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Alexandre Julliard edited this page 2024-09-17 14:03:05 +02:00
Table of Contents

The GNU Compiler Collection

The GNU compiler collection is one of the flagship projects of the free-software world. It regularly integrates cutting-edge techniques and optimizations from research, plus it compiles 7 languages for over 45 host architectures. Due to its prevalence on unix, gcc is also the standard tool for compiling wine.

Important Features

The build process for Wine depends on a couple newer features in gcc. You can read a little about them and related bugs here:

ms_hook_prologue: The steam overlay requires ms_hook_prologue support, which is only available in gcc 4.5 or greater. It appears to have broken in gcc 4.6, see bug #22053 for more information.

builtin_ms_va_list: Required to build the 64-bit version of Wine; it's been supported since gcc 4.4.

Copy Protection

Sometimes copy protection systems, like SafeDisc2, wouldn't work with Wine built by older versions of gcc.

GCC versions and Wine

Working

  • 4.5: This should work with both copy protection and ms_hook_prologue
  • 4.7: Some distros packaged Wine built with this and no known bugs appeared
  • 4.8: This should work (the one noticeable bug, #33307, was fixed)
  • 4.9: This should work with wine-1.7.20 and later (see bug #36139)
  • 5.3: Bug #38653 was fixed in this version; no new problems have yet appeared.

Known to Have Issues

  • 4.4 and earlier: regardless of how they worked with copy protection, ms_hook_prologue support was broken
  • 4.6: see bugs #22053 and #28753
  • 5.0 - 5.2: Broken for 64 bit Wine when compiled with -O2 optimization (see bug #38653)

See Also