This patch fixes two issues with the default Mac OS X configuration of X11.
1) header symlinks messes with automatic detection
The default configure comes back with:
checking for X... libraries /usr/X11R6/lib, headers
That is: it doesn't think that any path is needed for accessing X11 due to the Apple symlink: /usr/include/X11 -> ../X11R6/include/X11
It should of course find it in /usr/X11R6/include
2) it doesn't find Xft without using pkg-config
Mac OS X does ship with Xft by default (with the X11.app installation), but it doesn't have pkg-config installed.
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Hmm, forgot half of the patch that checked for pkg-config before using it.
Updating patch with the second half, to test $HAVE_PKG_CONFIG first...
File Added: fox-1.6.25-macx11.patch
fox-1.6.25-macx11.patch