[yocto] Missing dependencies in recipe-sysroot

Georgi Georgiev Georgi.Georgiev at woodward.com
Mon Dec 3 23:53:27 PST 2018


Hello,
As probably all yocto people know the sysrootfs policy changed in yocto rocko 2.4+. So I have the following issue:
I try to make a recipe for a shared library with makefile. The recipe is below (I don't claim it is complete. I simply cannot pass building stage):
#==================
LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://${THISDIR}/files/LICENSE;md5=5959e502cb44bafc53b2cc9400e3d4cd"
PR = "r0"

##### First try from my local repo and then we will use the big one
SRC_URI = "git:///home/w23698/projects/anybus/Generic;branch=anybus-lib-0.0.1"
SRCREV = "2fe4ce39a651d71f3f8de1c751dff2581de2c526"

S = "${WORKDIR}/git"

PACKAGES = "${PN} ${PN}-dev ${PN}-dbg"
#####The only dependency
RDEPENDS_${PN} = "libgpiod"
RDEPENDS_${PN}-dev = "libgpiod"
RDEPENDS_${PN}-dbg = "libgpiod"

do_compile() {
    oe_runmake
}

do_install() {
    install -d ${D}${libdir}
    install -m 0644 ${PN}-m40 ${D}${libdir}
}

What was my surprise when it failed with:
ww.c:6:10: fatal error: gpiod.h: No such file or directory
 |  #include "gpiod.h"
|           ^~~~~~~~~
| compilation terminated.
Then I noticed that the command line is:
arm-poky-linux-gnueabi-gcc  -march=armv7-a -mfpu=neon -mfloat-abi=hard -mcpu=cortex-a9 --sysroot=/<full path>/recipe-sysroot -L/usr/lib -g -Wall -fpic .....
I looked in recipe-sysroot/usr/lib/ and found a minimal set of libraries and libgpiod was not there. Neither the header was there in include...

Any suggestions?

Cordially,
Georgi
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