#
#cURL
#

if (WIN32)

if (CMAKE_CL_64)
  set (CURL_MACHINE x64)
else (CMAKE_CL_64)
  set (CURL_MACHINE x86)
endif (CMAKE_CL_64)

if (BUILD_SHARED_LIBS)
  set (CURL_LIB_TYPE dll)
else (BUILD_SHARED_LIBS)
  set (CURL_LIB_TYPE static)
endif (BUILD_SHARED_LIBS)

if (CMAKE_BUILD_TYPE STREQUAL Debug)
  set (CURL_DEBUG_YES_OR_NO "yes")
  set (CURL_DEBUG_OR_RELEASE "debug")
else (CMAKE_BUILD_TYPE STREQUAL Debug)
  set (CURL_DEBUG_YES_OR_NO "no")
  set (CURL_DEBUG_OR_RELEASE "release")
endif (CMAKE_BUILD_TYPE STREQUAL Debug)

if (MSVC90)
  set (CURL_VC 9)
endif (MSVC90)
if (MSVC10)
  set (CURL_VC 10)
endif (MSVC10)
if (MSVC11)
  set (CURL_VC 11)
endif (MSVC11)
if (MSVC12)
  set (CURL_VC 12)
endif (MSVC12)
if (MSVC14)
  set (CURL_VC 14)
endif (MSVC14)

if (NOT CURL_VC)
  message (FATAL_ERROR "Could not identify Visual Studio version")
endif (NOT CURL_VC)

#Windows: Patch the source code in order to install the generated artifacts
#with the names expected by the standard FindCURL.cmake

ExternalProject_Add (
  curl
  PREFIX ${CMAKE_INSTALL_PREFIX}
  URL https://curl.haxx.se/download/curl-7.42.1.tar.bz2
  URL_MD5 296945012ce647b94083ed427c1877a8
  BUILD_IN_SOURCE 1
  PATCH_COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_LIST_DIR}/patch .  
  CONFIGURE_COMMAND ""
  BUILD_COMMAND cd winbuild COMMAND nmake /f Makefile.vc mode=${CURL_LIB_TYPE} VC=${CURL_VC} WITH_DEVEL=<INSTALL_DIR> DEBUG=${CURL_DEBUG_YES_OR_NO} MACHINE=${CURL_MACHINE}
  INSTALL_COMMAND ${CMAKE_COMMAND} -E copy_directory <SOURCE_DIR>/builds/libcurl-vc${CURL_VC}-${CURL_MACHINE}-${CURL_DEBUG_OR_RELEASE}-${CURL_LIB_TYPE}-ipv6-sspi-winssl <INSTALL_DIR>
)
endif (WIN32)

if (UNIX)
ExternalProject_Add (
  curl
  PREFIX ${CMAKE_INSTALL_PREFIX}
  URL https://curl.haxx.se/download/curl-7.42.1.tar.bz2
  URL_MD5 296945012ce647b94083ed427c1877a8
  CMAKE_ARGS -DBUILD_CURL_TESTS=OFF -DCMAKE_USE_OPENSSL=ON -DBUILD_SHARED_LIBS=${BUILD_SHARED_LIBS} -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -DCMAKE_INSTALL_PREFIX=<INSTALL_DIR>
  DEPENDS openssl
)
endif (UNIX)