今天看啥
热点:

  不稳定软件包有几种,

  1,~amd64(~x86) keyword

  这种情况说明make.conf中指明了关键字amd64,而不是~amd64关键字,这样所有标有~amd64关键字的软件默认都不会装上。

  $ emerge -pv =vanilla-sources-2.6.16.62

  These are the packages that would be merged, in order:

  Calculating dependencies...

  !!! All ebuilds that could satisfy "=sys-kernel/vanilla-sources-2.6.16.62" have been masked.

  !!! One of the following masked packages is required to complete your request:

  - sys-kernel/vanilla-sources-2.6.16.62 (masked by: ~amd64 keyword)

  [...]

  这是程度最轻的,~amd64表示该软件在amd64架构上尚不稳定,可以通过添加为该软件添加~amd64关键字来安装:

  # echo "=sys-kernel/vanilla-sources-2.6.16.62 ~amd64" >> /etc/portage/package.keywords

  # emerge -pv =vanilla-sources-2.6.16.62

  These are the packages that would be merged, in order:

  Calculating dependencies... done!

  [ebuild N ] sys-kernel/vanilla-sources-2.6.16.62 USE="-build -symlink" 40,240 kB

  Total: 1 package (1 new), Size of downloads: 40,240 kB

  2,missing keyword

  这种比表明该软件在该平台上还没有规范的测试过,不知是否可用。显然这样的软件一般是无法保障的。

  # emerge -pv =vanilla-sources-2.6.27_rc6

  These are the packages that would be merged, in order:

  Calculating dependencies

  !!! All ebuilds that could satisfy "=sys-kernel/vanilla-sources-2.6.27_rc6" have been masked.

  !!! One of the following masked packages is required to complete your request:

  - sys-kernel/vanilla-sources-2.6.27_rc6 (masked by: package.mask, missing keyword)

  (2.6.27_rc6) [m]~*2.6.27_rc6

  这时需要在该软件的ebuild中加入相应的平台关键字,在文件/usr/portage/sys-kernel/vanilla-sources/vanilla-sources-2.6.27_rc6.ebuild中加入~amd64:

  KEYWORDS="~alpha ~arm ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~amd64"

  再

  # ebuild /usr/portage/sys-kernel/vanilla-sources/vanilla-sources-2.6.27_rc6.ebuild digest

  3, package.mask

  这种情况的软件的稳定程度介于第一种和第三种之间,下面接着第二的例子再emerge一下:

  # emerge -pv =vanilla-sources-2.6.27_rc2

  These are the packages that would be merged, in order:

  Calculating dependencies -^C

  Exiting on signal 2

  Gentoo-F312-64 example # emerge -pv =vanilla-sources-2.6.27_rc6

  These are the packages that would be merged, in order:

  Calculating dependencies

  !!! All ebuilds that could satisfy "=sys-kernel/vanilla-sources-2.6.27_rc6" have been masked.

  !!! One of the following masked packages is required to complete your request:

  - sys-kernel/vanilla-sources-2.6.27_rc6 (masked by: package.mask, ~amd64 keyword)

  这时出现了package.mask, ~amd64 keyword,后者第1点已经说到了,对于package.mask,只需:

  # echo "=sys-kernel/vanilla-sources-2.6.27_rc6" >> /etc/portage/package.unmask

  就可以了,按照第一点,还要接着:

  # echo "=sys-kernel/vanilla-sources-2.6.27_rc6 ~amd64" >> /etc/portage/package.keywords

  这样该软件就ok了:

  # emerge -pv =vanilla-sources-2.6.27_rc6

  These are the packages that would be merged, in order:

  Calculating dependencies... done!

  [ebuild N ] sys-kernel/vanilla-sources-2.6.27_rc6 USE="-build -symlink" 62,377 kB

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