diff --git a/configure.ac b/configure.ac
index 6dc0d217ad..d6bea488a1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -526,6 +526,9 @@ AM_CONDITIONAL([HAVE_WATCHOS],    [test "${HAVE_WATCHOS}" = "1"])
 AM_CONDITIONAL([HAVE_LIBANL],  [test "${HAVE_LIBANL}" = "1"])
 
 AM_CONDITIONAL([HAVE_PROCESS_SPAWN],  [test "${HAVE_PROCESS_SPAWN}" = "1"])
+AM_COND_IF([HAVE_PROCESS_SPAWN], [
+  AC_DEFINE([HAVE_VLC_PROCESS_SPAWN], [1], [Define to 1 if vlc_process_Spawn() is usable.])
+])
 
 AM_CONDITIONAL([HAVE_WIN32],   [test "${SYS}" = "mingw32"])
 AM_CONDITIONAL([HAVE_WIN64],   [test "${HAVE_WIN64}" = "1"]) dnl Only used for the packaging