Add configure option to upgrade (L)GPL to version 3.

[libav.git] / configure

diff --git a/configure b/configure
index c35bfbb..58f36c2 100755 (executable)
--- a/configure
+++ b/configure
@@ -75,6 +75,7 @@ show_help(){
   echo "  --enable-shared          build shared libraries [no]"
   echo "  --enable-gpl             allow use of GPL code, the resulting libs"
   echo "                           and binaries will be under GPL [no]"
+  echo "  --enable-version3        upgrade (L)GPL to version 3 [no]"
   echo "  --enable-nonfree         allow use of nonfree code, the resulting libs"
   echo "                           and binaries will be unredistributable [no]"
   echo "  --disable-ffmpeg         disable ffmpeg build"
@@ -812,6 +813,7 @@ CONFIG_LIST="
     small
     static
     swscale_alpha
+    version3
     x11grab
     zlib
 "
@@ -933,6 +935,8 @@ HAVE_LIST="
 
 # options emitted with CONFIG_ prefix but not available on command line
 CONFIG_EXTRA="
+    gplv3
+    lgplv3
 "
 
 CMDLINE_SELECT="
@@ -1757,6 +1761,7 @@ die_license_disabled nonfree libamr_nb
 die_license_disabled nonfree libamr_wb
 die_license_disabled nonfree libfaac
 
+enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
 
 check_deps $ARCH_EXT_LIST
 
@@ -2391,6 +2396,10 @@ done
 license="LGPL version 2.1 or later"
 if enabled nonfree; then
     license="nonfree and unredistributable"
+elif enabled gplv3; then
+    license="GPL version 3 or later"
+elif enabled lgplv3; then
+    license="LGPL version 3 or later"
 elif enabled gpl; then
     license="GPL version 2 or later"
 fi