#!/bin/sh

std=c99
vendor=""
flags=""
rpath=""
while [ $# -gt 0 ]; do
  case "$1" in
  -std=*) std=${1#-std=};;
  -G) shared=1;;
  -B) shift; mode="$1";;
  # Multiple instances [...] −R can be specified.
  -R) shift; rpath="$rpath $1";;
  -o) shift; out="$1";;
  -c) compileonly=1;;
  *) vendor="$vendor $1"
  esac
  shift
done

if [ "$std" != "c99" ] && [ "$std" != "iso9899:1999" ]; then
  echo "`basename $0` called with non ISO C99 option -std=$std" >&2
  exit 1
fi

if [ "$mode" ]; then
  # pass unknown flags on to compiler
  if [ "$mode" != "dynamic" ]; then
    vendor="$vendor -B $mode"
  elif [ "$shared" ]; then
    echo "`basename $0` called with both -B shared and -G option" >&2
    exit 1
  else
    # Unspecified by POSIX:  If combined with -c we produce an object
    # suitable for -pie
    if [ "$compileonly" ]; then
      flags="$flags -fpie"
    else
      flags="$flags -pie"
    fi
  fi
fi

if [ "$shared" ]; then
  if [ "$compileonly" ]; then
    flags="$flags -fpic"
  else
    flags="$flags -shared"
  fi
fi

if [ "$rpath" ]; then
  if [ "$compileonly" ]; then
    echo "`basename $0` called with both -R and -c option" >&2
    exit 1
  else
    for rp in "$rpath"; do
      flags="-Wl,-rpath,$rp"
    done
  fi
fi

args="$flags $vendor"
echo gcc $args
#gcc $args
#flags=
#if [ "$shared" ]; then
#  flags="$flags -shared"
#fi
#if [
#echo gcc $fl ${1+"$@"}