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#!/bin/sh
# Copyright (c) 2016 Lucio Andrés Illanes Albornoz <l.illanes@gmx.de>
#
. ./build.subr;
VALID_BUILD_LEVELS="fetch,extract,build_dir,autoconf,patch,configure,clean,build,install";
#
# Process command line arguments.
while [ ${#} -gt 0 ]; do
case ${1} in
-c) ARG_CLEAN=1; ;;
-d) disable_build_script_link "${2}"; exit; ;;
-e) enable_build_script_link "${2}"; exit; ;;
-t*) export ARG_TARBALL=1; [ "${1#-t.}" != "${1}" ] && TARBALL_SUFFIX=${1#-t.}; ;;
-v) export ARG_VERBOSE=1; ;;
-x) ARG_XTRACE=1; set -o xtrace; ;;
-a) [ -z "${2}" ] && exec cat build.usage || ARCH="${2}"; shift; ;;
-b) [ -z "${2}" ] && exec cat build.usage || BUILD="${2}"; shift; ;;
-pi) [ -z "${2}" ] && exec cat build.usage || insert_build_script_link "${2}"; exit; ;;
-pr) [ -z "${2}" ] && exec cat build.usage || remove_build_script_link "${2}"; exit; ;;
-r) [ -n "${ARG_RESTART_SCRIPT}" ] && exec cat build.usage;
if [ "${2#*:*}" != "${2}" ]; then
ARG_RESTART_SCRIPT="${2%%:*}"; ARG_RESTART_SCRIPT_AT="${2##*:}";
if [ "${ARG_RESTART_SCRIPT_AT}" != diff ]; then
for __ in $(split , "${ARG_RESTART_SCRIPT_AT}"); do
if ! match_list "${VALID_BUILD_LEVELS}" , "${__}"; then
log_msg fail "Error: unknown build level specified.";
exec cat build.usage;
fi;
done;
fi;
else
ARG_RESTART_SCRIPT="${2}"; ARG_RESTART_SCRIPT_AT=ALL;
fi;
if [ ! -e "${ARG_RESTART_SCRIPT}" ]; then
log_msg fail "Error: unknown build script specified.";
exec cat build.usage;
fi;
shift; ;;
*=*) set_var_unsafe "${1%%=*}" "${1#*=}"; ;;
*) exec cat build.usage; ;;
esac; shift; done;
if [ -z "${BUILD_CPUS}" ] \
&& [ -e /proc/cpuinfo ]; then
BUILD_CPUS=$(awk '/^processor/{cpus++} END{print cpus}' /proc/cpuinfo);
fi;
# Source the build variables file and its local overrides, if any.
for __ in ${HOME}/midipix_build.vars ../midipix_build.vars ./build.vars; do
[ -e ${__} ] && . ${__};
done;
#
# Clear the environment.
# 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.
for __ in $(export | sed -e 's/^export //' -e 's/=.*$//'); do
if ! match_list "${CLEAR_ENV_VARS_EXCEPT}" " " "${__}"; then
unset "${__}";
fi;
done;
for __ in ${CHECK_PATH_VARS}; do
if [ -z "${___:=$(get_var_unsafe "${__}")}" ]; then
log_msg failexit "Error: variable \`${__}' is empty or unset.";
elif [ "${___#* *}" != "${___}" ]; then
log_msg failexit "Error: variable \`${__}' contains one or more whitespace characters.";
fi;
done;
for __ in ${CHECK_PREREQ_CMDS} $(eval echo ${CHECK_PREREQ_FILES_DYNAMIC}) ${CHECK_PREREQ_FILES}; do
if [ "${__#/}" != "${__}" ]; then
if [ ! -e "${__}" ]; then
log_msg fail "Error: missing prerequisite file \`${__}'.";
__exit=1;
fi;
else
if ! test_cmd "${__}"; then
log_msg fail "Error: missing prerequisite command \`${__}'.";
__exit=1;
fi;
fi;
done;
for __ in ${CHECK_PREREQ_PERL_MODULES}; do
if ! perl -M"${__}" -e "" 2>/dev/null; then
log_msg fail "Error: missing prerequisite Perl module \`${__}'.";
__exit=1;
fi;
done;
if [ ${__exit:-0} = 1 ]; then
exit 1;
elif [ -n "${__exit}" ]; then
unset __exit;
fi;
# Clean ${PREFIX} if requested.
if [ ${ARG_CLEAN:-0} -eq 1 ]; then
log_msg info "-c specified, cleaning prefix...";
for __ in ${CLEAR_PREFIX_DIRS}; do
if [ -e ${PREFIX}/${__} ]; then
secure_rm ${PREFIX}/${__};
fi;
done;
fi;
# Create directory hierarchy and usr -> . symlinks.
insecure_mkdir ${PREFIX} ${PREFIX_NATIVE} ${PREFIX_CROSS} ${PREFIX_TARGET}/lib ${DLCACHEDIR} ${WORKDIR};
for __ in ${PREFIX}/usr ${PREFIX_NATIVE}/usr; do
if [ ! -L "${__}" ]; then
secure_rm "${__}"; ln -sf -- . "${__}";
fi;
done;
insecure_mkdir ${PREFIX_MINIPIX}/bin;
for __ in lib libexec share; do
if [ ! -e ${PREFIX_MINIPIX}/${__} ]; then
ln -sf bin ${PREFIX_MINIPIX}/${__};
fi;
done;
if [ -e ${BUILD_LOG_FNAME} ]; then
mv -- ${BUILD_LOG_FNAME} ${BUILD_LOG_LAST_FNAME};
fi;
touch ${BUILD_STATUS_IN_PROGRESS_FNAME};
{(
BUILD_DATE_START="$(date %Y-%m-%d-%H-%M-%S)";
BUILD_NFINI=${BUILD_NSKIP:=${BUILD_NFAIL:=${BUILD_NBUILT:=0}}};
BUILD_TIMES_SECS=$(command date +%s);
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_LVL in 0 1 2 3 4 9; do
for BUILD_SCRIPT_FNAME in ${BUILD_LVL}[0-9][0-9].*.build; do
if [ -n "${ARG_RESTART_SCRIPT}" ] \
&& [ "${ARG_RESTART_SCRIPT}" != "ALL" ] \
&& [ "${ARG_RESTART_SCRIPT}" != ${BUILD_SCRIPT_FNAME} ]; then
if [ ${ARG_XTRACE:-0} -eq 0 ]; then
log_msg info "Skipped build script \`${BUILD_SCRIPT_FNAME}' (--build-scripts policy.)";
fi;
continue;
elif [ ! -f "${BUILD_SCRIPT_FNAME}" ]; then
log_msg info "Build script \`${BUILD_SCRIPT_FNAME}' non-existent or not a file.";
continue;
else
unset BUILD_SCRIPT_RC; : $((BUILD_NBUILT+=1));
if [ "${ARG_RESTART_SCRIPT}" != ALL ]\
&& is_build_script_done finish "${BUILD_SCRIPT_FNAME%.build}"; then
log_msg info "Skipped build script \`${BUILD_SCRIPT_FNAME}' (already built.)";
: $((BUILD_NSKIP+=1)); BUILD_SCRIPT_RC=0; continue;
fi;
log_msg info "Invoking build script${ARG_RESTART_SCRIPT:+ (forcibly)} \`${BUILD_SCRIPT_FNAME}'${ARG_RESTART_SCRIPT_AT:+ at build step ${ARG_RESTART_SCRIPT_AT}}.";
(set -o errexit -o noglob; \
set -- $(split . ${BUILD_SCRIPT_FNAME%%.build*}); \
SCRIPT_FNAME=${BUILD_SCRIPT_FNAME}; \
SCRIPT_NAME=${SCRIPT_FNAME%%.build*}; \
export PKG_BUILD=${BUILD}; \
export PKG_TARGET=${TARGET}; \
export PKG_PREFIX=$(get_vars_unsafe PKG_LVL${BUILD_LVL}_PREFIX \
PKG_$(echo ${2} | tr a-z A-Z)_PREFIX); \
if [ ${BUILD_LVL} -eq 9 ]; then
export PREFIX PREFIX_CROSS PREFIX_MIDIPIX PREFIX_NATIVE PREFIX_ROOT;
fi;
export MIDIPIX_BUILD_PWD=$(pwd); cd ${WORKDIR}; \
for SCRIPT_SOURCE in build.subr ${SCRIPT_NAME}.vars \
${BUILD_SCRIPT_FNAME}; do \
[ -f ${MIDIPIX_BUILD_PWD}/${SCRIPT_SOURCE} ] && \
. ${MIDIPIX_BUILD_PWD}/${SCRIPT_SOURCE}; \
done);
case ${BUILD_SCRIPT_RC:=${?}} in
0) log_msg succ "Finished build script \`${BUILD_SCRIPT_FNAME}'.";
: $((BUILD_NFINI+=1)); continue; ;;
*) log_msg fail "Build failed in build script \`${BUILD_SCRIPT_FNAME}' (last return code ${BUILD_SCRIPT_RC}.).";
: $((BUILD_NFAIL+=1)); break; ;;
esac;
fi;
done;
if [ ${BUILD_SCRIPT_RC:-0} -ne 0 ]; then
break;
fi;
done;
log_msg info "${BUILD_NFINI} finished, ${BUILD_NSKIP} skipped, and ${BUILD_NFAIL} failed builds in ${BUILD_NBUILT} build script(s).";
: $((BUILD_TIMES_SECS=$(command date +%s)-${BUILD_TIMES_SECS}));
: $((BUILD_TIMES_HOURS=${BUILD_TIMES_SECS}/3600));
: $((BUILD_TIMES_MINUTES=(${BUILD_TIMES_SECS}%3600)/60));
: $((BUILD_TIMES_SECS=(${BUILD_TIMES_SECS}%3600)%60));
log_msg info "Build time: ${BUILD_TIMES_HOURS} hour(s), ${BUILD_TIMES_MINUTES} minute(s), and ${BUILD_TIMES_SECS} second(s).";
if [ -f "${BUILD_STATUS_IN_PROGRESS_FNAME}" ]; then
secure_rm ${BUILD_STATUS_IN_PROGRESS_FNAME};
fi;
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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