#!/bin/sh

# Get the canonical path of the folder containing this script
bindir=$(cd -P -- "$(dirname -- "$0")" && printf '%s\n' "$(pwd -P)")

# Calculate the canonical path of the prefix, relative to the folder of this script
prefix=$(cd -P -- "$bindir/../" && printf '%s\n' "$(pwd -P)")
exec_prefix=${prefix}
exec_prefix_set=no
libdir=${exec_prefix}/lib

#usage="\
#Usage: $0 [--prefix[=DIR]] [--exec-prefix[=DIR]] [--version] [--cflags] [--libs]"
usage="\
Usage: $0 [--prefix[=DIR]] [--exec-prefix[=DIR]] [--version] [--cflags] [--libs] [--static-libs]"

if test $# -eq 0; then
      echo "${usage}" 1>&2
      exit 1
fi

while test $# -gt 0; do
  case "$1" in
  -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
  *) optarg= ;;
  esac

  case $1 in
    --prefix=*)
      prefix=$optarg
      if test $exec_prefix_set = no ; then
        exec_prefix=$optarg
      fi
      ;;
    --prefix)
      echo $prefix
      ;;
    --exec-prefix=*)
      exec_prefix=$optarg
      exec_prefix_set=yes
      ;;
    --exec-prefix)
      echo $exec_prefix
      ;;
    --version)
      echo 2.30.9
      ;;
    --cflags)
      echo -I${prefix}/include/SDL2  -D_THREAD_SAFE
      ;;
#    --libs)
#      echo -L${exec_prefix}/lib   -lSDL2 
#      ;;
#    --static-libs)
    --libs|--static-libs)
      sdl_static_libs=$(echo " -lSDL2   -lSDL2 -Wl,-framework,CoreVideo -Wl,-framework,Cocoa -Wl,-framework,IOKit -Wl,-framework,ForceFeedback -Wl,-framework,Carbon -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AVFoundation -Wl,-framework,Foundation -Wl,-weak_framework,GameController -Wl,-weak_framework,Metal -Wl,-weak_framework,QuartzCore -Wl,-weak_framework,CoreHaptics  -lm" | sed -E "s#-lSDL2[ $]#$libdir/libSDL2.a #g")
      echo -L${exec_prefix}/lib $sdl_static_libs
      ;;
    *)
      echo "${usage}" 1>&2
      exit 1
      ;;
  esac
  shift
done