Hi everyone,
Working on the meta-ros layer [1] and more specifically bitbaking
cv-bridge [2], I stepped into an issue with opencv.
When I execute `bitbake opencv` with versions
meta = "master:bc6258f88705b0e7989089a8666ac5e5d2355823"
meta-oe = "master:6b50a7d6621eba239380b11606110caab814eb51"
bitbake emits this warning:
WARNING: QA Issue: opencv: The compile log indicates that host include
and/or library paths were used.
Please check the log
'/home/lukas/oe-core/build/tmp-eglibc/work/x86_64-oe-linux/opencv/2.4.3-r2/temp/log.do_compile'
for more information.
In log.do_compile, the g++ calls have the parameter "-isystem
/usr/include/eigen3". I have installed libeigen3-dev 3.0.5-1 on my
ubuntu host machine and bitbake opencv seems to pick up the eigen3
headers from the host include. To repair this issue, I see two
alternatives here:
- either add eigen3 as recipe to meta-oe and add eigen3 as a dependency.
Kartik Mohta provides recipes for eigen at his repository [3] and I have
some older copy at our repository [4].
- or ensure that opencv does not use eigen3 at all and hence does not
pick up the eigen3 headers from the host machine.
What are your thoughts?
Lukas
[1] https://github.com/bmwcarit/meta-ros
[2]
https://github.com/bulwahn/meta-ros/commit/cc0ce9c4c3c49fc72eb95712a629350bc9c6a21a
[3]
https://github.com/kartikmohta/meta-km/tree/master/recipes-extended/eigen
[4] https://github.com/bmwcarit/meta-ros/tree/master/recipes-extended/eigen
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