[gnome-characters] build: Hook gnulib-tool if $GNULIB_SRCDIR is set

[Daiki Ueno <dueno src gnome org>]

commit f53e0dcc1605c1ab5b5d15e951f2cb76e0b77dc3
Author: Daiki Ueno <dueno src gnome org>
Date:   Tue Jan 20 15:18:47 2015 +0900

    build: Hook gnulib-tool if $GNULIB_SRCDIR is set

 autogen.sh |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 7ed5259..b6badd9 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -22,6 +22,23 @@ which gnome-autogen.sh || {
 (cd "$srcdir" ;
 test -d m4 || mkdir m4/ ;
 git submodule update --init --recursive ;
+test -z "$GNULIB_SRCDIR" || \
+    "$GNULIB_SRCDIR"/gnulib-tool --import \
+                   --source-base=gllib --m4-base=glm4 --tests-base=gltests \
+                   --libtool --no-vc-files \
+                   libunistring-optional \
+                   unicase/tolower \
+                   unicase/toupper \
+                   unicase/totitle \
+                   unictype/block-all \
+                   unictype/category-all \
+                   unictype/ctype-print \
+                   unictype/mirror \
+                   unictype/property-all \
+                   unictype/scripts-all \
+                   unistr/u32-to-u8 \
+                   unitypes \
+                   uniname/uniname ;
 )
 . gnome-autogen.sh