2023-01-03 11:13:45 +08:00
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#+TITLE: 2023 了, 试试 emacs 29
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#+DATE: <2023-01-02 一>
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#+OPTIONS: toc:1
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2023 了, 元旦假期, 想体验一下新版本的 emacs, 我已经眼馋好久了
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发行版还没提供? 自己编译, 而且自己编译可以自定义一些选项, 比如 pgtk
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2023-01-05 11:25:29 +08:00
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完整的新特性去看 =etc/NEWS= (btw, =emacs-news-mode= 也是新加的)
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* build emacs (with musl?)
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2023-01-17 11:13:20 +08:00
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[[https://zhuanlan.zhihu.com/p/172518559][gcc 参数来源]]
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2023-01-03 11:13:45 +08:00
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#+BEGIN_SRC sh
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2023-01-17 11:13:20 +08:00
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./configure CFLAGS="-march=native -O3 -pipe -finline-functions -fno-math-errno -fno-trapping-math -fgraphite-identity -floop-nest-optimize -ftree-loop-distribution -fno-semantic-interposition -fipa-pta -fno-plt" \
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2023-01-03 11:13:45 +08:00
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--with-x=no \
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--with-gpm=no \
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--with-pgtk \
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--with-native-compilation \
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--with-json \
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--with-sqlite3 \
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2023-01-05 11:25:29 +08:00
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--with-tree-sitter \
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--with-webp \
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--with-gif
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#+END_SRC
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@@html:<details>@@
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@@html:<summary>but what about musl? (CC=musl-gcc)</summary>@@
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#+BEGIN_SRC text
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checking whether GTK compiles... no
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configure: error: Gtk+ wanted, but it does not compile, see config.log.
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2023-01-03 11:13:45 +08:00
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#+END_SRC
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2023-01-05 11:25:29 +08:00
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#+BEGIN_SRC text
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<dongdigua> hello, I tried to build emacs with musl-gcc, but it says:
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<dongdigua> error: Gtk+ wanted, but it does not compile
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<dongdigua> it can build using normal gcc
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<dongdigua> and it can build on voidlinux
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<sam_> dalias: <3
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<dongdigua> o_O
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<sam_> dongdigua: you'd have to share some logs in full for us to help at all
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<sam_> but you'd be better off asking your Linux distribution
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<dongdigua> it is mostly `ld: error: unable to find library`
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<dongdigua> sam_: so i think it is probably something about the wrapper script
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<heat> musl-gcc (does not? should not?) pick up on host libraries because they
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were built against glibc and not musl
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<heat> so musl-gcc will not pick up on those
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<heat> or at least they will just not work and will break configure
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<dongdigua> heat: so I should use those libraries that is built on musl?
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<dongdigua> like voidlinux I mentioned above
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<heat> yes
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<dongdigua> ok
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ERC>
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#+END_SRC
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@@html:</details>@@
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2023-01-03 11:13:45 +08:00
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2023-01-17 11:13:20 +08:00
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* dump?
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现在开启 =native-comp= 时 =dump-emacs-portable= 没法弄, 见: [[https://emacs-china.org/t/emacs-29-with-native-comp-dump/22762][emacs china: emacs 29 with native-comp 无法 dump]]
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试着不开 native-comp dump 了一下, 也就加快了 0.2 s, 而且有各种问题, 算啦算啦
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2023-01-03 11:13:45 +08:00
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* 我 有切身体会/还没体验但是认为很不错 的新特性
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** [[https://emacs-china.org/t/emacs/19806]["真" 背景透明]]
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这是我提前了解到的第一个 emacs29 特性, [[https://www.bilibili.com/video/BV1ca41127KY][evan 的视频]]
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但是有透明通道的图片不会跟着透明
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** [[https://www.emacswiki.org/emacs/SmoothScrolling][平滑滚动]]
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搜索 emacs29 蹦出来的
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2023-01-05 11:25:29 +08:00
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** elisp-byte-compile-file
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2023-01-03 11:13:45 +08:00
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** emoji 😀
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** package-vc-install
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但是 =package-report-bug= 有点迷惑
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* 我认为早就该加了但是现在才加入
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** erc-sasl
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我编译的时候偶然发现的 =erc-sasl.el=
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我去! 终于有 sasl 了! 不用第三方的 [[https://github.com/emacs-circe/circe][circe]] 了!
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*只需要 customize =erc-modules= 加入 sasl, 然后用 =erc-tls= 就成了*
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这个最早 12 年就有人提出了 ([[https://lists.gnu.org/archive/html/erc-discuss/2012-02/msg00001.html][注释里给的链接]])
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** restart-emacs
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** package-update(-all)
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* 29.1
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- =use-package=
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2023-01-05 11:25:29 +08:00
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- more =*-ts-mode=
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