Blame subr/pre_setup_env.subr

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#
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# set -o errexit -o noglob are assumed.
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#
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pre_setup_env() {
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	local __;
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	if [ -z "${DEFAULT_BUILD_CPUS}" ]\
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	&& [ -e /proc/cpuinfo ]; then
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		DEFAULT_BUILD_CPUS=$(awk '/^processor/{cpus++} END{print cpus}' /proc/cpuinfo);
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	fi;
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	: ${ARCH:=nt64}; : ${BUILD:=debug};
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	if [ "${ARCH}" = nt32 ]; then
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		TARGET="i686-nt32-midipix";
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	elif [ "${ARCH}" = nt64 ]; then
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		TARGET="x86_64-nt64-midipix";
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	else
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		if [ "${BUILD}" != debug ]\
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		&& [ "${BUILD}" != release ]; then
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			log_msg failexit "Error: unknown build type \`${BUILD}'.";
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		fi;
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		log_msg failexit "Error: invalid architecture \`${ARCH}'.";
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	fi;
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	for __ in ${HOME}/midipix_build.vars ../midipix_build.vars ./vars/env.vars ./vars/build.vars; do
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		[ -e ${__} ] && . ${__};
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	done;
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	export PATH="${PREFIX}/bin${PATH:+:${PATH}}";
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	if [ ${ARG_IPV4_ONLY:-0} -eq 1 ]; then
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		DEFAULT_WGET_ARGS="-4${DEFAULT_WGET_ARGS:+ ${DEFAULT_WGET_ARGS}}";
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	elif [ ${ARG_IPV6_ONLY:-0} -eq 1 ]; then
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		DEFAULT_WGET_ARGS="-6${DEFAULT_WGET_ARGS:+ ${DEFAULT_WGET_ARGS}}";
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	fi;
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	for __ in $(export | sed -e 's/^export //' -e 's/=.*$//'); do
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		if ! lmatch "${CLEAR_ENV_VARS_EXCEPT}" " " "${__}"; then
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			unset "${__}";
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		fi;
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	done;
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};
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# vim:filetype=sh