--- CMakeLists.txt.orig	2016-01-14 02:00:17 UTC
+++ CMakeLists.txt
@@ -101,7 +101,11 @@ if(CRYPTO_OPENSSL AND NOT OPENSSL_FOUND)
 endif()
 if(OPENSSL_FOUND)
     set(HAVE_OPENSSL TRUE)
-    check_include_files(openssl/fips.h HAVE_OPENSSL_FIPS_H)
+    if(${CMAKE_SYSTEM_NAME} MATCHES "^(FreeBSD|DragonFly)$")
+        set(HAVE_OPENSSL_FIPS_H "")
+    else()
+        check_include_files(openssl/fips.h HAVE_OPENSSL_FIPS_H)
+    endif()
 elseif(PKGCONFIG_FOUND)
     pkg_check_modules(GNUTLS gnutls>=3.0.0)
 endif()