java-gcj-compat FTBFS?

[Shot (Piotr Szotkowski)]

I’m new to the whole package building procedure, and I’m trying
to backport Dapper’s java-gcj-compat 1.0.52-0ubuntu1 to Breezy.

$ grep Build-Depends: debian/control
Build-Depends: debhelper (>= 4.2.28), cdbs (>= 0.4.26), gcj-4.1 (>= 4.1-0exp7), gij-4.1, fastjar, gjdoc

$ dpkg -l debhelper cdbs gcj-4.1 gij-4.1 fastjar gjdoc | grep ^ii
ii  cdbs      0.4.30ubuntu3
ii  debhelper 5.0.7ubuntu2~breezy0~shot1
ii  fastjar   4.0.1-4ubuntu9
ii  gcj-4.1   4.1-0ubuntu10~breezy~shot1
ii  gij-4.1   4.1-0ubuntu10~breezy~shot1
ii  gjdoc     0.7.5-1ubuntu2

Yet, `fakeroot dpkg-buildpackage` fails:

make[1]: Entering directory `/home/shot/ubuntu/packages/java-gcj-compat/1.0.52-0ubuntu1/java-gcj-compat-1.0.52'
gcj-4.1 -C -d . -I . com/sun/tools/javac/Config.java
gcj-4.1 -C -d . -I . com/sun/tools/javac/Main.java
gcj-4.1 -C -d . -I . sun/rmi/rmic/Main.java
make[1]: *** No rule to make target `/usr/share/java/com-sun-javadoc-0.7.7.jar', needed by `com/sun/tools/doclets/Taglet.class'.  Stop.
make[1]: Leaving directory `/home/shot/ubuntu/packages/java-gcj-compat/1.0.52-0ubuntu1/java-gcj-compat-1.0.52'
make: *** [build-stamp] Error 2

Does this qualify as an FTBFS? Do I need Debian experimental’s gcj-4.1?

(I’m asking because java-gcj-compat’s version number suggests it’s modified
for Ubuntu, so should build cleanly at least on the developer’s machine…)

-- Shot
-- 
The old 'give 'em a Linux box and they think they're
Jean-Luc Picard' syndrome.      -- Pete Bentley, asr
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