--- /dev/null
+From d1d017390b799c59d6fdf7b8afa6136d218bdd61 Mon Sep 17 00:00:00 2001
+From: Benjamin Peterson <benjamin@dropbox.com>
+Date: Fri, 3 May 2019 08:11:00 -0700
+Subject: [PATCH] Rename gettid() functions.
+
+glibc 2.30 will declare its own gettid; see https://sourceware.org/git/?p=glibc.git;a=commit;h=1d0fc213824eaa2a8f8c4385daaa698ee8fb7c92. Rename the grpc versions to avoid naming conflicts.
+---
+ src/core/lib/gpr/log_linux.cc | 4 ++--
+ src/core/lib/gpr/log_posix.cc | 4 ++--
+ src/core/lib/iomgr/ev_epollex_linux.cc | 4 ++--
+ 3 files changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/src/core/lib/gpr/log_linux.cc b/src/core/lib/gpr/log_linux.cc
+index 561276f0c20..8b597b4cf2f 100644
+--- a/src/core/lib/gpr/log_linux.cc
++++ b/src/core/lib/gpr/log_linux.cc
+@@ -40,7 +40,7 @@
+ #include <time.h>
+ #include <unistd.h>
+
+-static long gettid(void) { return syscall(__NR_gettid); }
++static long sys_gettid(void) { return syscall(__NR_gettid); }
+
+ void gpr_log(const char* file, int line, gpr_log_severity severity,
+ const char* format, ...) {
+@@ -70,7 +70,7 @@ void gpr_default_log(gpr_log_func_args* args) {
+ gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME);
+ struct tm tm;
+ static __thread long tid = 0;
+- if (tid == 0) tid = gettid();
++ if (tid == 0) tid = sys_gettid();
+
+ timer = static_cast<time_t>(now.tv_sec);
+ final_slash = strrchr(args->file, '/');
+diff --git a/src/core/lib/gpr/log_posix.cc b/src/core/lib/gpr/log_posix.cc
+index b6edc14ab6b..2f7c6ce3760 100644
+--- a/src/core/lib/gpr/log_posix.cc
++++ b/src/core/lib/gpr/log_posix.cc
+@@ -31,7 +31,7 @@
+ #include <string.h>
+ #include <time.h>
+
+-static intptr_t gettid(void) { return (intptr_t)pthread_self(); }
++static intptr_t sys_gettid(void) { return (intptr_t)pthread_self(); }
+
+ void gpr_log(const char* file, int line, gpr_log_severity severity,
+ const char* format, ...) {
+@@ -86,7 +86,7 @@ void gpr_default_log(gpr_log_func_args* args) {
+ char* prefix;
+ gpr_asprintf(&prefix, "%s%s.%09d %7" PRIdPTR " %s:%d]",
+ gpr_log_severity_string(args->severity), time_buffer,
+- (int)(now.tv_nsec), gettid(), display_file, args->line);
++ (int)(now.tv_nsec), sys_gettid(), display_file, args->line);
+
+ fprintf(stderr, "%-70s %s\n", prefix, args->message);
+ gpr_free(prefix);
+diff --git a/src/core/lib/iomgr/ev_epollex_linux.cc b/src/core/lib/iomgr/ev_epollex_linux.cc
+index 08116b3ab53..76f59844312 100644
+--- a/src/core/lib/iomgr/ev_epollex_linux.cc
++++ b/src/core/lib/iomgr/ev_epollex_linux.cc
+@@ -1102,7 +1102,7 @@ static void end_worker(grpc_pollset* pollset, grpc_pollset_worker* worker,
+ }
+
+ #ifndef NDEBUG
+-static long gettid(void) { return syscall(__NR_gettid); }
++static long sys_gettid(void) { return syscall(__NR_gettid); }
+ #endif
+
+ /* pollset->mu lock must be held by the caller before calling this.
+@@ -1122,7 +1122,7 @@ static grpc_error* pollset_work(grpc_pollset* pollset,
+ #define WORKER_PTR (&worker)
+ #endif
+ #ifndef NDEBUG
+- WORKER_PTR->originator = gettid();
++ WORKER_PTR->originator = sys_gettid();
+ #endif
+ if (GRPC_TRACE_FLAG_ENABLED(grpc_polling_trace)) {
+ gpr_log(GPR_INFO,
--- /dev/null
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python2_7 python3_{5,6,7} )
+inherit distutils-r1 multiprocessing
+
+DESCRIPTION="High-performance RPC framework (python libraries)"
+HOMEPAGE="https://grpc.io"
+SRC_URI="mirror://pypi/${PN::1}/${PN}/${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~x86"
+
+RDEPEND=">=dev-libs/openssl-1.0.2:0=[-bindist]
+ >=dev-python/cython-0.28.3[${PYTHON_USEDEP}]
+ dev-python/protobuf-python[${PYTHON_USEDEP}]
+ dev-python/six[${PYTHON_USEDEP}]
+ net-dns/c-ares:=
+ !<net-libs/grpc-1.16.0[python]
+ sys-libs/zlib:=
+ virtual/python-enum34[${PYTHON_USEDEP}]
+ virtual/python-futures[${PYTHON_USEDEP}]
+"
+DEPEND="${RDEPEND}
+ dev-python/setuptools[${PYTHON_USEDEP}]
+"
+
+PATCHES=( "${FILESDIR}/grpc-1.22.1-glibc-2.30-compat.patch" )
+
+python_configure_all() {
+ export GRPC_PYTHON_DISABLE_LIBC_COMPATIBILITY=1
+ export GRPC_PYTHON_BUILD_SYSTEM_CARES=1
+ export GRPC_PYTHON_BUILD_SYSTEM_OPENSSL=1
+ export GRPC_PYTHON_BUILD_SYSTEM_ZLIB=1
+ export GRPC_PYTHON_BUILD_WITH_CYTHON=1
+ export GRPC_PYTHON_BUILD_EXT_COMPILER_JOBS="$(makeopts_jobs)"
+}