Gecko

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Wine implements its own version of Internet Explorer. The implementation is based on a custom version of Mozilla's Gecko Layout Engine.

Installing

When your application tries to display a site, Wine loads and uses its custom implementation of Gecko. Wine tries to find Gecko installation in following order:

  • If Wine Gecko is already installed in the prefix, that installation will be used.
  • Wine 5.0-rc1 and newer will try to load Gecko from UNIX-style installation without installing it into the prefix. It will look for wine-gecko-$(VERSION)-$(ARC) subdirectory of standard local lookup (see bellow).
  • Wine will try to find Wine Gecko MSI installer on local machine (see bellow). If it can find it, it will install it into the prefix and use it.
  • If the file can't be found on your computer, Wine will download it for you. The downloaded .msi is saved to ~/.cache/wine. If the download fails, you can download the appropriate version (see table below) yourself from http://dl.winehq.org/wine/wine-gecko/.


Whenever Wine tries to find local installation, it will look in following directories:

  • In most cases, the file(s) should be placed in /usr/share/wine/gecko.
  • If you installed Wine in some $prefix rather than /usr, $prefix/share/wine/gecko/ before /usr/share/wine/gecko. (e.g. if you installed it from source, then place the files in /usr/local/share/wine/gecko).
  • If you're running Wine from build tree, Wine will try to find files in $build_dir/../gecko directory.
  • Local cache, usually ~/.cache/wine.


For 64 bit (WoW64) Wine, both the x86 and x86_64 packages are required.

Wine will currently not be able to use such Gecko installation if it can't map it to DOS drive (for example if z: drive is removed).

Wine Gecko (32 bit) Gecko (64 bit)
wine-0.9.47 - wine-1.1.11 wine_gecko-0.1.0.cab
wine-1.1.12 - wine-1.1.14 wine_gecko-0.9.0.cab
wine-1.1.15 - wine-1.1.26 wine_gecko-0.9.1.cab
wine-1.1.27 - wine-1.3.1 wine_gecko-1.0.0-x86.cab
wine-1.3.2 - wine-1.3.15 wine_gecko-1.1.0-x86.cab wine_gecko-1.1.0-x86_64.cab
wine-1.3.16 - wine-1.3.26 wine_gecko-1.2.0-x86.msi wine_gecko-1.2.0-x86_64.msi
wine-1.3.27 - wine-1.3.32 wine_gecko-1.3-x86.msi wine_gecko-1.3-x86_64.msi
wine-1.3.33 - wine-1.4 wine_gecko-1.4-x86.msi wine_gecko-1.4-x86_64.msi
wine-1.5.0 - wine-1.5.6 wine_gecko-1.5-x86.msi wine_gecko-1.5-x86_64.msi
wine-1.5.7 - wine-1.5.9 wine_gecko-1.6-x86.msi wine_gecko-1.6-x86_64.msi
wine-1.5.10 - wine-1.5.14 wine_gecko-1.7-x86.msi wine_gecko-1.7-x86_64.msi
wine-1.5.15 - wine-1.5.21 wine_gecko-1.8-x86.msi wine_gecko-1.8-x86_64.msi
wine-1.5.22 - wine-1.5.30 wine_gecko-1.9-x86.msi wine_gecko-1.9-x86_64.msi
wine-1.5.31 - wine-1.7.2 wine_gecko-2.21-x86.msi wine_gecko-2.21-x86_64.msi
wine-1.7.3 - wine-1.7.30 wine_gecko-2.24-x86.msi wine_gecko-2.24-x86_64.msi
wine-1.7.31 - wine-1.7.37 wine_gecko-2.34-x86.msi wine_gecko-2.34-x86_64.msi
wine-1.7.38 - wine-1.7.49 wine_gecko-2.36-x86.msi wine_gecko-2.36-x86_64.msi
wine-1.7.50 - wine-1.9.2 wine_gecko-2.40-x86.msi wine_gecko-2.40-x86_64.msi
wine-1.9.3 - wine-1.9.12 wine_gecko-2.44-x86.msi wine_gecko-2.44-x86_64.msi
wine-1.9.13 - wine-3.21 wine_gecko-2.47-x86.msi wine_gecko-2.47-x86_64.msi
wine-5.0-rc1 - current wine-gecko-2.47.1-x86.msi wine-gecko-2.47.1-x86.tar.bz2 wine-gecko-2.47.1-x86_64.msi wine-gecko-2.47.1-x86_64.tar.bz2

Debug info

If Gecko is crashing on you, you can download a debug build from http://dl.winehq.org/wine/wine-gecko/ to get more verbose logs. Download the -unstripped.tar.bz2 file for the version you are using (on a 64 bit system, download both the x86 and x86_64 tarballs), unpack the files, and replace the files in $WINEPREFIX/drive_c/windows/system32/gecko/version and (on 64 bit) $WINEPREFIX/drive_c/windows/sysWoW64/gecko/version with the extracted files.

Building Wine Gecko

The following describe how the Wine Gecko package is built.

NOTE: If you're unsure if you want to build it yourself, the answer is no. There is no reason to build it yourself unless you're going to work on Mozilla code. If you need Gecko to run an app in Wine, follow the instructions above. Wine Gecko source is hosted in Git on Sourceforge.

Wine Gecko is maintained by Jacek Caban. If you need help, feel free to contact him.

Mingw-w64

It is encouraged to use mingw-w64 for cross-compiling. A fairly recent version of mingw-w64 should be enough.

Building

The exact instruction about building the package are hosted in wine/README in Wine Gecko source directory.

Binary Packages

Some Distro are maintaining mingw-w64 in their repo, like Fedora. You can install the dependencies with commands like

# yum-builddep mingw32-wine-gecko

Troubleshooting

'pthread_t' does not name a type

Try to remove media/libstagefright/ports/win32/include/pthread.h. This should be fixed in version 2.47.1.

mingw-w64 too old

For example:

The mingw-w64 package on your distro may be too old to include this patch.(for example, it will take some time to backport these patch to stable branches like v4.x) If you faced this trouble, please consider compile mingw-w64 by yourself(as README said)

See also