open-telemetry · marcalff · Oct 8, 2025 · Oct 4, 2025 · Oct 4, 2025 · Oct 4, 2025
@@ -21,7 +21,7 @@ jobs:
 #        submodules: 'recursive'
 #    - name: setup
 #      env:
-#        CXX_STANDARD: '14'
+#        CXX_STANDARD: '17'
 #        CC: /usr/bin/gcc-10
 #        CXX: /usr/bin/g++-10
 #      run: |
@@ -59,15 +59,18 @@ jobs:
     env:
       CXX_STANDARD: '17'
       CMAKE_VERSION: '3.16.0'
-      BUILD_TYPE: 'Debug'
+      BUILD_TYPE: 'Release'
     steps:
     - name: Harden the runner (Audit all outbound calls)
       uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
       with:
         egress-policy: audit
     - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       with:
-        submodules: 'recursive'
+        submodules: 'false'
+    - name: checkout googletest
+      run: |
+        git submodule update --init --recursive ./third_party/googletest
     - name: setup
       run: |
         sudo -E ./ci/setup_ci_environment.sh
@@ -86,7 +89,7 @@ jobs:
     env:
       CC: /usr/bin/gcc-14
       CXX: /usr/bin/g++-14
-      CXX_STANDARD: '14'
+      CXX_STANDARD: '17'
     steps:
     - name: Harden the runner (Audit all outbound calls)
       uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
@@ -120,7 +123,7 @@ jobs:
     env:
       CC: /usr/bin/gcc-14
       CXX: /usr/bin/g++-14
-      CXX_STANDARD: '14'
+      CXX_STANDARD: '17'
     steps:
     - name: Harden the runner (Audit all outbound calls)
       uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
@@ -154,7 +157,7 @@ jobs:
     env:
       CC: /usr/bin/clang-18
       CXX: /usr/bin/clang++-18
-      CXX_STANDARD: '14'
+      CXX_STANDARD: '17'
     steps:
     - name: Harden the runner (Audit all outbound calls)
       uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
@@ -182,13 +185,47 @@ jobs:
       run: |
         (cd ./functional/otlp; ./run_test.sh)
 
+  cmake_clang_maintainer_cxx14_async_test:
+    name: CMake clang 18 with C++14 (maintainer mode, async)
+    runs-on: ubuntu-24.04
+    env:
+      CC: /usr/bin/clang-18
+      CXX: /usr/bin/clang++-18
+      CXX_STANDARD: '14'
+    steps:
+    - name: Harden the runner (Audit all outbound calls)
+      uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
+      with:
+        egress-policy: audit
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      with:
+        submodules: 'recursive'
+    - name: setup
+      run: |
+        sudo -E ./ci/setup_ci_environment.sh
+    - name: install dependencies
+      run: | # install c++14 compatible third-party versions
+        sudo -E ./ci/install_thirdparty.sh --install-dir /usr/local --tags-file ./install/cmake/third_party_stable
+    - name: run cmake clang (maintainer mode, async)
+      run: |
+        ./ci/do_ci.sh cmake.maintainer.async.test
+    - name: generate test cert
+      env:
+        CFSSL_VERSION: 1.6.3
+      run: |
+        sudo -E ./tools/setup-cfssl.sh
+        (cd ./functional/cert; ./generate_cert.sh)
+    - name: run func test
+      run: |
+        (cd ./functional/otlp; ./run_test.sh)
+
   cmake_clang_yaml_config:
     name: CMake clang 18 (maintainer mode, yaml config)
     runs-on: ubuntu-24.04
     env:
       CC: /usr/bin/clang-18
       CXX: /usr/bin/clang++-18
-      CXX_STANDARD: '14'
+      CXX_STANDARD: '17'
     steps:
     - name: Harden the runner (Audit all outbound calls)
       uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
@@ -227,7 +264,7 @@ jobs:
     env:
       CC: /usr/bin/clang-18
       CXX: /usr/bin/clang++-18
-      CXX_STANDARD: '14'
+      CXX_STANDARD: '17'
     steps:
     - name: Harden the runner (Audit all outbound calls)
       uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
@@ -261,7 +298,7 @@ jobs:
     env:
       CC: /usr/bin/clang-18
       CXX: /usr/bin/clang++-18
-      CXX_STANDARD: '14'
+      CXX_STANDARD: '17'
     steps:
     - name: Harden the runner (Audit all outbound calls)
       uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
@@ -406,6 +443,9 @@ jobs:
     - name: setup
       run: |
         sudo -E ./ci/setup_ci_environment.sh
+    - name: install dependencies
+      run: |
+        sudo -E ./ci/install_thirdparty.sh --install-dir /usr/local --tags-file ./install/cmake/third_party_stable --packages "googletest;benchmark"
     - name: run tests (enable stl)
       env:
         CXX_STANDARD: '14'
@@ -889,6 +929,11 @@ jobs:
     - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       with:
         submodules: 'recursive'
+    - name: Install CMake
+      env:
+        CMAKE_VERSION: 3.31.6 # the macos runner installs CMake 4.x and is not compatible with opentracing
+      run: |
+        ./ci/setup_cmake_macos.sh
     - name: Mount Bazel Cache
       uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
       env:
@@ -1177,7 +1222,7 @@ jobs:
           sudo -E apt-get install -y zlib1g-dev libcurl4-openssl-dev
       - name: run w3c trace-context test server (background)
         env:
-          CXX_STANDARD: '14'
+          CXX_STANDARD: '17'
         run: |
           ./ci/do_ci.sh cmake.w3c.trace-context.build-server
           cd $HOME/build/ext/test/w3c_tracecontext_http_test_server

@@ -36,7 +36,7 @@ jobs:
             --inline-suppr \
             --suppress=unknownMacro:exporters/etw/include/opentelemetry/exporters/etw/TraceLoggingDynamic.h \
             --language=c++ \
-            --std=c++14 \
+            --std=c++17 \
             -I api/include \
             -I exporters/elasticsearch/include \
             -I exporters/etw/include \

@@ -495,6 +495,7 @@ message(STATUS "OTELCPP_MAINTAINER_MODE: ${OTELCPP_MAINTAINER_MODE}")
 message(STATUS "WITH_STL: ${WITH_STL}")
 message(STATUS "WITH_GSL: ${WITH_GSL}")
 message(STATUS "WITH_NO_GETENV: ${WITH_NO_GETENV}")
+message(STATUS "OPENTELEMETRY_INSTALL: ${OPENTELEMETRY_INSTALL}")
 
 message(STATUS "---------------------------------------------")
 message(STATUS "opentelemetry-cpp cmake component options")

@@ -318,10 +318,10 @@ switch ($action) {
     if (Test-Path Env:\CXX_STANDARD) {
         $CXX_STANDARD = [int](Get-Item Env:\CXX_STANDARD).Value
     } else {
-        $CXX_STANDARD = 14
+        $CXX_STANDARD = 17
     }
     if (-not $CXX_STANDARD) {
-        $CXX_STANDARD = 14
+        $CXX_STANDARD = 17
     }
     Write-Host "Using CXX_STANDARD: $CXX_STANDARD"
 

@@ -69,6 +69,9 @@ MAKE_COMMAND="make -k -j \$(nproc)"
 
 echo "make command: ${MAKE_COMMAND}"
 
+export BAZEL_CXXOPTS="-std=c++17"
+
+
 BAZEL_OPTIONS_DEFAULT="--copt=-DENABLE_METRICS_EXEMPLAR_PREVIEW --//exporters/otlp:with_otlp_grpc_credential_preview=true"
 BAZEL_OPTIONS="$BAZEL_OPTIONS_DEFAULT"
 
@@ -92,7 +95,7 @@ fi
 if [ -n "${CXX_STANDARD}" ]; then
   CMAKE_OPTIONS+=("-DCMAKE_CXX_STANDARD=${CXX_STANDARD}")
 else
-  CMAKE_OPTIONS+=("-DCMAKE_CXX_STANDARD=14")
+  CMAKE_OPTIONS+=("-DCMAKE_CXX_STANDARD=17")
 fi
 
 CMAKE_OPTIONS+=("-DCMAKE_CXX_STANDARD_REQUIRED=ON")
@@ -574,8 +577,10 @@ elif [[ "$1" == "bazel.noexcept" ]]; then
   # there are some exceptions and error handling code from the Prometheus Client
   # as well as Opentracing shim (due to some third party code in its Opentracing dependency)
   # that make this test always fail. Ignore these packages in the noexcept test here.
-  bazel $BAZEL_STARTUP_OPTIONS build --copt=-fno-exceptions $BAZEL_OPTIONS_ASYNC -- //... -//exporters/prometheus/... -//examples/prometheus/... -//opentracing-shim/... -//examples/configuration/... -//sdk/src/configuration/... -//sdk/test/configuration/...
-  bazel $BAZEL_STARTUP_OPTIONS test --copt=-fno-exceptions $BAZEL_TEST_OPTIONS_ASYNC -- //... -//exporters/prometheus/... -//examples/prometheus/... -//opentracing-shim/... -//examples/configuration/... -//sdk/src/configuration/... -//sdk/test/configuration/...
+  # Set the api:with_cxx_stdlib=none because C++17 std::variant::get<> throws
+
+  bazel $BAZEL_STARTUP_OPTIONS build --copt=-fno-exceptions --//api:with_cxx_stdlib=none $BAZEL_OPTIONS_ASYNC -- //... -//exporters/prometheus/... -//examples/prometheus/... -//opentracing-shim/... -//examples/configuration/... -//sdk/src/configuration/... -//sdk/test/configuration/...
+  bazel $BAZEL_STARTUP_OPTIONS test --copt=-fno-exceptions --//api:with_cxx_stdlib=none $BAZEL_TEST_OPTIONS_ASYNC -- //... -//exporters/prometheus/... -//examples/prometheus/... -//opentracing-shim/... -//examples/configuration/... -//sdk/src/configuration/... -//sdk/test/configuration/...
   exit 0
 elif [[ "$1" == "bazel.nortti" ]]; then
   # there are some exceptions and error handling code from the Prometheus Client

@@ -66,7 +66,7 @@ if [ -z "${THIRDPARTY_INSTALL_DIR}" ]; then
 fi
 
 if [ -z "${CXX_STANDARD}" ]; then
-    CXX_STANDARD=14
+    CXX_STANDARD=17
 fi
 
 THIRDPARTY_BUILD_DIR="/tmp/otel-cpp-third-party-build"

@@ -28,6 +28,7 @@ if(NOT gRPC_FOUND)
   set(gRPC_PROVIDER "fetch_repository")
 
   set(gRPC_INSTALL ${OPENTELEMETRY_INSTALL} CACHE BOOL "" FORCE)
+  set(protobuf_INSTALL ${OPENTELEMETRY_INSTALL} CACHE BOOL "" FORCE)
   set(gRPC_BUILD_TESTS OFF CACHE BOOL "" FORCE)
   set(gRPC_BUILD_GRPC_CPP_PLUGIN ON CACHE BOOL "" FORCE)
   set(gRPC_BUILD_GRPC_CSHARP_PLUGIN OFF CACHE BOOL "" FORCE)

@@ -91,7 +91,7 @@ else()
 endif()
 
 if(NOT CMAKE_CXX_STANDARD)
-  set(CMAKE_CXX_STANDARD 14)
+  set(CMAKE_CXX_STANDARD 17)
 endif()
 
 set(CMAKE_OPTIONS

@@ -14,17 +14,17 @@
 #     - opentelemetry-cpp/MODULE.bazel
 #     - opentelemetry-cpp/bazel/repository.bzl
 
-abseil=20220623.2
+abseil=20250127.0
 zlib=v1.3.1
-curl=curl-8_12_0
-protobuf=v3.21.6
-grpc=v1.49.2
-benchmark=v1.8.3
-googletest=v1.14.0
-ms-gsl=v3.1.0
+curl=curl-8_16_0
+protobuf=v6.31.1
+grpc=v1.75.1
+benchmark=v1.9.4
+googletest=v1.17.0
+ms-gsl=v4.2.0
 nlohmann-json=v3.12.0
 opentelemetry-proto=v1.7.0
 opentracing-cpp=v1.6.0
 prometheus-cpp=v1.3.0
-vcpkg=2024.02.14
 ryml=v0.9.0
+vcpkg=2024.02.14
+0 −43		.github/workflows/gtest-ci.yml
+1 −0		.gitignore
+44 −13		BUILD.bazel
+12 −3		CMakeLists.txt
+4 −4		CONTRIBUTING.md
+1 −0		CONTRIBUTORS
+76 −0		MODULE.bazel
+8 −21		README.md
+47 −13		WORKSPACE
+35 −0		WORKSPACE.bzlmod
+49 −29		ci/linux-presubmit.sh
+8 −4		ci/macos-presubmit.sh
+32 −15		ci/windows-presubmit.bat
+91 −61		docs/advanced.md
+18 −52		docs/faq.md
+87 −19		docs/gmock_cook_book.md
+4 −2		docs/gmock_for_dummies.md
+19 −20		docs/primer.md
+23 −30		docs/quickstart-bazel.md
+2 −1		docs/reference/actions.md
+10 −3		docs/reference/assertions.md
+7 −4		docs/reference/matchers.md
+1 −2		docs/reference/mocking.md
+123 −5		docs/reference/testing.md
+61 −0		fake_fuchsia_sdk.bzl
+14 −13		googlemock/CMakeLists.txt
+3 −3		googlemock/README.md
+132 −25		googlemock/include/gmock/gmock-actions.h
+5 −4		googlemock/include/gmock/gmock-function-mocker.h
+423 −155		googlemock/include/gmock/gmock-matchers.h
+12 −11		googlemock/include/gmock/gmock-more-actions.h
+4 −6		googlemock/include/gmock/gmock-spec-builders.h
+8 −7		googlemock/include/gmock/gmock.h
+8 −11		googlemock/include/gmock/internal/gmock-internal-utils.h
+5 −4		googlemock/include/gmock/internal/gmock-port.h
+4 −4		googlemock/src/gmock-cardinalities.cc
+3 −2		googlemock/src/gmock-internal-utils.cc
+14 −15		googlemock/src/gmock-matchers.cc
+2 −1		googlemock/src/gmock-spec-builders.cc
+71 −7		googlemock/test/gmock-actions_test.cc
+2 −2		googlemock/test/gmock-function-mocker_test.cc
+210 −27		googlemock/test/gmock-matchers-arithmetic_test.cc
+140 −5		googlemock/test/gmock-matchers-comparisons_test.cc
+331 −22		googlemock/test/gmock-matchers-containers_test.cc
+82 −23		googlemock/test/gmock-matchers-misc_test.cc
+78 −11		googlemock/test/gmock-more-actions_test.cc
+1 −1		googlemock/test/gmock-pp_test.cc
+4 −5		googlemock/test/gmock-spec-builders_test.cc
+9 −0		googlemock/test/gmock_link_test.h
+14 −14		googletest/CMakeLists.txt
+4 −4		googletest/README.md
+4 −0		googletest/cmake/Config.cmake.in
+23 −21		googletest/cmake/internal_utils.cmake
+7 −0		googletest/include/gtest/gtest-assertion-result.h
+4 −4		googletest/include/gtest/gtest-death-test.h
+3 −3		googletest/include/gtest/gtest-matchers.h
+9 −10		googletest/include/gtest/gtest-message.h
+96 −40		googletest/include/gtest/gtest-param-test.h
+102 −27		googletest/include/gtest/gtest-printers.h
+21 −21		googletest/include/gtest/gtest-typed-test.h
+38 −21		googletest/include/gtest/gtest.h
+25 −26		googletest/include/gtest/internal/gtest-death-test-internal.h
+7 −1		googletest/include/gtest/internal/gtest-filepath.h
+68 −111		googletest/include/gtest/internal/gtest-internal.h
+125 −87		googletest/include/gtest/internal/gtest-param-util.h
+2 −0		googletest/include/gtest/internal/gtest-port-arch.h
+94 −89		googletest/include/gtest/internal/gtest-port.h
+3 −3		googletest/include/gtest/internal/gtest-type-util.h
+19 −17		googletest/src/gtest-death-test.cc
+1 −1		googletest/src/gtest-filepath.cc
+33 −17		googletest/src/gtest-internal-inl.h
+70 −28		googletest/src/gtest-port.cc
+329 −152		googletest/src/gtest.cc
+51 −17		googletest/test/BUILD.bazel
+1 −0		googletest/test/googletest-color-test.py
+41 −37		googletest/test/googletest-death-test-test.cc
+38 −0		googletest/test/googletest-fail-if-no-test-linked-test-with-disabled-test_.cc
+38 −0		googletest/test/googletest-fail-if-no-test-linked-test-with-enabled-test_.cc
+169 −0		googletest/test/googletest-fail-if-no-test-linked-test.py
+19 −0		googletest/test/googletest-filter-unittest.py
+110 −16		googletest/test/googletest-json-output-unittest.py
+4 −1		googletest/test/googletest-options-test.cc
+0 −5		googletest/test/googletest-output-test-golden-lin.txt
+70 −0		googletest/test/googletest-param-test-test.cc
+3 −3		googletest/test/googletest-port-test.cc
+47 −1		googletest/test/googletest-printers-test.cc
+2 −2		googletest/test/googletest-setuptestsuite-test_.cc
+52 −44		googletest/test/gtest_environment_test.cc
+23 −41		googletest/test/gtest_help_test.py
+3 −0		googletest/test/gtest_json_test_utils.py
+1 −3		googletest/test/gtest_repeat_test.cc
+67 −27		googletest/test/gtest_unittest.cc
+76 −32		googletest/test/gtest_xml_output_unittest.py
+21 −1		googletest/test/gtest_xml_output_unittest_.cc
+16 −10		googletest_deps.bzl
+1 −0		.gitattributes
+29 −0		.github/ISSUE_TEMPLATE/bug_report.md
+21 −12		.github/workflows/android.yml
+56 −0		.github/workflows/cmake/action.yml
+25 −0		.github/workflows/cmake_find_package.yml
+115 −0		.github/workflows/compilers.yml
+7 −6		.github/workflows/ios.yml
+0 −337		.travis.yml
+32 −111		CMakeLists.txt
+1 −1		CONTRIBUTING.md
+4 −31		GSL.natvis
+103 −68		README.md
+41 −0		SECURITY.md
+0 −114		appveyor.yml
+884 −0		docs/headers.md
+13 −0		include/CMakeLists.txt
+4 −2		include/gsl/algorithm
+10 −10		include/gsl/assert
+38 −48		include/gsl/byte
+13 −8		include/gsl/gsl
+0 −52		include/gsl/gsl_narrow
+0 −129		include/gsl/gsl_util
+0 −2,263		include/gsl/multi_span
+82 −0		include/gsl/narrow
+121 −47		include/gsl/pointers
+141 −90		include/gsl/span
+20 −4		include/gsl/span_ext
+0 −785		include/gsl/string_span
+200 −0		include/gsl/util
+58 −0		include/gsl/zstring
+98 −51		tests/CMakeLists.txt
+2 −2		tests/CMakeLists.txt.in
+13 −16		tests/algorithm_tests.cpp
+6 −7		tests/assertion_tests.cpp
+68 −30		tests/at_tests.cpp
+0 −102		tests/bounds_tests.cpp
+65 −16		tests/byte_tests.cpp
+11 −0		tests/deathTestCommon.h
+0 −1,866		tests/multi_span_tests.cpp
+7 −0		tests/no_exception_ensure_tests.cpp
+254 −51		tests/notnull_tests.cpp
+17 −10		tests/owner_tests.cpp
+97 −0		tests/pointers_tests.cpp
+13 −8		tests/span_compatibility_tests.cpp
+302 −282		tests/span_ext_tests.cpp
+1,129 −981		tests/span_tests.cpp
+293 −22		tests/strict_notnull_tests.cpp
+0 −790		tests/strided_span_tests.cpp
+0 −1,217		tests/string_span_tests.cpp
+25 −7		tests/utils_tests.cpp