--- CMakeLists.txt.orig	2020-02-04 17:00:17.000000000 +0100
+++ CMakeLists.txt	2020-02-07 14:30:55.821638000 +0100
@@ -331,8 +331,19 @@
 CHECK_SYMBOL_EXISTS(O_ASYNC "sys/types.h;sys/fcntl.h" HAVE_OASYNC)
 CHECK_SYMBOL_EXISTS(O_NOFOLLOW "sys/types.h;sys/fcntl.h" HAVE_ONOFOLLOW)
 CHECK_SYMBOL_EXISTS(O_CLOEXEC "sys/types.h;sys/fcntl.h" HAVE_OCLOEXEC)
+
+# OpenSSL specific stuff
 LIST(APPEND CMAKE_REQUIRED_INCLUDES "${LIBSSL_INCLUDE}")
+IF(LIBCRYPT_LIBRARY_PATH)
+	SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-L${LIBCRYPT_LIBRARY_PATH};${LIBCRYPT_LIBRARY}")
+	SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-L${LIBSSL_LIBRARY_PATH};${LIBSSL_LIBRARY}")
+ELSE()
+	SET(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};-lcrypt;-lssl")
+ENDIF()
+
 CHECK_SYMBOL_EXISTS(SSL_set_tlsext_host_name "openssl/ssl.h" HAVE_SSL_TLSEXT_HOSTNAME)
+CHECK_SYMBOL_EXISTS(FIPS_mode "openssl/crypto.h" HAVE_FIPS_MODE)
+
 CHECK_SYMBOL_EXISTS(dirfd "sys/types.h;unistd.h;dirent.h" HAVE_DIRFD)
 CHECK_SYMBOL_EXISTS(fpathconf "sys/types.h;unistd.h" HAVE_FPATHCONF)
 CHECK_SYMBOL_EXISTS(sigaltstack "signal.h" HAVE_SIGALTSTACK)