Bug#477850: cairo-java: adjust build-dependency (gcj not built on alpha, arm, hppa and hurd-i386)

[Michael Koch]

On Sun, Apr 27, 2008 at 10:02:03AM +0200, Thomas Girard wrote:
> Hello Matthias,
> 
> Le vendredi 25 avril 2008 à 18:36 +0200, Matthias Klose a écrit : 
> > gij/gcj and java-gcj-compat are not available (anymore) on the following
> > architectures: alpha, arm, hppa and hurd-i386.
> > 
> > This package has been identified as a package which build-depends on
> > gcj or java-gcj-compat-dev and builds at least one architecture
> > dependent package, and is unbuildable in unstable. If this report is a
> > false positive, please close it.
> > 
> > All gcj related build dependencies have to restricted to these
> > architectures on which a java or java compatible development kit /
> > compiler is available, i.e.
> > 
> >   java-gcj-compat [!alpha !arm !hppa !hurd-i386]
> > 
> > As a second step please consider changing the java-gcj-compat-dev b-d
> > to default-jdk-builddep, making the package independent of a specific
> > implementation and depend on the jdk, which is most suitable for this
> > architecture. default-jdk-builddep will depend in addition on
> > java-gcj-compat-dev, even if the default jdk is another one (to allow
> > to compile byte-code to native code using dh_nativejava).
> 
> I am not sure I see what the proper fix is for this bug:
> 
> * changing the build-dependencies from:
>     gcj, java-gcj-compat-dev
>   to: 
>     gcj [!alpha !arm !hppa !hurd-i386], java-gcj-compat-dev [!alpha !arm !hppa !hurd-i386]
> 
>   will prevent installing a non-existent build-dep on these arches at
>   compile time.
> 
> * source packages that produce -gcj, -jni (or even -cni) binary
>   packages - that is arch-dep packages - should no longer be autobuilt
>   on the alpha, arm, hppa, hurd-i386 arches. But how? Is it enough to
>   change all Architecture: any packages to Architecture: i38 amd64 ...,
>   i.e. everything but the unsupported arches? (Unfortunately we can't
>   use the negated notation here AFAIK.)
> 
> * the Architecture: all packages usually depend on:
>     java-gcj-compat | java2-runtime
>   so this again should be changed to:
>     java-gcj-compat [!alpha !arm !hppa !hurd-i386] | java2-runtime
> 
> * changing java-gcj-compat to default-jdk and java-gcj-compat-dev to
>   default-jdk-dev does not change anything with respect to the arches
>   issue: for now there's no such packages on the gcj-unsupported
> arches.
>   Will this change? If the answer is no, this means the same notations
>   have to be used with the new package.

Just replace java-gcj-compat-dev to default-jdk-builddep in
Build-Depends in debian/control and set JAVA_HOME to
/usr/lib/jvm/default-java in debian/rules. That's it.


Cheers,
Michael