Mqtt paho compilation error

1

I am trying to build mqtt paho app for WP76xx and i am getting followirg error
Can anyone help me with this

make: *** [target] Error 1
FAILED: cd /tmp/build/mqttClient/Target_Legato_Debug/component/26c0b9da9a3a83cde00630005d15edde && export CFLAGS="–sysroot=/opt/swi/SWI9X07Y_02.28.03.01/sysroots/armv7a-neon-poky-linux-gnueabi -g -I /tmp/build/mqttClient/Target_Legato_Debug -I/legato/interfaces -I/legato/framework/include -I/legato/build/wp76xx/framework/include -I/legato/interfaces/airVantage/legacy -I/legato/interfaces -I/legato/interfaces/wifi -I/legato/interfaces/watchdog -I/legato/interfaces/positioning -I/legato/interfaces/secureStorage -I/legato/interfaces/supervisor -I/legato/interfaces/modemServices -I/legato/interfaces/atServices -I/legato/interfaces/logDaemon -I/legato/interfaces/airVantage -I/legato/interfaces/portService -IC:\Users\CC\Downloads\MQTT\MqttClient-use_paho_linux_version\MqttClient-use_paho_linux_version" CXXFLAGS="–sysroot=/opt/swi/SWI9X07Y_02.28.03.01/sysroots/armv7a-neon-poky-linux-gnueabi -g -I /tmp/build/mqttClient/Target_Legato_Debug -I/legato/interfaces -I/legato/framework/include -I/legato/build/wp76xx/framework/include -I/legato/interfaces/airVantage/legacy -I/legato/interfaces -I/legato/interfaces/wifi -I/legato/interfaces/watchdog -I/legato/interfaces/positioning -I/legato/interfaces/secureStorage -I/legato/interfaces/supervisor -I/legato/interfaces/modemServices -I/legato/interfaces/atServices -I/legato/interfaces/logDaemon -I/legato/interfaces/airVantage -I/legato/interfaces/portService -IC:\Users\CC\Downloads\MQTT\MqttClient-use_paho_linux_version\MqttClient-use_paho_linux_version" LDFLAGS="–sysroot=/opt/swi/SWI9X07Y_02.28.03.01/sysroots/armv7a-neon-poky-linux-gnueabi -g" CPPFLAGS="–sysroot=/opt/swi/SWI9X07Y_02.28.03.01/sysroots/armv7a-neon-poky-linux-gnueabi " PATH="${LEGATO_ROOT}/bin:/opt/swi/SWI9X07Y_02.28.03.01/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi:/opt/swi/SWI9X07Y_02.28.03.01/sysroots/x86_64-pokysdk-linux/usr/bin:/opt/swi/SWI9X07Y_02.28.03.01/sysroots/x86_64-pokysdk-linux/bin:/opt/swi/SWI9X07Y_02.28.03.01/sysroots/x86_64-pokysdk-linux/sbin:$PATH" && make -C C:\Users\CC\Downloads\MQTT\MqttClient-use_paho_linux_version\MqttClient-use_paho_linux_version/pahoLegatoComponent/paho.mqtt.c blddir=build/output_wp76xx
make[1]: Entering directory ‘C:\Users\CC\Downloads\MQTT\MqttClient-use_paho_linux_version\MqttClient-use_paho_linux_version/pahoLegatoComponent/paho.mqtt.c’
mkdir -p build/output_wp76xx/samples
mkdir -p build/output_wp76xx/test
echo OSTYPE is Linux
OSTYPE is Linux
/opt/swi/SWI9X07Y_02.28.03.01/sysroots/x86_64-pokysdk-linux/usr/bin/arm-poky-linux-gnueabi/arm-poky-linux-gnueabi-gcc --sysroot=/opt/swi/SWI9X07Y_02.28.03.01/sysroots/armv7a-neon-poky-linux-gnueabi -g -I src -lpthread -L build/output_wp76xx -o build/output_wp76xx/MQTTVersion -lpaho-mqtt3a src/MQTTVersion.c -ldl
/opt/swi/SWI9X07Y_02.28.03.01/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/7.3.0/real-ld: cannot find -lpaho-mqtt3a
collect2: error: ld returned 1 exit status
Makefile:234: recipe for target ‘build/output_wp76xx/MQTTVersion’ failed
make[1]: *** [build/output_wp76xx/MQTTVersion] Error 1
make[1]: Leaving directory ‘C:\Users\CC\Downloads\MQTT\MqttClient-use_paho_linux_version\MqttClient-use_paho_linux_version/pahoLegatoComponent/paho.mqtt.c’
ninja: build stopped: subcommand failed.
Makefile:37: recipe for target ‘target’ failed
make: Leaving directory ‘C:\Users\CC\Downloads\MQTT\MqttClient-use_paho_linux_version\MqttClient-use_paho_linux_version/Target_Legato_Debug’

“cannot find -lpaho-mqtt3a
collect2: error: ld returned 1 exit status”

2

You can have a look on this:

Here I have tried the followings:
1.download the yocto source and go to ./meta-swi/meta-swi-mdm9x28/recipes-core/images/mdm9x28-image.inc

2.add the following line:
IMAGE_INSTALL_append = " paho-mqtt-c"

3.type make to build the yocto image

4.owner@CNHKG-EX-001367:~/Yocto/WP76/R13.3/yocto$ ls ./build_bin/tmp/work/armv7a-neon-poky-linux-gnueabi/paho-mqtt-c/1.2.0-r0/image/usr/
include lib

owner@CNHKG-EX-001367:~/Yocto/WP76/R13.3/yocto$ ls ./build_bin/tmp/work/armv7a-neon-poky-linux-gnueabi/paho-mqtt-c/1.2.0-r0/image/usr/lib/ -l
total 1772
lrwxrwxrwx 1 owner owner 21 Nov 19 09:34 libpaho-mqtt3a.so -> libpaho-mqtt3a.so.1.0
lrwxrwxrwx 1 owner owner 21 Nov 19 09:34 libpaho-mqtt3a.so.1 -> libpaho-mqtt3a.so.1.0
-rwxr-xr-x 1 owner owner 345432 Nov 19 09:34 libpaho-mqtt3a.so.1.0
lrwxrwxrwx 1 owner owner 22 Nov 19 09:34 libpaho-mqtt3as.so -> libpaho-mqtt3as.so.1.0
lrwxrwxrwx 1 owner owner 22 Nov 19 09:34 libpaho-mqtt3as.so.1 -> libpaho-mqtt3as.so.1.0
-rwxr-xr-x 1 owner owner 585248 Nov 19 09:34 libpaho-mqtt3as.so.1.0
lrwxrwxrwx 1 owner owner 21 Nov 19 09:34 libpaho-mqtt3c.so -> libpaho-mqtt3c.so.1.0
lrwxrwxrwx 1 owner owner 21 Nov 19 09:34 libpaho-mqtt3c.so.1 -> libpaho-mqtt3c.so.1.0
-rwxr-xr-x 1 owner owner 317856 Nov 19 09:34 libpaho-mqtt3c.so.1.0
lrwxrwxrwx 1 owner owner 22 Nov 19 09:34 libpaho-mqtt3cs.so -> libpaho-mqtt3cs.so.1.0
lrwxrwxrwx 1 owner owner 22 Nov 19 09:34 libpaho-mqtt3cs.so.1 -> libpaho-mqtt3cs.so.1.0
-rwxr-xr-x 1 owner owner 558016 Nov 19 09:34 libpaho-mqtt3cs.so.1.0

3

I am using developer studio for building

4

Developer studio cannot build yocto source