#!/bin/sh

ERROR=0
TOPDIR=`pwd`

# test for nasm
if [ -x /usr/bin/nasm -o -x /usr/local/bin/nasm ]; then HAVE_NASM=y; else HAVE_NASM=n; fi

# test for yasm
if [ -x /usr/bin/yasm -o -x /usr/local/bin/yasm ]; then HAVE_YASM=y; else HAVE_YASM=n; fi

if [ `uname -m` = i686 ]; then
  if [ $HAVE_NASM = n ]; then
    echo " *** Nasm is required.  Download it from nasm.sourceforge.net"; 
    ERROR=1
  fi
fi

if [ $HAVE_YASM = n ]; then
  echo " *** Yasm is required.  Download it from www.tortall.net/projects/yasm/"; 
  ERROR=1
fi

# test for -msse support

rm -f a.out
cat > conftest.c << EOF
int main()
{
  return 0;
}
EOF

gcc -msse conftest.c > /dev/null 2>&1

if [ -x a.out ]; then HAVE_GCC=y; else HAVE_GCC=n; fi

rm -f a.out conftest.c

if [ $HAVE_GCC = n ]; then
  echo " *** GCC 3.2.2 or greater is required.  Download it from gcc.gnu.org"; 
  ERROR=1
fi

if [ $ERROR -ne 0 ]; then
  exit 1
fi