#!/bin/bash

if [ -z "$1" ] && [ -z "$NACL_SDK_ROOT" ]; then

    echo "Usage: ./naclbuild ~/nacl/pepper_35"

    echo "This will build SDL for Native Client, and testgles2.c as a demo"

    echo "You can set env vars CC, AR, LD and RANLIB to override the default PNaCl toolchain used"

    echo "You can set env var SOURCES to select a different source file than testgles2.c"

    exit 1

fi

if [ -n "$1" ]; then

    NACL_SDK_ROOT="$1"

fi

CC=""

if [ -n "$2" ]; then

    CC="$2"

fi

echo "Using SDK at $NACL_SDK_ROOT"

export NACL_SDK_ROOT="$NACL_SDK_ROOT"

export CFLAGS="$CFLAGS -I$NACL_SDK_ROOT/include -I$NACL_SDK_ROOT/include/pnacl"

NCPUS="1"

case "$OSTYPE" in

    darwin*)

        NCPU=`sysctl -n hw.ncpu`

        ;; 

    linux*)

        if [ -n `which nproc` ]; then

            NCPUS=`nproc`

        fi  

        ;;

  *);;

esac

CURDIR=`pwd -P`

SDLPATH="$( cd "$(dirname "$0")/.." ; pwd -P )"

BUILDPATH="$SDLPATH/build/nacl"

TESTBUILDPATH="$BUILDPATH/test"

SDL2_STATIC="$BUILDPATH/build/.libs/libSDL2.a"

mkdir -p $BUILDPATH

mkdir -p $TESTBUILDPATH

if [ -z "$CC" ]; then

    export CC="$NACL_SDK_ROOT/toolchain/linux_pnacl/bin/pnacl-clang"

fi

if [ -z "$AR" ]; then

    export AR="$NACL_SDK_ROOT/toolchain/linux_pnacl/bin/pnacl-ar"

fi

if [ -z "$LD" ]; then

    export LD="$NACL_SDK_ROOT/toolchain/linux_pnacl/bin/pnacl-ar"

fi

if [ -z "$RANLIB" ]; then

    export RANLIB="$NACL_SDK_ROOT/toolchain/linux_pnacl/bin/pnacl-ranlib"

fi

if [ -z "$SOURCES" ]; then

    export SOURCES="$SDLPATH/test/testgles2.c"

fi

if [ ! -f "$CC" ]; then

    echo "Could not find compiler at $CC"

    exit 1

fi

cd $BUILDPATH

$SDLPATH/configure --host=pnacl --prefix $TESTBUILDPATH

make -j$NCPUS CFLAGS="$CFLAGS -I./include"

make install

if [ ! -f "$SDL2_STATIC" ]; then

    echo "Build failed! $SDL2_STATIC"

    exit 1

fi

echo "Building test"

cp -f $SDLPATH/test/nacl/* $TESTBUILDPATH

# Some tests need these resource files

cp -f $SDLPATH/test/*.bmp $TESTBUILDPATH

cp -f $SDLPATH/test/*.wav $TESTBUILDPATH

cp -f $SDL2_STATIC $TESTBUILDPATH

# Copy user sources

_SOURCES=($SOURCES)

for src in "${_SOURCES[@]}"

do

    cp $src $TESTBUILDPATH

done

export SOURCES="$SOURCES"

cd $TESTBUILDPATH

make -j$NCPUS CONFIG="Release" CFLAGS="$CFLAGS -I$TESTBUILDPATH/include/SDL2 -I$SDLPATH/include"

make -j$NCPUS CONFIG="Debug" CFLAGS="$CFLAGS -I$TESTBUILDPATH/include/SDL2 -I$SDLPATH/include"

echo

echo "Run the test with: "

echo "cd $TESTBUILDPATH;python -m SimpleHTTPServer"

echo "Then visit http://localhost:8000 with Chrome"

cd $CURDIR