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jart/cosmopolitan

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build-once run-anywhere c library

293 mentions on Hacker News by 135 people: 24 stories, 269 comments · first 2020-06-20 · latest 2026-10-11

Mentions per year 293 mentions · busiest year 2021 (69)
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  1. …happen. Cosmopolitan implements a simplified version of the Address Sanitizer (ASAN) runtime. See https://github.com/jart/cosmopolitan/blob/master/libc/log/as... I've been systematically working towards using it to vet the entire codebase.…
    comment by jart · 2020-12-28 · in Cosmopolitan Libc: build-once run-anywhere C library
  2. …trying to support like WYSE terminals or actual teletypewriters. Here's the dox on the subject: https://github.com/jart/cosmopolitan/blob/1fc91f3/tool/build... > If a user hits Ctrl-C during clean-up operations that might take a long time,…
    comment by jart · 2020-12-21 · in Command Line Interface Guidelines
  3. Sorry here's what a build file looks like, which should hopefully clarify: https://github.com/jart/cosmopolitan/blob/master/libc/mem/me... As you can see, it's just vanilla make. The package program is just a helper that checks to make…
    comment by jart · 2020-11-29 · in Please – A cross-language build system
  4. …that checks some build configuration, augments C and postprocesses executable files? (Looking at https://github.com/jart/cosmopolitan it's an interesting hack. Might be useful in some cases, for example command-line tools like git.) Have…
    comment by s_gourichon · 2020-11-28 · in Please – A cross-language build system
  5. …stays sanely formed. It totally got make working like a dream in a way I simply hadn't seen before. https://github.com/jart/cosmopolitan/blob/master/tool/build/...
    comment by jart · 2020-11-28 · in Please – A cross-language build system
  6. …supported. CGA is kind of just a uint16_t[20][80] array for personal computers. See also: https://github.com/jart/cosmopolitan/blob/ea0b5d9/tool/build... You're absolutely right that the inconsistencies with textmode used to be about as…
    comment by jart · 2020-11-28 · in Bring back the ease of 80s and 90s personal computing
  7. …ps://justine.storage.googleapis.com/ape.html It even supports fork() on windows as of a few days ago: https://github.com/jart/cosmopolitan/commit/db33973e0aae7ffc...
    comment by jesuscyborg · 2020-11-17 · in Best aspects of C
  8. …this day and age like being able to build once run anywhere TUI apps for Windows/Mac/Linux/BSD. See https://github.com/jart/cosmopolitan/commit/9e3e985ae5fdccc9... and https://justine.storage.googleapis.com/ape.html
    comment by jart · 2020-10-23 · in Rejuvenating Autoconf
  9. …days to retool the standard x86_64 compiler to generate 16-bit boot code for The LISP Challenge. https://github.com/jart/cosmopolitan/blob/b6793d42d5ed6b4f78...
    comment by jart · 2020-10-01 · in Defer Reference Implementation for C
  10. Thanks for the feedback! The README has now been updated: https://github.com/jart/cosmopolitan/commit/fd22e55b42503093... It could use more work though. See also https://justine.storage.googleapis.com/ape.html and the HN thread about it…
    comment by jart · 2020-09-30 · in Defer Reference Implementation for C
  11. …That should just work with GCC and Clang. That code is originally from the Cosmopolitan C Library ( https://github.com/jart/cosmopolitan ) so check it out if you like the Gist and want more! Please note the macro operates at function call…
    comment by jart · 2020-09-30 · in Defer Reference Implementation for C
  12. …I put together recently that builds over 9000 objects, 72 libraries, and a few hundred executables. https://github.com/jart/cosmopolitan/blob/master/Makefile The interesting part I've noticed is tuning the makefile so it correctly orders…
    comment by jart · 2020-09-04 · in The Quest to the Perfect Makefile
  13. You can read more in the libc source. The readme gives an overview. https://github.com/jart/cosmopolitan/tree/master/libc
    comment by ChrisSD · 2020-08-24 · in αcτµαlly pδrταblε εxεcµταblε
  14. He talks about it a bit as the "magic numbers". You can see the big table: https://github.com/jart/cosmopolitan/blob/c91b3c50068224929c... I guess there's also syscall emulation stubs for Windows but since he only supports "stdio and…
    comment by Mathnerd314 · 2020-08-24 · in αcτµαlly pδrταblε εxεcµταblε
  15. …and distribute tiny native portable programs (like Kilo!) using hermetically sealed tools. See https://github.com/jart/cosmopolitan
    comment by jart · 2020-07-01 · in The End of the Redis Adventure
  16. Static linking ( https://github.com/jart/cosmopolitan ) jart@debian:~/cosmo$ make -j12 CPPFLAGS+=-DIM_FEELING_NAUGHTY MODE=tiny o/tiny/examples/hello.com jart@debian:~/cosmo$ ls -sh o/tiny/examples/hello.com 20K o/tiny/examples/hello.com…
    comment by jart · 2020-06-26 · in Dynamic linking
  17. …like native machine learning code. For example one build system that enables that use case is: https://github.com/jart/cosmopolitan At best these new POWER or ARM architecture Apple PCs are going to be like a C-class Mercedes. So I'm…
    comment by jart · 2020-06-22 · in Apple announces it will switch to its own processors for future Macs
  18. …also taught us last year that 4kb of code is all it takes to decode every x86 isa (i.e. 1977-2020) https://github.com/jart/cosmopolitan/blob/d51409c/third_part... Thanks Mark Charney. https://github.com/intelxed/xed
    comment by jart · 2020-06-22 · in Domain-Specific Hardware Accelerators
  19. …I want is stdio and math; how can I do that without all the breaking builds and broken hearts?" https://github.com/jart/cosmopolitan Please consider supporting us. These old technologies are widely supported and have stood the test of…
    comment by jart · 2020-06-20 · in Rediscovering the beauty of text on the internet