Bug#886751: [java-package] Unable to create an i386 package when current architecture is amd64

[Andrey ``Bass'' Shcheglov]

Package: java-package
Version: 0.62
Severity: normal

--- Please enter the report below this line. ---
As a Java developer, I often need to have a zoo of multiple JDK 
packages, incl. i386 versions (certain corner cases are only 
reproducible when running a 32 bit JVM). Still, despite I have multiarch 
enabled:
> $ dpkg --print-architecture
> amd64
> $ dpkg --print-foreign-architectures
> i386
- I'm unable to convert a jdk-8u152-linux-i586.tar.gz to an i386 package:
> $ make-jpkg jdk-8u152-linux-i586.tar.gz
> Creating temporary directory: /tmp/make-jpkg.KysK03B3Zh
> Loading plugins: /usr/share/java-package/common.sh 
> /usr/share/java-package/javase.sh /usr/share/java-package/jdk-doc.sh 
> /usr/share/java-package/oracle-jdk-doc.sh 
> /usr/share/java-package/oracle-jdk.sh 
> /usr/share/java-package/oracle-jre.sh 
> /usr/share/java-package/oracle-server-jre.sh
>
> Detected Debian build architecture: amd64
> Detected Debian GNU type: x86_64-linux-gnu
> The archive jdk-8u152-linux-i586.tar.gz is not supported on the amd64 
> architecture
>
> No matching packaging method was found for jdk-8u152-linux-i586.tar.gz.
> Please make sure you are using a tar.gz or a self-extracting archive
> Removing temporary directory: done
Even if I fake DEB_BUILD_ARCH and DEB_BUILD_GNU_TYPE, I'm still unable 
to create the package:
> $ DEB_BUILD_ARCH=i386 DEB_BUILD_GNU_TYPE=i386-linux-gnu make-jpkg 
> jdk-8u152-linux-i586.tar.gz
> Creating temporary directory: /tmp/make-jpkg.fAGP6ENGne
> Loading plugins: /usr/share/java-package/common.sh 
> /usr/share/java-package/javase.sh /usr/share/java-package/jdk-doc.sh 
> /usr/share/java-package/oracle-jd
> k-doc.sh /usr/share/java-package/oracle-jdk.sh 
> /usr/share/java-package/oracle-jre.sh 
> /usr/share/java-package/oracle-server-jre.sh
>
> Detected Debian build architecture: i386
> Detected Debian GNU type: i386-linux-gnu
>
> Detected product:
>     Java(TM) Development Kit (JDK)
>     Standard Edition, Version 8 Update 152
>     Oracle(TM)
> Is this correct [Y/n]:
>
> Checking free diskspace: done.
>
> In the next step, the binary file will be extracted. Probably a
> license agreement will be displayed. Please read this agreement
> carefully. If you do not agree to the displayed license terms, the
> package will not be built.
>
> Press [Return] to continue:
>
>
>
> Testing extracted archive... okay.
>
> Create debian package:
> dpkg-buildpackage: info: source package oracle-java8-jdk
> dpkg-buildpackage: info: source version 8u152
> dpkg-buildpackage: info: source distribution unstable
> dpkg-buildpackage: info: source changed by Debian Java Maintainers 
> <pkg-java-maintainers at lists.alioth.debian.org>
> dpkg-buildpackage: info: host architecture amd64
>  dpkg-source --before-build package
>  debian/rules clean
> dh clean
> dh: No packages to build.
>  debian/rules build
> dh build
> dh: No packages to build.
>  debian/rules binary
> dh binary
> dh: No packages to build.
>  dpkg-genbuildinfo --build=binary
> dpkg-genbuildinfo: error: binary build with no binary artifacts found; 
> .buildinfo is meaningless
> dpkg-buildpackage: error: dpkg-genbuildinfo --build=binary gave error 
> exit status 2
>
> Aborted (-us).
>
> Removing temporary directory: done
Given that make-jpkg simply repacks the original .tar.gz and checks for 
binary dependencies, it's strange it doesn't allow to build a package 
for a foreign architecture. And since java-package is a collection of 
shell scripts, no java-package:i386 counterpart is available, either.

--- System information. ---
Architecture:
Kernel: Linux 4.9.0-4-amd64

Debian Release: 9.3
500 xenial package.perforce.com
500 trusty package.perforce.com
500 stable-updates ftp.ru.debian.org
500 stable security.debian.org
500 stable ftp.ru.debian.org
500 precise package.perforce.com
500 jessie mirror.ppa.trinitydesktop.org
100 stretch-backports ftp.ru.debian.org

--- Package information. ---
Depends (Version) | Installed
==============================-+-===========
debhelper (>= 9) | 10.2.5
build-essential | 12.3
dpkg-dev | 1.18.24
fakeroot | 1.21-3.1
libasound2 | 1.1.3-5
libfontconfig1 | 2.11.0-6.7+b1
libgl1-mesa-glx | 13.0.6-1+b2
libgtk2.0-0 | 2.24.31-2
libx11-6 | 2:1.6.4-3
libxslt1.1 | 1.1.29-2.1
libxtst6 | 2:1.2.3-1
libxxf86vm1 | 1:1.1.4-1+b2
unzip | 6.0-21


Package's Recommends field is empty.

Suggests (Version) | Installed
============================-+-===========
openjdk-7-jre |

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