#!/bin/sh

{

unset AR ARFLAGS CC CFLAGS CXX CXXFLAGS LD LDFLAGS;

. ./build.vars; . ./build.subr;

check_prereqs git make sed tar wget;

log_msg info "Build started by ${USER}@$(hostname).";

#trap

(set -o errexit; mkdir -p "${PREFIX}" "${WORKDIR}");

BUILD_NFINI=${BUILD_NSKIP:=${BUILD_NFAIL:=${_nbuild:=0}}};

for BUILD_LVL in 0 1 2; do

	for BUILD_SCRIPT_FNAME in ${BUILD_LVL}[0-9][0-9].*.build; do

		if [ -n "${DEBUG_SCRIPT}" ]\

		&& [ "x${DEBUG_SCRIPT}" != "x${BUILD_SCRIPT_FNAME}" ]; then

			continue;

		elif [ ! -f "${BUILD_SCRIPT_FNAME}" ]; then

			continue;

		else

			unset BUILD_SCRIPT_RC; : $((_nbuild+=1));

			log_msg info "Invoking build script \`${BUILD_SCRIPT_FNAME}'";

			(set -o errexit -- $(split "." "${BUILD_SCRIPT_FNAME%.build}");	\

			 SCRIPT_FNAME="${BUILD_SCRIPT_FNAME}"; _pwd="$(pwd)";		\

			 cd "${WORKDIR}"; . "${_pwd}/build.subr";		\

			 . "${_pwd}/${BUILD_SCRIPT_FNAME}");

			case ${BUILD_SCRIPT_RC:=${?}} in

			0) log_msg succ "Finished build script \`${BUILD_SCRIPT_FNAME}'.";

				: $((BUILD_NFINI+=1)); continue; ;;

			212) log_msg info "Skipped build script \`${BUILD_SCRIPT_FNAME}' (already built.)";

				: $((BUILD_NSKIP+=1)); BUILD_SCRIPT_RC=0; continue; ;;

			*) log_msg fail "Build failed in build script \`${BUILD_SCRIPT_FNAME}' (last return code ${BUILD_SCRIPT_RC}.).";

				: $((BUILD_NFAIL+=1)); break; ;;

			esac;

		fi;

	done;

	if [ ${BUILD_SCRIPT_RC:-0} != 0 ]; then

		break;

	fi;

done;

log_msg info "${BUILD_NFINI} finished, ${BUILD_NSKIP} skipped, and ${BUILD_NFAIL} failed builds in ${_nbuild} build script(s).";

exit ${BUILD_SCRIPT_RC};

} 2>&1 | tee build.log;

# vim:filetype=sh