* avalon-framework-4.1.5.src.tar.gz MD5 ;-) ...                                                                                                                             [ ok ]
 * avalon-framework-4.1.5.src.tar.gz RMD160 ;-) ...                                                                                                                          [ ok ]
 * avalon-framework-4.1.5.src.tar.gz SHA1 ;-) ...                                                                                                                            [ ok ]
 * avalon-framework-4.1.5.src.tar.gz SHA256 ;-) ...                                                                                                                          [ ok ]
 * avalon-framework-4.1.5.src.tar.gz size ;-) ...                                                                                                                            [ ok ]
 * checking ebuild checksums ;-) ...                                                                                                                                         [ ok ]
 * checking auxfile checksums ;-) ...                                                                                                                                        [ ok ]
 * checking miscfile checksums ;-) ...                                                                                                                                       [ ok ]
 * checking avalon-framework-4.1.5.src.tar.gz ;-) ...                                                                                                                        [ ok ]
 * Using Generation-1 System VM: sun-jdk-1.4
>>> Unpacking source...
>>> Unpacking avalon-framework-4.1.5.src.tar.gz to /var/tmp/portage/avalon-framework-4.1.5/work
tar: Un bloc zéro solitaire repéré à 1662
>>> Source unpacked.
>>> Compiling source in /var/tmp/portage/avalon-framework-4.1.5/work/avalon-framework ...
Error: JAVA_HOME is not defined correctly.
  We cannot execute /opt/sun-jdk-1.4.2.12/bin/java

!!! ERROR: dev-java/avalon-framework-4.1.5 failed.
Call stack:
  ebuild.sh, line 1546:   Called dyn_compile
  ebuild.sh, line 937:   Called src_compile
  avalon-framework-4.1.5.ebuild, line 40:   Called die

!!! Compile failed!
!!! If you need support, post the topmost build error, and the call stack if relevant.