#!/bin/bash

set -e

CC=${CC:-cc}

# assume we are in a subdirectory of the project to build
HERE=$(dirname $0)/..
cd $HERE
ROOT=$(pwd)
NAME=$(basename $ROOT)

mkdir -p build
mkdir -p generated

cd build

# we cannot link with debug library unless we use the sanitize flag.
SANFLAG_DEBUG=""
compiler_info="$($CC --version 2>&1)"
echo "using compiler: $compiler_info"
if echo $compiler_info | grep -q -i "clang"; then
    SANFLAG_DEBUG="-fsanitize=undefined"
    echo "debug sanitizer flag: $SANFLAG_DEBUG"
fi

if [[ "$FLATCC_PORTABLE" = "yes" ]]; then
    CFLAGS="$CFLAGS -DFLATCC_PORTABLE"
fi

CFLAGS="$CFLAGS -I ${ROOT}/include -I ${ROOT}/generated"
CFLAGS_DEBUG=${CFLAGS_DEBUG:--g $SANFLAG_DEBUG}
CFLAGS_RELEASE=${CFLAGS_RELEASE:--O2 -DNDEBUG}

${ROOT}/bin/flatcc -a -o ${ROOT}/generated ${ROOT}/src/*.fbs

echo "building '$NAME' for debug"
$CC $CFLAGS $CFLAGS_DEBUG ${ROOT}/src/*.c ${ROOT}/lib/libflatccrt_d.a -o ${NAME}_d

echo "building '$NAME' for release"
$CC $CFLAGS $CFLAGS_RELEASE ${ROOT}/src/*.c ${ROOT}/lib/libflatccrt.a -o ${NAME}