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-rw-r--r--Modules/FindOpenSSL.cmake65
1 files changed, 46 insertions, 19 deletions
diff --git a/Modules/FindOpenSSL.cmake b/Modules/FindOpenSSL.cmake
index c358ff1..d5cd8bc 100644
--- a/Modules/FindOpenSSL.cmake
+++ b/Modules/FindOpenSSL.cmake
@@ -7,6 +7,12 @@
#
# Find the OpenSSL encryption library.
#
+# Optional COMPONENTS
+# ^^^^^^^^^^^^^^^^^^^
+#
+# This module supports two optional COMPONENTS: ``Crypto`` and ``SSL``. Both
+# components have associated imported targets, as described below.
+#
# Imported Targets
# ^^^^^^^^^^^^^^^^
#
@@ -23,7 +29,8 @@
# This module will set the following variables in your project:
#
# ``OPENSSL_FOUND``
-# System has the OpenSSL library.
+# System has the OpenSSL library. If no components are requested it only
+# requires the crypto library.
# ``OPENSSL_INCLUDE_DIR``
# The OpenSSL include directory.
# ``OPENSSL_CRYPTO_LIBRARY``
@@ -371,28 +378,47 @@ if(OPENSSL_INCLUDE_DIR AND EXISTS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h")
endif ()
endif ()
-include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
-
set(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY} )
-if (OPENSSL_VERSION)
- find_package_handle_standard_args(OpenSSL
- REQUIRED_VARS
- #OPENSSL_SSL_LIBRARY # FIXME: require based on a component request?
- OPENSSL_CRYPTO_LIBRARY
- OPENSSL_INCLUDE_DIR
- VERSION_VAR
- OPENSSL_VERSION
- FAIL_MESSAGE
- "Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR"
- )
-else ()
- find_package_handle_standard_args(OpenSSL "Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR"
- #OPENSSL_SSL_LIBRARY # FIXME: require based on a component request?
+foreach(_comp IN LISTS OpenSSL_FIND_COMPONENTS)
+ if(_comp STREQUAL "Crypto")
+ if(EXISTS "${OPENSSL_INCLUDE_DIR}" AND
+ (EXISTS "${OPENSSL_CRYPTO_LIBRARY}" OR
+ EXISTS "${LIB_EAY_LIBRARY_DEBUG}" OR
+ EXISTS "${LIB_EAY_LIBRARY_RELEASE}")
+ )
+ set(OpenSSL_${_comp}_FOUND TRUE)
+ else()
+ set(OpenSSL_${_comp}_FOUND FALSE)
+ endif()
+ elseif(_comp STREQUAL "SSL")
+ if(EXISTS "${OPENSSL_INCLUDE_DIR}" AND
+ (EXISTS "${OPENSSL_SSL_LIBRARY}" OR
+ EXISTS "${SSL_EAY_LIBRARY_DEBUG}" OR
+ EXISTS "${SSL_EAY_LIBRARY_RELEASE}")
+ )
+ set(OpenSSL_${_comp}_FOUND TRUE)
+ else()
+ set(OpenSSL_${_comp}_FOUND FALSE)
+ endif()
+ else()
+ message(WARNING "${_comp} is not a valid OpenSSL component")
+ set(OpenSSL_${_comp}_FOUND FALSE)
+ endif()
+endforeach()
+unset(_comp)
+
+include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
+find_package_handle_standard_args(OpenSSL
+ REQUIRED_VARS
OPENSSL_CRYPTO_LIBRARY
OPENSSL_INCLUDE_DIR
- )
-endif ()
+ VERSION_VAR
+ OPENSSL_VERSION
+ HANDLE_COMPONENTS
+ FAIL_MESSAGE
+ "Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR"
+)
mark_as_advanced(OPENSSL_INCLUDE_DIR OPENSSL_LIBRARIES)
@@ -425,6 +451,7 @@ if(OPENSSL_FOUND)
IMPORTED_LOCATION_DEBUG "${LIB_EAY_LIBRARY_DEBUG}")
endif()
endif()
+
if(NOT TARGET OpenSSL::SSL AND
(EXISTS "${OPENSSL_SSL_LIBRARY}" OR
EXISTS "${SSL_EAY_LIBRARY_DEBUG}" OR