[cairo] Build cairo-1.12.6 failed

[Ryan Schmidt]

On Nov 27, 2012, at 09:04, gps locator wrote:

> Build error log:
> 
>   CC     cairo-xlib-display.lo
> In file included from cairo-xlib-private.h:41,
>                  from cairo-xlib-display.c:40:
> cairo-xlib-xrender-private.h:102: error: redefinition of 'struct _XLinearGradient'
> cairo-xlib-xrender-private.h:105: error: conflicting types for 'XLinearGradient'
> /usr/include/X11/extensions/Xrender.h:189: note: previous declaration of 'XLinearGradient' was here
> cairo-xlib-xrender-private.h:111: error: redefinition of 'struct _XCircle'
> cairo-xlib-xrender-private.h:115: error: conflicting types for 'XCircle'
> /usr/include/X11/extensions/Xrender.h:150: note: previous declaration of 'XCircle' was here
> cairo-xlib-xrender-private.h:116: error: redefinition of 'struct _XRadialGradient'
> cairo-xlib-xrender-private.h:119: error: conflicting types for 'XRadialGradient'
> /usr/include/X11/extensions/Xrender.h:194: note: previous declaration of 'XRadialGradient' was here
> cairo-xlib-xrender-private.h:125: error: redefinition of 'struct _XConicalGradient'
> cairo-xlib-xrender-private.h:128: error: conflicting types for 'XConicalGradient'
> /usr/include/X11/extensions/Xrender.h:199: note: previous declaration of 'XConicalGradient' was here
> make[3]: *** [cairo-xlib-display.lo] Error 1
> 
> Here is a similar issue: http://lists.cairographics.org/archives/cairo/2011-March/021822.html
> 
> I wondered that no one met this issue now and what's the best solution for that? 

Users encountered this problem at MacPorts too:

https://trac.macports.org/ticket/36926

Seems cairo now requires xorg-libXext; installing that fixed the problem for us.