compile-bc

#!/bin/sh

SRC=;
SRC_DIRS="src/data src/geom src/geom/clip src/math src/mem src/sim"
for d in $SRC_DIRS; do for f in `ls $d/*.c`; do SRC="$SRC $f"; done; done;

CFLAGS="-std=c11 -Os -Isrc -Iext -DCT_NO_EXPORT"
EMFLAGS="-s ASM_JS=1 -s ASSERTIONS=0 --js-library src/rt_cthing.js"
BUILD_DIR=obj
OUT=$BUILD_DIR/libcthing.bc

usage()
{
    cat <<EOF
Usage:
  -d     : remove duplicate functions
  -D SYM : add define
  -h     : show this help
  -k     : enable runtime checks
  -m     : enable memory checks
EOF
    exit 1
}

while getopts dhkmD: opt; do
    case $opt in
        d) EMFLAGS="$EMFLAGS -s ELIMINATE_DUPLICATE_FUNCTIONS=1"
           ;;
        k) CFLAGS="$CFLAGS -DCT_FEATURE_CHECKS"
           ;;
        m) CFLAGS="$CFLAGS -DCT_FEATURE_CHECK_MEM"
           ;;
        h) usage
           ;;
        D) CFLAGS="$CFLAGS -D$OPTARG"
           ;;
        \?) echo "invalid option: $opt" >&2
            usage
            exit 1
            ;;
        :) echo "$opt missing argument" >&2
           usage
           exit 1
           ;;
    esac
done

echo "cflags: $CFLAGS"
echo "emflags: $EMFLAGS"
echo "src: $SRC"

mkdir -p $BUILD_DIR
time emcc $CFLAGS $EMFLAGS -o $OUT $SRC

ls -la $OUT