--- CMakeLists.txt.orig	2026-10-09 19:03:03 UTC
+++ CMakeLists.txt
@@ -17,7 +17,7 @@
 # meant for generating project files for those working with IDE's to do
 # otherwise generic builds of the library and supporting applications.
 
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.5)
 PROJECT(ucommon)
 set (VERSION 7.0.0)
 
@@ -101,7 +101,11 @@ if(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()