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Ziyao 0071b35652
Update README
5 months ago
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README

This is a modified version of musl libc 1.12 which is able to be
compiled with TinyCC on x86_64 machines.

Although TinyCC is quite complete as a tiny C compiler,some features are
still missing,including:
- _Complex types
All related to _Complex are removed.
- Full GNU-style inline assembly support.
The original versions of __syscall4(),__syscall5() and __syscall6()
don't work.They are replaced by assembly implemention in
/src/internal/x86_64/syscall.S
- math library has been use the pure C implementation
Because some missing floating-point features of TinyCC.

Some features had been removed momently but now they are usable,including:
- fenv library
- math library(using C implementation now)
- dynamic link support (NOT well tested)

To compile,simply run
./configure --target=x86_64 CC='tcc' AR='tcc -ar' RANLIB='echo' \
LIBCC='/usr/local/lib/tcc/libtcc1.a'
make # I finish my compiling in 10s with
two threads on i7-720QM @ 1.60GHz
TinyCC's runtime environment library libtcc1.a needs specifying manually
now.The path of argument LIBCC may need adjusting for your machine.

All modified and addtional files are under MIT License as well.
Some changes are made to my TinyCC (This means I may have a different
version from yours,so if you fail to compile,try to get the lastest
version from TinyCC's Git Repository.The building process is OK on
commit 2d210fe.The later version should also work
$ tcc -v tcc # on my machine
version 0.9.27 mob:2d210fe (x86_64 Linux)

Some helper scripts are in /tests/Compile.sh (for static link) and
/tests/Compile_Dynamic.sh (for dynamic link).As is mentioned,modifying the
path to libtcc1.a may be needed.

A simple single-filed editor pico is included (/tests/pico.c),its LICENSE is
DIFFERENT from original musl and musl-tcc.So be careful when you use it.
This generates its exectuable file:
$ ./Compile.sh pico.c pico
or
$ ./Compile_Dynamic.sh pico.c pico
Please run these commands in /tests/