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# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit toolchain-funcs flag-o-matic unpacker
DESCRIPTION="Timezone data (/usr/share/zoneinfo) and utilities (tzselect/zic/zdump)"
HOMEPAGE="https://www.iana.org/time-zones"
SRC_URI="
https://data.iana.org/time-zones/releases/tzdb-${PV}.tar.lz
"
S="${WORKDIR}"/tzdb-${PV}
LICENSE="BSD public-domain"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
IUSE="nls leaps-timezone zic-slim"
DEPEND="nls? ( virtual/libintl )"
RDEPEND="
${DEPEND}
!sys-libs/glibc[vanilla(+)]
"
BDEPEND="$(unpacker_src_uri_depends)"
src_prepare() {
default
if tc-is-cross-compiler ; then
cp -pR "${S}" "${S}"-native || die
fi
}
src_configure() {
tc-export CC
# bug #471102
append-lfs-flags
if use elibc_Darwin ; then
# bug #138251
append-cppflags -DSTD_INSPIRED
fi
append-cppflags -DHAVE_GETTEXT=$(usex nls 1 0) -DTZ_DOMAIN='\"libc\"'
# Upstream default is 'slim', but it breaks quite a few programs
# that parse /etc/localtime directly: bug #747538.
append-cppflags -DZIC_BLOAT_DEFAULT='\"'$(usex zic-slim slim fat)'\"'
LDLIBS=""
if use nls ; then
# See if an external libintl is available. bug #154181, bug #578424
local c="${T}/test"
echo 'int main(){}' > "${c}.c" || die
if $(tc-getCC) ${CPPFLAGS} ${CFLAGS} ${LDFLAGS} "${c}.c" -o "${c}" -lintl 2>/dev/null ; then
LDLIBS+=" -lintl"
fi
fi
}
_emake() {
emake \
REDO=$(usex leaps-timezone posix_right posix_only) \
TOPDIR="${EPREFIX}" \
ZICDIR='$(TOPDIR)/usr/bin' \
"$@"
}
src_compile() {
tc-export AR CC RANLIB
_emake \
CFLAGS="${CFLAGS} -std=gnu99 ${CPPFLAGS}" \
LDFLAGS="${LDFLAGS}" \
LDLIBS="${LDLIBS}"
if tc-is-cross-compiler ; then
_emake -C "${S}"-native \
AR="$(tc-getBUILD_AR)" \
CC="$(tc-getBUILD_CC)" \
RANLIB="$(tc-getBUILD_RANLIB)" \
CFLAGS="${BUILD_CFLAGS} ${BUILD_CPPFLAGS}" \
LDFLAGS="${BUILD_LDFLAGS}" \
LDLIBS="${LDLIBS}" \
zic
fi
}
src_test() {
# CURL is used for extended/web based tests. Punt on them.
emake check CURL=:
}
src_install() {
local zic=""
tc-is-cross-compiler && zic="zic=${S}-native/zic"
_emake install ${zic} DESTDIR="${D}" LIBDIR="/nukeit"
rm -rf "${D}/nukeit" "${ED}/etc" || die
insinto /usr/share/zoneinfo
doins "${S}"/leap-seconds.list
# Delete man pages installed by man-pages package.
rm "${ED}"/usr/share/man/man5/tzfile.5* "${ED}"/usr/share/man/man8/{tzselect,zdump,zic}.8 || die
dodoc CONTRIBUTING README NEWS *.html
}
configure_tz_data() {
# Make sure the /etc/localtime file does not get stale, bug #127899
local tz src="${EROOT}/etc/timezone" etc_lt="${EROOT}/etc/localtime"
# If it's a symlink, assume the user knows what they're doing and
# they're managing it themselves, bug #511474
if [[ -L "${etc_lt}" ]] ; then
einfo "Skipping update: ${etc_lt} is a symlink."
if [[ -e ${src} ]]; then
einfo "Removing ${src}."
rm "${src}"
fi
return 0
fi
if [[ ! -e ${src} ]] ; then
einfo "Skipping update: ${src} does not exist."
return 0
fi
tz=$(sed -e 's:#.*::' -e 's:[[:space:]]*::g' -e '/^$/d' "${src}")
if [[ -z ${tz} ]]; then
einfo "Skipping update: ${src} is empty."
return 0
fi
local tzpath="${EROOT}/usr/share/zoneinfo/${tz}"
if [[ ! -e ${tzpath} ]]; then
ewarn "The timezone specified in ${src} is not valid!"
return 1
fi
if [[ -f ${etc_lt} ]]; then
# If a regular file already exists, copy over it.
ewarn "Found a regular file at ${etc_lt}."
ewarn "Some software may expect a symlink instead."
ewarn "Convert it to a symlink by removing the file and running:"
ewarn " emerge --config sys-libs/timezone-data"
einfo "Copying ${tzpath} to ${etc_lt}."
cp -f "${tzpath}" "${etc_lt}"
else
# Otherwise, create a symlink and remove the timezone file.
tzpath="../usr/share/zoneinfo/${tz}"
einfo "Linking ${tzpath} at ${etc_lt}."
if ln -snf "${tzpath}" "${etc_lt}"; then
einfo "Removing ${src}."
rm -f "${src}"
fi
fi
}
pkg_config() {
configure_tz_data
}
pkg_postinst() {
configure_tz_data
}
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