[yocto] Opencv headers

Ekaterini Voulgari sdi1100002 at di.uoa.gr
Mon Aug 19 05:42:43 PDT 2019


Indeed.Grazie.

On 19/8/19 2:20 μ.μ., Gabriele Zampieri wrote:
> Hi,
>
> you need to add
> DEPENDS = "opencv"
> to your recipe. This will import the needed header in your recipe sysroot.
>
> Best regards,
> Gabriele
>
> Il giorno lun 19 ago 2019 alle ore 13:09 Ekaterini Voulgari 
> <sdi1100002 at di.uoa.gr <mailto:sdi1100002 at di.uoa.gr>> ha scritto:
>
>     Hello all,
>     I'm trying to add a program to my image that uses opencv (#include
>     <opencv2/opencv.hpp>), but I get compile error "fatal error:
>     opencv2/opencv.hpp: No such file or directory"
>
>     The file opencv.hpp exists in workdir
>     /build/tmp/work/cortexa7t2hf-neon-vfpv4-poky-linux-musleabi/opencv/3.4.5-r0/image/usr/include/opencv2/opencv.hpp.
>
>     Can anyone help on where are the headers located in crossbuilds? Any
>     help appreciated.
>     The recipe:
>
>     SRC_URI = "file://capture.cpp"
>
>     do_compile () {
>          ${CC} capture.cpp  -lopencv_core -lopencv_imgproc
>     -lopencv_highgui
>     -lopencv_videoio
>     }
>
>     do_install () {
>
>              install -d -m 0755 ${D}/${bindir}
>              install -m 0755 prog_kameras ${D}/${bindir}/prog_kameras
>     }
>
>     -- 
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