Cosmopolitan

Cosmopolitan builds run natively on most platforms without dependencies, because it implements the subset of the C library, compiler runtimes and system call interfaces that've achieved near universal consensus amongst all major platforms, e.g. Linux/BSD/XNU/NT. Containerization is achieved by having binaries also be ZIP files. Modern static stock GNU toolchains are provided in a hermetic mono repo for maximum historical determinism.

Here's how you can get started by printing cat videos inside a terminal:

make -j8 o//tool/viz/printvideo.com
wget https://justine.storage.googleapis.com/cats.mpg
o//tool/viz/printvideo.com cats.mpg
unzip -vl o//tool/viz/printvideo.com

Cosmopolitan provides a native development environment similar to those currently being offered by RedHat, Google, Apple, Microsoft, etc. We're different in two ways: (1) we're not a platform therefore we don't have any commercial interest in making our tooling work better on one rather than another; and (2) we're only focused on catering towards interfaces all platforms agree upon. Goal is software that stands the test of time without the costs and restrictions cross-platform distribution entails. That makes Cosmopolitan an excellent fit for writing small CLI programs that do things like heavyweight numerical computations as a subprocess.

Getting Started

Just clone the repository and put your own folder in it. Please choose a name that's based on a .com or .org domain name registration you control which is scout's honor but might change to require TXT records in future

We provide a script that makes it easy to start a new package:

examples/package/new.sh com/github/user/project
emacs com/github/user/project/program.c
make o//com/github/user/project/program.com
o//com/github/user/project/program.com

Please note GNU make is awesome. Little known fact: make is a functional programming language. We improved upon it too! In tool/build/package.c which performs strict dependency checking, to correct Google's published mistakes c. 2006 which was when they switched from using a GNU Make repo in favor of an inhouse derivative called Blaze which does strictness too thereby allowing the repository to grow gracefully with any requirements

Licensing

Cosmopolitan is Free Software licensed under the GPLv2. The build config will embed all linked sources inside your binaries so the compliance is easy while facilitating trust and transparency similar to JavaScript. You can audit your source filesystem using ZIP GUIs e.g. WIN10, InfoZip.

Commercial Support

If you want to be able to distribute binaries in binary form only, then please send $1,000 to jtunney@gmail.com on PayPal for a license lasting 1 year. Please be sure to provide your contact information, and details on whether or not the license is for an individual or a corporation. If you want your license to last 5 years, send $10,000 to the author above who is Justine Tunney jtunney@gmail.com. This README will be updated, if pricing and other details should change. Reach out for more details.

Integrated Development Environment

Your Cosmopolitan IDE is based on Emacs. When used alongside make tags it can automate certain toilsome problems such as adding an include line by typing C-c C-h with the cursor over a symbol. Please install these:

sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)"
sudo apt install gdb ragel ctags clang-format-10  # <-recommended
git clone git@github.com:jart/cosmopolitan.git && cd cosmopolitan
tool/scripts/install-emacs.sh    # recommended over apt
tool/scripts/configure-emacs.sh  # adds load statements
make tags                        # index all the symbol
emacs                            # for power and glory!

See tool/emacs/cosmo-stuff.el for further details. Noting what enables the to work so well and fast is our break with tradition by using rooted quoted include statements while vendoring the transitive closure of deps

Contributing

We'd love to accept your patches! Before we can take them, we have to jump through one legal hurdle. Please write an email to Justine Tunney jtunney@gmail.com saying you agree to give her copyright ownership to any changes you contribute to Cosmopolitan. We need to do that in order to dual license Cosmopolitan. Otherwise we can't tax corporations that don't want to share their code with the community.

Volunteering

We also need volunteers who can help us further stabilize System Five's application binary interface. See our ABI scripts libc/sysv/consts.sh and libc/sysv/syscalls.sh. Magic numbers are usually stabler than API interfaces cf. NPM but we should ideally have fewer of them, similar to how SI has sought to have fewer defining physics constants.

Specimen

Cosmopolitan encodes binaries respecting the intersection of reasonable platform requirements. That's easy to accomplish w/ binary isomorphisms evidenced below by the RADIX256 disassembly below for examples/life.c which ld is configured to overlay pe/elf/macho/bourne/bootloader in 12k

Please send feedback and concerns to jtunney@gmail.com since we would love to do an even better job. Please also report GPL abuse the address above as well. We believe this binary structure is novel, and therefore easily recognizable. So if some goofball isn't bundling the source code please let us know so we can reach out and ask they consider a license.

make -j10 -O MODE=tiny CPPFLAGS=-DIM_FEELING_NAUGHTY
o/tiny/tool/viz/bing.com <o/tiny/examples/life.com | 
o/tiny/tool/viz/fold.com

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≡λλs☺├≈╪ë♣║↓  jλX∙├ï♣⌂▬  δφH┴Φ0δ•H┴Φ ☼╖└f=λ☼sσIë╩☼♣r╙├Aë├┴Φ►%λ☼ 
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├U1└HëσWVSQRë┬ë├λ└☼╖¶Wë╤füß ⁿfü∙ ▄tΦfü∙ ╪t♦ë▬δ,☼╖♦Gë┴füß ⁿfü∙ ▄t
♂╟♠²λ  â╚λδ☼┴Γ◙ìä☻ $áⁿë♠ìC☻ZY[^_]├f☼▼D  Éâ♪▄↑  ♦÷♣맠 ♦t♪@☼╢╧λ§ì
♣  δ°╠ï♣ö§  ☼♣·☼☺∟%Ü→@ ⌠δ²        f☼▼D  Énodll◙ KernelBase.dll ☺
└☺└☺└☺└☻α☻α☻α☻α☻α♥≡♥≡♥≡♥≡♥≡♦°♦°♦°♦°♦°♣ⁿ♣ⁿ♣ⁿ♣ⁿ♣ⁿ♣ⁿÉÉ☼▼D  ⁇♣ExitPr
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ntStringsW  ╘☻GetStdHandle  ╫♣SetDefaultDllDirectories  ▼•WriteF
ile ░←          ░→  ►                       ☼▼@ °→      ♠←      
 ←      2←      L←      ╲←      x←              É☼▼Ç    É╬ ☺&τ☺╬
 ☺☺⌂╬ üÇÇ►f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼
ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä   
  f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.
☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä 
    f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     
f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼
ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä   
  f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.
☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä 
    f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     
f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼
ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä   
  f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.
☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä 
    f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     
f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     f.☼▼ä     ☼▼@ 
  @             °→      ♠←       ←      2←      L←      ╲←      
x←                                                              

See also build/objdump -xd o/tiny/examples/life.com.dbg | less to view assembly and the linker glue in ape/ape.lds that makes it all possible