Improving app performance in WP

[jyijyi]

you can see here to use the WP76 R9 toolchain:

[WP7608][CrossCompile] Cross compile error for native C source

Back Ground: I try to build native C source by using leaf cross compile. So I faced the build error that “stdio.h is no file or directly” as the follows. <Environment> - Linux distribution; SWI9X07Y_02.28.03.05 - legato system: 19.02 - WP7605 with mangOH Green - Host PC: Ubuntu 16.04 64bit (lsh:wp7605stable) altima@altima-ThinkPad-X220:~/HelloFujidenki$ $WP76XX_TOOLCHAIN_DIR/arm-poky-linux-gnueabi-gcc -o HelloFuji /home/altima/HelloFujidenki/HelloFuji.c /home/altima/HelloFujidenki/HelloFuj…