# Template file for 'icu'
# NOTE: Please convert this package to support progressive updates with the
#       next soname bump.
pkgname=icu
version=69.1
revision=2
wrksrc=icu
build_wrksrc=source
build_style=gnu-configure
# use archive data instead of .so data for correct cross-compiling
configure_args="--with-data-packaging=archive --enable-static"
hostmakedepends="pkg-config"
checkdepends="diffutils python3"
short_desc="Robust and fully-featured Unicode libraries"
maintainer="Randy McCaskill <randy@mccaskill.us>"
license="ICU"
homepage="https://home.unicode.org/"
distfiles="https://github.com/unicode-org/icu/releases/download/release-${version//./-}/icu4c-${version//./_}-src.tgz"
checksum=4cba7b7acd1d3c42c44bb0c14be6637098c7faf2b330ce876bc5f3b915d09745

CFLAGS=-fPIC
CXXFLAGS=-fPIC

if [ "$CROSS_BUILD" ]; then
	configure_args+=" --with-cross-build=${XBPS_BUILDDIR}/${wrksrc}/host-icu"
fi

# we will be managing icudata manually, because when cross-compiling for
# another endianness the output data is broken... fortunately, we can use
# icupkg to convert host-endianness data to target-endianness data
_icu_dat="icudt${version%.*}"
_icu_data="source/data/in"

pre_configure() {

	# strtod_l() is not supported by musl; also xlocale.h is missing
	# It is not possible to disable its use via configure switches or env vars
	# so monkey patching is needed. Idea was stollen from openembedded
	# https://github.com/openembedded/openembedded-core/blob/master/meta/recipes-support/icu/icu.inc#L30
	# http://git.alpinelinux.org/cgit/aports/tree/main/icu/APKBUILD?id=46736e7b8040becc9f69ad6d2c2d317a52d5485b#n34
	case "${XBPS_TARGET_MACHINE}" in
	*-musl) sed -i -e 's,DU_HAVE_STRTOD_L=1,DU_HAVE_STRTOD_L=0,' configure ;;
	esac

	if [ "$CROSS_BUILD" ]; then
		# Configure and build for host.
		mkdir host-build
		(
		cd host-build
		env CC=cc LD=ld CXX=g++ AR=ar RANLIB=ranlib \
			AS=as STRIP=strip CFLAGS="-Os -fPIE" CXXFLAGS="-Os -fPIE" \
			LDFLAGS="" ../configure --prefix=/
		make ${makejobs}
		mkdir -p ${wrksrc}/host-icu/config
		cp config/icucross.* ${wrksrc}/host-icu/config
		make DESTDIR=${wrksrc}/host-icu install
		mv ${wrksrc}/host-icu/sbin/* ${wrksrc}/host-icu/bin
		make distclean
		)
	fi

	# libicudata must be linked to libc, otherwise it's soft-float on ARM.
	# probably other stuff breaks too, so let's just do it.
	# See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=653457
	sed -e 's,-nostdlib,,g' -i ${wrksrc}/source/config/mh-linux

	export CFLAGS="${CFLAGS} -DICU_DATA_DIR=\\\"/usr/share/icu/${version}\\\""
	export CXXFLAGS="${CFLAGS} -DICU_DATA_DIR=\\\"/usr/share/icu/${version}\\\""

	# makefile dependency bug: this directory needs to be created manually
	mkdir -p ${wrksrc}/source/data/out/tmp
}

post_install() {
	vlicense $wrksrc/LICENSE

	# handled separately
	rm -f ${DESTDIR}/usr/share/icu/${version}/${_icu_dat}${XBPS_TARGET_ENDIAN%e}.dat

	# for little endian just use the file that's there
	if [ "$XBPS_TARGET_ENDIAN" != "be" ]; then
		return
	fi

	# for big endian, we need to convert the file that's there with icupkg
	local _icupkg_path="${DESTDIR}/usr"
	if [ "$CROSS_BUILD" ]; then
		_icupkg_path="${wrksrc}/host-icu"
	fi

	rm -f ${wrksrc}/${_icu_data}/${_icu_dat}b.dat

	LD_LIBRARY_PATH="${_icupkg_path}/lib" ${_icupkg_path}/bin/icupkg -tb \
	 ${wrksrc}/${_icu_data}/${_icu_dat}l.dat \
	 ${wrksrc}/${_icu_data}/${_icu_dat}b.dat
}

icu-devel_package() {
	depends="icu-libs>=${version}_${revision}"
	short_desc+=" - development files"
	pkg_install() {
		vmove usr/include
		vmove usr/lib/icu
		vmove "usr/lib/*.a"
		vmove usr/lib/pkgconfig
		vmove usr/share/icu
		vmove usr/bin/icu-config
		vmove "usr/share/man/man1/icu-config*"
		vmove "usr/lib/*.so"
	}
}
icu-libs_package() {
	short_desc+=" - shared libs"
	pkg_install() {
		vmove "usr/lib/*.so.*"

		# install data manually
		vmkdir "usr/share/icu/${version}"
		install -Dm644 \
			${wrksrc}/${_icu_data}/${_icu_dat}${XBPS_TARGET_ENDIAN%e}.dat \
			${PKGDESTDIR}/usr/share/icu/${version}
	}
}