[Buildroot] [RFC 07/15] m4: define license

[Luca Ceresoli]

Signed-off-by: Luca Ceresoli <luca at lucaceresoli.net>
---
 package/m4/m4.mk |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/package/m4/m4.mk b/package/m4/m4.mk
index 173bba8..480df7b 100644
--- a/package/m4/m4.mk
+++ b/package/m4/m4.mk
@@ -7,6 +7,7 @@
 M4_VERSION = 1.4.16
 M4_SOURCE = m4-$(M4_VERSION).tar.bz2
 M4_SITE = $(BR2_GNU_MIRROR)/m4
+M4_LICENSE = GPL_V3
 M4_CONF_ENV = gl_cv_func_gettimeofday_clobber=no
 
 ifneq ($(BR2_USE_WCHAR),y)
-- 
1.7.5.4