commit:     70ff00af11cc1367b647d26d1778ff806b96d127
Author:     Matt Jolly <kangie <AT> gentoo <DOT> org>
AuthorDate: Thu Sep 18 06:26:21 2025 +0000
Commit:     Matt Jolly <kangie <AT> gentoo <DOT> org>
CommitDate: Thu Sep 18 06:30:40 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=70ff00af

net-misc/curl: add 8.16.0-r1

There were a few regressions in this release, but nothing patch-worthy.

Signed-off-by: Matt Jolly <kangie <AT> gentoo.org>

 net-misc/curl/curl-8.16.0-r1.ebuild                | 441 +++++++++++++++++++++
 .../curl/files/curl-8.16.0-pthread_cancel.patch    | 399 +++++++++++++++++++
 .../curl/files/curl-8.16.0-ssl_verifyhost.patch    |  63 +++
 3 files changed, 903 insertions(+)

diff --git a/net-misc/curl/curl-8.16.0-r1.ebuild 
b/net-misc/curl/curl-8.16.0-r1.ebuild
new file mode 100644
index 000000000000..5e1eb5151ca8
--- /dev/null
+++ b/net-misc/curl/curl-8.16.0-r1.ebuild
@@ -0,0 +1,441 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# Maintainers should subscribe to the 'curl-distros' ML for backports etc
+# https://daniel.haxx.se/blog/2024/03/25/curl-distro-report/
+# https://lists.haxx.se/listinfo/curl-distros
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/danielstenberg.asc
+inherit autotools multilib-minimal multiprocessing prefix toolchain-funcs 
verify-sig
+
+DESCRIPTION="A Client that groks URLs"
+HOMEPAGE="https://curl.se/";
+
+if [[ ${PV} == 9999 ]]; then
+       inherit git-r3
+       EGIT_REPO_URI="https://github.com/curl/curl.git";
+else
+       if [[ ${P} == *rc* ]]; then
+               CURL_URI="https://curl.se/rc/";
+               S="${WORKDIR}/${P//_/-}"
+       else
+               CURL_URI="https://curl.se/download/";
+               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"
+       fi
+       SRC_URI="
+               ${CURL_URI}${P//_/-}.tar.xz
+               verify-sig? ( ${CURL_URI}${P//_/-}.tar.xz.asc )
+       "
+fi
+
+LICENSE="BSD curl ISC test? ( BSD-4 )"
+SLOT="0"
+IUSE="+adns +alt-svc brotli debug ech +ftp gnutls gopher +hsts +http2 +http3 
+httpsrr idn +imap kerberos ldap"
+IUSE+=" mbedtls +openssl +pop3 +psl +quic rtmp rustls samba sasl-scram +smtp 
ssh ssl static-libs test"
+IUSE+=" telnet +tftp +websockets zstd"
+# These select the default tls implementation / which quic impl to use
+IUSE+=" +curl_quic_openssl curl_quic_ngtcp2 curl_ssl_gnutls curl_ssl_mbedtls 
+curl_ssl_openssl curl_ssl_rustls"
+RESTRICT="!test? ( test )"
+
+# HTTPS RR is technically usable with the threaded resolver, but it still uses 
c-ares to
+# ask for the HTTPS RR record type; if DoH is in use the HTTPS record will be 
requested
+# in addition to A and AAAA records.
+
+# To simplify dependency management in the ebuild we'll require c-ares for 
HTTPS RR (for now?).
+# HTTPS RR in cURL is a dependency for:
+# - ECH (requires patched openssl or gnutls currently, enabled with rustls)
+# - Fetching the ALPN list which should provide a better HTTP/3 experience.
+
+# Only one default ssl / quic provider can be enabled
+# The default provider needs its USE satisfied
+# HTTP/3 and MultiSSL are mutually exclusive; it's not clear if MultiSSL 
offers any benefit at all in the modern day.
+# https://github.com/curl/curl/commit/65ece771f4602107d9cdd339dff4b420280a2c2e
+REQUIRED_USE="
+       ech? ( rustls )
+       httpsrr? ( adns )
+       quic? (
+               ^^ (
+                       curl_quic_openssl
+                       curl_quic_ngtcp2
+               )
+               http3
+               ssl
+       )
+       ssl? (
+               ^^ (
+                       curl_ssl_gnutls
+                       curl_ssl_mbedtls
+                       curl_ssl_openssl
+                       curl_ssl_rustls
+               )
+       )
+       curl_quic_openssl? (
+               curl_ssl_openssl
+               !gnutls
+               !mbedtls
+               !rustls
+       )
+       curl_quic_ngtcp2? (
+               curl_ssl_gnutls
+               !mbedtls
+               !openssl
+               !rustls
+       )
+       curl_ssl_gnutls? ( gnutls )
+       curl_ssl_mbedtls? ( mbedtls )
+       curl_ssl_openssl? ( openssl )
+       curl_ssl_rustls? ( rustls )
+       http3? ( alt-svc httpsrr quic )
+"
+
+# cURL's docs and CI/CD are great resources for confirming supported versions
+# particulary for fast-moving targets like HTTP/2 and TCP/2 e.g.:
+# - https://github.com/curl/curl/blob/master/docs/INTERNALS.md (core 
dependencies + minimum versions)
+# - https://github.com/curl/curl/blob/master/docs/HTTP3.md (example of a 
feature that moves quickly)
+# - https://github.com/curl/curl/blob/master/.github/workflows/http3-linux.yml 
(CI/CD for TCP/2)
+# However 'supported' vs 'works' are two entirely different things; be sane but
+# don't be afraid to require a later version.
+# ngtcp2 = https://bugs.gentoo.org/912029 - can only build with one tls 
backend at a time.
+RDEPEND="
+       >=sys-libs/zlib-1.2.5[${MULTILIB_USEDEP}]
+       adns? ( >=net-dns/c-ares-1.16.0:=[${MULTILIB_USEDEP}] )
+       brotli? ( app-arch/brotli:=[${MULTILIB_USEDEP}] )
+       http2? ( >=net-libs/nghttp2-1.15.0:=[${MULTILIB_USEDEP}] )
+       http3? ( >=net-libs/nghttp3-1.1.0[${MULTILIB_USEDEP}] )
+       idn? ( >=net-dns/libidn2-2.0.0:=[static-libs?,${MULTILIB_USEDEP}] )
+       kerberos? ( >=virtual/krb5-0-r1[${MULTILIB_USEDEP}] )
+       ldap? ( >=net-nds/openldap-2.0.0:=[static-libs?,${MULTILIB_USEDEP}] )
+       psl? ( net-libs/libpsl[${MULTILIB_USEDEP}] )
+       quic? (
+               curl_quic_openssl? ( 
>=dev-libs/openssl-3.3.0:=[quic,${MULTILIB_USEDEP}] )
+               curl_quic_ngtcp2? ( 
>=net-libs/ngtcp2-1.2.0[gnutls,ssl,-openssl,${MULTILIB_USEDEP}] )
+       )
+       rtmp? ( media-video/rtmpdump[${MULTILIB_USEDEP}] )
+       ssh? ( >=net-libs/libssh2-1.2.8[${MULTILIB_USEDEP}] )
+       sasl-scram? ( >=net-misc/gsasl-2.2.0[static-libs?,${MULTILIB_USEDEP}] )
+       ssl? (
+               gnutls? (
+                       app-misc/ca-certificates
+                       
>=net-libs/gnutls-3.1.10:=[static-libs?,${MULTILIB_USEDEP}]
+                       dev-libs/nettle:=[${MULTILIB_USEDEP}]
+               )
+               mbedtls? (
+                       app-misc/ca-certificates
+                       net-libs/mbedtls:0=[${MULTILIB_USEDEP}]
+               )
+               openssl? (
+                       
>=dev-libs/openssl-1.0.2:=[static-libs?,${MULTILIB_USEDEP}]
+               )
+               rustls? (
+                       >=net-libs/rustls-ffi-0.15.0:=[${MULTILIB_USEDEP}]
+               )
+       )
+       zstd? ( app-arch/zstd:=[${MULTILIB_USEDEP}] )
+"
+
+DEPEND="${RDEPEND}"
+
+BDEPEND="
+       dev-lang/perl
+       virtual/pkgconfig
+       test? (
+               sys-apps/diffutils
+               http2? ( >=net-libs/nghttp2-1.15.0:=[utils,${MULTILIB_USEDEP}] )
+               http3? ( net-libs/nghttp2:=[utils,${MULTILIB_USEDEP}] )
+       )
+       verify-sig? ( sec-keys/openpgp-keys-danielstenberg )
+"
+
+DOCS=( README docs/{FEATURES.md,INTERNALS.md,FAQ,BUGS.md,CONTRIBUTE.md} )
+
+MULTILIB_WRAPPED_HEADERS=(
+       /usr/include/curl/curlbuild.h
+)
+
+MULTILIB_CHOST_TOOLS=(
+       /usr/bin/curl-config
+)
+
+QA_CONFIG_IMPL_DECL_SKIP=(
+       __builtin_available
+       closesocket
+       CloseSocket
+       getpass_r
+       ioctlsocket
+       IoctlSocket
+       mach_absolute_time
+       setmode
+       _fseeki64
+       # custom AC_LINK_IFELSE code fails to link even without -Werror
+       OSSL_QUIC_client_method
+)
+
+PATCHES=(
+       "${FILESDIR}/${PN}-prefix-5.patch"
+       "${FILESDIR}/${PN}-respect-cflags-3.patch"
+       "${FILESDIR}/${P}-ssl_verifyhost.patch"
+       "${FILESDIR}/${P}-pthread_cancel.patch"
+)
+
+src_prepare() {
+       default
+
+       eprefixify curl-config.in
+       eautoreconf
+}
+
+# Generates TLS-related configure options based on USE flags.
+# Outputs options suitable for appending to a configure options array.
+_get_curl_tls_configure_opts() {
+       local tls_opts=()
+
+       local backend flag_name
+       for backend in gnutls mbedtls openssl rustls; do
+               if [[ "$backend" == "openssl" ]]; then
+                       flag_name="ssl"
+                       tls_opts+=( "--with-ca-path=${EPREFIX}/etc/ssl/certs")
+               else
+                       flag_name="$backend"
+               fi
+
+               if use "$backend"; then
+                       tls_opts+=( "--with-${flag_name}" )
+               else
+                       # If a single backend is enabled, 'ssl' is required, 
openssl is the default / fallback
+                       if ! [[ "$backend" == "openssl" ]]; then
+                               tls_opts+=( "--without-${flag_name}" )
+                       fi
+               fi
+       done
+
+       if use curl_ssl_gnutls; then
+               multilib_is_native_abi && einfo "Default TLS backend: gnutls"
+               tls_opts+=( "--with-default-ssl-backend=gnutls" )
+       elif use curl_ssl_mbedtls; then
+               multilib_is_native_abi && einfo "Default TLS backend: mbedtls"
+               tls_opts+=( "--with-default-ssl-backend=mbedtls" )
+       elif use curl_ssl_openssl; then
+               multilib_is_native_abi && einfo "Default TLS backend: openssl"
+               tls_opts+=( "--with-default-ssl-backend=openssl" )
+       elif use curl_ssl_rustls; then
+               multilib_is_native_abi && einfo "Default TLS backend: rustls"
+               tls_opts+=( "--with-default-ssl-backend=rustls" )
+       else
+               eerror "We can't be here because of REQUIRED_USE."
+               die "Please file a bug, hit impossible condition w/ USE=ssl 
handling."
+       fi
+
+       # Explicitly Disable unimplemented backends
+       tls_opts+=(
+               --without-amissl
+               --without-wolfssl
+       )
+
+       printf "%s\n" "${tls_opts[@]}"
+}
+
+multilib_src_configure() {
+       # We make use of the fact that later flags override earlier ones
+       # So start with all ssl providers off until proven otherwise
+       # TODO: in the future, we may want to add wolfssl 
(https://www.wolfssl.com/)
+       local myconf=()
+
+       myconf+=( --without-ca-fallback 
--with-ca-bundle="${EPREFIX}"/etc/ssl/certs/ca-certificates.crt  )
+       if use ssl; then
+               local -a tls_backend_opts
+               readarray -t tls_backend_opts < <(_get_curl_tls_configure_opts)
+               myconf+=("${tls_backend_opts[@]}")
+               if use quic; then
+                       myconf+=(
+                               $(use_with curl_quic_ngtcp2 ngtcp2)
+                               $(use_with curl_quic_openssl openssl-quic)
+                       )
+               else
+                       # Without a REQUIRED_USE to ensure that QUIC was 
requested when at least one default backend is
+                       # enabled we need ensure that we don't try to build 
QUIC support
+                       myconf+=( --without-ngtcp2 --without-openssl-quic )
+               fi
+       else
+               myconf+=( --without-ssl )
+               einfo "SSL disabled"
+       fi
+
+       # These configuration options are organised alphabetically by 
category/type
+
+       # Protocols
+       # `grep SUPPORT_PROTOCOLS=\" configure.ac | awk '{ print substr($2, 1, 
length($2)-1)}' | sort`
+       # Assume that anything omitted (that is not new!) is enabled by default 
with no deps
+       myconf+=(
+               --enable-file
+               $(use_enable ftp)
+               $(use_enable gopher)
+               --enable-http
+               $(use_enable imap) # Automatic IMAPS if TLS is enabled
+               $(use_enable ldap ldaps)
+               $(use_enable ldap)
+               $(use_enable pop3)
+               $(use_enable samba smb)
+               $(use_with ssh libssh2) # enables scp/sftp
+               $(use_with rtmp librtmp)
+               --enable-rtsp
+               $(use_enable smtp)
+               $(use_enable telnet)
+               $(use_enable tftp)
+               $(use_enable websockets)
+       )
+
+       # Keep various 'HTTP-flavoured' options together
+       myconf+=(
+               $(use_enable alt-svc)
+               $(use_enable hsts)
+               $(use_enable httpsrr)
+               $(use_with http2 nghttp2)
+               $(use_with http3 nghttp3)
+       )
+
+       # --enable/disable options
+       # `grep -- --enable configure | grep Check | awk '{ print $4 }' | sort`
+       myconf+=(
+               $(use_enable adns ares)
+               --enable-aws
+               --enable-basic-auth
+               --enable-bearer-auth
+               --enable-cookies
+               --enable-dateparse
+               --enable-dict
+               --enable-digest-auth
+               --enable-dnsshuffle
+               --enable-doh
+               $(use_enable ech)
+               --enable-http-auth
+               --enable-ipv6
+               --enable-kerberos-auth
+               --enable-largefile
+               --enable-manual
+               --enable-mime
+               --enable-negotiate-auth
+               --enable-netrc
+               --enable-ntlm
+               --enable-progress-meter
+               --enable-proxy
+               --enable-rt
+               --enable-socketpair
+               --disable-sspi
+               $(use_enable static-libs static)
+               --enable-symbol-hiding
+               --enable-tls-srp
+               --disable-versioned-symbols
+       )
+
+       # --with/without options
+       # `grep -- --with configure | grep Check | awk '{ print $4 }' | sort`
+       myconf+=(
+               $(use_with brotli)
+               
--with-fish-functions-dir="${EPREFIX}"/usr/share/fish/vendor_completions.d
+               $(use_with idn libidn2)
+               $(use_with kerberos gssapi "${EPREFIX}"/usr)
+               $(use_with sasl-scram libgsasl)
+               $(use_with psl libpsl)
+               --without-quiche
+               --without-schannel
+               --without-winidn
+               --with-zlib
+               
--with-zsh-functions-dir="${EPREFIX}"/usr/share/zsh/site-functions
+               $(use_with zstd)
+       )
+
+       # Test deps (disabled)
+       myconf+=(
+               --without-test-caddy
+               --without-test-httpd
+               --without-test-nghttpx
+       )
+
+       if use debug; then
+               myconf+=(
+                       --enable-debug
+               )
+       fi
+
+       if use test && multilib_is_native_abi && ( use http2 || use http3 ); 
then
+               myconf+=(
+                       --with-test-nghttpx="${BROOT}/usr/bin/nghttpx"
+               )
+       fi
+
+       # Since 8.12.0 adns/c-ares and the threaded resolver are mutually 
exclusive
+       # This is in support of some work to enable `httpsrr` to use adns and 
the rest
+       # of curl to use the threaded resolver; for us `httpsrr` is conditional 
on adns.
+       if use adns; then
+               myconf+=(
+                       --disable-threaded-resolver
+               )
+       else
+               myconf+=(
+                       --enable-threaded-resolver
+               )
+       fi
+
+       ECONF_SOURCE="${S}" econf "${myconf[@]}"
+
+       if ! multilib_is_native_abi; then
+               # Avoid building the client (we just want libcurl for multilib)
+               sed -i -e '/SUBDIRS/s:src::' Makefile || die
+               sed -i -e '/SUBDIRS/s:scripts::' Makefile || die
+       fi
+
+}
+
+multilib_src_compile() {
+       default
+
+       if multilib_is_native_abi; then
+               # Shell completions
+               ! tc-is-cross-compiler && emake -C scripts
+       fi
+}
+
+# There is also a pytest harness that tests for bugs in some very specific
+# situations; we can rely on upstream for this rather than adding additional 
test deps.
+multilib_src_test() {
+       # See https://github.com/curl/curl/blob/master/tests/runtests.pl#L5721
+       # -n: no valgrind (unreliable in sandbox and doesn't work correctly on 
all arches)
+       # -v: verbose
+       # -a: keep going on failure (so we see everything that breaks, not just 
1st test)
+       # -k: keep test files after completion
+       # -am: automake style TAP output
+       # -p: print logs if test fails
+       # Note: if needed, we can skip specific tests. See e.g. Fedora's 
packaging
+       # or just read https://github.com/curl/curl/tree/master/tests#run.
+       # Note: we don't run the testsuite for cross-compilation.
+       # Upstream recommend 7*nproc as a starting point for parallel tests, but
+       # this ends up breaking when nproc is huge (like -j80).
+       # The network sandbox causes tests 241 and 1083 to fail; these are 
typically skipped
+       # as most gentoo users don't have an 'ip6-localhost'
+       multilib_is_native_abi && emake test TFLAGS="-n -v -a -k -am -p 
-j$((2*$(makeopts_jobs))) !241 !1083"
+}
+
+multilib_src_install() {
+       emake DESTDIR="${D}" install
+
+       if multilib_is_native_abi; then
+               # Shell completions
+               ! tc-is-cross-compiler && emake -C scripts DESTDIR="${D}" 
install
+       fi
+}
+
+multilib_src_install_all() {
+       einstalldocs
+       find "${ED}" -type f -name '*.la' -delete || die
+       rm -rf "${ED}"/etc/ || die
+}
+
+pkg_postinst() {
+       if use debug; then
+               ewarn "USE=debug has been selected, enabling debug codepaths 
and making cURL extra verbose."
+               ewarn "Use this _only_ for testing. Debug builds should _not_ 
be used in anger."
+               ewarn "hic sunt dracones; you have been warned."
+       fi
+}

diff --git a/net-misc/curl/files/curl-8.16.0-pthread_cancel.patch 
b/net-misc/curl/files/curl-8.16.0-pthread_cancel.patch
new file mode 100644
index 000000000000..1cc185c2e4f1
--- /dev/null
+++ b/net-misc/curl/files/curl-8.16.0-pthread_cancel.patch
@@ -0,0 +1,399 @@
+https://github.com/curl/curl/commit/de3fc1d7adb78c078e4cc7ccc48e550758094ad3
+From: Stefan Eissing <[email protected]>
+Date: Sat, 13 Sep 2025 15:25:53 +0200
+Subject: [PATCH] asyn-thrdd: drop pthread_cancel
+
+Remove use of pthread_cancel in asnyc threaded resolving. While there
+are system where this works, others might leak to resource leakage
+(memory, files, etc.). The popular nsswitch is one example where resolve
+code can be dragged in that is not prepared.
+
+The overall promise and mechanism of pthread_cancel() is just too
+brittle and the historcal design of getaddrinfo() continues to haunt us.
+
+Fixes #18532
+Reported-by: Javier Blazquez
+Closes #18540
+--- a/docs/libcurl/libcurl-env-dbg.md
++++ b/docs/libcurl/libcurl-env-dbg.md
+@@ -83,11 +83,6 @@ When built with c-ares for name resolving, setting this 
environment variable
+ to `[IP:port]` makes libcurl use that DNS server instead of the system
+ default. This is used by the curl test suite.
+ 
+-## `CURL_DNS_DELAY_MS`
+-
+-Delay the DNS resolve by this many milliseconds. This is used in the test
+-suite to check proper handling of CURLOPT_CONNECTTIMEOUT(3).
+-
+ ## `CURL_FTP_PWD_STOP`
+ 
+ When set, the first transfer - when using ftp: - returns before sending
+--- a/lib/asyn-thrdd.c
++++ b/lib/asyn-thrdd.c
+@@ -199,14 +199,6 @@ addr_ctx_create(struct Curl_easy *data,
+   return NULL;
+ }
+ 
+-static void async_thrd_cleanup(void *arg)
+-{
+-  struct async_thrdd_addr_ctx *addr_ctx = arg;
+-
+-  Curl_thread_disable_cancel();
+-  addr_ctx_unlink(&addr_ctx, NULL);
+-}
+-
+ #ifdef HAVE_GETADDRINFO
+ 
+ /*
+@@ -220,15 +212,6 @@ static CURL_THREAD_RETURN_T CURL_STDCALL 
getaddrinfo_thread(void *arg)
+   struct async_thrdd_addr_ctx *addr_ctx = arg;
+   bool do_abort;
+ 
+-/* clang complains about empty statements and the pthread_cleanup* macros
+- * are pretty ill defined. */
+-#if defined(__clang__)
+-#pragma clang diagnostic push
+-#pragma clang diagnostic ignored "-Wextra-semi-stmt"
+-#endif
+-
+-  Curl_thread_push_cleanup(async_thrd_cleanup, addr_ctx);
+-
+   Curl_mutex_acquire(&addr_ctx->mutx);
+   do_abort = addr_ctx->do_abort;
+   Curl_mutex_release(&addr_ctx->mutx);
+@@ -237,9 +220,6 @@ static CURL_THREAD_RETURN_T CURL_STDCALL 
getaddrinfo_thread(void *arg)
+     char service[12];
+     int rc;
+ 
+-#ifdef DEBUGBUILD
+-    Curl_resolve_test_delay();
+-#endif
+     msnprintf(service, sizeof(service), "%d", addr_ctx->port);
+ 
+     rc = Curl_getaddrinfo_ex(addr_ctx->hostname, service,
+@@ -274,11 +254,6 @@ static CURL_THREAD_RETURN_T CURL_STDCALL 
getaddrinfo_thread(void *arg)
+ 
+   }
+ 
+-  Curl_thread_pop_cleanup();
+-#if defined(__clang__)
+-#pragma clang diagnostic pop
+-#endif
+-
+   addr_ctx_unlink(&addr_ctx, NULL);
+   return 0;
+ }
+@@ -293,24 +268,11 @@ static CURL_THREAD_RETURN_T CURL_STDCALL 
gethostbyname_thread(void *arg)
+   struct async_thrdd_addr_ctx *addr_ctx = arg;
+   bool do_abort;
+ 
+-/* clang complains about empty statements and the pthread_cleanup* macros
+- * are pretty ill defined. */
+-#if defined(__clang__)
+-#pragma clang diagnostic push
+-#pragma clang diagnostic ignored "-Wextra-semi-stmt"
+-#endif
+-
+-  Curl_thread_push_cleanup(async_thrd_cleanup, addr_ctx);
+-
+   Curl_mutex_acquire(&addr_ctx->mutx);
+   do_abort = addr_ctx->do_abort;
+   Curl_mutex_release(&addr_ctx->mutx);
+ 
+   if(!do_abort) {
+-#ifdef DEBUGBUILD
+-    Curl_resolve_test_delay();
+-#endif
+-
+     addr_ctx->res = Curl_ipv4_resolve_r(addr_ctx->hostname, addr_ctx->port);
+     if(!addr_ctx->res) {
+       addr_ctx->sock_error = SOCKERRNO;
+@@ -337,12 +299,7 @@ static CURL_THREAD_RETURN_T CURL_STDCALL 
gethostbyname_thread(void *arg)
+ #endif
+   }
+ 
+-  Curl_thread_pop_cleanup();
+-#if defined(__clang__)
+-#pragma clang diagnostic pop
+-#endif
+-
+-  async_thrd_cleanup(addr_ctx);
++  addr_ctx_unlink(&addr_ctx, NULL);
+   return 0;
+ }
+ 
+@@ -381,12 +338,12 @@ static void async_thrdd_destroy(struct Curl_easy *data)
+       CURL_TRC_DNS(data, "async_thrdd_destroy, thread joined");
+     }
+     else {
+-      /* thread is still running. Detach the thread while mutexed, it will
+-       * trigger the cleanup when it releases its reference. */
++      /* thread is still running. Detach it. */
+       Curl_thread_destroy(&addr->thread_hnd);
+       CURL_TRC_DNS(data, "async_thrdd_destroy, thread detached");
+     }
+   }
++  /* release our reference to the shared context */
+   addr_ctx_unlink(&thrdd->addr, data);
+ }
+ 
+@@ -532,10 +489,12 @@ static void async_thrdd_shutdown(struct Curl_easy *data)
+   done = addr_ctx->thrd_done;
+   Curl_mutex_release(&addr_ctx->mutx);
+ 
+-  DEBUGASSERT(addr_ctx->thread_hnd != curl_thread_t_null);
+-  if(!done && (addr_ctx->thread_hnd != curl_thread_t_null)) {
+-    CURL_TRC_DNS(data, "cancelling resolve thread");
+-    (void)Curl_thread_cancel(&addr_ctx->thread_hnd);
++  /* Wait for the thread to terminate if it is already marked done. If it is
++     not done yet we cannot do anything here. We had tried pthread_cancel but
++     it caused hanging and resource leaks (#18532). */
++  if(done && (addr_ctx->thread_hnd != curl_thread_t_null)) {
++    Curl_thread_join(&addr_ctx->thread_hnd);
++    CURL_TRC_DNS(data, "async_thrdd_shutdown, thread joined");
+   }
+ }
+ 
+@@ -553,9 +512,11 @@ static CURLcode asyn_thrdd_await(struct Curl_easy *data,
+     if(!entry)
+       async_thrdd_shutdown(data);
+ 
+-    CURL_TRC_DNS(data, "resolve, wait for thread to finish");
+-    if(!Curl_thread_join(&addr_ctx->thread_hnd)) {
+-      DEBUGASSERT(0);
++    if(addr_ctx->thread_hnd != curl_thread_t_null) {
++      CURL_TRC_DNS(data, "resolve, wait for thread to finish");
++      if(!Curl_thread_join(&addr_ctx->thread_hnd)) {
++        DEBUGASSERT(0);
++      }
+     }
+ 
+     if(entry)
+--- a/lib/curl_threads.c
++++ b/lib/curl_threads.c
+@@ -100,34 +100,6 @@ int Curl_thread_join(curl_thread_t *hnd)
+   return ret;
+ }
+ 
+-/* do not use pthread_cancel if:
+- * - pthread_cancel seems to be absent
+- * - on FreeBSD, as we see hangers in CI testing
+- * - this is a -fsanitize=thread build
+- *   (clang sanitizer reports false positive when functions to not return)
+- */
+-#if defined(PTHREAD_CANCEL_ENABLE) && !defined(__FreeBSD__)
+-#if defined(__has_feature)
+-#  if !__has_feature(thread_sanitizer)
+-#define USE_PTHREAD_CANCEL
+-#  endif
+-#else /* __has_feature */
+-#define USE_PTHREAD_CANCEL
+-#endif /* !__has_feature */
+-#endif /* PTHREAD_CANCEL_ENABLE && !__FreeBSD__ */
+-
+-int Curl_thread_cancel(curl_thread_t *hnd)
+-{
+-  (void)hnd;
+-  if(*hnd != curl_thread_t_null)
+-#ifdef USE_PTHREAD_CANCEL
+-    return pthread_cancel(**hnd);
+-#else
+-    return 1; /* not supported */
+-#endif
+-  return 0;
+-}
+-
+ #elif defined(USE_THREADS_WIN32)
+ 
+ curl_thread_t Curl_thread_create(CURL_THREAD_RETURN_T
+@@ -182,12 +154,4 @@ int Curl_thread_join(curl_thread_t *hnd)
+   return ret;
+ }
+ 
+-int Curl_thread_cancel(curl_thread_t *hnd)
+-{
+-  if(*hnd != curl_thread_t_null) {
+-    return 1; /* not supported */
+-  }
+-  return 0;
+-}
+-
+ #endif /* USE_THREADS_* */
+--- a/lib/curl_threads.h
++++ b/lib/curl_threads.h
+@@ -66,22 +66,6 @@ void Curl_thread_destroy(curl_thread_t *hnd);
+ 
+ int Curl_thread_join(curl_thread_t *hnd);
+ 
+-int Curl_thread_cancel(curl_thread_t *hnd);
+-
+-#if defined(USE_THREADS_POSIX) && defined(PTHREAD_CANCEL_ENABLE)
+-#define Curl_thread_push_cleanup(a,b)   pthread_cleanup_push(a,b)
+-#define Curl_thread_pop_cleanup()       pthread_cleanup_pop(0)
+-#define Curl_thread_enable_cancel()     \
+-    pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL)
+-#define Curl_thread_disable_cancel()     \
+-    pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL)
+-#else
+-#define Curl_thread_push_cleanup(a,b)   ((void)a,(void)b)
+-#define Curl_thread_pop_cleanup()       Curl_nop_stmt
+-#define Curl_thread_enable_cancel()     Curl_nop_stmt
+-#define Curl_thread_disable_cancel()    Curl_nop_stmt
+-#endif
+-
+ #endif /* USE_THREADS_POSIX || USE_THREADS_WIN32 */
+ 
+ #endif /* HEADER_CURL_THREADS_H */
+--- a/lib/hostip.c
++++ b/lib/hostip.c
+@@ -1132,10 +1132,6 @@ CURLcode Curl_resolv_timeout(struct Curl_easy *data,
+     prev_alarm = alarm(curlx_sltoui(timeout/1000L));
+   }
+ 
+-#ifdef DEBUGBUILD
+-  Curl_resolve_test_delay();
+-#endif
+-
+ #else /* !USE_ALARM_TIMEOUT */
+ #ifndef CURLRES_ASYNCH
+   if(timeoutms)
+@@ -1639,18 +1635,3 @@ CURLcode Curl_resolver_error(struct Curl_easy *data, 
const char *detail)
+   return result;
+ }
+ #endif /* USE_CURL_ASYNC */
+-
+-#ifdef DEBUGBUILD
+-#include "curlx/wait.h"
+-
+-void Curl_resolve_test_delay(void)
+-{
+-  const char *p = getenv("CURL_DNS_DELAY_MS");
+-  if(p) {
+-    curl_off_t l;
+-    if(!curlx_str_number(&p, &l, TIME_T_MAX) && l) {
+-      curlx_wait_ms((timediff_t)l);
+-    }
+-  }
+-}
+-#endif
+--- a/lib/hostip.h
++++ b/lib/hostip.h
+@@ -216,8 +216,4 @@ struct Curl_addrinfo *Curl_sync_getaddrinfo(struct 
Curl_easy *data,
+ 
+ #endif
+ 
+-#ifdef DEBUGBUILD
+-void Curl_resolve_test_delay(void);
+-#endif
+-
+ #endif /* HEADER_CURL_HOSTIP_H */
+--- a/tests/data/Makefile.am
++++ b/tests/data/Makefile.am
+@@ -112,7 +112,7 @@ test754 test755 test756 test757 test758 test759 test760 
test761 test762 \
+ test763 \
+ \
+ test780 test781 test782 test783 test784 test785 test786 test787 test788 \
+-test789 test790 test791 test792 test793 test794 test795 test796 test797 \
++test789 test790 test791 test792 test793 test794         test796 test797 \
+ \
+ test799 test800 test801 test802 test803 test804 test805 test806 test807 \
+ test808 test809 test810 test811 test812 test813 test814 test815 test816 \
+--- a/tests/data/test795
++++ /dev/null
+@@ -1,36 +0,0 @@
+-<testcase>
+-<info>
+-<keywords>
+-DNS
+-</keywords>
+-</info>
+-
+-# Client-side
+-<client>
+-<features>
+-http
+-Debug
+-!c-ares
+-!win32
+-</features>
+-<name>
+-Delayed resolve --connect-timeout check
+-</name>
+-<setenv>
+-CURL_DNS_DELAY_MS=5000
+-</setenv>
+-<command>
+-http://test.invalid -v --no-progress-meter --trace-config dns 
--connect-timeout 1 -w \%{time_total}
+-</command>
+-</client>
+-
+-# Verify data after the test has been "shot"
+-<verify>
+-<errorcode>
+-28
+-</errorcode>
+-<postcheck>
+-%SRCDIR/libtest/test795.pl %LOGDIR/stdout%TESTNUMBER 2 >> 
%LOGDIR/stderr%TESTNUMBER
+-</postcheck>
+-</verify>
+-</testcase>
+--- a/tests/libtest/Makefile.am
++++ b/tests/libtest/Makefile.am
+@@ -42,7 +42,7 @@ AM_CPPFLAGS = -I$(top_srcdir)/include        \
+ include Makefile.inc
+ 
+ EXTRA_DIST = CMakeLists.txt $(FIRST_C) $(FIRST_H) $(UTILS_C) $(UTILS_H) 
$(TESTS_C) \
+-  test307.pl test610.pl test613.pl test795.pl test1013.pl test1022.pl 
mk-lib1521.pl
++  test307.pl test610.pl test613.pl test1013.pl test1022.pl mk-lib1521.pl
+ 
+ CFLAGS += @CURL_CFLAG_EXTRAS@
+ 
+--- a/tests/libtest/test795.pl
++++ /dev/null
+@@ -1,46 +0,0 @@
+-#!/usr/bin/env perl
+-#***************************************************************************
+-#                                  _   _ ____  _
+-#  Project                     ___| | | |  _ \| |
+-#                             / __| | | | |_) | |
+-#                            | (__| |_| |  _ <| |___
+-#                             \___|\___/|_| \_\_____|
+-#
+-# Copyright (C) Daniel Stenberg, <[email protected]>, et al.
+-#
+-# This software is licensed as described in the file COPYING, which
+-# you should have received as part of this distribution. The terms
+-# are also available at https://curl.se/docs/copyright.html.
+-#
+-# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+-# copies of the Software, and permit persons to whom the Software is
+-# furnished to do so, under the terms of the COPYING file.
+-#
+-# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+-# KIND, either express or implied.
+-#
+-# SPDX-License-Identifier: curl
+-#
+-###########################################################################
+-use strict;
+-use warnings;
+-
+-my $ok = 1;
+-my $exp_duration = $ARGV[1] + 0.0;
+-
+-# Read the output of curl --version
+-open(F, $ARGV[0]) || die "Can't open test result from $ARGV[0]\n";
+-$_ = <F>;
+-chomp;
+-/\s*([\.\d]+)\s*/;
+-my $duration = $1 + 0.0;
+-close F;
+-
+-if ($duration <= $exp_duration) {
+-    print "OK: duration of $duration in expected range\n";
+-    $ok = 0;
+-}
+-else {
+-    print "FAILED: duration of $duration is larger than $exp_duration\n";
+-}
+-exit $ok;

diff --git a/net-misc/curl/files/curl-8.16.0-ssl_verifyhost.patch 
b/net-misc/curl/files/curl-8.16.0-ssl_verifyhost.patch
new file mode 100644
index 000000000000..4d08f7f796bc
--- /dev/null
+++ b/net-misc/curl/files/curl-8.16.0-ssl_verifyhost.patch
@@ -0,0 +1,63 @@
+https://github.com/curl/curl/commit/f7cac7cc07a45481b246c875e8113d741ba2a6e1
+From: Daniel Stenberg <[email protected]>
+Date: Sun, 14 Sep 2025 23:28:03 +0200
+Subject: [PATCH] setopt: accept *_SSL_VERIFYHOST set to 2L
+
+... without outputing a verbose message about it. In the early days we
+had 2L and 1L have different functionalities.
+
+Reported-by: Jicea
+Bug: https://curl.se/mail/lib-2025-09/0031.html
+Closes #18547
+--- a/lib/setopt.c
++++ b/lib/setopt.c
+@@ -443,6 +443,7 @@ static CURLcode setopt_bool(struct Curl_easy *data, 
CURLoption option,
+                             long arg, bool *set)
+ {
+   bool enabled = !!arg;
++  int ok = 1;
+   struct UserDefined *s = &data->set;
+   switch(option) {
+   case CURLOPT_FORBID_REUSE:
+@@ -619,7 +620,7 @@ static CURLcode setopt_bool(struct Curl_easy *data, 
CURLoption option,
+      * Enable verification of the hostname in the peer certificate for proxy
+      */
+     s->proxy_ssl.primary.verifyhost = enabled;
+-
++    ok = 2;
+     /* Update the current connection proxy_ssl_config. */
+     Curl_ssl_conn_config_update(data, TRUE);
+     break;
+@@ -723,6 +724,7 @@ static CURLcode setopt_bool(struct Curl_easy *data, 
CURLoption option,
+      * Enable verification of the hostname in the peer certificate for DoH
+      */
+     s->doh_verifyhost = enabled;
++    ok = 2;
+     break;
+   case CURLOPT_DOH_SSL_VERIFYSTATUS:
+     /*
+@@ -732,6 +734,7 @@ static CURLcode setopt_bool(struct Curl_easy *data, 
CURLoption option,
+       return CURLE_NOT_BUILT_IN;
+ 
+     s->doh_verifystatus = enabled;
++    ok = 2;
+     break;
+ #endif /* ! CURL_DISABLE_DOH */
+   case CURLOPT_SSL_VERIFYHOST:
+@@ -743,6 +746,7 @@ static CURLcode setopt_bool(struct Curl_easy *data, 
CURLoption option,
+        this argument took a boolean when it was not and misused it.
+        Treat 1 and 2 the same */
+     s->ssl.primary.verifyhost = enabled;
++    ok = 2;
+ 
+     /* Update the current connection ssl_config. */
+     Curl_ssl_conn_config_update(data, FALSE);
+@@ -844,7 +848,7 @@ static CURLcode setopt_bool(struct Curl_easy *data, 
CURLoption option,
+   default:
+     return CURLE_OK;
+   }
+-  if((arg > 1) || (arg < 0))
++  if((arg > ok) || (arg < 0))
+     /* reserve other values for future use */
+     infof(data, "boolean setopt(%d) got unsupported argument %ld,"
+           " treated as %d", option, arg, enabled);

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