGINTERRUPT)
+check_symbol_exists(perror         "${CURL_INCLUDES}" HAVE_PERROR)
+check_symbol_exists(fork           "${CURL_INCLUDES}" HAVE_FORK)
+check_symbol_exists(getaddrinfo    "${CURL_INCLUDES}" HAVE_GETADDRINFO)
+check_symbol_exists(freeaddrinfo   "${CURL_INCLUDES}" HAVE_FREEADDRINFO)
+check_symbol_exists(freeifaddrs    "${CURL_INCLUDES}" HAVE_FREEIFADDRS)
+check_symbol_exists(pipe           "${CURL_INCLUDES}" HAVE_PIPE)
+check_symbol_exists(ftruncate      "${CURL_INCLUDES}" HAVE_FTRUNCATE)
+check_symbol_exists(getprotobyname "${CURL_INCLUDES}" HAVE_GETPROTOBYNAME)
+check_symbol_exists(getrlimit      "${CURL_INCLUDES}" HAVE_GETRLIMIT)
+check_symbol_exists(setlocale      "${CURL_INCLUDES}" HAVE_SETLOCALE)
+check_symbol_exists(setmode        "${CURL_INCLUDES}" HAVE_SETMODE)
+check_symbol_exists(setrlimit      "${CURL_INCLUDES}" HAVE_SETRLIMIT)
+check_symbol_exists(fcntl          "${CURL_INCLUDES}" HAVE_FCNTL)
+check_symbol_exists(ioctl          "${CURL_INCLUDES}" HAVE_IOCTL)
+check_symbol_exists(setsockopt     "${CURL_INCLUDES}" HAVE_SETSOCKOPT)
+check_function_exists(mach_absolute_time HAVE_MACH_ABSOLUTE_TIME)
 
 # symbol exists in win32, but function does not.
-CHECK_FUNCTION_EXISTS(inet_pton HAVE_INET_PTON)
+if(WIN32)
+  if(ENABLE_INET_PTON)
+    check_function_exists(inet_pton HAVE_INET_PTON)
+    # _WIN32_WINNT_VISTA (0x0600)
+    add_definitions(-D_WIN32_WINNT=0x0600)
+  else()
+    # _WIN32_WINNT_WINXP (0x0501)
+    add_definitions(-D_WIN32_WINNT=0x0501)
+  endif()
+else()
+    check_function_exists(inet_pton HAVE_INET_PTON)
+endif()
+
+check_symbol_exists(fsetxattr "${CURL_INCLUDES}" HAVE_FSETXATTR)
+if(HAVE_FSETXATTR)
+  foreach(CURL_TEST HAVE_FSETXATTR_5 HAVE_FSETXATTR_6)
+    curl_internal_test_run(${CURL_TEST})
+  endforeach(CURL_TEST)
+endif(HAVE_FSETXATTR)
 
 # sigaction and sigsetjmp are special. Use special mechanism for
 # detecting those, but only if previous attempt failed.
-IF(HAVE_SIGNAL_H)
-  CHECK_SYMBOL_EXISTS(sigaction "signal.h" HAVE_SIGACTION)
-ENDIF(HAVE_SIGNAL_H)
-
-IF(NOT HAVE_SIGSETJMP)
-  IF(HAVE_SETJMP_H)
-    CHECK_SYMBOL_EXISTS(sigsetjmp "setjmp.h" HAVE_MACRO_SIGSETJMP)
-    IF(HAVE_MACRO_SIGSETJMP)
-      SET(HAVE_SIGSETJMP 1)
-    ENDIF(HAVE_MACRO_SIGSETJMP)
-  ENDIF(HAVE_SETJMP_H)
-ENDIF(NOT HAVE_SIGSETJMP)
+if(HAVE_SIGNAL_H)
+  check_symbol_exists(sigaction "signal.h" HAVE_SIGACTION)
+endif(HAVE_SIGNAL_H)
+
+if(NOT HAVE_SIGSETJMP)
+  if(HAVE_SETJMP_H)
+    check_symbol_exists(sigsetjmp "setjmp.h" HAVE_MACRO_SIGSETJMP)
+    if(HAVE_MACRO_SIGSETJMP)
+      set(HAVE_SIGSETJMP 1)
+    endif(HAVE_MACRO_SIGSETJMP)
+  endif(HAVE_SETJMP_H)
+endif(NOT HAVE_SIGSETJMP)
 
 # If there is no stricmp(), do not allow LDAP to parse URLs
 if(NOT HAVE_STRICMP)
-    SET(HAVE_LDAP_URL_PARSE 1)
+  set(HAVE_LDAP_URL_PARSE 1)
 endif(NOT HAVE_STRICMP)
 
-# For other curl specific tests, use this macro.
-MACRO(CURL_INTERNAL_TEST CURL_TEST)
-  IF("${CURL_TEST}" MATCHES "^${CURL_TEST}$")
-    SET(MACRO_CHECK_FUNCTION_DEFINITIONS 
-      "-D${CURL_TEST} ${CURL_TEST_DEFINES} ${CMAKE_REQUIRED_FLAGS}")
-    IF(CMAKE_REQUIRED_LIBRARIES)
-      SET(CURL_TEST_ADD_LIBRARIES
-        "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
-    ENDIF(CMAKE_REQUIRED_LIBRARIES)
-
-    MESSAGE(STATUS "Performing Curl Test ${CURL_TEST}")
-    TRY_COMPILE(${CURL_TEST}
-      ${CMAKE_BINARY_DIR}
-      ${CMAKE_CURRENT_SOURCE_DIR}/CMake/CurlTests.c
-      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
-      "${CURL_TEST_ADD_LIBRARIES}"
-      OUTPUT_VARIABLE OUTPUT)
-    IF(${CURL_TEST})
-      SET(${CURL_TEST} 1 CACHE INTERNAL "Curl test ${FUNCTION}")
-      MESSAGE(STATUS "Performing Curl Test ${CURL_TEST} - Success")
-      FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log 
-        "Performing Curl Test ${CURL_TEST} passed with the following output:\n"
-        "${OUTPUT}\n")
-    ELSE(${CURL_TEST})
-      MESSAGE(STATUS "Performing Curl Test ${CURL_TEST} - Failed")
-      SET(${CURL_TEST} "" CACHE INTERNAL "Curl test ${FUNCTION}")
-      FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log 
-        "Performing Curl Test ${CURL_TEST} failed with the following output:\n"
-        "${OUTPUT}\n")
-    ENDIF(${CURL_TEST})
-  ENDIF("${CURL_TEST}" MATCHES "^${CURL_TEST}$")
-ENDMACRO(CURL_INTERNAL_TEST) 
-
-MACRO(CURL_INTERNAL_TEST_RUN CURL_TEST)
-  IF("${CURL_TEST}_COMPILE" MATCHES "^${CURL_TEST}_COMPILE$")
-    SET(MACRO_CHECK_FUNCTION_DEFINITIONS 
-      "-D${CURL_TEST} ${CMAKE_REQUIRED_FLAGS}")
-    IF(CMAKE_REQUIRED_LIBRARIES)
-      SET(CURL_TEST_ADD_LIBRARIES
-        "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
-    ENDIF(CMAKE_REQUIRED_LIBRARIES)
-
-    MESSAGE(STATUS "Performing Curl Test ${CURL_TEST}")
-    TRY_RUN(${CURL_TEST} ${CURL_TEST}_COMPILE
-      ${CMAKE_BINARY_DIR}
-      ${CMAKE_CURRENT_SOURCE_DIR}/CMake/CurlTests.c
-      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
-      "${CURL_TEST_ADD_LIBRARIES}"
-      OUTPUT_VARIABLE OUTPUT)
-    IF(${CURL_TEST}_COMPILE AND NOT ${CURL_TEST})
-      SET(${CURL_TEST} 1 CACHE INTERNAL "Curl test ${FUNCTION}")
-      MESSAGE(STATUS "Performing Curl Test ${CURL_TEST} - Success")
-    ELSE(${CURL_TEST}_COMPILE AND NOT ${CURL_TEST})
-      MESSAGE(STATUS "Performing Curl Test ${CURL_TEST} - Failed")
-      SET(${CURL_TEST} "" CACHE INTERNAL "Curl test ${FUNCTION}")
-      FILE(APPEND "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log"
-        "Performing Curl Test ${CURL_TEST} failed with the following output:\n"
-        "${OUTPUT}")
-      IF(${CURL_TEST}_COMPILE)
-        FILE(APPEND 
-          "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log" 
-          "There was a problem running this test\n")
-      ENDIF(${CURL_TEST}_COMPILE)
-      FILE(APPEND "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log" 
-        "\n\n")
-    ENDIF(${CURL_TEST}_COMPILE AND NOT ${CURL_TEST})
-  ENDIF("${CURL_TEST}_COMPILE" MATCHES "^${CURL_TEST}_COMPILE$")
-ENDMACRO(CURL_INTERNAL_TEST_RUN) 
-
 # Do curl specific tests
-FOREACH(CURL_TEST 
+foreach(CURL_TEST
     HAVE_FCNTL_O_NONBLOCK
     HAVE_IOCTLSOCKET
     HAVE_IOCTLSOCKET_CAMEL
@@ -600,7 +934,7 @@ FOREACH(CURL_TEST
     HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID
     TIME_WITH_SYS_TIME
     HAVE_O_NONBLOCK
-       HAVE_GETHOSTBYADDR_R_5
+    HAVE_GETHOSTBYADDR_R_5
     HAVE_GETHOSTBYADDR_R_7
     HAVE_GETHOSTBYADDR_R_8
     HAVE_GETHOSTBYADDR_R_5_REENTRANT
@@ -622,21 +956,32 @@ FOREACH(CURL_TEST
     HAVE_GETADDRINFO
     HAVE_FILE_OFFSET_BITS
     )
-  CURL_INTERNAL_TEST(${CURL_TEST})
-ENDFOREACH(CURL_TEST)
-IF(HAVE_FILE_OFFSET_BITS)
-  SET(_FILE_OFFSET_BITS 64)
-ENDIF(HAVE_FILE_OFFSET_BITS)
+  curl_internal_test(${CURL_TEST})
+endforeach(CURL_TEST)
+
+if(HAVE_FILE_OFFSET_BITS)
+  set(_FILE_OFFSET_BITS 64)
+  set(CMAKE_REQUIRED_FLAGS "-D_FILE_OFFSET_BITS=64")
+endif(HAVE_FILE_OFFSET_BITS)
+check_type_size("off_t"  SIZEOF_OFF_T)
+
+# include this header to get the type
+set(CMAKE_REQUIRED_INCLUDES "${CURL_SOURCE_DIR}/include")
+set(CMAKE_EXTRA_INCLUDE_FILES "curl/system.h")
+check_type_size("curl_off_t"  SIZEOF_CURL_OFF_T)
+set(CMAKE_EXTRA_INCLUDE_FILES "")
+
+set(CMAKE_REQUIRED_FLAGS)
 
-FOREACH(CURL_TEST 
+foreach(CURL_TEST
     HAVE_GLIBC_STRERROR_R
     HAVE_POSIX_STRERROR_R
     )
-  CURL_INTERNAL_TEST_RUN(${CURL_TEST})
-ENDFOREACH(CURL_TEST)
+  curl_internal_test_run(${CURL_TEST})
+endforeach(CURL_TEST)
 
 # Check for reentrant
-FOREACH(CURL_TEST
+foreach(CURL_TEST
     HAVE_GETHOSTBYADDR_R_5
     HAVE_GETHOSTBYADDR_R_7
     HAVE_GETHOSTBYADDR_R_8
@@ -644,191 +989,339 @@ FOREACH(CURL_TEST
     HAVE_GETHOSTBYNAME_R_5
     HAVE_GETHOSTBYNAME_R_6
     HAVE_INET_NTOA_R_DECL_REENTRANT)
-  IF(NOT ${CURL_TEST})
-    IF(${CURL_TEST}_REENTRANT)
-      SET(NEED_REENTRANT 1)
-    ENDIF(${CURL_TEST}_REENTRANT)
-  ENDIF(NOT ${CURL_TEST})
-ENDFOREACH(CURL_TEST)
-
-IF(NEED_REENTRANT)
-  FOREACH(CURL_TEST
+  if(NOT ${CURL_TEST})
+    if(${CURL_TEST}_REENTRANT)
+      set(NEED_REENTRANT 1)
+    endif(${CURL_TEST}_REENTRANT)
+  endif(NOT ${CURL_TEST})
+endforeach(CURL_TEST)
+
+if(NEED_REENTRANT)
+  foreach(CURL_TEST
       HAVE_GETHOSTBYADDR_R_5
       HAVE_GETHOSTBYADDR_R_7
       HAVE_GETHOSTBYADDR_R_8
       HAVE_GETHOSTBYNAME_R_3
       HAVE_GETHOSTBYNAME_R_5
       HAVE_GETHOSTBYNAME_R_6)
-    SET(${CURL_TEST} 0)
-    IF(${CURL_TEST}_REENTRANT)
-      SET(${CURL_TEST} 1)
-    ENDIF(${CURL_TEST}_REENTRANT)
-  ENDFOREACH(CURL_TEST)
-ENDIF(NEED_REENTRANT)
-
-IF(HAVE_INET_NTOA_R_DECL_REENTRANT)
-  SET(HAVE_INET_NTOA_R_DECL 1)
-  SET(NEED_REENTRANT 1)
-ENDIF(HAVE_INET_NTOA_R_DECL_REENTRANT)
+    set(${CURL_TEST} 0)
+    if(${CURL_TEST}_REENTRANT)
+      set(${CURL_TEST} 1)
+    endif(${CURL_TEST}_REENTRANT)
+  endforeach(CURL_TEST)
+endif(NEED_REENTRANT)
+
+if(HAVE_INET_NTOA_R_DECL_REENTRANT)
+  set(HAVE_INET_NTOA_R_DECL 1)
+  set(NEED_REENTRANT 1)
+endif(HAVE_INET_NTOA_R_DECL_REENTRANT)
 
 # Some other minor tests
 
-IF(NOT HAVE_SOCKLEN_T)
-  SET(socklen_t "int")
-ENDIF(NOT HAVE_SOCKLEN_T)
-
-IF(NOT HAVE_IN_ADDR_T)
-  SET(in_addr_t "unsigned long")
-ENDIF(NOT HAVE_IN_ADDR_T)
+if(NOT HAVE_IN_ADDR_T)
+  set(in_addr_t "unsigned long")
+endif(NOT HAVE_IN_ADDR_T)
 
 # Fix libz / zlib.h
 
-IF(NOT CURL_SPECIAL_LIBZ)
-  IF(NOT HAVE_LIBZ)
-    SET(HAVE_ZLIB_H 0)
-  ENDIF(NOT HAVE_LIBZ)
-
-  IF(NOT HAVE_ZLIB_H)
-    SET(HAVE_LIBZ 0)
-  ENDIF(NOT HAVE_ZLIB_H)
-ENDIF(NOT CURL_SPECIAL_LIBZ)
-
-IF(_FILE_OFFSET_BITS)
-  SET(_FILE_OFFSET_BITS 64)
-ENDIF(_FILE_OFFSET_BITS)
-SET(CMAKE_REQUIRED_FLAGS "-D_FILE_OFFSET_BITS=64")
-SET(CMAKE_EXTRA_INCLUDE_FILES "${CMAKE_CURRENT_SOURCE_DIR}/curl/curl.h")
-CHECK_TYPE_SIZE("curl_off_t" SIZEOF_CURL_OFF_T)
-SET(CMAKE_EXTRA_INCLUDE_FILES)
-SET(CMAKE_REQUIRED_FLAGS)
+if(NOT CURL_SPECIAL_LIBZ)
+  if(NOT HAVE_LIBZ)
+    set(HAVE_ZLIB_H 0)
+  endif(NOT HAVE_LIBZ)
 
+  if(NOT HAVE_ZLIB_H)
+    set(HAVE_LIBZ 0)
+  endif(NOT HAVE_ZLIB_H)
+endif(NOT CURL_SPECIAL_LIBZ)
 
 # Check for nonblocking
-SET(HAVE_DISABLED_NONBLOCKING 1)
-IF(HAVE_FIONBIO OR 
+set(HAVE_DISABLED_NONBLOCKING 1)
+if(HAVE_FIONBIO OR
     HAVE_IOCTLSOCKET OR
     HAVE_IOCTLSOCKET_CASE OR
     HAVE_O_NONBLOCK)
-  SET(HAVE_DISABLED_NONBLOCKING)
-ENDIF(HAVE_FIONBIO OR 
+  set(HAVE_DISABLED_NONBLOCKING)
+endif(HAVE_FIONBIO OR
   HAVE_IOCTLSOCKET OR
   HAVE_IOCTLSOCKET_CASE OR
   HAVE_O_NONBLOCK)
 
-IF(RETSIGTYPE_TEST)
-  SET(RETSIGTYPE void)
-ELSE(RETSIGTYPE_TEST)
-  SET(RETSIGTYPE int)
-ENDIF(RETSIGTYPE_TEST)
+if(RETSIGTYPE_TEST)
+  set(RETSIGTYPE void)
+else(RETSIGTYPE_TEST)
+  set(RETSIGTYPE int)
+endif(RETSIGTYPE_TEST)
 
-IF(CMAKE_COMPILER_IS_GNUCC AND APPLE)
-  INCLUDE(CheckCCompilerFlag)
-  CHECK_C_COMPILER_FLAG(-Wno-long-double HAVE_C_FLAG_Wno_long_double)
-  IF(HAVE_C_FLAG_Wno_long_double)
+if(CMAKE_COMPILER_IS_GNUCC AND APPLE)
+  include(CheckCCompilerFlag)
+  check_c_compiler_flag(-Wno-long-double HAVE_C_FLAG_Wno_long_double)
+  if(HAVE_C_FLAG_Wno_long_double)
     # The Mac version of GCC warns about use of long double.  Disable it.
-    GET_SOURCE_FILE_PROPERTY(MPRINTF_COMPILE_FLAGS mprintf.c COMPILE_FLAGS)
-    IF(MPRINTF_COMPILE_FLAGS)
-      SET(MPRINTF_COMPILE_FLAGS "${MPRINTF_COMPILE_FLAGS} -Wno-long-double")
-    ELSE(MPRINTF_COMPILE_FLAGS)
-      SET(MPRINTF_COMPILE_FLAGS "-Wno-long-double")
-    ENDIF(MPRINTF_COMPILE_FLAGS)
-    SET_SOURCE_FILES_PROPERTIES(mprintf.c PROPERTIES
+    get_source_file_property(MPRINTF_COMPILE_FLAGS mprintf.c COMPILE_FLAGS)
+    if(MPRINTF_COMPILE_FLAGS)
+      set(MPRINTF_COMPILE_FLAGS "${MPRINTF_COMPILE_FLAGS} -Wno-long-double")
+    else(MPRINTF_COMPILE_FLAGS)
+      set(MPRINTF_COMPILE_FLAGS "-Wno-long-double")
+    endif(MPRINTF_COMPILE_FLAGS)
+    set_source_files_properties(mprintf.c PROPERTIES
       COMPILE_FLAGS ${MPRINTF_COMPILE_FLAGS})
-  ENDIF(HAVE_C_FLAG_Wno_long_double)
-ENDIF(CMAKE_COMPILER_IS_GNUCC AND APPLE)
-
-INCLUDE(CMake/OtherTests.cmake)
-
-ADD_DEFINITIONS(-DHAVE_CONFIG_H)
-
-# For windows, do not allow the compiler to use default target (Vista).
-IF(WIN32)
-       ADD_DEFINITIONS(-D_WIN32_WINNT=0x0501)
-ENDIF(WIN32)
-
-IF(MSVC)
-  ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
-ENDIF(MSVC)
-
-# Sets up the dependencies (zlib, OpenSSL, etc.) of a cURL subproject according to options.
-# TODO This is far to be complete!
-FUNCTION(SETUP_CURL_DEPENDENCIES TARGET_NAME)
-       IF(CURL_ZLIB AND ZLIB_FOUND)
-               INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIR})
-       ENDIF()
-       IF(CURL_ZLIB AND ZLIB_FOUND)
-               TARGET_LINK_LIBRARIES(${TARGET_NAME} ${ZLIB_LIBRARIES})
-               #ADD_DEFINITIONS( -DHAVE_ZLIB_H -DHAVE_ZLIB -DHAVE_LIBZ )
-       ENDIF()
-
-       IF(CMAKE_USE_OPENSSL AND OPENSSL_FOUND)
-               INCLUDE_DIRECTORIES(${OPENSSL_INCLUDE_DIR})
-       ENDIF()
-       IF(CURL_SSL AND CURL_CONFIG_HAS_BEEN_RUN_BEFORE)
-               TARGET_LINK_LIBRARIES(${TARGET_NAME} ${OPENSSL_LIBRARIES})
-               #ADD_DEFINITIONS( -DUSE_SSLEAY )
-       ENDIF()
-ENDFUNCTION()
+  endif(HAVE_C_FLAG_Wno_long_double)
+endif(CMAKE_COMPILER_IS_GNUCC AND APPLE)
+
+if(HAVE_SOCKLEN_T)
+  set(CURL_TYPEOF_CURL_SOCKLEN_T "socklen_t")
+  if(WIN32)
+    set(CMAKE_EXTRA_INCLUDE_FILES "winsock2.h;ws2tcpip.h")
+  elseif(HAVE_SYS_SOCKET_H)
+    set(CMAKE_EXTRA_INCLUDE_FILES "sys/socket.h")
+  endif()
+  check_type_size("socklen_t" CURL_SIZEOF_CURL_SOCKLEN_T)
+  set(CMAKE_EXTRA_INCLUDE_FILES)
+  if(NOT HAVE_CURL_SIZEOF_CURL_SOCKLEN_T)
+    message(FATAL_ERROR
+     "Check for sizeof socklen_t failed, see CMakeFiles/CMakerror.log")
+  endif()
+else()
+  set(CURL_TYPEOF_CURL_SOCKLEN_T int)
+  set(CURL_SIZEOF_CURL_SOCKLEN_T ${SIZEOF_INT})
+endif()
+
+# TODO test which of these headers are required
+if(WIN32)
+  set(CURL_PULL_WS2TCPIP_H ${HAVE_WS2TCPIP_H})
+else()
+  set(CURL_PULL_SYS_TYPES_H ${HAVE_SYS_TYPES_H})
+  set(CURL_PULL_SYS_SOCKET_H ${HAVE_SYS_SOCKET_H})
+  set(CURL_PULL_SYS_POLL_H ${HAVE_SYS_POLL_H})
+endif()
+set(CURL_PULL_STDINT_H ${HAVE_STDINT_H})
+set(CURL_PULL_INTTYPES_H ${HAVE_INTTYPES_H})
+
+include(CMake/OtherTests.cmake)
+
+add_definitions(-DHAVE_CONFIG_H)
+
+# For windows, all compilers used by cmake should support large files
+if(WIN32)
+  set(USE_WIN32_LARGE_FILES ON)
+endif(WIN32)
+
+if(MSVC)
+  add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
+  if(CMAKE_C_FLAGS MATCHES "/W[0-4]")
+    string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
+  else(CMAKE_C_FLAGS MATCHES "/W[0-4]")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
+  endif(CMAKE_C_FLAGS MATCHES "/W[0-4]")
+endif(MSVC)
 
 # Ugly (but functional) way to include "Makefile.inc" by transforming it (= regenerate it).
-FUNCTION(TRANSFORM_MAKEFILE_INC INPUT_FILE OUTPUT_FILE)
-       FILE(READ ${INPUT_FILE} MAKEFILE_INC_TEXT)
-       STRING(REPLACE "$(top_srcdir)" "\${CURL_SOURCE_DIR}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       STRING(REGEX REPLACE "\\\\\n" "§!§" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       STRING(REGEX REPLACE "([a-zA-Z_][a-zA-Z0-9_]*)[\t ]*=[\t ]*([^\n]*\n)" "SET(\\1 \\2)\n" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       STRING(REPLACE "§!§" "\n" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       STRING(REGEX REPLACE "\\$\\(([a-zA-Z_][a-zA-Z0-9_]*)\\)" "\${\\1}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       FILE(WRITE ${OUTPUT_FILE} ${MAKEFILE_INC_TEXT})
-
-       ### BUGGY METHOD 1
-       # FILE(STRINGS Makefile.inc MAKEFILE_INC_TEXT)
-       # STRING(REPLACE "# ./lib/Makefile.inc" "" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       # STRING(REPLACE "      " " " MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})           # Replace tabs with spaces
-
-       # #STRING(REGEX MATCH "CSOURCES *=" AAA ${MAKEFILE_INC_TEXT})
-       # #MESSAGE(STATUS ${AAA})
-
-       # STRING(REPLACE "CSOURCES =" "" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       # STRING(REPLACE "HHEADERS =" "" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-
-       # STRING(REGEX REPLACE "[^ ]+\\.c" "" ${HEADERS_VAR} ${MAKEFILE_INC_TEXT})              # Remove source files and store into headers var
-       # STRING(REGEX REPLACE "  +" " " ${HEADERS_VAR} ${${HEADERS_VAR}})
-       # STRING(REGEX REPLACE " " ";" ${HEADERS_VAR} ${${HEADERS_VAR}})
-
-       # STRING(REGEX REPLACE "[^ ]+\\.h" "" ${SOURCES_VAR} ${MAKEFILE_INC_TEXT})              # Remove headers and store into source files var
-       # STRING(REGEX REPLACE "  +" " " ${SOURCES_VAR} ${${SOURCES_VAR}})
-       # STRING(REGEX REPLACE " " ";" ${SOURCES_VAR} ${${SOURCES_VAR}})
-
-       # SET(${HEADERS_VAR} ${${HEADERS_VAR}} PARENT_SCOPE)
-       # SET(${SOURCES_VAR} ${${SOURCES_VAR}} PARENT_SCOPE)
-
-       ### BUGGY METHOD 2
-       # FILE(READ Makefile.inc MAKEFILE_INC_TEXT)
-       # #STRING(REPLACE "\t" " " MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})              # Replace tabs with spaces
-       # #STRING(REGEX REPLACE "\n+" "\n" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})              # Remove empty lines (allow a simplification in the script)
-       # STRING(REGEX REPLACE "([A-Z]+)[\t ]*=[\t ]*" "SET(\\1 " MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       # #STRING(REGEX REPLACE "^(.*)[\t ]*[^\\]$" ")" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       # STRING(REGEX REPLACE "([^\\])\n" "\\1)\n" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       # # STRING(REGEX REPLACE "CSOURCES *=" "SET(libCurl_SRCS " MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       # # STRING(REGEX REPLACE "HHEADERS *=" "SET(libCurl_HEADERS " MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
-       # FILE(WRITE Makefile.inc.cmake ${MAKEFILE_INC_TEXT})
-ENDFUNCTION()
-
-ADD_SUBDIRECTORY(lib)
-IF(BUILD_CURL_EXE)
-       ADD_SUBDIRECTORY(src)
-ENDIF()
-IF(BUILD_CURL_TESTS)
-       ADD_SUBDIRECTORY(tests)
-ENDIF()
-
-OPTION(BUILD_DASHBOARD_REPORTS "Set to ON to activate reporting of cURL builds here http://www.cdash.org/CDashPublic/index.php?project=CURL" OFF)
-IF(BUILD_DASHBOARD_REPORTS)
-    INCLUDE(Dart)
-       #INCLUDE(CTest)
-ENDIF(BUILD_DASHBOARD_REPORTS)
+function(TRANSFORM_MAKEFILE_INC INPUT_FILE OUTPUT_FILE)
+  file(READ ${INPUT_FILE} MAKEFILE_INC_TEXT)
+  string(REPLACE "$(top_srcdir)"   "\${CURL_SOURCE_DIR}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
+  string(REPLACE "$(top_builddir)" "\${CURL_BINARY_DIR}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
+
+  string(REGEX REPLACE "\\\\\n" "!π!α!" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
+  string(REGEX REPLACE "([a-zA-Z_][a-zA-Z0-9_]*)[\t ]*=[\t ]*([^\n]*)" "SET(\\1 \\2)" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
+  string(REPLACE "!π!α!" "\n" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})
+
+  string(REGEX REPLACE "\\$\\(([a-zA-Z_][a-zA-Z0-9_]*)\\)" "\${\\1}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})    # Replace $() with ${}
+  string(REGEX REPLACE "@([a-zA-Z_][a-zA-Z0-9_]*)@" "\${\\1}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT})    # Replace @@ with ${}, even if that may not be read by CMake scripts.
+  file(WRITE ${OUTPUT_FILE} ${MAKEFILE_INC_TEXT})
+
+endfunction()
+
+if(WIN32 AND NOT CYGWIN)
+    set(CURL_INSTALL_CMAKE_DIR CMake)
+else()
+    set(CURL_INSTALL_CMAKE_DIR lib/cmake/curl)
+endif()
+
+if(USE_MANUAL)
+  add_subdirectory(docs)
+endif()
+
+add_subdirectory(lib)
+
+if(BUILD_CURL_EXE)
+  add_subdirectory(src)
+endif()
+
+include(CTest)
+if(BUILD_TESTING)
+  add_subdirectory(tests)
+endif()
+
+# Helper to populate a list (_items) with a label when conditions (the remaining
+# args) are satisfied
+function(_add_if label)
+  # TODO need to disable policy CMP0054 (CMake 3.1) to allow this indirection
+  if(${ARGN})
+    set(_items ${_items} "${label}" PARENT_SCOPE)
+  endif()
+endfunction()
+
+# Clear list and try to detect available features
+set(_items)
+_add_if("WinSSL"        SSL_ENABLED AND USE_WINDOWS_SSPI)
+_add_if("OpenSSL"       SSL_ENABLED AND USE_OPENSSL)
+_add_if("DarwinSSL"     SSL_ENABLED AND USE_DARWINSSL)
+_add_if("mbedTLS"       SSL_ENABLED AND USE_MBEDTLS)
+_add_if("IPv6"          ENABLE_IPV6)
+_add_if("unix-sockets"  USE_UNIX_SOCKETS)
+_add_if("libz"          HAVE_LIBZ)
+_add_if("AsynchDNS"     USE_ARES OR USE_THREADS_POSIX OR USE_THREADS_WIN32)
+_add_if("IDN"           HAVE_LIBIDN2)
+_add_if("Largefile"     (CURL_SIZEOF_CURL_OFF_T GREATER 4) AND
+                        ((SIZEOF_OFF_T GREATER 4) OR USE_WIN32_LARGE_FILES))
+# TODO SSP1 (WinSSL) check is missing
+_add_if("SSPI"          USE_WINDOWS_SSPI)
+_add_if("GSS-API"       HAVE_GSSAPI)
+# TODO SSP1 missing for SPNEGO
+_add_if("SPNEGO"        NOT CURL_DISABLE_CRYPTO_AUTH AND
+                        (HAVE_GSSAPI OR USE_WINDOWS_SSPI))
+_add_if("Kerberos"      NOT CURL_DISABLE_CRYPTO_AUTH AND
+                        (HAVE_GSSAPI OR USE_WINDOWS_SSPI))
+# NTLM support requires crypto function adaptions from various SSL libs
+# TODO alternative SSL libs tests for SSP1, GNUTLS, NSS
+if(NOT CURL_DISABLE_CRYPTO_AUTH AND (USE_OPENSSL OR USE_WINDOWS_SSPI OR USE_DARWINSSL OR USE_MBEDTLS))
+  _add_if("NTLM"        1)
+  # TODO missing option (autoconf: --enable-ntlm-wb)
+  _add_if("NTLM_WB"     NOT CURL_DISABLE_HTTP AND NTLM_WB_ENABLED)
+endif()
+# TODO missing option (--enable-tls-srp), depends on GNUTLS_SRP/OPENSSL_SRP
+_add_if("TLS-SRP"       USE_TLS_SRP)
+# TODO option --with-nghttp2 tests for nghttp2 lib and nghttp2/nghttp2.h header
+_add_if("HTTP2"         USE_NGHTTP2)
+string(REPLACE ";" " " SUPPORT_FEATURES "${_items}")
+message(STATUS "Enabled features: ${SUPPORT_FEATURES}")
+
+# Clear list and try to detect available protocols
+set(_items)
+_add_if("HTTP"          NOT CURL_DISABLE_HTTP)
+_add_if("HTTPS"         NOT CURL_DISABLE_HTTP AND SSL_ENABLED)
+_add_if("FTP"           NOT CURL_DISABLE_FTP)
+_add_if("FTPS"          NOT CURL_DISABLE_FTP AND SSL_ENABLED)
+_add_if("FILE"          NOT CURL_DISABLE_FILE)
+_add_if("TELNET"        NOT CURL_DISABLE_TELNET)
+_add_if("LDAP"          NOT CURL_DISABLE_LDAP)
+# CURL_DISABLE_LDAP implies CURL_DISABLE_LDAPS
+# TODO check HAVE_LDAP_SSL (in autoconf this is enabled with --enable-ldaps)
+_add_if("LDAPS"         NOT CURL_DISABLE_LDAPS AND
+                        ((USE_OPENLDAP AND SSL_ENABLED) OR
+                        (NOT USE_OPENLDAP AND HAVE_LDAP_SSL)))
+_add_if("DICT"          NOT CURL_DISABLE_DICT)
+_add_if("TFTP"          NOT CURL_DISABLE_TFTP)
+_add_if("GOPHER"        NOT CURL_DISABLE_GOPHER)
+_add_if("POP3"          NOT CURL_DISABLE_POP3)
+_add_if("POP3S"         NOT CURL_DISABLE_POP3 AND SSL_ENABLED)
+_add_if("IMAP"          NOT CURL_DISABLE_IMAP)
+_add_if("IMAPS"         NOT CURL_DISABLE_IMAP AND SSL_ENABLED)
+_add_if("SMTP"          NOT CURL_DISABLE_SMTP)
+_add_if("SMTPS"         NOT CURL_DISABLE_SMTP AND SSL_ENABLED)
+_add_if("SCP"           USE_LIBSSH2)
+_add_if("SFTP"          USE_LIBSSH2)
+_add_if("RTSP"          NOT CURL_DISABLE_RTSP)
+_add_if("RTMP"          USE_LIBRTMP)
+list(SORT _items)
+string(REPLACE ";" " " SUPPORT_PROTOCOLS "${_items}")
+message(STATUS "Enabled protocols: ${SUPPORT_PROTOCOLS}")
+
+# curl-config needs the following options to be set.
+set(CC                      "${CMAKE_C_COMPILER}")
+# TODO probably put a -D... options here?
+set(CONFIGURE_OPTIONS       "")
+# TODO when to set "-DCURL_STATICLIB" for CPPFLAG_CURL_STATICLIB?
+set(CPPFLAG_CURL_STATICLIB  "")
+set(CURLVERSION             "${CURL_VERSION}")
+set(ENABLE_SHARED           "yes")
+if(CURL_STATICLIB)
+  set(ENABLE_STATIC         "yes")
+else()
+  set(ENABLE_STATIC         "no")
+endif()
+set(exec_prefix             "\${prefix}")
+set(includedir              "\${prefix}/include")
+set(LDFLAGS                 "${CMAKE_SHARED_LINKER_FLAGS}")
+set(LIBCURL_LIBS            "")
+set(libdir                  "${CMAKE_INSTALL_PREFIX}/lib")
+foreach(_lib ${CMAKE_C_IMPLICIT_LINK_LIBRARIES} ${CURL_LIBS})
+  if(_lib MATCHES ".*/.*" OR _lib MATCHES "^-")
+    set(LIBCURL_LIBS          "${LIBCURL_LIBS} ${_lib}")
+  else()
+    set(LIBCURL_LIBS          "${LIBCURL_LIBS} -l${_lib}")
+  endif()
+endforeach()
+# "a" (Linux) or "lib" (Windows)
+string(REPLACE "." "" libext "${CMAKE_STATIC_LIBRARY_SUFFIX}")
+set(prefix                  "${CMAKE_INSTALL_PREFIX}")
+# Set this to "yes" to append all libraries on which -lcurl is dependent
+set(REQUIRE_LIB_DEPS        "no")
+# SUPPORT_FEATURES
+# SUPPORT_PROTOCOLS
+set(VERSIONNUM              "${CURL_VERSION_NUM}")
+
+# Finally generate a "curl-config" matching this config
+configure_file("${CURL_SOURCE_DIR}/curl-config.in"
+               "${CURL_BINARY_DIR}/curl-config" @ONLY)
+install(FILES "${CURL_BINARY_DIR}/curl-config"
+        DESTINATION bin
+        PERMISSIONS
+          OWNER_READ OWNER_WRITE OWNER_EXECUTE
+          GROUP_READ GROUP_EXECUTE
+          WORLD_READ WORLD_EXECUTE)
+
+# Finally generate a pkg-config file matching this config
+configure_file("${CURL_SOURCE_DIR}/libcurl.pc.in"
+               "${CURL_BINARY_DIR}/libcurl.pc" @ONLY)
+install(FILES "${CURL_BINARY_DIR}/libcurl.pc"
+        DESTINATION lib/pkgconfig)
 
 # This needs to be run very last so other parts of the scripts can take advantage of this.
-IF(NOT CURL_CONFIG_HAS_BEEN_RUN_BEFORE)
-    SET(CURL_CONFIG_HAS_BEEN_RUN_BEFORE 1 CACHE INTERNAL "Flag to track whether this is the first time running CMake or if CMake has been configured before")
-ENDIF()
+if(NOT CURL_CONFIG_HAS_BEEN_RUN_BEFORE)
+  set(CURL_CONFIG_HAS_BEEN_RUN_BEFORE 1 CACHE INTERNAL "Flag to track whether this is the first time running CMake or if CMake has been configured before")
+endif()
+
+# install headers
+install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/curl"
+    DESTINATION include
+    FILES_MATCHING PATTERN "*.h")
+
+
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+    "${PROJECT_BINARY_DIR}/curl-config-version.cmake"
+    VERSION ${CURL_VERSION}
+    COMPATIBILITY SameMajorVersion
+)
+
+configure_file(CMake/curl-config.cmake
+        "${PROJECT_BINARY_DIR}/curl-config.cmake"
+        COPYONLY
+)
+
+install(
+        FILES ${PROJECT_BINARY_DIR}/curl-config.cmake
+              ${PROJECT_BINARY_DIR}/curl-config-version.cmake
+        DESTINATION ${CURL_INSTALL_CMAKE_DIR}
+)
+
+# Workaround for MSVS10 to avoid the Dialog Hell
+# FIXME: This could be removed with future version of CMake.
+if(MSVC_VERSION EQUAL 1600)
+  set(CURL_SLN_FILENAME "${CMAKE_CURRENT_BINARY_DIR}/CURL.sln")
+  if(EXISTS "${CURL_SLN_FILENAME}")
+    file(APPEND "${CURL_SLN_FILENAME}" "\n# This should be regenerated!\n")
+  endif()
+endif()
+
+if(NOT TARGET uninstall)
+  configure_file(
+      ${CMAKE_CURRENT_SOURCE_DIR}/CMake/cmake_uninstall.cmake.in
+      ${CMAKE_CURRENT_BINARY_DIR}/CMake/cmake_uninstall.cmake
+      IMMEDIATE @ONLY)
+
+  add_custom_target(uninstall
+      COMMAND ${CMAKE_COMMAND} -P
+      ${CMAKE_CURRENT_BINARY_DIR}/CMake/cmake_uninstall.cmake)
+endif()