Bug#765484: qdox: FTBFS (hangs) on armhf.

[Andrew Lee (=?UTF-8?Q?=E6=9D=8E=E5=81=A5=E7=A7=8B?=)]

Package: qdox
Version: 1.12-1
Severity: important

Dear Maintainer,

I noticed qdox ftbfs (hangs) on my arm box. I went on porterbox (abel.d.o) and
reproduced the same issue in sid armhf chroot there.

Here is the fulllog:
(sid_armhf-dchroot)ajqlee at abel:~$ cd qdox-1.12/
(sid_armhf-dchroot)ajqlee at abel:~/qdox-1.12$ debuild 
 dpkg-buildpackage -rfakeroot -D -us -uc
dpkg-buildpackage: source package qdox
dpkg-buildpackage: source version 1.12-1
dpkg-buildpackage: source distribution unstable
dpkg-buildpackage: source changed by Damien Raude-Morvan <drazzib at debian.org>
 dpkg-source --before-build qdox-1.12
dpkg-buildpackage: host architecture armhf
 fakeroot debian/rules clean
dh clean --buildsystem=ant --with maven_repo_helper
   dh_testdir -O--buildsystem=ant
   dh_auto_clean -O--buildsystem=ant
Buildfile: /home/ajqlee/qdox-1.12/debian/build.xml

clean:
   [delete] Deleting directory /home/ajqlee/qdox-1.12/build

clean:

BUILD SUCCESSFUL
Total time: 1 second
   mh_clean -O--buildsystem=ant
   dh_clean -O--buildsystem=ant
 dpkg-source -b qdox-1.12
dpkg-source: info: using source format `3.0 (quilt)'
dpkg-source: info: building qdox using existing ./qdox_1.12.orig.tar.gz
dpkg-source: info: building qdox in qdox_1.12-1.debian.tar.xz
dpkg-source: info: building qdox in qdox_1.12-1.dsc
 debian/rules build
dh build --buildsystem=ant --with maven_repo_helper
   dh_testdir -O--buildsystem=ant
   dh_auto_configure -O--buildsystem=ant
   dh_auto_build -O--buildsystem=ant
Buildfile: /home/ajqlee/qdox-1.12/debian/build.xml

package:
     [java] Reading skeleton file "src/grammar/skeleton.inner".
     [java] Reading "src/grammar/lexer.flex"
     [java] 
     [java] Warning : Macro "CommentChar" has been declared but never used.
     [java] Constructing NFA : 1,071 states in NFA
     [java] Converting NFA to DFA : 
     [java] .........................................................................................................................................................................................................................................................................................................................................................................................................................................................................
     [java] 491 states before minimization, 384 states in minimized DFA
     [java] Writing code to "build/generated-sources/com/thoughtworks/qdox/parser/impl/JFlexLexer.java"

[..hangs forever...]

Best regards,

-Andrew