# Template file for 'bc'
pkgname=bc
version=1.07.1
revision=5
build_style=gnu-configure
configure_args="--with-readline"
hostmakedepends="ed flex texinfo"
makedepends="readline-devel"
short_desc="Arbitrary precision numeric processing language"
maintainer="Enno Boland <gottox@voidlinux.org>"
license="GPL-3.0-or-later"
homepage="http://www.gnu.org/software/${pkgname}/"
distfiles="${GNU_SITE}/${pkgname}/${pkgname}-${version}.tar.gz"
checksum=62adfca89b0a1c0164c2cdca59ca210c1d44c3ffc46daf9931cf4942664cb02a
alternatives="
 bc:bc:/usr/bin/gnu-bc
 bc:bc.1:/usr/share/man/man1/gnu-bc.1
 dc:dc:/usr/bin/gnu-dc
 dc:dc.1:/usr/share/man/man1/gnu-dc.1"
disable_parallel_build=yes

if [ "$CROSS_BUILD" ]; then
	hostmakedepends+=" bc"
	pre_build() {
		# don’t run target built binary 'fbc';
		# run host 'bc' instead
		sed -i -e 's|^\(\s\+\)./fbc|\1bc|g' bc/Makefile
	}
fi
do_build() {
	make ${makejobs} LEX="flex -I"
}
do_check() {
	# LFS tells us that there are 10 know failures
	# What happens here
	# 1. echo "quit" so bc will quit after running Test/checklib.b
	# 2. tee to /dev/tty so the Maintainer will see the output of the tests
	# 3. grep the Total failures for any number between 1 and 199
	# 4. cut Total failures: from the numbers
	# 5. use awk to sum the numbers
	failures="$(echo "quit" | ./bc/bc -l Test/checklib.b | tee /dev/tty | grep 'Total failures: [1-9]\|1[0-9]\|1[0-9][0-9]' | cut -d: -f2 | awk '{s+=$1} END {print s}' )"

	# 6. Check if there are more than then 10 Know test failures as pointed by LFS
	# http://www.linuxfromscratch.org/lfs/view/development/chapter06/bc.html
	if [ "$failures" -gt 10 ]; then
		echo "THERE ARE MORE THAN THE 10 KNOW FAILURES"
		return 1
	else
		echo "TESTS PASSED"
	fi
}
post_install() {
	mv ${DESTDIR}/usr/bin/{,gnu-}bc
	mv ${DESTDIR}/usr/bin/{,gnu-}dc
	mv ${DESTDIR}/usr/share/man/man1/{,gnu-}bc.1
	mv ${DESTDIR}/usr/share/man/man1/{,gnu-}dc.1
}