cross_compile.txt

arm-ostl-linux-gnueabi-gcc -o gtk_hello_world gtk_hello_world.c `pkg-config --cflags gtk+-3.0` `pkg-config --libs gtk+-3.0` 

arm-ostl-linux-gnueabi-gcc -I/home/STM32MPU_workspace/STM32MP1-Ecosystem-v4.0.0/Developer-Package/sysroots/cortexa7t2hf-neon-vfpv4-ostl-linux-gnueabi/usr/include -I./include -I/usr/include -o gtk_hello_world gtk_hello_world.c `pkg-config --cflags gtk+-3.0` `pkg-config --libs gtk+-3.0` 


# No error

arm-ostl-linux-gnueabi-gcc --sysroot=/home/STM32MPU_workspace/STM32MP1-Ecosystem-v4.0.0/Developer-Package/sysroots/cortexa7t2hf-neon-vfpv4-ostl-linux-gnueabi/ -o gtk_hello_world gtk_hello_world.c `pkg-config --cflags gtk+-3.0` `pkg-config --libs gtk+-3.0` -mfloat-abi=hard -mfpu=fpv4-sp-d16


# Disable martian source logging when ethernet is connected:
	echo 0 > /proc/sys/net/ipv4/conf/{all,default}/log_martians
	
# DO NOT run GTK application with root; instead use weston (local) as given below
cd /usr/local/
su -l weston -c "/usr/local/gtk_hello_world"