#!/bin/bash

# Perform a smoke test on a target's cross compiler by building "hello world"
# and attempting to run it under QEMU application emulation.

source sources/include.sh && load_target $1 || exit 1

# Build statically linked hello world, if necessary

if test ! -e "$WORK/hello"
{
  "${ARCH}-gcc" -Os -static "${SOURCES}/toys/hello.c" -o "$WORK"/hello

  if test $? -ne 0
  {
    echo "Compiler doesn't seem to work" >&2
    dienow
  }
}

# Attempt to run statically linked hello world

setvar RESULT = "$(PATH="$OLDPATH" qemu-"$QEMU_TEST" "$WORK/hello")"
if test $RESULT == "Hello world!"
{
  echo "Cross toolchain seems to work."
  exit 0
} else {
  echo "Can't run hello world" >&2
  exit 1
}