automake is licensed under GPL-2.0-or-later, not GPL-3.0-or-later:
https://git.savannah.gnu.org/cgit/automake.git/tree/COPYING
indeed switch to GPL-3.0-or-later was reverted a long time ago (i.e.
before its addition to openwrt) by
https://git.savannah.gnu.org/cgit/automake.git/commit/?id=
fcf2f56062e384455ec8b1aed943af33f20c27c7
While at it, add the license file
Fixes: c6ac1e3f76ecd92d02d82c5729bbd1f2bd64922b
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
(cherry picked from commit
f3e54bda3131c97fd07af50c12ae7eade768b58b)
PKG_HASH:=ff2bf7656c4d1c6fdda3b8bebb21f09153a736bcba169aaf65eab25fa113bf3a
PKG_MAINTAINER:=Heinrich Schuchardt <xypron.glpk@gmx.de>
-PKG_LICENSE:=GPL-3.0-or-later
+PKG_LICENSE:=GPL-2.0-or-later
+PKG_LICENSE_FILES:=COPYING
PKG_CPE_ID:=cpe:/a:gnu:automake
PKG_INSTALL:=1