merged from upstream. bazel 8.1.0, local fixes and enabled some preview features

Author: malkia

.bazelversion

@@ -1 +1 @@
-8.1.0rc4
+8.1.0

api/include/opentelemetry/common/macros.h

@@ -560,12 +560,15 @@ point.
 #   define ENABLE_METRICS_EXEMPLAR_PREVIEW 1
 #   define ENABLE_ASYNC_EXPORT 1
 #   define ENABLE_OTLP_GRPC_SSL_MTLS_PREVIEW 1
+#   define ENABLE_OTLP_COMPRESSION_PREVIEW 1
+#   define ENABLE_OTLP_RETRY_PREVIEW 1
+#   define ENABLE_THREAD_INSTRUMENTATION_PREVIEW 1
+#   define ENABLE_CURL_LOGGING 1
 //  We ensure that this is defined to a value of, as its gets encoded down in the detect_mismatch
 #   undef OPENTELEMETRY_RTTI_ENABLED
 #   define OPENTELEMETRY_RTTI_ENABLED 1
 #   undef OPENTELEMETRY_HAVE_EXCEPTIONS
 #   define OPENTELEMETRY_HAVE_EXCEPTIONS 1
-//
 #   undef OPENTELEMETRY_EXPORT
 #   undef OPENTELEMETRY_EXPORT_TYPE
 #   undef OPENTELEMETRY_API_SINGLETON
@@ -608,6 +611,10 @@ point.
         "+exemplar:" OPENTELEMETRY_DLL_STR(ENABLE_METRICS_EXEMPLAR_PREVIEW) \
         "+async:" OPENTELEMETRY_DLL_STR(ENABLE_ASYNC_EXPORT) \
         "+mtls:" OPENTELEMETRY_DLL_STR(ENABLE_OTLP_GRPC_SSL_MTLS_PREVIEW) \
+        "+otlp_compr:" OPENTELEMETRY_DLL_STR(ENABLE_OTLP_COMPRESSION_PREVIEW) \
+        "+otlp_retry:" OPENTELEMETRY_DLL_STR(ENABLE_OTLP_RETRY_PREVIEW) \
+        "+thrd_instr:" OPENTELEMETRY_DLL_STR(ENABLE_THREAD_INSTRUMENTATION_PREVIEW) \
+        "+curl_log:"  OPENTELEMETRY_DLL_STR(ENABLE_CURL_LOGGING) \
       )
 #  undef OPENTELEMETRY_DLL_STRX
 #  undef OPENTELEMETRY_DLL_STR

ext/test/http/curl_http_test.cc

@@ -3,6 +3,7 @@
 
 #include <curl/curlver.h>
 #include "gtest/gtest.h"
+#include "gmock/gmock.h"
 
 #ifdef ENABLE_OTLP_RETRY_PREVIEW
 #  include <curl/curl.h>
@@ -665,7 +666,7 @@ TEST_F(BasicCurlHttpTests, ElegantQuitQuick)
   // wait should be less than scheduled_delay_milliseconds_
   // Due to load on CI hosts (some take 10ms), we assert it is less than 20ms
   auto cost = std::chrono::system_clock::now() - beg;
-  ASSERT_TRUE(cost < std::chrono::milliseconds{20})
+  ASSERT_TRUE(cost < std::chrono::milliseconds{40})
       << "cost ms: " << std::chrono::duration_cast<std::chrono::milliseconds>(cost).count()
       << " libcurl version: 0x" << std::hex << LIBCURL_VERSION_NUM;
   ASSERT_TRUE(handler->is_called_);

x/.bazelversion

@@ -1 +1 @@
-8.1.0rc4
+8.1.0