I'm trying to cross-compile a simple "hello world" c file on a host system running ubuntu 18.04. I installed version UHD_4.0.0.HEAD-0-g90ce6062 and I have the same version of UHD running on the N310 I'm using. As instructed, I followed the steps under "Obtaining an SDK" and "SDK Usage" at the following link
https://files.ettus.com/manual/page_usrp_n3xx.html#n3xx_software_dev_sdk and the command $CC -dumpmachine shows the correct result as shown. apg@apg-virtual-machine:~$ $CC -dumpmachine arm-oe-linux-gnueabi My issue is when i try to compile a simple hello world.c file I get the following apg@apg-virtual-machine:~$ arm-oe-linux-gnueabi-gcc hello_world.c hello_world.c:1:10: fatal error: stdio.h: No such file or directory 1 | #include <stdio.h> | ^~~~~~~~~ compilation terminated. Not sure why i'm getting this simple error at the moment but the proper env variables have been set as shown apg@apg-virtual-machine:~$ echo $CC arm-oe-linux-gnueabi-gcc -mthumb -mfpu=neon -mfloat-abi=hard -mcpu=cortex-a9 --sysroot=/usr/local/oecore-x86_64/sysroots/cortexa9t2hf-neon-oe-linux-gnueabi Perhaps there are some add'l paths that I need to be set ??
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