Paze AI cafa815116 feat: 运行模式/优化/C17/pcmake/多线程 五项功能
1. -run 脚本模式完善
   - shebang 脚本 (#!/usr/bin/env pcc -run) 支持
   - -rstdin 自定义输入、argv 参数传递
   - win32/pcc-run.cmd 便捷启动器

2. -O2 优化等级
   - -O0/-O1/-O2/-O3/-Os 全等级验证
   - __OPTIMIZE__ 宏正确设置,常量折叠生效

3. C17 全特性
   - 默认标准改为 C11 (__STDC_VERSION__=201112L)
   - 新增 -std=c17/c18/c99/c89 支持
   - _Generic/_Atomic/_Alignas/匿名结构/TLS 全通过

4. pcmake 构建工具 (tools/)
   - 纯 C 编写,用 pcc 自身编译
   - pcmake.conf 配置: sources/include/libs/output/flags
   - CreateProcess 正确处理带空格路径
   - pcmake.bat 一键构建 + clean
   - 示例: examples/demo 多文件项目

5. 多线程库封装
   - win32/include/pthread.h: POSIX 线程 Windows 实现
     (CreateThread 封装, 事件驱动条件变量, 惰性初始化互斥锁)
   - win32/include/threads.h: C11 标准线程 <threads.h>
   - 4线程并发/互斥/条件变量/生产者消费者 测试通过
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2026-08-16 14:15:26 +08:00

Tiny C Compiler - C Scripting Everywhere - The Smallest ANSI C compiler
-----------------------------------------------------------------------

Features:
--------

- SMALL! You can compile and execute C code everywhere, for example on
  rescue disks.

- FAST! tcc generates machine code for i386, x86_64, arm, aarch64 or
  riscv64.  Compiles and links about 10 times faster than 'gcc -O0'.

- UNLIMITED! Any C dynamic library can be used directly. TCC is
  heading toward full ISOC99 compliance. TCC can of course compile
  itself.

- SAFE! tcc includes an optional memory and bound checker. Bound
  checked code can be mixed freely with standard code.

- Compile and execute C source directly. No linking or assembly
  necessary. Full C preprocessor included.

- C script supported : just add '#!/usr/local/bin/tcc -run' at the first
  line of your C source, and execute it directly from the command
  line.

Documentation:
-------------

1) Installation on Linux, BSD variants or macOS hosts:

   ./configure
   make
   make test
   make install

   Notes: On BSD hosts, gmake should be used instead of make.
   For Windows read tcc-win32.txt.

makeinfo must be installed to compile the doc.  By default, tcc is
installed in /usr/local/bin.  ./configure --help  shows configuration
options.


2) Introduction

We assume here that you know ANSI C. Look at the example ex1.c to know
what the programs look like.

The include file <tcclib.h> can be used if you want a small basic libc
include support (especially useful for floppy disks). Of course, you
can also use standard headers, although they are slower to compile.

You can begin your C script with '#!/usr/local/bin/tcc -run' on the first
line and set its execute bits (chmod a+x your_script). Then, you can
launch the C code as a shell or perl script :-) The command line
arguments are put in 'argc' and 'argv' of the main functions, as in
ANSI C.

3) Examples

ex1.c: simplest example (hello world). Can also be launched directly
as a script: './ex1.c'.

ex2.c: more complicated example: find a number with the four
operations given a list of numbers (benchmark).

ex3.c: compute fibonacci numbers (benchmark).

ex4.c: more complicated: X11 program. Very complicated test in fact
because standard headers are being used ! As for ex1.c, can also be launched
directly as a script: './ex4.c'.

ex5.c: 'hello world' with standard glibc headers.

tcc.c: TCC can of course compile itself. Used to check the code
generator.

tcctest.c: auto test for TCC which tests many subtle possible bugs. Used
when doing 'make test'.

4) Full Documentation

Please read tcc-doc.html to have all the features of TCC.  Additional
information for the Windows port is in tcc-win32.txt.

License:
-------

TCC is distributed under the GNU Lesser General Public License (see
COPYING file).

Fabrice Bellard.
S
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