test.c

#!./test.sh -std=c99 -ggdb -I. -DDEBUG

#include <stdio.h>

int main() {
  puts("tada!");
}

test.sh

#!/bin/bash

FILENAME=${@:${#@}:1} # Last argument
REST=${@:1:$[${#@}-1]} # Everything except the last argument

file=".tmp-$(date +'%s').c"

tail -n +2 $FILENAME > $file
gcc $REST $file
rm $file
./a.out
rm a.out
exit