use a common add_external_project function to find or fetch third party dependencies

Author: dbarker

.github/workflows/cmake_install.yml

@@ -80,11 +80,12 @@ jobs:
     - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with:
         submodules: 'recursive'
-    - name: Install libcurl, zlib, nlohmann-json with apt
+    - name: Install libcurl, zlib, libbenchmark, nlohmann-json with apt
       run: |
         sudo -E ./ci/setup_ci_environment.sh
         sudo -E ./ci/setup_cmake.sh
         sudo -E ./ci/setup_googletest.sh
+        sudo -E apt-get install -y libcurl4-openssl-dev zlib1g-dev libbenchmark-dev nlohmann-json3-dev
     - name: Install abseil, protobuf, and grpc with apt
       run: |
         sudo -E apt-get update
@@ -98,6 +99,39 @@ jobs:
         BUILD_SHARED_LIBS: 'ON'
       run: ./ci/do_ci.sh cmake.install.test
 
+  ubuntu_2404_all_fetch:
+    name: Ubuntu 24.04 fetch all dependencies (static libs - shared libs - opentracing shim)
+    runs-on: ubuntu-24.04
+    env:
+      INSTALL_TEST_DIR: '/home/runner/install_test'
+      # Set to the minimum cmake version
+      CMAKE_VERSION: '3.14.0'
+      # The default cxx standard for Ubuntu 24.04
+      CXX_STANDARD: '17'
+      BUILD_TYPE: 'Debug'
+    steps:
+    - name: Harden the runner (Audit all outbound calls)
+      uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
+      with:
+        egress-policy: audit
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      with:
+        submodules: false
+    - name: Install libcurl and zlib with apt
+      run: |
+        sudo -E ./ci/setup_ci_environment.sh
+        sudo -E ./ci/setup_cmake.sh
+    - name: Run Tests (static libs)
+      env:
+        BUILD_SHARED_LIBS: 'OFF'
+      run: ./ci/do_ci.sh cmake.install.test
+    - name: Run Tests (shared libs)
+      env:
+        BUILD_SHARED_LIBS: 'ON'
+      run: ./ci/do_ci.sh cmake.install.test
+    - name: Run OpenTracing Shim Test
+      run: ./ci/do_ci.sh cmake.opentracing_shim.install.test
+
   ubuntu_2404_latest:
     name: Ubuntu 24.04 latest versions cxx20 (static libs)
     runs-on: ubuntu-24.04
@@ -270,7 +304,7 @@ jobs:
         run: ./ci/do_ci.sh cmake.opentracing_shim.install.test
 
   ubuntu_2404_conan_latest:
-    name: Ubuntu 24.04 conan latest versions cxx17 (static libs)
+    name: Ubuntu 24.04 conan latest versions cxx17 (static libs - opentracing shim)
     runs-on: ubuntu-24.04
     env:
       INSTALL_TEST_DIR: '/home/runner/install_test'
@@ -305,6 +339,8 @@ jobs:
         run: |
           export PKG_CONFIG_PATH=$INSTALL_TEST_DIR/lib/pkgconfig:$PKG_CONFIG_PATH
           ./ci/verify_packages.sh
+      - name: Run OpenTracing Shim Test
+        run: ./ci/do_ci.sh cmake.opentracing_shim.install.test
 
   macos_14_conan_stable:
     name: macOS 14 conan stable versions cxx17 (static libs)