From dc593958e556dd496b774f35c5992285510d6859 Mon Sep 17 00:00:00 2001
From: Martin Jansa <Martin.Jansa@gmail.com>
Date: Tue, 19 Oct 2021 17:09:55 +0200
Subject: [PATCH] Revert "Changed GRPCPP_ABSEIL_SYNC to GPR_ABSEIL_SYNC
 (#25681)"

This reverts commit 931f91b745cd5b2864a0d1787815871d0bd844ae.

Fixes sysdig from meta-oe and other recipes (like com.webos.service.tts
libgoogleassistant from meta-webosose) failing with:

| FAILED: userspace/sysdig/sysdig
| : && /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot-native/usr/bin/x86_64-oe-linux/x86_64-oe-linux-g++ -m64 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-sec
urity  --sysroot=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot  -O2 -pipe -g -feliminate-unused-debug-types -fmacro-prefix-map=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0=/usr/src/debug/sysdig/0.27.1-r0                      -f
debug-prefix-map=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0=/usr/src/debug/sysdig/0.27.1-r0                      -fdebug-prefix-map=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot=                      -fdebug-prefix-map=/OE/bu
ild/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot-native=  -fvisibility-inlines-hidden  -m64 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=/OE/build
/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot -Wall -ggdb   -std=c++0x -O3 -fno-strict-aliasing -DNDEBUG  -m64 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security
--sysroot=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot  -O2 -pipe -g -feliminate-unused-debug-types -fmacro-prefix-map=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0=/usr/src/debug/sysdig/0.27.1-r0                      -fdebug-p
refix-map=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0=/usr/src/debug/sysdig/0.27.1-r0                      -fdebug-prefix-map=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot=                      -fdebug-prefix-map=/OE/build/oe-
core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot-native=  -fvisibility-inlines-hidden  -m64 -march=core2 -mtune=core2 -msse3 -mfpmath=sse -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=/OE/build/oe-cor
e/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -fmacro-prefix-map=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0=/usr/src/debug/sysdig/0.27.1-r0                      -fdebug-prefix-map=/OE/build/oe-cor
e/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0=/usr/src/debug/sysdig/0.27.1-r0                      -fdebug-prefix-map=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot=                      -fdebug-prefix-map=/OE/build/oe-core/tmp-glibc/work/core2-
64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot-native=  -Wl,-z,relro,-z,now -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -fmacro-prefix-map=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0=/usr/src/debug/sysdig/0.27.1-r0                      -fdebug-prefix-map=/OE/build/
oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0=/usr/src/debug/sysdig/0.27.1-r0                      -fdebug-prefix-map=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot=                      -fdebug-prefix-map=/OE/build/oe-core/tmp-glibc/work/
core2-64-oe-linux/sysdig/0.27.1-r0/recipe-sysroot-native=  -Wl,-z,relro,-z,now   -rdynamic userspace/sysdig/CMakeFiles/sysdig.dir/fields_info.cpp.o userspace/sysdig/CMakeFiles/sysdig.dir/sysdig.cpp.o -o userspace/sysdig/sysdig  userspace/libsinsp/libsinsp.a  userspace/libscap/libscap.a
 -lelf  -lz  -lcurl  -ljsoncpp  -ltbb  -lcares  -lgrpc++_unsecure  -lgrpc_unsecure  -lprotobuf  -lcares  -lgrpc++_unsecure  -lgrpc_unsecure  -lprotobuf  -ljq  -lb64  -lrt  -lanl  -lssl  -lcrypto  -lluajit-5.1  -ldl  -lpthread && :
| /usr/include/grpcpp/impl/codegen/completion_queue.h:121: error: undefined reference to 'absl::lts_20210324::Mutex::~Mutex()'
| /usr/include/grpcpp/impl/codegen/completion_queue.h:121: error: undefined reference to 'absl::lts_20210324::Mutex::~Mutex()'
| /usr/include/grpcpp/impl/codegen/completion_queue.h:121: error: undefined reference to 'absl::lts_20210324::Mutex::~Mutex()'
| /usr/include/grpcpp/impl/codegen/completion_queue.h:259: error: undefined reference to 'absl::lts_20210324::Mutex::~Mutex()'
| collect2: error: ld returned 1 exit status

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

---
 include/grpcpp/impl/codegen/sync.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/grpcpp/impl/codegen/sync.h b/include/grpcpp/impl/codegen/sync.h
index 4cb8133c7c..3d10d9a3a0 100644
--- a/include/grpcpp/impl/codegen/sync.h
+++ b/include/grpcpp/impl/codegen/sync.h
@@ -47,7 +47,7 @@
 namespace grpc {
 namespace internal {
 
-#ifdef GPR_ABSEIL_SYNC
+#ifdef GRPCPP_ABSEIL_SYNC
 
 using Mutex = absl::Mutex;
 using MutexLock = absl::MutexLock;
@@ -142,7 +142,7 @@ class CondVar {
   gpr_cv cv_;
 };
 
-#endif  // GPR_ABSEIL_SYNC
+#endif  // GRPCPP_ABSEIL_SYNC
 
 template <typename Predicate>
 GRPC_DEPRECATED("incompatible with thread safety analysis")