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FindOpenSSL: Use find_package_handle_standard_args for version check.

This commit is contained in:
Andreas Schneider 2011-03-28 18:48:41 +02:00 committed by Brad King
parent a091ba61ce
commit 112f1dd7e3
1 changed files with 20 additions and 20 deletions
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40
Modules/FindOpenSSL.cmake
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@ -215,13 +215,7 @@ ELSE(WIN32 AND NOT CYGWIN)
ENDIF(WIN32 AND NOT CYGWIN)
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(OpenSSL "Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR"
OPENSSL_LIBRARIES
OPENSSL_INCLUDE_DIR
)
IF(OPENSSL_FOUND)
if (OPENSSL_INCLUDE_DIR)
file(STRINGS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h" openssl_version_str REGEX "^#define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x[0-9][0-9][0-9][0-9][0-9][0-9].*")
string(REGEX REPLACE "^.*OPENSSL_VERSION_NUMBER[\t ]+0x([0-9]).*$" "\\1" OPENSSL_VERSION_MAJOR "${openssl_version_str}")
@ -232,19 +226,25 @@ IF(OPENSSL_FOUND)
string(REGEX REPLACE "^0" "" OPENSSL_VERSION_PATCH "${OPENSSL_VERSION_PATCH}")
set(OPENSSL_VERSION "${OPENSSL_VERSION_MAJOR}.${OPENSSL_VERSION_MINOR}.${OPENSSL_VERSION_PATCH}")
endif (OPENSSL_INCLUDE_DIR)
if(OpenSSL_FIND_VERSION)
if(OpenSSL_FIND_VERSION_EXACT AND NOT ${OPENSSL_VERSION} VERSION_EQUAL ${OpenSSL_FIND_VERSION})
message(FATAL_ERROR "OpenSSL version found (${OPENSSL_VERSION}) does not match the required one (${OpenSSL_FIND_VERSION}), aborting.")
elseif(${OPENSSL_VERSION} VERSION_LESS ${OpenSSL_FIND_VERSION})
if(OpenSSL_FIND_REQUIRED)
message(FATAL_ERROR "OpenSSL version found (${OPENSSL_VERSION}) is less then the minimum required (${OpenSSL_FIND_VERSION}), aborting.")
else(OpenSSL_FIND_REQUIRED)
message("OpenSSL version found (${OPENSSL_VERSION}) is less then the minimum required (${OpenSSL_FIND_VERSION}), continue without OpenSSL support.")
set(OPENSSL_FOUND FALSE)
endif(OpenSSL_FIND_REQUIRED)
endif()
endif(OpenSSL_FIND_VERSION)
ENDIF (OPENSSL_FOUND)
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
if (OPENSSL_VERSION)
find_package_handle_standard_args(OpenSSL
REQUIRED_VARS
OPENSSL_LIBRARIES
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 (OPENSSL_VERSION)
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_LIBRARIES
OPENSSL_INCLUDE_DIR
)
endif (OPENSSL_VERSION)
MARK_AS_ADVANCED(OPENSSL_INCLUDE_DIR OPENSSL_LIBRARIES)