2 files changed, 2 insertions, 3 deletions
diff --git a/src/jalv_internal.h b/src/jalv_internal.h
index 855cf62..3bfc102 100644
--- a/src/jalv_internal.h
+++ b/src/jalv_internal.h
@@ -17,6 +17,8 @@
 #ifndef JALV_INTERNAL_H
 #define JALV_INTERNAL_H
 
+#define _POSIX_C_SOURCE 200809L
+
 #include "lv2_evbuf.h"
 #include "symap.h"
 
diff --git a/wscript b/wscript
index 06c001c..33be578 100644
--- a/wscript
+++ b/wscript
@@ -124,9 +124,6 @@ def configure(conf):
                         define_name = 'HAVE_SIGACTION',
                         mandatory   = False)
 
-    if conf.is_defined('HAVE_ISATTY') and conf.is_defined('HAVE_FILENO'):
-        conf.env.append_unique('CFLAGS', ['-D_POSIX_C_SOURCE=200809L'])
-
     if not Options.options.no_jack_session:
         conf.define('JALV_JACK_SESSION', 1)