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#!/usr/bin/env build

build_make_compile_cleanup()
{
	ret=$?

	if [ ${ret} -ne 0 ]; then
		echo "error: compile failed for ${CATEGORY}/${NAME}" >&2
		echo "logfile: '${PKG_LOGFILE}'" >&2
		exit ${ret}
	fi
	exit 0
}

build_compile()
{
	if [ -f "configure" ]; then
		./configure	--host="${CHOST}"			\
				--prefix=/usr				\
				--sysconfdir=/etc			\
				--mandir=/usr/share/man			\
				--docdir=/usr/share/doc			\
				--disable-dependency-tracking		\
				--with-sysroot="${SYSROOT}"		\
				--with-libtool-sysroot="${SYSROOT}"	\
				${CONFIG_OPTS}
	fi

	make ${MAKE_OPTS}
	make DESTDIR="${D}" install
}
pkg_compile() { build_compile; }

build_make_compile()
{(
	trap build_make_compile_cleanup 0
	load_rules "${1}"

	# Declare compilation variables before loading the rules as the package
	# may potentially overwrite this data, in particular the toolchain data
	# is usually rewritten within the toolchain/buildtools rule.
	echo "compiling: ${1}"
	mkenv "compile"
	PKG_LOGFILE="${L}/compile.log"

	build uninstall "${1}" >> "${PKG_LOGFILE}"

	# Don't pass along the builder jobcontrol data to child processes
	unset MAKEFLAGS

	load_rules "${1}"

	## Build the source and install it into the DESTDIR
	# Ironically this is the heart of what the build-engine does, and yet it has
	# been reduced to the simplest component of the entire system.
	cd "${S}"
	echo '## environ: pkg_compile()' >> "${PKG_LOGFILE}"
	env >> "${PKG_LOGFILE}"
	echo '## environ: end ' >> "${PKG_LOGFILE}"
	pkg_compile >> "${PKG_LOGFILE}" 2>&1

	## Save Space!
	# At this point everything important should be installed into ${D}, and
	# any form of reruning the build will remove ${W} before prepping it
	# for build, so we might as well gut it now.  About the best option we
	# could do would be to avoid gutting this when being run in --debug
	# mode.
	if test "${BUILDER_DEBUG:-0}" -eq '0'; then
		find "${W}" -delete &
	fi

	##
	# Generate the file index.  This is done as a 0 delimited file stored
	# within the destination filesystem.  This allows for easy checking of
	# the installed data as well as easy removal of individual binary
	# packages from the sysroot.
	mkdir -p "${D}/var/db/binpkgs/${CATEGORY}"
	binpkg_list="$(mktemp "${T}/binpkg.XXXXXXXX")"
	if [ ! -e "${binpkg_list}" ]; then
		die "failed to create package inventory"
	fi
	cd "${D}"
	for dir in man usr/man usr/share/man; do
		test -d "${dir}" || continue
		for file in `find "${dir}" -regex '.*[1-9]$'`; do
			if test -f "${file}"; then
				gzip -c -9 "${file}" > "${file}.gz" && rm "${file}"
			elif test -h "${file}"; then
				mv "${file}" "${file}.gz"
			fi
		done
		wait
	done
	wait
	find * -depth \( ! -type d \) -print0 > "${binpkg_list}"
	mv "${binpkg_list}" "${D}/var/db/binpkgs/${CATEGORY}/${NAME}"

	date >> "${BUILDER_TMPDIR}/${CATEGORY}/${NAME}/.compile"
)}

if test "${BUILDER_CALL_STACK}" = '__main__'; then
	simple_usage 'compile' '[all|[<category>/]<package|all>]' "$@"
	build_make_compile "${@}"
fi

# vim: filetype=sh