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Version 0.9.27:

Licensing:

- TinyCC partly relicensed to MIT license

User interface:

- define __STDC_HOSTED__ (Michael Matz, Urs Janssen)
- added support for CPATH, C_INCLUDE_PATH and LD_LIBRARY_PATH (Andrew Aladjev
and Urs Janssen)
- added option -norunsrc to control argv[0] with tcc -run (James Lyon)
- improve --with-libgcc configure help (grischka)
- improve error message when memory is full (grischka)
- improve wording about compiler switches in documentation (Thomas Preud'homme)
- use GNU triplet prefix for cross compiler names (Thomas Preud'homme)
- ignore unknown linker optimization and as-needed option (Austin English)

Features:

- added ABI tests with native compiler using libtcc (James Lyon)
- added CMake build system with support for cross-compilation (James Lyon)
- improved variable length array support (James Lyon)
- add the possibility to use noname functions by ordinal (YX Hao)
- add a install-strip target to install tcc (Thomas Preud'homme)
- add runtime selection of float ABI on ARM (Thomas Preud'homme)
- add shared lib support on x86-64 (Michael Matz)

Platforms:
- support Debian GNU/kfreeBSD 64bit userspace (Thomas Preud'homme)
- fix GNU/Hurd interpreter path (Thomas Preud'homme)
- fix configure script for FreeBSD host (Thomas Preud'homme)
- make tcc -run work reliably on ARM by flushing caches (Thomas Preud'homme)
- many x86-64 ABI fixes incl. XMM register passing (James Lyon)
- improve compatibility with mingw's long double (James Lyon)
- avoid .stabstr section name to be truncated on win32 (Roy)
- add support for load/store of _Bool value (Thomas Preud'homme)
- detect instruction with incorrect operands on x86-64 (Thomas Preud'homme)
- improved relocations on ARM (Thomas Preud'homme)
- add va_* macro implementation for ARM (Thomas Preud'homme)
- define __ARM_EABI__, __ARMEL__ and __ARM_PCS_VFP (Thomas Preud'homme)
- provide a runtime library for ARM (Thomas Preud'homme)
- vastly improved support for ARM hard float calling convention
(Thomas Preud'homme, Daniel Glöckner)
- tcc can uses libtcc1 on ARM (Thomas Preud'homme)
- use __fixdfdi for all float to integer conversion (grischka)
- simplify startup code for unix platforms (grischka)
- improve ELF generated on ARM (Thomas Preud'homme)
- add support for thumb to ARM relocation (Thomas Preud'homme)
- fix globbing to match MSVC on Windows (Thomas Preud'homme)
- deprecate FPA and OABI support for ARM (Thomas Preud'homme)
- warn about softfloat not being supported on ARM (Thomas Preud'homme)

Bug fixes:
- many code clean up (Urs Janssen, grischka)
- fixes of other's patches (grischka, Ramsay Jones, Michael Matz)
- fix documentation about __TINYC__ (Urs Janssen)
- improve build of documentation (Urs Janssen)
- improve build instructions (Jov)
- switch from texi2html to makeinfo --html to build tcc-doc.html (James Lyon)
- improve out of tree build (James Lyon)
- improved passing and returning of struct (James Lyon)
- fix CMake build on i386 and x86-64 (James Lyon)
- fix i386 calling convention issue (James Lyon)
- fix error in Windows build of tests (James Lyon)
- fix x86-64 long double passing (James Lyon)
- fix crash with undefined struct (grischka)
- normalize slashes on win32 to always use backslashes (grischka)
- use runtime function for float to int conversion on i386 (grischka)
- improved documentation for include and lib lookup on win32 (grischka)
- detect redefinition of function (Thomas Preud'homme)
- detect the use of array of functions (Thomas Preud'homme)
- detect use of enumerator with wrong enumeration (Thomas Preud'homme)
- detect redefinition of enumerator or enumeration (Thomas Preud'homme)
- set the user-defined library search paths first (Vittorio Giovara)
- detect usage of incomplete types inside struct/union (Amine Najahi)
- various macro bug fixes (Joseph Poirier)
- avoid wrong trigger of assert on x86-64 platform (Thomas Preud'homme)
- fix NaN comparison (Thomas Preud'homme)
- use libtcc for static linking with runtime library (Thomas Preud'homme)
- fix negation of 0.0 and -0.0 values (Thomas Preud'homme)
- fix use of long long as if condition (Thomas Preud'homme)
- disable bound check if libgcc is used (Thomas Preud'homme)
- error out when casting to void (grischka)
- remove circular dependency in Makefile (grischka)
- stop preventing gcc to do strict aliasing (grischka)