# - Try to find OpenSSL
# Once done, this will define
#
#  OPENSSL_FOUND - system has OpenSSL
#  OPENSSL_INCLUDE_DIRS - the OpenSSL include directories
#  OPENSSL_LIBRARIES - link these to use OpenSSL

include(FindPkgMacros)
findpkg_begin(OPENSSL)

# Get path, convert backslashes as ${ENV_${var}}
getenv_path(OPENSSL_HOME)

# If OPENSSL_ROOT was defined in the environment, use it.
if (NOT OPENSSL_HOME)
  if(NOT "$ENV{OPENSSL_HOME}" STREQUAL "")
    set(OPENSSL_HOME $ENV{OPENSSL_ROOT})
  endif()
endif()

# construct search paths
set(OPENSSL_PREFIX_PATH ${OPENSSL_HOME} ${ENV_OPENSSL_HOME})
create_search_paths(OPENSSL)

# redo search if prefix path changed
clear_if_changed(OPENSSL_PREFIX_PATH
  OPENSSL_LIBRARY_FWK
  OPENSSL_LIBRARY_REL
  OPENSSL_LIBRARY_DBG
  OPENSSL_INCLUDE_DIR
)

if (SCOLDEPS_PLATFORM_X64)
  set(OPENSSL_LIBRARY_NAMES OpenSSL ssl libssl ssleay64)
else (SCOLDEPS_PLATFORM_X64)
  set(OPENSSL_LIBRARY_NAMES OpenSSL ssl libssl ssleay32)
endif (SCOLDEPS_PLATFORM_X64)

get_debug_names(OPENSSL_LIBRARY_NAMES)

if (SCOLDEPS_PLATFORM_X64)
  set(CRYPTO_LIBRARY_NAMES Crypto crypto libcrypto libeay64)
else (SCOLDEPS_PLATFORM_X64)  
  set(CRYPTO_LIBRARY_NAMES Crypto crypto libcrypto libeay32)
endif (SCOLDEPS_PLATFORM_X64)
get_debug_names(CRYPTO_LIBRARY_NAMES)

findpkg_framework(OPENSSL)

set(OPENSSL_SUBPATH linux)
if(APPLE)
  if (OSX)
    set(OPENSSL_SUBPATH OSX)
  else()
    set(OPENSSL_SUBPATH IOS)
  endif()
endif()

find_path(OPENSSL_INCLUDE_DIR NAMES openssl/crypto.h PATHS NO_DEFAULT_PATH HINTS ${OPENSSL_INC_SEARCH_PATH} ${OPENSSL_PKGC_INCLUDE_DIRS})
find_library(OPENSSL_LIBRARY_REL NAMES ${OPENSSL_LIBRARY_NAMES} PATHS NO_DEFAULT_PATH HINTS ${OPENSSL_LIB_SEARCH_PATH} ${OPENSSL_PKGC_LIBRARY_DIRS} PATH_SUFFIXES "" Release RelWithDebInfo MinSizeRel ${ANDROID_ABI} ${SCOL_INSTALL_PREFIX} ${OPENSSL_SUBPATH})
find_library(OPENSSL_LIBRARY_DBG NAMES ${OPENSSL_LIBRARY_NAMES_DBG} PATHS NO_DEFAULT_PATH HINTS ${OPENSSL_LIB_SEARCH_PATH} ${OPENSSL_PKGC_LIBRARY_DIRS} PATH_SUFFIXES "" Debug ${ANDROID_ABI} ${SCOL_INSTALL_PREFIX} ${OPENSSL_SUBPATH})
find_library(CRYPTO_LIBRARY_REL NAMES ${CRYPTO_LIBRARY_NAMES} PATHS NO_DEFAULT_PATH HINTS ${OPENSSL_LIB_SEARCH_PATH} ${OPENSSL_PKGC_LIBRARY_DIRS} PATH_SUFFIXES "" Release RelWithDebInfo MinSizeRel ${ANDROID_ABI} ${SCOL_INSTALL_PREFIX} ${OPENSSL_SUBPATH})
find_library(CRYPTO_LIBRARY_DBG NAMES ${CRYPTO_LIBRARY_NAMES_DBG} PATHS NO_DEFAULT_PATH HINTS ${OPENSSL_LIB_SEARCH_PATH} ${OPENSSL_PKGC_LIBRARY_DIRS} PATH_SUFFIXES "" Debug ${ANDROID_ABI} ${SCOL_INSTALL_PREFIX} ${OPENSSL_SUBPATH})
make_library_set(OPENSSL_LIBRARY)
make_library_set(CRYPTO_LIBRARY)

findpkg_finish(OPENSSL)
set(OPENSSL_LIBRARIES ${OPENSSL_LIBRARIES} ${CRYPTO_LIBRARY})