# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit autotools db flag-o-matic multilib-minimal toolchain-funcs

# Number of official patches
#PATCHNO=`echo ${PV}|sed -e "s,\(.*_p\)\([0-9]*\),\2,"`
PATCHNO="${PV/*.*.*_p}"
if [[ ${PATCHNO} == "${PV}" ]] ; then
	MY_PV="${PV}"
	MY_P="${P}"
	PATCHNO=0
else
	MY_PV="${PV/_p${PATCHNO}}"
	MY_P="${PN}-${MY_PV}"
fi

S="${WORKDIR}/${MY_P}/build_unix"
DESCRIPTION="Oracle Berkeley DB"
HOMEPAGE="http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html"
SRC_URI="http://download.oracle.com/berkeley-db/${MY_P}.tar.gz"
for (( i=1 ; i<=${PATCHNO} ; i++ )) ; do
	SRC_URI+=" http://www.oracle.com/technology/products/berkeley-db/db/update/${MY_PV}/patch.${MY_PV}.${i}"
done

LICENSE="Sleepycat"
SLOT="$(ver_cut 1-2)"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86"
IUSE="doc cxx tcl test"
RESTRICT="!test? ( test )"
REQUIRED_USE="test? ( tcl )"

# The entire testsuite needs the TCL functionality
DEPEND="tcl? ( >=dev-lang/tcl-8.5.15-r1:0=[${MULTILIB_USEDEP}] )
	test? ( >=dev-lang/tcl-8.5.15-r1:0=[${MULTILIB_USEDEP}] )"
RDEPEND="tcl? ( >=dev-lang/tcl-8.5.15-r1:0=[${MULTILIB_USEDEP}] )"
# Need binutils for tc-ld-force-bfd
BDEPEND="sys-devel/binutils:*"

PATCHES=(
	"${FILESDIR}"/${PN}-4.8-libtool.patch
	"${FILESDIR}"/${PN}-4.8.30-rename-atomic-compare-exchange.patch
	"${FILESDIR}"/${PN}-4.8-wformat-security.patch
	"${FILESDIR}"/${PN}-4.8.30-clang16.patch
	"${FILESDIR}"/${PN}-4.8.30-tls-configure.patch
)

src_prepare() {
	cd "${WORKDIR}"/"${MY_P}" || die
	for (( i=1 ; i<=${PATCHNO} ; i++ )); do
		eapply -p0 "${DISTDIR}"/patch."${MY_PV}"."${i}"
	done

	default

	sed -e "/^DB_RELEASE_DATE=/s/%B %e, %Y/%Y-%m-%d/" -i dist/RELEASE \
		|| die

	cd dist || die
	rm aclocal/libtool.m4 || die
	sed \
		-e '/AC_PROG_LIBTOOL$/aLT_OUTPUT' \
		-i configure.ac || die
	sed \
		-e '/^AC_PATH_TOOL/s/ sh, none/ bash, none/' \
		-i aclocal/programs.m4 || die

	AT_M4DIR="aclocal" eautoreconf

	# They do autoconf and THEN replace the version variables :(
	. ./RELEASE
	sed \
		-e "s/__EDIT_DB_VERSION_MAJOR__/$DB_VERSION_MAJOR/g" \
		-e "s/__EDIT_DB_VERSION_MINOR__/$DB_VERSION_MINOR/g" \
		-e "s/__EDIT_DB_VERSION_PATCH__/$DB_VERSION_PATCH/g" \
		-e "s/__EDIT_DB_VERSION_STRING__/$DB_VERSION_STRING/g" \
		-e "s/__EDIT_DB_VERSION_UNIQUE_NAME__/$DB_VERSION_UNIQUE_NAME/g" \
		-e "s/__EDIT_DB_VERSION__/$DB_VERSION/g" \
		-i configure || die
}

src_configure() {
	# Force bfd before calling multilib_toolchain_setup
	tc-ld-force-bfd #470634 #729510
	multilib-minimal_src_configure
}

multilib_src_configure() {
	local myconf=(
		--enable-compat185
		--enable-o_direct
		--without-uniquename
		--disable-static
		--disable-java
		$([[ ${ABI} == amd64 ]] && echo --with-mutex=x86/gcc-assembly)
		$(use_enable cxx)
		$(use_enable cxx stl)
		$(use_enable test)
	)

	# compilation with -O0 fails on amd64, see bug #171231
	if [[ ${ABI} == amd64 ]]; then
		local CFLAGS=${CFLAGS} CXXFLAGS=${CXXFLAGS}
		replace-flags -O0 -O2
		is-flagq -O[s123] || append-flags -O2
	fi

	# Add linker versions to the symbols. Easier to do, and safer than header file
	# mumbo jumbo.
	append-ldflags -Wl,--default-symver

	# Bug #270851: test needs TCL support
	if use tcl || use test ; then
		myconf+=(
			--enable-tcl
			--with-tcl="${EPREFIX}/usr/$(get_libdir)"
		)
	else
		myconf+=(--disable-tcl )
	fi

	ECONF_SOURCE="${S}"/../dist STRIP="true" econf "${myconf[@]}"

	# The embedded assembly on ARM does not work on newer hardware
	# so you CANNOT use --with-mutex=ARM/gcc-assembly anymore.
	# Specifically, it uses the SWPB op, which was deprecated:
	# http://www.keil.com/support/man/docs/armasm/armasm_dom1361289909499.htm
	# The op ALSO cannot be used in ARM-Thumb mode.
	# Trust the compiler instead.
	# >=db-6.1 uses LDREX instead.
}

multilib_src_test() {
	multilib_is_native_abi || return

	S="${BUILD_DIR}" db_src_test
}

multilib_src_install() {
	emake install DESTDIR="${D}"

	db_src_install_headerslot

	db_src_install_usrlibcleanup
}

multilib_src_install_all() {
	db_src_install_usrbinslot

	db_src_install_doc

	dodir /usr/sbin
	# This file is not always built, and no longer exists as of db-4.8
	if [[ -f "${ED}"/usr/bin/berkeley_db_svc ]] ; then
		mv "${ED}"/usr/bin/berkeley_db_svc \
			"${ED}"/usr/sbin/berkeley_db"${SLOT/./}"_svc || die
	fi

	# no static libraries
	find "${ED}" -name '*.la' -delete || die
}

pkg_postinst() {
	multilib_foreach_abi db_fix_so
}

pkg_postrm() {
	multilib_foreach_abi db_fix_so
}