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#!/bin/sh
# Copyright (c) 2016 Lucio Andrés Illanes Albornoz <l.illanes@gmx.de>
#
#
# Clear the environment.
# Source subroutine scripts.
# Source the build variables file and its local overrides, if any.
# Process command line arguments.
for __ in subr/*.subr; do
. ./${__};
done;
check_cpuinfo; source_vars; clear_env;
while [ ${#} -gt 0 ]; do
case ${1} in
-c) export ARG_CLEAN=1; ;;
-n) export ARG_DRYRUN=1 ARG_VERBOSE=1; ;;
-t*) export ARG_TARBALL=1; [ "${1#-t.}" != "${1}" ] && TARBALL_SUFFIX=${1#-t.}; ;;
-v) export ARG_VERBOSE=1; ;;
-x) export ARG_XTRACE=1; set -o xtrace; ;;
-a) [ -z "${2}" ] && exec cat etc/build.usage || export ARCH=${2}; shift; ;;
-b) [ -z "${2}" ] && exec cat etc/build.usage || export BUILD=${2}; shift; ;;
-r) if [ -z "${2}" ]; then
exec cat build.usage;
elif [ "${2%:*}" = "${2}" ]; then
export ARG_RESTART=${2};
else
export ARG_RESTART=${2%:*} ARG_RESTART_AT=${2#*:};
fi; shift; ;;
host_toolchain|native_toolchain|runtime|lib_packages|leaf_packages|devroot|world)
export BUILD_TARGETS_META="${BUILD_TARGETS_META:+${BUILD_TARGETS_META} }${1}"; ;;
*=*) set_var_unsafe "${1%%=*}" "${1#*=}"; ;;
*) exec cat etc/build.usage; ;;
esac; shift;
done;
if [ -z "${BUILD_TARGETS_META}" ]; then
BUILD_TARGETS_META=world;
fi;
#
# Check whether the pathnames in build.vars contain non-empty valid values.
# Check whether all prerequisite command names resolve.
# Check whether all prerequisite pathnames resolve.
# Check whether all prerequisite Perl modules exist.
# Clean ${PREFIX} if requested.
# Create directory hierarchy and usr -> . symlinks.
check_paths; clean_prefix; create_dirs;
init_build_log; init_build_progress_file;
{(init_build_vars;
log_msg info "Build started by ${BUILD_USER:=${USER}}@${BUILD_HNAME:=$(hostname)} at ${BUILD_DATE_START}.";
log_env_vars "build (global)" ${LOG_ENV_VARS};
for BUILD_TARGET_LC in $(subst_tgts ${BUILD_TARGETS_META}); do
BUILD_TARGET=$(echo ${BUILD_TARGET_LC} | tr a-z A-Z);
for BUILD_PACKAGE_LC in $(get_var_unsafe ${BUILD_TARGET}_PACKAGES); do
BUILD_PACKAGE=$(echo ${BUILD_PACKAGE_LC} | tr a-z A-Z);
if [ -n "${ARG_RESTART}" ]; then
if ! match_list ${ARG_RESTART} , ${BUILD_PACKAGE_LC}; then
if [ ${ARG_VERBOSE:-0} -eq 1 ]; then
log_msg info "Skipped \`${BUILD_PACKAGE_LC}' (-r specified.)";
fi;
: $((BUILD_NSKIP+=1)); BUILD_SCRIPT_RC=0; continue;
fi;
elif is_build_script_done finish "${BUILD_PACKAGE_LC}"; then
if [ ${ARG_VERBOSE:-0} -eq 1 ]; then
log_msg info "Skipped \`${BUILD_PACKAGE_LC}' (already built.)";
fi;
: $((BUILD_NSKIP+=1)); BUILD_SCRIPT_RC=0; continue;
fi;
if [ -e scripts/${BUILD_PACKAGE_LC}.build ]; then
BUILD_SCRIPT_FNAME=scripts/${BUILD_PACKAGE_LC}.build;
else
BUILD_SCRIPT_FNAME=scripts/pkg.build;
fi;
if [ ${ARG_VERBOSE:-0} -eq 1 ]; then
log_msg info "Invoking build script \`${BUILD_SCRIPT_FNAME}'${ARG_RESTART:+ (forcibly)} for package \`${BUILD_PACKAGE_LC}'.";
fi;
(set -o errexit -o noglob;
export MIDIPIX_BUILD_PWD=$(pwd) \
PKG_BUILD=${BUILD} PKG_TARGET=${TARGET} \
PKG_PREFIX=$(get_vars_unsafe ${BUILD_TARGET}_PREFIX \
PKG_${BUILD_PACKAGE%.*}_PREFIX) \
PREFIX PREFIX_CROSS PREFIX_MIDIPIX PREFIX_NATIVE PREFIX_ROOT;
cd ${WORKDIR}; source_scripts);
BUILD_SCRIPT_RC=${?}; case ${BUILD_SCRIPT_RC} in
0) log_msg succ "Finished \`${BUILD_PACKAGE_LC}' build.";
: $((BUILD_NFINI+=1)); continue; ;;
*) log_msg fail "Build failed in \`${BUILD_PACKAGE_LC}' (last return code ${BUILD_SCRIPT_RC}.).";
: $((BUILD_NFAIL+=1)); break; ;;
esac;
done;
if [ ${BUILD_SCRIPT_RC:-0} -ne 0 ]; then
break;
fi;
done;
do_strip; do_tarballs; fini_build_vars;
log_msg info "${BUILD_NFINI} finished, ${BUILD_NSKIP} skipped, and ${BUILD_NFAIL} failed builds in ${BUILD_NBUILT} build script(s).";
log_msg info "Build time: ${BUILD_TIMES_HOURS} hour(s), ${BUILD_TIMES_MINUTES} minute(s), and ${BUILD_TIMES_SECS} second(s).";
fini_build_progress_file;
exit ${BUILD_SCRIPT_RC})} 2>&1 | tee ${BUILD_LOG_FNAME} &
TEE_PID=${!};
trap "rm -f ${BUILD_STATUS_IN_PROGRESS_FNAME}; \
log_msg fail \"Build aborted.\"; \
echo kill ${TEE_PID}; \
kill ${TEE_PID}" HUP INT TERM USR1 USR2;
wait;
# vim:filetype=sh
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