1 files changed, 4 insertions, 0 deletions
diff --git a/libs/fst/wscript b/libs/fst/wscript
index 9fe165ca9e..a987235ec0 100644
--- a/libs/fst/wscript
+++ b/libs/fst/wscript
@@ -88,4 +88,8 @@ def build(bld):
         'PACKAGE="' + I18N_PACKAGE + str(bld.env['MAJOR']) + '"',
         'LIBARDOUR="' + bld.env['lwrcase_dirname'] + '"',
         ]
+    if re.search ("freebsd", sys.platform) != None:
+        obj.defines.append('_POSIX_C_SOURCE=200809')
+        obj.defines.append('_XOPEN_SOURCE=700')
+
     obj.install_path = os.path.join(bld.env['LIBDIR'])