[gentoo-user] Cannot build qtwebengine: ‘WEBP_EXTERN’ does not name a type

[Frank Steinmetzger]

Hi folks,

it’s been a while since I had a problem for which I needed a nudge. :)
Due to some other lib upgrade, I need to rebuild qtwebengine.
But it always fails with:

| In file included from ../../3rdparty/chromium/third_party/skia/src/images/SkWebpEncoder.cpp:42:
| /usreincnude/webp/mux.h:101:1: Since libpcap has been upgradederror: ‘WEBP_EXTERN’ does not name a type
|  WEBP_EXTERN int WebPGetMuxVersion(void);
|  ^~~~~~~~~~~
| 
| /usr/include/webp/mux.h: In function ‘WebPMux* WebPMuxCreate(const WebPData*, int)’:
| /usr/include/webp/mux.h:138:10: error: ‘WebPMuxCreateInternal’ was not declared in this scope
|    return WebPMuxCreateInternal(bitstream, copy_data, WEBP_MUX_ABI_VERSION);
|           ^~~~~~~~~~~~~~~~~~~~~

And a number more of similar problems, hinting at a missing or broken
include file in libpcap. I tried upgrading libpcap from 1.8 to 1.9 as a
remedy, but no luck there. There is also no relevant entry on BGO and I
asked twice on IRC with this, but noone answered.

So you are my last hope, Gentoo-list Kenobi. What could I be missing?
Cheers.

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