From a0e19239b8015f76fcc8ddfbdf496bd0f83acb21 Mon Sep 17 00:00:00 2001 From: Kevin Kane Date: Tue, 3 Nov 2020 11:03:29 -0800 Subject: [PATCH] Use OPENSSL_CRYPTO_LIBRARIES CMake variable when linking against OpenSSL The build currently breaks when attempting to link libssh.so using a statically-linked OpenSSL. -ldl and -lpthread are required when linking a binary with the static libcrypto.a. The OPENSSL_CRYPTO_LIBRARY does not include these dependencies when linking against static OpenSSL. OPENSSL_CRYPTO_LIBRARIES contains the correct dependencies in both static and shared configurations; -ldl and -lpthread are not required when linking against shared libcrypto.so. This change changes all uses of OPENSSL_CRYPTO_LIBRARY to OPENSSL_CRYPTO_LIBRARIES to let the FindOpenSSL CMake module always provide the correct libraries at link time. Signed-off-by: Kevin Kane Reviewed-by: Jakub Jelen Reviewed-by: Andreas Schneider --- ConfigureChecks.cmake | 30 +++++++++++++++--------------- src/CMakeLists.txt | 6 +++--- 2 files changed, 18 insertions(+), 18 deletions(-) diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake index c62f4b92..e3515315 100644 --- a/ConfigureChecks.cmake +++ b/ConfigureChecks.cmake @@ -101,61 +101,61 @@ if (OPENSSL_FOUND) check_include_file(openssl/ecdsa.h HAVE_OPENSSL_ECDSA_H) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(EVP_aes_128_ctr HAVE_OPENSSL_EVP_AES_CTR) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(EVP_aes_128_cbc HAVE_OPENSSL_EVP_AES_CBC) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(EVP_aes_128_gcm HAVE_OPENSSL_EVP_AES_GCM) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(CRYPTO_THREADID_set_callback HAVE_OPENSSL_CRYPTO_THREADID_SET_CALLBACK) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(CRYPTO_ctr128_encrypt HAVE_OPENSSL_CRYPTO_CTR128_ENCRYPT) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(EVP_CIPHER_CTX_new HAVE_OPENSSL_EVP_CIPHER_CTX_NEW) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(EVP_KDF_CTX_new_id HAVE_OPENSSL_EVP_KDF_CTX_NEW_ID) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(FIPS_mode HAVE_OPENSSL_FIPS_MODE) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(RAND_priv_bytes HAVE_OPENSSL_RAND_PRIV_BYTES) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(EVP_DigestSign HAVE_OPENSSL_EVP_DIGESTSIGN) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(EVP_DigestVerify HAVE_OPENSSL_EVP_DIGESTVERIFY) check_function_exists(OPENSSL_ia32cap_loc HAVE_OPENSSL_IA32CAP_LOC) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_symbol_exists(EVP_PKEY_ED25519 "openssl/evp.h" FOUND_OPENSSL_ED25519) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_function_exists(EVP_chacha20 HAVE_OPENSSL_EVP_CHACHA20) set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_symbol_exists(EVP_PKEY_POLY1305 "openssl/evp.h" HAVE_OPENSSL_EVP_POLY1305) if (HAVE_OPENSSL_EVP_DIGESTSIGN AND HAVE_OPENSSL_EVP_DIGESTVERIFY AND @@ -164,7 +164,7 @@ if (OPENSSL_FOUND) endif() set(CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR}) - set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY}) + set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_CRYPTO_LIBRARIES}) check_symbol_exists(EVP_PKEY_X25519 "openssl/evp.h" HAVE_OPENSSL_X25519) unset(CMAKE_REQUIRED_INCLUDES) diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 621f8b35..dd765de1 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -16,7 +16,7 @@ if (WIN32) ) endif (WIN32) -if (OPENSSL_CRYPTO_LIBRARY) +if (OPENSSL_CRYPTO_LIBRARIES) set(LIBSSH_PRIVATE_INCLUDE_DIRS ${LIBSSH_PRIVATE_INCLUDE_DIRS} ${OPENSSL_INCLUDE_DIR} @@ -24,9 +24,9 @@ if (OPENSSL_CRYPTO_LIBRARY) set(LIBSSH_LINK_LIBRARIES ${LIBSSH_LINK_LIBRARIES} - ${OPENSSL_CRYPTO_LIBRARY} + ${OPENSSL_CRYPTO_LIBRARIES} ) -endif (OPENSSL_CRYPTO_LIBRARY) +endif (OPENSSL_CRYPTO_LIBRARIES) if (MBEDTLS_CRYPTO_LIBRARY) set(LIBSSH_PRIVATE_INCLUDE_DIRS