build

#!/usr/bin/env bash

source ./common

relpath () {
    local common path up
    common="${1%/}"
	path="${2%/}/"
    while [[ "$up${path#"$common"/}" == "$path" ]] ; do
        common="${common%/*}"
		up="../$up"
    done
    path="$up${path#"$common"/}"
	path="${path%/}"
	echo "${path:-.}"
}

export CPATH="/opt/local/include/:$C_INCLUDE_PATH"

if [[ -z DEBUG ]] ; then DEBUG=0 ; fi &&
if (( DEBUG )) ; then CC+=" -g" ; fi &&

if [[ -e "$BUILD_OBJ_DIR/" ]] ; then rm -R "$BUILD_OBJ_DIR/" ; fi &&

if [[ ! -d "$BUILD_DIR/" ]] ; then mkdir "$BUILD_DIR/" ; fi &&
if [[ ! -d "$BUILD_OBJ_DIR/" ]] ; then mkdir "$BUILD_OBJ_DIR/" ; fi &&
if [[ ! -d "$BUILD_BIN_DIR/" ]] ; then mkdir "$BUILD_BIN_DIR/" ; fi &&

SRC_DIR="src/" &&

if [[ -n "${PKGCONFIG_DEPENDENCIES[@]}" ]] ; then
	PKGCONFIG_INCLUDE_ARGS="$(pkg-config --cflags "${PKGCONFIG_DEPENDENCIES[@]}")"
fi &&

for src_file in "$SRC_DIR"**/*.c ; do
	src_file_rel="${src_file#"$SRC_DIR"}"
	obj_file="$BUILD_OBJ_DIR/${src_file_rel%.c}.o" &&
	mkdir -p "$(dirname "$obj_file")" &&
	$CC -o "$obj_file" -c "$src_file" $PKGCONFIG_INCLUDE_ARGS \
		|| exit 70 # EX_SOFTWARE
done &&
if [[ -n "${DEPENDENCIES[@]}" ]] ; then
	DEPS_ARGS="$(printf -- "-l%s " "${DEPENDENCIES[@]}")"
fi &&
if [[ -n "${PKGCONFIG_DEPENDENCIES[@]}" ]] ; then
	PKGCONFIG_DEPS_ARGS="$(pkg-config --libs --static "${PKGCONFIG_DEPENDENCIES[@]}")"
fi &&
if [[ "$OUTPUT_TYPE" == program ]] ; then
    $CC -o "$BUILD_BIN_DIR/$PROGRAM_NAME" "$BUILD_OBJ_DIR/"**/*.o $DEPS_ARGS $PKGCONFIG_DEPS_ARGS
elif [[ "$OUTPUT_TYPE" == library ]] ; then
    $AR -c "$BUILD_LIB_DIR/$LIBRARY_NAME.a" "$BUILD_OBJ_DIR/"**/*.o
else
    echo "invalid output type '$OUTPUT_TYPE'" >&2
    exit 78 # EX_CONFIG
fi &&

exit 0 # EX_OK