那位大师指导下我这是哪个被循环依赖了呀？

[uihe]

* Error: circular dependencies:

(media-libs/harfbuzz-2.8.1:0/0.9.18::gentoo, ebuild scheduled for merge) depends on
(media-libs/freetype-2.10.4:2/2::gentoo, ebuild scheduled for merge) (buildtime_slot_op)
(media-libs/harfbuzz-2.8.1:0/0.9.18::gentoo, ebuild scheduled for merge) (buildtime)
* Note that circular dependencies can often be avoided by temporarily
* disabling USE flags that trigger optional dependencies.

The following packages are causing rebuilds:

(dev-lang/perl-5.34.0:0/5.34::gentoo, ebuild scheduled for merge) causes rebuilds for:
(dev-perl/Pod-Parser-1.630.0-r1:0/0::gentoo, ebuild scheduled for merge)
(dev-perl/MIME-Charset-1.12.2:0/0::gentoo, ebuild scheduled for merge)
(virtual/perl-Module-Metadata-1.0.37-r1:0/0::gentoo, ebuild scheduled for merge)
(virtual/perl-CPAN-Meta-2.150.10-r5:0/0::gentoo, ebuild scheduled for merge)
(virtual/perl-podlators-4.140.0-r2:0/0::gentoo, ebuild scheduled for merge)
(virtual/perl-Pod-Parser-1.630.0-r8:0/0::gentoo, ebuild scheduled for merge)
(dev-perl/YAML-Tiny-1.730.0:0/0::gentoo, ebuild scheduled for merge)
(virtual/perl-CPAN-Meta-YAML-0.18.0-r7:0/0::gentoo, ebuild scheduled for merge)
(virtual/perl-Text-ParseWords-3.300.0-r8:0/0::gentoo, ebuild scheduled for merge)
(dev-perl/Text-CharWidth-0.40.0-r1:0/0::gentoo, ebuild scheduled for merge)
(dev-perl/SGMLSpm-1.1-r1:0/0::gentoo, ebuild scheduled for merge)
(dev-perl/TermReadKey-2.370.0:0/0::gentoo, ebuild scheduled for merge)
(virtual/perl-Perl-OSType-1.10.0-r5:0/0::gentoo, ebuild scheduled for merge)
(dev-perl/Unicode-LineBreak-2019.1.0:0/0::gentoo, ebuild scheduled for merge)
(dev-perl/Text-WrapI18N-0.60.0-r1:0/0::gentoo, ebuild scheduled for merge)
(dev-perl/Locale-gettext-1.70.0:0/0::gentoo, ebuild scheduled for merge)
(virtual/perl-Parse-CPAN-Meta-2.150.10-r5:0/0::gentoo, ebuild scheduled for merge)

[uihe]

# USE=-harfbuzz emerge -av media-libs/freetype

[JuanCC]

不知道楼主的问题解决没有，今天安装wine遇到了同样的问题
hardbuffz 的 freetype use flag 和 freetype 的 hardbuffz use flag 导致他们互相依赖
我跟着下面的链接做，问题就解决了。
https://forums.gentoo.org/viewtopic-p-8652181.html

[jiangtao]

[younker]

如果你用jupyter notebook,你要注意先merge nbconvert-6.7.x,mask掉nbconvert-7, 等所有的都merge成功了， 就可以再次merge nbconvert-7了。这个比较特殊，用USE不能解决的。