2020-06-15 14:18:57 +00:00
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# Cosmopolitan
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Cosmopolitan builds run natively on most platforms without dependencies,
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because it implements the subset of the C library, compiler runtimes and
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system call interfaces that've achieved near universal consensus amongst
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all major platforms, e.g. Linux/BSD/XNU/NT. Containerization is achieved
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by having binaries also be ZIP files. Modern static stock GNU toolchains
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2020-06-16 13:38:43 +00:00
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are provided in a hermetic mono repo for the best historical determinism
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2020-06-15 14:18:57 +00:00
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Here's how you can get started by printing cat videos inside a terminal:
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make -j8 o//tool/viz/printvideo.com
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wget https://justine.storage.googleapis.com/cats.mpg
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o//tool/viz/printvideo.com cats.mpg
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unzip -vl o//tool/viz/printvideo.com
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Cosmopolitan provides a native development environment similar to those
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currently being offered by RedHat, Google, Apple, Microsoft, etc. We're
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different in two ways: (1) we're not a platform therefore we don't have
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any commercial interest in making our tooling work better on one rather
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2020-06-21 07:10:11 +00:00
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than another; and (2) we cater primarily towards features having gained
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cross-platform agreement. Goal is software that stands the test of time
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2020-06-15 14:18:57 +00:00
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without the costs and restrictions cross-platform distribution entails.
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2020-06-21 07:10:11 +00:00
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2020-06-15 14:18:57 +00:00
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That makes Cosmopolitan an excellent fit for writing small CLI programs
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2020-06-21 07:10:11 +00:00
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that do things like matrix multiplication relu stdio as a subprocess or
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perhaps a web server having the minimum surface area that you require.
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2020-06-15 14:18:57 +00:00
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2020-06-16 02:01:28 +00:00
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## Getting Started
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Just clone the repository and put your own folder in it. Please choose a
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name that's based on a .com or .org domain name registration you control
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2020-06-21 07:10:11 +00:00
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which is scout's honor but could change to verify TXT records in future.
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2020-06-16 02:01:28 +00:00
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We provide a script that makes it easy to start a new package:
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examples/package/new.sh com/github/user/project
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emacs com/github/user/project/program.c
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2020-06-16 02:59:12 +00:00
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make o//com/github/user/project/program.com
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o//com/github/user/project/program.com
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2020-06-16 02:01:28 +00:00
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2020-06-21 07:10:11 +00:00
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Please note GNU Make is awesome. Little known fact: make is a functional
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2020-06-16 02:59:12 +00:00
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programming language. We improved upon it too! In [tool/build/package.c]
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which performs strict dependency checking, to correct Google's published
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mistakes c. 2006 which was when they switched from using a GNU Make repo
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in favor of an inhouse derivative called Blaze which does graph checking
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thereby allowing the repository to grow gracefully with any requirements
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2020-06-16 13:38:43 +00:00
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## Performance
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2020-06-16 13:38:43 +00:00
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Your C Standard Library is designed to be competitive with glibc, which
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has historically been the best. Routines like [libc/nexgen32e/memcpy.S]
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are usually accompanied by microbenchmarks to demonstrate their merits.
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2020-06-16 13:38:43 +00:00
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Where GNU, LLVM and MSVC got lazy is intrinsics. Cosmopolitan does that
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better. Your [ansitrinsics library] makes a 10x speedup so much easier,
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using Intel's new instructions, in such a way that only allows Intel to
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leverage their patents which have knowable expiry; rather than compiler
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intrinsics API copyrights, which might never expire like Walt Disney IP
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See [dsp/scale/cdecimate2xuint8x8.c] and [tool/viz/lib/ycbcr2rgb3.c] as
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an example, of how 4k video convolutions needed to print cat videos can
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be done from a single core without threads on a cheap computer, without
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sacrificing backwards compatibility due to excellent microarchitectural
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dispatch like [libc/nexgen32e/kcpuids.S], [libc/nexgen32e/x86feature.h]
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2020-06-16 13:38:43 +00:00
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Furthermore Cosmopolitan provides you with Intel's official instruction
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length decoder Xed ravaged down to 3kb in size using Tim Patterson code
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stunts. So you can absolutely code high-performance lightweight fabless
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x86 microprocessors using any hobbyist board without royalties, because
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Xed tells us which parts of the encoding space now belong to the people.
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Please see [third_party/xed/x86ild.greg.c] to learn more.
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2020-06-16 02:01:28 +00:00
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## Integrated Development Environment
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2020-06-21 07:10:11 +00:00
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Your Cosmopolitan IDE is based on whichever editor you love most. Emacs
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configs are provided, showing how `make tags` can be used to automate
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certain toil, such as adding include lines by typing `C-c C-h` over a
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symbol. We recommend trying the following:
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2020-06-16 02:01:28 +00:00
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sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)"
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sudo apt install gdb ragel ctags clang-format-10
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2020-06-16 02:01:28 +00:00
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git clone git@github.com:jart/cosmopolitan.git && cd cosmopolitan
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tool/scripts/install-emacs.sh # Emacs 26.1 has a bug
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tool/scripts/configure-emacs.sh # adds load statements
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make tags # index all the symbol
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emacs # for power and glory!
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2020-06-16 13:38:43 +00:00
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See [tool/emacs/cosmo-stuff.el] for further details. Further note that
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2020-06-18 23:14:47 +00:00
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this codebase might seem to have unusual numbers of include statements
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2020-06-16 13:38:43 +00:00
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quoted and vendored code, but that's actually why the tools work since
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it gives them easy perfect knowledge of what exists, thus performance.
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2020-06-16 02:01:28 +00:00
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## Specimen
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Cosmopolitan encodes binaries respecting the intersection of reasonable
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platform requirements. RADIX-256 disassembly of [examples/life.c] below
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should explain how easy it is to do pe+sh+elf+macho+bootloader overlays
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enabling gnu ld.bfd to produce a simple portable 12kb .com program file
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2020-06-16 02:01:28 +00:00
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Please send feedback and concerns to <jtunney@gmail.com> since we would
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2020-06-21 07:10:11 +00:00
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love to do an even better job. Please also let us know if some goofball
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is distributing without bundling their source code, so we can reach out
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and ask if they would like to purchase a commercial license.
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2020-06-16 02:01:28 +00:00
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make -j10 -O MODE=tiny CPPFLAGS=-DIM_FEELING_NAUGHTY
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o/tiny/tool/viz/bing.com <o/tiny/examples/life.com |
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o/tiny/tool/viz/fold.com
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└☺└☺└☺└☻α☻α☻α☻α☻α♥≡♥≡♥≡♥≡♥≡♦°♦°♦°♦°♦°♣ⁿ♣ⁿ♣ⁿ♣ⁿ♣ⁿ♣ⁿÉÉ☼▼D ⁇♣ExitPr
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ile ░← ░→ ► ☼▼@ °→ ♠←
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← 2← L← ╲← x← É☼▼Ç É╬ ☺&τ☺╬
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☺☺⌂╬ üÇÇ►f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼
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ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä
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f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.
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☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä
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f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä
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f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼
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ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä
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f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.
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☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä
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f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä
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f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼
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ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä
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f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.
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☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä
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f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä
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f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä f.☼▼ä ☼▼@
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@ °→ ♠← ← 2← L← ╲←
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x←
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2020-06-16 02:59:12 +00:00
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See also `build/objdump -xd o/tiny/examples/life.com.dbg | less` to view
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assembly and the linker glue in [ape/ape.lds] that makes it all possible
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2020-06-16 13:38:43 +00:00
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## Licensing
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Cosmopolitan is Free Software licensed under the GPLv2. The build config
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**will embed all linked sources inside your binaries** so the compliance
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is easy while facilitating trust and transparency similar to JavaScript.
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You can audit your source filesystem using ZIP GUIs e.g. Win10, InfoZip.
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2020-06-21 07:10:11 +00:00
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That works easiest by changing the filename extension from .com to .zip.
|
2020-06-16 13:38:43 +00:00
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### Commercial Support
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If you want to be able to distribute binaries in binary only form, then
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please send $1,000 to Justine Tunney <jtunney@gmail.com> on PayPal, for
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a license lasting 1 year. This README will be updated in the event that
|
2020-06-16 23:57:37 +00:00
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this needs to change. Please reach out if there's anything you need.
|
2020-06-16 13:38:43 +00:00
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## Contributing
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We'd love to accept your patches! Before we can take them, we have to
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jump through one legal hurdle. Please write an email to Justine Tunney
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<jtunney@gmail.com> saying you agree to give her copyright ownership to
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any changes you contribute to Cosmopolitan. We need to do that in order
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to dual license Cosmopolitan. Otherwise we can't create incentives that
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encourage corporations to share their source code with the community.
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## Volunteering
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We also need volunteers who can help us further stabilize System Five's
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application binary interface. See our ABI scripts [libc/sysv/consts.sh]
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and [libc/sysv/syscalls.sh]. Magic numbers are usually stabler than API
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interfaces cf. NPM but we should ideally have fewer of them, similar to
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how SI has sought to have fewer defining physics constants.
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|
2020-06-16 23:57:37 +00:00
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## About
|
2020-06-16 02:59:12 +00:00
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2020-06-16 23:57:37 +00:00
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Cosmopolitan mostly stands on the shoulders of giants and has few novel
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ideas, aside from taking care of low-level build system toil, so coding
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can become more beautifully pleasant.
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Cosmopolitan is maintained by Justine Tunney, who previously worked on
|
2020-06-21 07:10:11 +00:00
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projects like [TensorFlow], [Operation Rosehub], [Nomulus], and Google's
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tape backups SRE team. She's also helped activists by operating the
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[Occupy Wall Street] website. Justine Tunney currently isn't on the
|
2020-06-16 23:57:37 +00:00
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payroll of any company. She's been focusing on Cosmopolitan because she
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wants to give back to Free Software which helped her be successful. See
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her [LinkedIn] profile for further details on her professional history.
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[LinkedIn]: https://www.linkedin.com/in/jtunney
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[Nomulus]: https://github.com/google/nomulus
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[Occupy Wall Street]: https://www.newyorker.com/magazine/2011/11/28/pre-occupied
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[Operation Rosehub]: https://opensource.googleblog.com/2017/03/operation-rosehub.html
|
2020-06-21 07:10:11 +00:00
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[TensorFlow]: https://github.com/tensorflow/tensorflow
|
2020-06-16 13:38:43 +00:00
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[ansitrinsics library]: libc/intrin
|
2020-06-16 02:59:12 +00:00
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[ape/ape.lds]: ape/ape.lds
|
2020-06-16 13:38:43 +00:00
|
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[dsp/scale/cdecimate2xuint8x8.c]: dsp/scale/cdecimate2xuint8x8.c
|
2020-06-16 02:59:12 +00:00
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[examples/life.c]: examples/life.c
|
2020-06-16 13:38:43 +00:00
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[libc/nexgen32e/kcpuids.S]: libc/nexgen32e/kcpuids.S
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[libc/nexgen32e/memcpy.S]: libc/nexgen32e/memcpy.S
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[libc/nexgen32e/x86feature.h]: libc/nexgen32e/x86feature.h
|
2020-06-16 02:59:12 +00:00
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[libc/sysv/consts.sh]: libc/sysv/consts.sh
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[libc/sysv/syscalls.sh]: libc/sysv/syscalls.sh
|
2020-06-21 07:10:11 +00:00
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[third_party/xed/x86ild.greg.c]: third_party/xed/x86ild.greg.c
|
2020-06-16 02:59:12 +00:00
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[tool/build/package.c]: tool/build/package.c
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[tool/emacs/cosmo-stuff.el]: tool/emacs/cosmo-stuff.el
|
2020-06-16 13:38:43 +00:00
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[tool/viz/lib/ycbcr2rgb3.c]: tool/viz/lib/ycbcr2rgb3.c
|
