Bug#893252: libjdbm-java FTBFS with openjdk-9

[Adrian Bunk]

Source: libjdbm-java
Version: 1.0-2
Severity: serious
Tags: buster sid

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/libjdbm-java.html

...
main:
    [javac] /build/1st/libjdbm-java-1.0/src/build.xml:72: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds
    [javac] Using javac -source 1.3 is no longer supported, switching to 1.6
    [javac] Using javac -target 1.3 is no longer supported, switching to 1.6
    [javac] Compiling 57 source files to /build/1st/libjdbm-java-1.0/build/classes
    [javac] warning: [options] bootstrap class path not set in conjunction with -source 1.6
    [javac] warning: [options] source value 1.6 is obsolete and will be removed in a future release
    [javac] warning: [options] target value 1.6 is obsolete and will be removed in a future release
    [javac] warning: [options] To suppress warnings about obsolete options, use -Xlint:-options.
    [javac] /build/1st/libjdbm-java-1.0/src/main/jdbm/btree/BTree.java:456: error: unmappable character (0xA0) for encoding US-ASCII
    [javac]      * WARNING: ?If you make structural modifications to the BTree during
    [javac]                 ^
    [javac] /build/1st/libjdbm-java-1.0/src/main/jdbm/btree/BTree.java:477: error: unmappable character (0xA0) for encoding US-ASCII
    [javac]      * WARNING: ?If you make structural modifications to the BTree during
    [javac]                 ^
    [javac] 2 errors
    [javac] 4 warnings

BUILD FAILED
/build/1st/libjdbm-java-1.0/src/build.xml:72: Compile failed; see the compiler error output for details.

Total time: 24 seconds
make: *** [/usr/share/cdbs/1/class/ant.mk:39: debian/stamp-ant-build] Error 1