zig build to PSVita target

main.zig

// replacing https://github.com/vitasdk/samples/blob/master/hello_world/src/main.c
const c = @cImport({
    @cInclude("psp2/kernel/processmgr.h");
    @cInclude("psp2/kernel/threadmgr.h");
    @cInclude("stdio.h");
    @cInclude("debugScreen.h");
    @cDefine("printf", "psvDebugScreenPrintf");
});

pub export fn main() c_int {
    _ = c.psvDebugScreenInit();
    _ = c.printf("[Zig] Hello, world!\n");

    _ = c.sceKernelDelayThread(3 * 1000000); // Wait for 3 seconds
    return 0;
}

zcc_build.sh

#!/usr/bin/env bash

VITASDK=$HOME/Downloads/vita3k-emu/vitasdk
PATH=$VITASDK/bin:$PATH
PROJECT_TITLEID=VSDK00007

# remove old build
rm -fr build

mkdir -p build
zig build-obj -fstrip -fcompiler-rt -lc \
    -cflags -fshort-enums -- src/main.zig ../common/debugScreen.c \
    -femit-bin=build/hello_world.o -fno-sanitize-c \
    -target arm-freestanding-eabihf -mcpu=cortex_a9 \
    -isystem $HOME/Downloads/vita3k-emu/vitasdk/include \
    -isystem $HOME/Downloads/vita3k-emu/vitasdk/arm-vita-eabi/include \
    -I../common

# add .vitalink section on binary
arm-vita-eabi-gcc -Wl,-q -Wall -O3 -DNDEBUG -Wl,-z,nocopyreloc \
    $PWD/build/hello_world.o -o $PWD/build/hello_world \
    -lSceLibKernel_stub -lSceDisplay_stub

rm $PWD/build/hello_world.o

vita-elf-create $PWD/build/hello_world $PWD/build/hello_world.velf
vita-make-fself -c -s $PWD/build/hello_world.velf $PWD/build/hello_world.self
vita-mksfoex -d PARENTAL_LEVEL=1 -s APP_VER=01.00 -s \
    TITLE_ID=$PROJECT_TITLEID "Hello World" \
    $PWD/build/hello_world.vpk_param.sfo

vita-pack-vpk -a $PWD/sce_sys/icon0.png=sce_sys/icon0.png \
    -a $PWD/sce_sys/livearea/contents/bg.png=sce_sys/livearea/contents/bg.png \
    -a $PWD/sce_sys/livearea/contents/startup.png=sce_sys/livearea/contents/startup.png \
    -a $PWD/sce_sys/livearea/contents/template.xml=sce_sys/livearea/contents/template.xml \
    -s $PWD/build/hello_world.vpk_param.sfo \
    -b $PWD/build/hello_world.self \
    $PWD/build/hello_world.vpk