Build error of package QtWebEngine with new release fsimx6-B2019.08

mdisg@isgus · Aug 28th 2019

Hello,

the QtWebEngine package in the provided release does not compile.

Please see the following output of the build:

Code

../../3rdparty/chromium/third_party/skia/third_party/skcms/src/Transform_inl.h: In function 'void exec_ops(const Op*, const void**, const char*, char*, int)':
../../3rdparty/chromium/third_party/skia/third_party/skcms/src/Transform_inl.h:560:16: internal compiler error: in convert_move, at expr.c:231
static void NS(exec_ops)(const Op* ops, const void** args,
^
../../3rdparty/chromium/third_party/skia/third_party/skcms/skcms.cc:1909:16: note: in definition of macro 'NS'
#define NS(id) id
^~
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
[1643/14096] CXX obj/services/device/public/cpp/generic_sensor/generic_sensor/sensor_reading_shared_buffer_reader.o
ninja: build stopped: subcommand failed

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This seems to be a bug in the gcc and seems to be fixed with gcc >= 8 which is mentioned here:

https://patchwork.ozlabs.org/patch/1138934/ and https://gist.github.com/ericfo…6bfe441466bf04d4575c4e750

Can you please provide a toolchain with the required gcc version? Or is there a description available how i can compile a newer toolchain on my own?

Best regards

Maik Dilger

fs-support_HK · Sep 17th 2019

We are currently testing a new toolchain based on GCC-8.3. The above error is gone, but we are running into a new problem right now. When this can be solved, we will make the new toolchain available for everyone.

Your F&S Support Team

fs-support_HK · Oct 7th 2019

We have uploaded a new toolchain to our server (Linux-Tools/toolchain/fs-toolchain-8.3-armv7ahf.tar.bz2). Unpack the tar archive in /usr/local/arm

Code

sudo tar xvf fs-toolchain-8.3-armv7ahf.tar.bz2

Then change your PATH variable accordingly. Usually you have to change .bashrc or a similar file to make this permanent. When changing the toolchain, you should also remove the compiler cache:

Code

rm -rf ~/.ccache ~/.buildroot-ccache

Finally in Buildroot, call make menuconfig and go to "Toolchain" -> "Toolchain path". Replace the 7.4 in the string with 8.3. Then change entry "External toolchain gcc version" from "7.x" to "8.x".

The new toolchain does not solve all problems. There are two modifications required, one for package qt5base and one for package qt5webengine. The attached patch will handle this. In the top Buildroot directory, apply the patch with

Code

patch -p1 < 0001-Fix-Qt5-webengine-build.patch

Please note the less-than sign "<" for input redirection. Now rebuild Buildroot from scratch, i.e. call

Code

make clean
make

Qt5 webengine should compile now without error.

Your F&S Support Team

Build error of package QtWebEngine with new release fsimx6-B2019.08

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