Patch for grpc and glibc 2.30

Rename occurrences of gettid in grpc to avoid naming conflicts with
glibc 2.30's gettid.

bazelbuild/bazel#8666
vbatts/copr-build-bazel@75516ad
grpc/grpc@d1d0173
clearlinux-pkgs/grpcio@5dd8919

bazel.spec

@@ -1,6 +1,6 @@
 Name     : bazel
 Version  : 0.27.0
-Release  : 31
+Release  : 32
 URL      : https://github.com/bazelbuild/bazel/archive/0.27.0.tar.gz
 Source0  : https://github.com/bazelbuild/bazel/archive/0.27.0.tar.gz
 Summary  : A Python Mocking and Patching Library for Testing
@@ -38,6 +38,7 @@ Source23 : https://mirror.bazel.build/bazel_java_tools/releases/javac11/v2.0/jav
 %define debug_package %{nil}
 
 Patch1: 0001-build.patch
+Patch2: rename-gettid-functions.patch
 
 %description
 This repository contains a python implementation of the Google commandline
@@ -47,6 +48,11 @@ flags module.
 %setup -q -n bazel-0.27.0
 #%patch1 -p1
 
+# https://github.com/vbatts/copr-build-bazel/commit/75516ad2211feb6326ce330de0efcd4ee662aba4
+pushd third_party/grpc/
+%patch2 -p0
+popd
+
 %build
 
 InstallCache() {

rename-gettid-functions.patch

@@ -0,0 +1,78 @@
+From d1d017390b799c59d6fdf7b8afa6136d218bdd61 Mon Sep 17 00:00:00 2001
+From: Benjamin Peterson <[email protected]>
+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 src/core/lib/gpr/log_linux.cc.orig src/core/lib/gpr/log_linux.cc
+index 561276f0c20..8b597b4cf2f 100644
+--- src/core/lib/gpr/log_linux.cc.orig	2019-06-21 10:42:13.235611417 -0400
++++ src/core/lib/gpr/log_linux.cc	2019-06-21 10:42:16.686608855 -0400
+@@ -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*
+   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 src/core/lib/gpr/log_posix.cc.orig src/core/lib/gpr/log_posix.cc
+index b6edc14ab6b..2f7c6ce3760 100644
+--- src/core/lib/gpr/log_posix.cc.orig	2019-06-21 10:42:13.242611412 -0400
++++ src/core/lib/gpr/log_posix.cc	2019-06-21 10:42:22.794604319 -0400
+@@ -30,7 +30,7 @@
+ #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, ...) {
+@@ -85,7 +85,7 @@ void gpr_default_log(gpr_log_func_args*
+   char* prefix;
+   gpr_asprintf(&prefix, "%s%s.%09d %7tu %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 src/core/lib/iomgr/ev_epollex_linux.cc.orig src/core/lib/iomgr/ev_epollex_linux.cc
+index 08116b3ab53..76f59844312 100644
+--- src/core/lib/iomgr/ev_epollex_linux.cc.orig	2019-06-21 10:42:13.247611408 -0400
++++ src/core/lib/iomgr/ev_epollex_linux.cc	2019-06-21 10:42:29.767599141 -0400
+@@ -1150,7 +1150,7 @@ static void end_worker(grpc_pollset* pol
+ }
+
+ #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.
+@@ -1170,7 +1170,7 @@ static grpc_error* pollset_work(grpc_pol
+ #define WORKER_PTR (&worker)
+ #endif
+ #ifndef NDEBUG
+-  WORKER_PTR->originator = gettid();
++  WORKER_PTR->originator = sys_gettid();
+ #endif
+   if (grpc_polling_trace.enabled()) {
+     gpr_log(GPR_INFO,