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cmake: Allow OPENSSL_INCLUDE_DIR to be empty

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on some system the include dir is empty, and the detection will miss a lot of functions and fail to compile.
This commit is contained in:
Yucong Sun 2021-04-29 08:43:47 +08:00 • committed by Andy Green
parent 2fac32543a
commit a27cff4c11
1 changed files with 15 additions and 15 deletions
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30
lib/tls/CMakeLists.txt
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@ -261,22 +261,22 @@ if (LWS_WITH_SSL)
if (OPENSSL_INCLUDE_DIRS)
include_directories("${OPENSSL_INCLUDE_DIRS}")
if (NOT LWS_PLAT_FREERTOS)
list(INSERT LIB_LIST 0 ${OPENSSL_LIBRARIES})
endif()
if (NOT LWS_WITH_MBEDTLS)
# older (0.98) Openssl lacks this
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${OPENSSL_INCLUDE_DIRS} PARENT_SCOPE)
check_include_file(openssl/ecdh.h LWS_HAVE_OPENSSL_ECDH_H)
if (LWS_SSL_SERVER_WITH_ECDH_CERT AND NOT LWS_HAVE_OPENSSL_ECDH_H)
message(FATAL_ERROR "Missing openssl/ecdh.h, so cannot use LWS_SSL_SERVER_WITH_ECDH_CERT")
endif()
else()
unset(LWS_HAVE_OPENSSL_ECDH_H PARENT_SCOPE)
endif(NOT LWS_WITH_MBEDTLS)
endif()
if (NOT LWS_PLAT_FREERTOS)
list(INSERT LIB_LIST 0 ${OPENSSL_LIBRARIES})
endif()
if (NOT LWS_WITH_MBEDTLS)
# older (0.98) Openssl lacks this
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${OPENSSL_INCLUDE_DIRS} PARENT_SCOPE)
check_include_file(openssl/ecdh.h LWS_HAVE_OPENSSL_ECDH_H)
if (LWS_SSL_SERVER_WITH_ECDH_CERT AND NOT LWS_HAVE_OPENSSL_ECDH_H)
message(FATAL_ERROR "Missing openssl/ecdh.h, so cannot use LWS_SSL_SERVER_WITH_ECDH_CERT")
endif()
else()
unset(LWS_HAVE_OPENSSL_ECDH_H PARENT_SCOPE)
endif(NOT LWS_WITH_MBEDTLS)
endif()
endif(LWS_WITH_SSL)