sys-libs/timezone-data: fix musl issues

Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 382 insertions, 0 deletions

diff --git a/sys-libs/timezone-data/files/timezone-data-2022f-musl.patch b/sys-libs/timezone-data/files/timezone-data-2022f-musl.patch
new file mode 100644
index 000000000000..3bbb1ea2a772
--- /dev/null
+++ b/sys-libs/timezone-data/files/timezone-data-2022f-musl.patch
@@ -0,0 +1,181 @@
+https://github.com/eggert/tz/commit/a91830b783db3bb481930c67914d3c16b821f717
+https://github.com/eggert/tz/commit/dbe87fe421f76a3d1ac31082868ce60dfcbdefc4
+https://github.com/eggert/tz/commit/b037132599996358fe4774912b7405db0f5b0ee1
+https://github.com/eggert/tz/commit/317cc2c05a0acd02597e9db2b97af078630c1dde
+https://github.com/eggert/tz/commit/f4808ee8fa61b0df82337e8f0fa02ca3db598cb8
+
+From a91830b783db3bb481930c67914d3c16b821f717 Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Fri, 28 Oct 2022 22:55:10 -0700
+Subject: [PATCH] Fix tzalloc bug on platforms lacking tm_zone
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Problem reported by Đoàn Trần Công Danh in:
+https://mm.icann.org/pipermail/tz/2022-October/032153.html
+* zdump.c (tzalloc) [!USE_LOCALTIME_RZ && HAVE_SETENV]:
+Return a nonnull pointer.
+--- a/zdump.c
++++ b/zdump.c
+@@ -234,7 +234,7 @@ tzalloc(char const *val)
+     exit(EXIT_FAILURE);
+   }
+   tzset();
+-  return NULL;
++  return &progname;  /* Any valid non-null char ** will do.  */
+ # else
+   enum { TZeqlen = 3 };
+   static char const TZeq[TZeqlen] = "TZ=";
+
+From dbe87fe421f76a3d1ac31082868ce60dfcbdefc4 Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Fri, 28 Oct 2022 23:22:26 -0700
+Subject: [PATCH] Port struct tm guessing to musl
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Prompted by report from Đoàn Trần Công Danh in:
+https://mm.icann.org/pipermail/tz/2022-October/032153.html
+* private.h (TM_GMTOFF, TM_ZONE): By default, assume they
+work on musl, which #defines __tm_zone.
+--- a/private.h
++++ b/private.h
+@@ -613,6 +613,7 @@ time_t posix2time(time_t);
+ /* Infer TM_ZONE on systems where this information is known, but suppress
+    guessing if NO_TM_ZONE is defined.  Similarly for TM_GMTOFF.  */
+ #if (defined __GLIBC__ \
++     || defined __tm_zone /* musl */ \
+      || defined __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ \
+      || (defined __APPLE__ && defined __MACH__))
+ # if !defined TM_GMTOFF && !defined NO_TM_GMTOFF
+
+From b037132599996358fe4774912b7405db0f5b0ee1 Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Fri, 28 Oct 2022 23:52:59 -0700
+Subject: [PATCH] =?UTF-8?q?Don=E2=80=99t=20assume=20nonempty=20argv?=
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Don’t dump core if argv[0] is NULL, which is allowed on
+GNU/Linux if the invoker is sufficiently perverse.
+* zdump.c (progname): Now char const *, so that it can be given
+the address of a string constant.
+(tzalloc): Use optarg, not progname, since progname’s type is no
+longer correct.
+* zdump.c, zic.c (main): Initialize progname to non-null.
+--- a/zdump.c
++++ b/zdump.c
+@@ -84,7 +84,7 @@ static time_t const absolute_max_time =
+    ? (((time_t) 1 << atime_shift) - 1 + ((time_t) 1 << atime_shift))
+    : -1);
+ static int	longest;
+-static char *	progname;
++static char const *progname;
+ static bool	warned;
+ static bool	errout;
+ 
+@@ -234,7 +234,7 @@ tzalloc(char const *val)
+     exit(EXIT_FAILURE);
+   }
+   tzset();
+-  return &progname;  /* Any valid non-null char ** will do.  */
++  return &optarg;  /* Any valid non-null char ** will do.  */
+ # else
+   enum { TZeqlen = 3 };
+   static char const TZeq[TZeqlen] = "TZ=";
+@@ -463,7 +463,7 @@ main(int argc, char *argv[])
+ # endif /* defined TEXTDOMAINDIR */
+ 	textdomain(TZ_DOMAIN);
+ #endif /* HAVE_GETTEXT */
+-	progname = argv[0];
++	progname = argv[0] ? argv[0] : "zdump";
+ 	for (i = 1; i < argc; ++i)
+ 		if (strcmp(argv[i], "--version") == 0) {
+ 			printf("zdump %s%s\n", PKGVERSION, TZVERSION);
+--- a/zic.c
++++ b/zic.c
+@@ -943,7 +943,7 @@ main(int argc, char **argv)
+ 	textdomain(TZ_DOMAIN);
+ #endif /* HAVE_GETTEXT */
+ 	main_argv = argv;
+-	progname = argv[0];
++	progname = argv[0] ? argv[0] : "zic";
+ 	if (TYPE_BIT(zic_t) < 64) {
+ 		fprintf(stderr, "%s: %s\n", progname,
+ 			_("wild compilation-time specification of zic_t"));
+
+From 317cc2c05a0acd02597e9db2b97af078630c1dde Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Mon, 31 Oct 2022 12:41:48 -0700
+Subject: [PATCH] Port better to old Linux kernels
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Problem reported by Igor Ivanov in:
+https://mm.icann.org/pipermail/tz/2022-October/032192.html
+* zic.c (get_rand_u64): Don’t use clock_gettime; it’s too much of
+a configuration hassle.
+---
+ zic.c | 15 +++------------
+ 2 files changed, 5 insertions(+), 15 deletions(-)
+
+diff --git a/zic.c b/zic.c
+index a85f2a4c..14393a3d 100644
+--- a/zic.c
++++ b/zic.c
+@@ -1210,21 +1210,12 @@ get_rand_u64(void)
+ #endif
+ 
+   /* getrandom didn't work, so fall back on portable code that is
+-     not the best because the seed doesn't necessarily have enough bits,
+-     the seed isn't cryptographically random on platforms lacking
+-     getrandom, and 'rand' might not be cryptographically secure.  */
++     not the best because the seed isn't cryptographically random and
++     'rand' might not be cryptographically secure.  */
+   {
+     static bool initialized;
+     if (!initialized) {
+-      unsigned seed;
+-#ifdef CLOCK_REALTIME
+-      struct timespec now;
+-      clock_gettime (CLOCK_REALTIME, &now);
+-      seed = now.tv_sec ^ now.tv_nsec;
+-#else
+-      seed = time(NULL);
+-#endif
+-      srand(seed);
++      srand(time(NULL));
+       initialized = true;
+     }
+   }
+
+
+From f4808ee8fa61b0df82337e8f0fa02ca3db598cb8 Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Fri, 4 Nov 2022 19:57:00 -0700
+Subject: [PATCH] Fix unlikely conversion bug in zic
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+* zic.c (puttzcode): Arg is zic_t, not int_fast32_t.  This fixes a
+portability bug on platforms where int_fast32_t is a 32-bit ones’
+complement or signed-magnitude integer, and where the argument is
+-2**31 before conversion to int_fast32_t.  Although I don’t know
+of any such platforms, the C standard allows them.
+--- a/zic.c
++++ b/zic.c
+@@ -2216,7 +2216,7 @@ convert64(uint_fast64_t val, char *buf)
+ }
+ 
+ static void
+-puttzcode(const int_fast32_t val, FILE *const fp)
++puttzcode(zic_t val, FILE *fp)
+ {
+ 	char	buf[4];
+ 
+
diff --git a/sys-libs/timezone-data/timezone-data-2022f-r1.ebuild b/sys-libs/timezone-data/timezone-data-2022f-r1.ebuild
new file mode 100644
index 000000000000..7924f88d5a42
--- /dev/null
+++ b/sys-libs/timezone-data/timezone-data-2022f-r1.ebuild
@@ -0,0 +1,201 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit toolchain-funcs flag-o-matic
+
+MY_CODE_VER=${PV}
+MY_DATA_VER=${PV}
+DESCRIPTION="Timezone data (/usr/share/zoneinfo) and utilities (tzselect/zic/zdump)"
+HOMEPAGE="https://www.iana.org/time-zones"
+SRC_URI="https://www.iana.org/time-zones/repository/releases/tzdata${MY_DATA_VER}.tar.gz
+	https://www.iana.org/time-zones/repository/releases/tzcode${MY_CODE_VER}.tar.gz"
+
+LICENSE="BSD public-domain"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="nls leaps-timezone zic-slim"
+
+DEPEND="nls? ( virtual/libintl )"
+RDEPEND="
+	${DEPEND}
+	!sys-libs/glibc[vanilla(+)]
+"
+
+PATCHES=(
+	"${FILESDIR}"/${P}-musl.patch
+)
+
+src_unpack() {
+	mkdir "${S}" && cd "${S}" || die
+	default
+}
+
+src_prepare() {
+	default
+
+	# check_web contacts validator.w3.org
+	sed -i -e 's/check_tables check_web/check_tables/g' \
+		Makefile || die "Failed to disable check_web"
+
+	if tc-is-cross-compiler ; then
+		cp -pR "${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 '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' \
+		"$@"
+}
+
+src_compile() {
+	_emake \
+		AR="$(tc-getAR)" \
+		cc="$(tc-getCC)" \
+		RANLIB="$(tc-getRANLIB)" \
+		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="${LDLIBS}" \
+			zic
+	fi
+}
+
+src_test() {
+	# VALIDATE_ENV is used for extended/web based tests. Punt on them.
+	emake check VALIDATE_ENV=true
+}
+
+src_install() {
+	local zic=""
+	tc-is-cross-compiler && zic="zic=${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* "${ED}"/usr/share/man/man8/{tzselect,zdump,zic}.8 || die
+	dodoc CONTRIBUTING README NEWS *.html
+}
+
+get_TIMEZONE() {
+	local tz src="${EROOT}/etc/timezone"
+	if [[ -e ${src} ]] ; then
+		tz=$(sed -e 's:#.*::' -e 's:[[:space:]]*::g' -e '/^$/d' "${src}")
+	else
+		tz="FOOKABLOIE"
+	fi
+
+	[[ -z ${tz} ]] && return 1 || echo "${tz}"
+}
+
+pkg_preinst() {
+	local tz=$(get_TIMEZONE)
+	if [[ ${tz} == right/* || ${tz} == posix/* ]] ; then
+		eerror "The right & posix subdirs are no longer installed as subdirs -- they have been"
+		eerror "relocated to match upstream paths as sibling paths.  Further, posix/xxx is the"
+		eerror "same as xxx, so you should simply drop the posix/ prefix.  You also should not"
+		eerror "be using right/xxx for the system timezone as it breaks programs."
+		die "Please fix your timezone setting"
+	fi
+
+	# Trim the symlink by hand to avoid portage's automatic protection checks.
+	rm -f "${EROOT}"/usr/share/zoneinfo/posix
+}
+
+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 "Assuming your ${etc_lt} symlink is what you want; skipping update."
+		return 0
+	fi
+
+	if ! tz=$(get_TIMEZONE) ; then
+		einfo "Assuming your empty ${src} file is what you want; skipping update."
+		return 0
+	fi
+
+	if [[ "${tz}" == "FOOKABLOIE" ]] ; then
+		einfo "You do not have a timezone set in ${src}; skipping update."
+		return 0
+	fi
+
+	local tzpath="${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 "You may 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
+}