如何安装jdk1.5?

# emerge jdk
Calculating dependencies
!!! All ebuilds that could satisfy "jdk" have been masked.
!!! One of the following masked packages is required to complete your request:
- virtual/jdk-1.6.0 (masked by: missing keyword)
- virtual/jdk-1.5.0 (masked by: missing keyword)
- virtual/jdk-1.4.2 (masked by: missing keyword)
- virtual/jdk-1.4.1 (masked by: missing keyword)

For more information, see MASKED PACKAGES section in the emerge man page or
refer to the Gentoo Handbook.

# emerge sun-jdk
Calculating dependencies
!!! All ebuilds that could satisfy "sun-jdk" have been masked.
!!! One of the following masked packages is required to complete your request:
- dev-java/sun-jdk-1.5.0.10 (masked by: missing keyword)
- dev-java/sun-jdk-1.6.0-r1 (masked by: missing keyword)
- dev-java/sun-jdk-1.5.0.09 (masked by: missing keyword)
- dev-java/sun-jdk-1.5.0.08 (masked by: missing keyword)
- dev-java/sun-jdk-1.5.0.09-r1 (masked by: missing keyword)
- dev-java/sun-jdk-1.6.0 (masked by: missing keyword)
- dev-java/sun-jdk-1.4.2.12-r2 (masked by: missing keyword)
- dev-java/sun-jdk-1.4.2.13 (masked by: missing keyword)

For more information, see MASKED PACKAGES section in the emerge man page or
refer to the Gentoo Handbook.


请问如何解决？

我的是sparc呀，不是x86
我用了ACCEPT_KEYWORDS="~sparc" emerge sun-jdk也不行呀？
要如何安装呢？

http://packages.gentoo.org/search/?sstring=sun-jdk
http://packages.gentoo.org/search/?sstring=blackdown
暂时死心吧

不知道还有没有其他选择

portage里没有，可以自己到 http://java.sun.com/j2se/1.5.0/ 去下载啊，然后手动安装就是了