Fix test cert build

test/core/end2end/data/client_certs.cc

@@ -16,6 +16,8 @@
  *
  */
 
+#include "test/core/end2end/data/ssl_test_data.h"
+
 const char test_self_signed_client_cert[] = {
     0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x42, 0x45, 0x47, 0x49, 0x4e, 0x20, 0x43,
     0x45, 0x52, 0x54, 0x49, 0x46, 0x49, 0x43, 0x41, 0x54, 0x45, 0x2d, 0x2d,

test/core/end2end/data/server1_cert.cc

@@ -16,6 +16,8 @@
  *
  */
 
+#include "test/core/end2end/data/ssl_test_data.h"
+
 const char test_server1_cert[] = {
     0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x42, 0x45, 0x47, 0x49, 0x4e, 0x20, 0x43,
     0x45, 0x52, 0x54, 0x49, 0x46, 0x49, 0x43, 0x41, 0x54, 0x45, 0x2d, 0x2d,

test/core/end2end/data/server1_key.cc

@@ -16,6 +16,8 @@
  *
  */
 
+#include "test/core/end2end/data/ssl_test_data.h"
+
 const char test_server1_key[] = {
     0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x42, 0x45, 0x47, 0x49, 0x4e, 0x20, 0x52,
     0x53, 0x41, 0x20, 0x50, 0x52, 0x49, 0x56, 0x41, 0x54, 0x45, 0x20, 0x4b,

test/core/end2end/data/test_root_cert.cc

@@ -16,6 +16,8 @@
  *
  */
 
+#include "test/core/end2end/data/ssl_test_data.h"
+
 const char test_root_cert[] = {
     0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x42, 0x45, 0x47, 0x49, 0x4e, 0x20, 0x43,
     0x45, 0x52, 0x54, 0x49, 0x46, 0x49, 0x43, 0x41, 0x54, 0x45, 0x2d, 0x2d,

test/core/end2end/fuzzers/api_fuzzer.cc

@@ -56,7 +56,7 @@ static grpc_server* g_server;
 static grpc_channel* g_channel;
 static grpc_resource_quota* g_resource_quota;
 
-extern "C" gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type);
+extern gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type);
 
 static gpr_timespec now_impl(gpr_clock_type clock_type) {
   GPR_ASSERT(clock_type != GPR_TIMESPAN);

test/core/transport/bdp_estimator_test.cc

@@ -29,7 +29,7 @@
 #include "src/core/lib/support/string.h"
 #include "test/core/util/test_config.h"
 
-extern "C" gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type);
+extern gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type);
 
 namespace grpc_core {
 namespace testing {

test/core/util/fuzzer_corpus_test.cc

@@ -29,8 +29,8 @@
 #include "test/core/util/test_config.h"
 
 int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
-extern "C" bool squelch;
-extern "C" bool leak_check;
+extern bool squelch;
+extern bool leak_check;
 
 // In some distros, gflags is in the namespace google, and in some others,
 // in gflags. This hack is enabling us to find both.

test/cpp/microbenchmarks/bm_fullstack_trickle.cc

@@ -445,7 +445,7 @@ BENCHMARK(BM_PumpUnbalancedUnary_Trickle)->Apply(UnaryTrickleArgs);
 }  // namespace testing
 }  // namespace grpc
 
-extern "C" gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type);
+extern gpr_timespec (*gpr_now_impl)(gpr_clock_type clock_type);
 
 int main(int argc, char** argv) {
   ::benchmark::Initialize(&argc, argv);

test/cpp/microbenchmarks/helpers.h

@@ -54,10 +54,10 @@ class Library {
 };
 
 #ifdef GPR_LOW_LEVEL_COUNTERS
-extern "C" gpr_atm gpr_mu_locks;
-extern "C" gpr_atm gpr_counter_atm_cas;
-extern "C" gpr_atm gpr_counter_atm_add;
-extern "C" gpr_atm gpr_now_call_count;
+extern gpr_atm gpr_mu_locks;
+extern gpr_atm gpr_counter_atm_cas;
+extern gpr_atm gpr_counter_atm_add;
+extern gpr_atm gpr_now_call_count;
 #endif
 
 class TrackCounters {