FreeBSD has thread_local support

CMakeLists.txt

@@ -145,7 +145,7 @@ IF(WITH_CORE)
   SET (WITH_THREAD_LOCAL TRUE CACHE BOOL "Determines whether std::thread_local should be used")
   MARK_AS_ADVANCED(WITH_THREAD_LOCAL)
 
-  IF (MINGW OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+  IF (MINGW OR CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
     # MingW has broken support for thread_local, so force disabling it
     # see
     # https://sourceforge.net/p/mingw-w64/bugs/445/
@@ -154,11 +154,11 @@ IF(WITH_CORE)
 
     # also OpenBSD has no thread_local support, see https://issues.qgis.org/issues/17351
 
-  ELSE (MINGW OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+  ELSE (MINGW OR CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
     IF (WITH_THREAD_LOCAL)
       SET (USE_THREAD_LOCAL TRUE)  # used in qgsconfig.h
     ENDIF (WITH_THREAD_LOCAL)
-  ENDIF (MINGW OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
+  ENDIF (MINGW OR CMAKE_SYSTEM_NAME STREQUAL "OpenBSD")
 
   # Compile flag. Make it possible to turn it off.
   SET (PEDANTIC TRUE CACHE BOOL "Determines if we should compile in pedantic mode.")