#!/bin/ksh93

SRCURL='http://download.icu-project.org/files/icu4c/'

VERSION=55.1.1
ICU_VERS=55.1

# Als soname Version string nutzen wir (ICU-Major - 48), und
# _nicht_ ICU-Major.ICU-Minor, damit wir 'ne Kollision mit denen die bei Solaris
# oder anderen Apps mitkommen definitiv ausschließen können.
SO_VERS=7
SRC=${SOURCE}/text
TMPBUILD=${BUILD}/icu4c-${VERSION}

. ${.sh.file%/*}/../../../etc/buildfunctions.sh

# IBM people obviously still have not found out, that there is more than
# just LD_LIBRARY_PATH! Abbused all over the place!
[[ -n ${ARCH_DIR} ]] && LD_LIBRARY_PATH=${LD_LIBRARY_PATH_64} || \
	LD_LIBRARY_PATH=${LD_LIBRARY_PATH_32}
unset LD_LIBRARY_PATH_32 LD_LIBRARY_PATH_64

function doPrepare {
	rm -rf ${BUILD}/icu
	prepareRoot4build

	${TAR} xzf ${SRC}/icu4c-${ICU_VERS//./_}-src.tgz
	mv icu/* ${TMPBUILD}
	cd ${TMPBUILD} || exit 1
	rmdir ../icu
	cp ${SCRIPTDIR}/c_origin.* source/common/

	for p in ~(N)${SDIR}/patches/*.patch ~(N)${SDIR}/*.patch ; do
		gpatch -p1 -E -b -z .orig < $p
	done
	# http://source.icu-project.org/repos/icu/icu/trunk/readme.html#RecBuild
	# i.e. use library entry point names without ICU version suffix. We do this,
	# so that we not need to remember it, when compiling other stuff:
	${SED} -i \
		-e "s/#define U_DISABLE_RENAMING 0/#define U_DISABLE_RENAMING 1/" \
		source/common/unicode/uconfig.h
	# kansas-city shuffle:
	# just patching source/common/unicode/uvernum.h does not work, since
	# several file names are hardcoded to *55*, e.g. source/data/in/icudt55l.dat
	# and even internal binary data. So we just change the name outside: 
	${SED} -i -e "/^SO_TARGET_VERSION_MAJOR/ s,=.*,= ${SO_VERS}," \
		source/icudefs.mk.in
	# NOTE that we patched pkgdata as well, because it produces bullshit -
	# has no notion of SO_TARGET_VERSION_MAJOR.
	find source -name pkgdataMakefile.in \
		-exec ${SED} -r -i -e "/LIB_EXT_ORDER/ s,=[^)]+.,=.${SO_VERS}," {} +
	# This is the only place, where it works: needs to appear AFTER all *.o
	# and thus appending it to source/config/mh-solaris:SHLIB.cc would be
	# useless (icu builds do ${SHLIB.cc} *.o $icudata_stuff ${DEFAULT_LIBS}
	print 'DEFAULT_LIBS=-norunpath -lstdc++ -lgcc_s -lm -lc -Bstatic -lCrunG3' \
		>source/icudefs.local
}

function doMake {
	cd ${TMPBUILD}/source || exit 1

	OPTS=( '--prefix=/usr'
		'--enable-shared'
		'--disable-static'
		'--disable-rpath'
		'--enable-extras'
		'--enable-icuio'
		'--enable-layoutex'
		'--disable-renaming'
		# deprecated, however, we do not wanna have a circular dependency to
		# harfbuzz - see http://userguide.icu-project.org/layoutengine/paragraph
		'--enable-layout'
		'--enable-tools'
		'--enable-draft'	# fixes also CVE-2014-9654.patch
		'--disable-tests'
		'--disable-samples'
		'--with-data-packaging=library'
	)

	# -std=c++03 is needed since icu needs -xustr=ascii_utf16_ushort, which is
	# not allowed for c++11. Also graphite2 needs at least c++03.
	CXX+=' -std=c++03' CC+=' -std=c99 -D_XPG6'
	L_CPPFLAGS+=' -xustr=ascii_utf16_ushort -features=conststrings'
	CFLAGS="${L_CFLAGS}" CPPFLAGS="${L_CPPFLAGS}" CXXFLAGS="${L_CXXFLAGS}" \
	LDFLAGS="${L_LDFLAGS}" \
	./configure "${OPTS[@]}"

	Log.info "make log goes to ${MAKELOG}"
	gmake VERBOSE=1 2>&1 1>${MAKELOG} | tee /tmp/stderr.log
}

function doPackage {
	cd ${TMPBUILD}/source || exit 1
	clean_dst ${PROTO}
	gmake install VERBOSE=1 DESTDIR=${PROTO}

	${SED} -r -i -e '/^GENLIB/ s,-staticlib=[^ ]+ *,,' \
		-e "s,-[IL]${ROOT4BUILD}[^ ]+ *,,g" \
		${PROTO}/usr/lib/icu/${ICU_VERS}/pkgdata.inc
	${SED} -i -e '/^prefix/ s,=.*,= @CLIENT_BASEDIR@,' \
		-e "/^libdir/ s,$,${ARCH_DIR}," \
		${PROTO}/usr/lib/icu/${ICU_VERS}/Makefile.inc
	${SED} -i -e '/^#[^ ]/ d' -e '/^CXX/ s,$,-std=c++03,' \
		-e '/# Copy/ {g;N;s|\n|# if in doubts, have a look at ../icu/pkgdata.inc|}' \
		-e '/^# end of/ s,^.*,,' -e '/^# C/ d' \
		-e '/^prefix/ s,=.*,= @CLIENT_BASEDIR@,' \
		-e "/^libdir/ s,$,${ARCH_DIR}," \
		${PROTO}/usr/lib/pkgconfig/*.pc
	${SED} -r -i -e '/^default_prefix=/ s,=.*,="@CLIENT_BASEDIR@",' \
		-e '/^LDLIBRARYPATH_ENVVAR=/ a\[ "x${LD_LIBRARY_PATH_32}" != "x" -o "x${LD_LIBRARY_PATH_64}" != "x" ] && \
	LDLIBRARYPATH_ENVVAR="LD_LIBRARY_PATH_64"' \
		-e '/^(CC|CPP)=/ { s, *-std=c99,, ; s, *-D_XPG6,, }' \
		-e "/^libdir=/ s,\"$,${ARCH_DIR}\"," \
		${PROTO}/usr/bin/icu-config
	rm -f ${PROTO}/usr/share/icu/55.1/license.html
	ln -s ../../doc/icu/license.html ${PROTO}/usr/share/icu/55.1/license.html

	if [[ -n ${ARCH_DIR} ]]; then
		mkdir ${PROTO}/usr/lib${ARCH_DIR}
		mv ${PROTO}/usr/lib/{lib,pkg}* ${PROTO}/usr/lib${ARCH_DIR}/
	fi

	pkginfo2arch

	cat>${TMPBUILD}/prototype.lnf<<EOF
i pkginfo=${TMPBUILD}/pkginfo.lnf
i depend=${SDIR}/depend
i i.rename=${SCRIPTDIR}/i.rename
d none share ? ? ?
d none share/doc ? ? ?
d none share/doc/icu ? ? ?
EOF

	pkgproto ${PROTO}/usr/= |  nawk '{
		if ( $1 == "l" || $1 == "s" ) {
			print
		} else if ( $1 == "d" ) {
			if ( $3 !~ "/" || $3 !~ "/(icu|layout|unicode)($|/)" ) {
				print $1, $2, $3, "? ? ?"
			} else {
				print $1, $2, $3, $4, "bin bin"
			}
		} else if ( $3 ~ "\.(pc|inc)=" || $3 ~ "/icu-config=" ) {
			print $1, "rename", $3, $4, "bin bin"
		} else {
			print $1, $2, $3, $4, "bin bin"
		}
	}' >>${TMPBUILD}/prototype.lnf

	cat>${TMPBUILD}/docs.txt<<EOF
Additional developer docs can be downloaded via
http://download.icu-project.org/files/icu4c/55.1/icu4c-${ICU_VERS//./_}-docs.zip

This information is also available via http://site.icu-project.org/.
EOF

	for X in ${TMPBUILD}/*.{html,css,txt} ; do
		print "f none share/doc/icu/${X##*/}=$X 0644 bin bin"
	done >>${TMPBUILD}/prototype.lnf

	call_pkgmk ${TMPBUILD}/prototype.lnf

	unrelocate4ips pkginfo.lnf:/local/usr
	unset PDIRS ; typeset -a PDIRS
	createIPS -p 'library' -c 'System/Internationalization' -s ${SRCURL} \
		-C CVE-2013-5907 -C CVE-2014-6585 -C CVE-2015-1270 -C CVE-2015-2632 \
		-C CVE-2015-4760 \
		-M usr2local.usr PDIRS
	publishIPS PDIRS
}

doBuild "$@"