Hi, I experienced the same last week. If you choose a current 5.13 branch of qtbase, it should work. Also the latest qt5.git integration contains a build fix for this.
Hence, I’d recommend to switch to 5.13 and use latest emscripten SDK. Maurice From: Interest <interest-boun...@qt-project.org> On Behalf Of Alexander Rössler Sent: Friday, March 1, 2019 10:52 AM To: interest@qt-project.org Subject: [Interest] WAS is failing to compile under Ubuntu Hello, Qt devs, A couple of devs, including me, tried to build and install Qt for WA under a recent Ubuntu. See: https://forum.qt.io/topic/100061/ubuntu-compile-qt-failed We all followed the instructions from the blog post: https://blog.qt.io/blog/2018/11/19/getting-started-qt-webassembly/ However, for some reason the build fails at: qsimd_p.h:196:14: fatal error: 'x86intrin.h' file not found # include <x86intrin.h> ^~~~~~~~~~~~~ My em++ looks as follows: $ em++ -v emcc (Emscripten gcc/clang-like replacement + linker emulating GNU ld) 1.38.28 clang version 6.0.1 (emscripten 1.38.28 : 1.38.28) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /home/alexander/bin/emsdk/clang/tag-e1.38.28/build_tag-e1.38.28_64/bin Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/8 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6.5.0 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.3.0 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8 Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.3.0 Candidate multilib: .;@m64 Selected multilib: .;@m64 shared:INFO: (Emscripten: Running sanity checks) How can we debug the problem? I've also tried to do following export CPLUS_INCLUDE_PATH=~/bin/emsdk/clang/tag-e1.38.28/build_tag-e1.38.28_64/lib/clang/6.0.1/include/ which results in the build failing due to missing symbols. Thank you for your response Alex
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