[cairo] AC_TRY_RUN vs crosscompile

Enrico Weigelt, metux IT consult enrico.weigelt at gr13.net
Wed Apr 12 16:03:46 UTC 2017

Hi folks,

just seen that we've got an AC_TRY_RUN call, which - obviously - can't
work when crosscompiling. (it just wildly guesses in that case).

It's in the CAIRO_ENABLE_SURFACE_BACKEND(xlib...) block.

What's the actual goal of that ?

It also checks for sysv-ipc headers ... is there any chance that some
system could have xlib and xext, but no sysv-ipc headers at all ?


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