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<think>
Okay, I'm trying to classify this bug report. The user provided a message about QEMU failing to build on Ubuntu 10.04 LTS after some recent changes in pixman. The error is related to 'PIXMAN_TYPE_RGBA' being undeclared.
First, let me understand the components here. QEMU is an emulator and virtualization tool. The issue occurs during the build process, specifically when compiling 'ui/qemu-pixman.o'. The error message points to a problem with the pixman library, which is used for 2D graphics acceleration in QEMU.
The function 'qemu_pixelformat_from_pixman' is trying to use 'PIXMAN_TYPE_RGBA', but it's not declared. That suggests that either the header file where this symbol is defined isn't included correctly or there's a version mismatch with pixman.
Since the problem started after a commit (0dfa7e3...), I suspect that QEMU might have been updated to depend on a newer version of pixman, which might have changed or removed certain constants. Alternatively, perhaps the way QEMU includes headers has changed and now expects different declarations.
Looking at the possible categories provided: 'mistranslation', 'assembly', and several others like 'device', 'graphic', etc. The issue here is about a missing declaration in code related to graphics handling. Therefore, it falls under the 'graphics' category because it's directly affecting QEMU's graphical components.
I don't think it's a mistranslation because that usually refers to incorrect mapping from source to target during compilation, which doesn't seem to be the case here. It's more about a missing symbol in the code, likely due to a change in how pixman is handled or dependencies not being met correctly.
So, after considering all this, the category should be 'graphic'.
</think>
graphic
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