CXX-3363 bump required C driver to 2.1.2 (#1473)

* require C driver 2.1.2
* regenerate SBOM-lite
* update augmented SBOM from Evergreen
* update tested file checks to `bson.h`
  * `bson-config.h` was renamed in CDRIVER-4153.
* fix tag in SBOM
  * There is no `v` prefix in the C driver release tags.

Author: kevinAlbs

.evergreen/config_generator/components/funcs/install_c_driver.py

@@ -12,7 +12,7 @@
 # - the default value of --c-driver-build-ref in etc/make_release.py
 # If pinning to an unreleased commit, create a "Blocked" JIRA ticket with
 # a "depends on" link to the appropriate C Driver version release ticket.
-MONGOC_VERSION_MINIMUM = '912209d5dc985758bc3d70b105dc5166e3ded7c3'  # TODO: bump to 2.1.0 once released.
+MONGOC_VERSION_MINIMUM = '2.1.2'
 
 
 class InstallCDriver(Function):

.evergreen/generated_configs/functions.yml

@@ -391,7 +391,7 @@ functions:
       type: setup
       params:
         updates:
-          - { key: mongoc_version_minimum, value: 912209d5dc985758bc3d70b105dc5166e3ded7c3 }
+          - { key: mongoc_version_minimum, value: 2.1.2 }
     - command: subprocess.exec
       type: setup
       params:

.evergreen/scripts/cmake-compat.sh

@@ -53,13 +53,13 @@ printf " - %s\n" "${cmake_flags[@]:?}"
 cmake -S . -B build "${cmake_flags[@]:?}"
 cmake --build build --target install
 
-# Use generated header bson-config.h to detect installation of C Driver libraries.
-bson_config_h="$(find install -name 'bson-config.h')"
-if [[ "${INSTALL_C_DRIVER:?}" == 1 ]] && [[ -n "${bson_config_h:-}" ]]; then
-  echo "bson-config.h SHOULD NOT be present in $(pwd)/install" >&2
+# Use header bson.h to detect installation of C Driver libraries.
+bson_h="$(find install -name 'bson.h')"
+if [[ "${INSTALL_C_DRIVER:?}" == 1 ]] && [[ -n "${bson_h:-}" ]]; then
+  echo "bson.h SHOULD NOT be present in $(pwd)/install" >&2
   exit 1
 fi
-if [[ "${INSTALL_C_DRIVER:?}" != 1 ]] && [[ -z "${bson_config_h:-}" ]]; then
-  echo "bson-config.h SHOULD be present in $(pwd)/install" >&2
+if [[ "${INSTALL_C_DRIVER:?}" != 1 ]] && [[ -z "${bson_h:-}" ]]; then
+  echo "bson.h SHOULD be present in $(pwd)/install" >&2
   exit 1
 fi

.evergreen/scripts/compile.sh

@@ -309,9 +309,9 @@ if [[ "${_RUN_DISTCHECK:-}" ]]; then
   cmake --build . --config "${build_type:?}" --target distcheck
 fi
 
-if [[ -n "$(find "${mongoc_prefix:?}" -name 'bson-config.h')" ]]; then
+if [[ -n "$(find "${mongoc_prefix:?}" -name 'bson.h')" ]]; then
   : # Used install-c-driver.sh.
-elif [[ -n "$(find install -name 'bson-config.h')" ]]; then
+elif [[ -n "$(find install -name 'bson.h')" ]]; then
   : # Used auto-downloaded C Driver.
 else
   echo "unexpectedly compiled using a system mongoc library" 1>&2

CHANGELOG.md

@@ -36,6 +36,7 @@ Changes prior to 3.9.0 are documented as [release notes on GitHub](https://githu
   - MSVC 19.0.24210 with Visual Studio 2015 Update 3 (from MSVC 19.0.23506 with Visual Studio 2015 Update 1).
 - `mongocxx::v_noabi::instance::~instance()` no longer skips calling `mongoc_cleanup()` when compiled with ASAN enabled.
   - See https://github.com/google/sanitizers/issues/89 for context.
+- Bump the minimum required C Driver version to [2.1.2](https://github.com/mongodb/mongo-c-driver/releases/tag/2.1.2).
 
 ### Deprecated
 

CMakeLists.txt

@@ -57,9 +57,9 @@ else()
 endif()
 
 # Also update etc/purls.txt.
-set(BSON_REQUIRED_VERSION 2.0.2)
-set(MONGOC_REQUIRED_VERSION 2.0.2)
-set(MONGOC_DOWNLOAD_VERSION 2.0.2)
+set(BSON_REQUIRED_VERSION 2.1.2)
+set(MONGOC_REQUIRED_VERSION 2.1.2)
+set(MONGOC_DOWNLOAD_VERSION 2.1.2)
 
 # All of our target compilers support the deprecated
 # attribute. Normally, we would just let the GenerateExportHeader

etc/augmented.sbom.json

@@ -1,16 +1,16 @@
 {
   "components": [
     {
-      "bom-ref": "pkg:github/mongodb/mongo-c-driver@v2.0.2",
+      "bom-ref": "pkg:github/mongodb/mongo-c-driver@2.1.2",
       "copyright": "Copyright 2009-present MongoDB, Inc.",
       "externalReferences": [
         {
           "type": "distribution",
-          "url": "https://github.com/mongodb/mongo-c-driver/archive/refs/tags/v2.0.2.tar.gz"
+          "url": "https://github.com/mongodb/mongo-c-driver/archive/refs/tags/2.1.2.tar.gz"
         },
         {
           "type": "website",
-          "url": "https://github.com/mongodb/mongo-c-driver/tree/v2.0.2"
+          "url": "https://github.com/mongodb/mongo-c-driver/tree/2.1.2"
         }
       ],
       "group": "mongodb",
@@ -22,18 +22,18 @@
         }
       ],
       "name": "mongo-c-driver",
-      "purl": "pkg:github/mongodb/mongo-c-driver@v2.0.2",
+      "purl": "pkg:github/mongodb/mongo-c-driver@2.1.2",
       "type": "library",
-      "version": "v2.0.2"
+      "version": "2.1.2"
     }
   ],
   "dependencies": [
     {
-      "ref": "pkg:github/mongodb/mongo-c-driver@v2.0.2"
+      "ref": "pkg:github/mongodb/mongo-c-driver@2.1.2"
     }
   ],
   "metadata": {
-    "timestamp": "2025-09-30T19:07:03.964583+00:00",
+    "timestamp": "2025-10-07T17:27:33.460808+00:00",
     "tools": [
       {
         "externalReferences": [

etc/cyclonedx.sbom.json

@@ -1,16 +1,16 @@
 {
   "components": [
     {
-      "bom-ref": "pkg:github/mongodb/mongo-c-driver@v2.0.2",
+      "bom-ref": "pkg:github/mongodb/mongo-c-driver@2.1.2",
       "copyright": "Copyright 2009-present MongoDB, Inc.",
       "externalReferences": [
         {
           "type": "distribution",
-          "url": "https://github.com/mongodb/mongo-c-driver/archive/refs/tags/v2.0.2.tar.gz"
+          "url": "https://github.com/mongodb/mongo-c-driver/archive/refs/tags/2.1.2.tar.gz"
         },
         {
           "type": "website",
-          "url": "https://github.com/mongodb/mongo-c-driver/tree/v2.0.2"
+          "url": "https://github.com/mongodb/mongo-c-driver/tree/2.1.2"
         }
       ],
       "group": "mongodb",
@@ -22,18 +22,18 @@
         }
       ],
       "name": "mongo-c-driver",
-      "purl": "pkg:github/mongodb/mongo-c-driver@v2.0.2",
+      "purl": "pkg:github/mongodb/mongo-c-driver@2.1.2",
       "type": "library",
-      "version": "v2.0.2"
+      "version": "2.1.2"
     }
   ],
   "dependencies": [
     {
-      "ref": "pkg:github/mongodb/mongo-c-driver@v2.0.2"
+      "ref": "pkg:github/mongodb/mongo-c-driver@2.1.2"
     }
   ],
   "metadata": {
-    "timestamp": "2025-09-30T19:07:03.964583+00:00",
+    "timestamp": "2025-10-07T17:27:33.460808+00:00",
     "tools": [
       {
         "externalReferences": [

etc/make_release.py

@@ -100,7 +100,7 @@
 )
 @click.option(
     '--c-driver-build-ref',
-    default='2.0.2',
+    default='2.1.2',
     show_default=True,
     help='When building the C driver, build at this Git reference',
 )

etc/purls.txt

@@ -6,4 +6,4 @@
 # re-generate the SBOM JSON file!
 
 # bson and mongoc may be obtained via cmake/FetchMongoC.cmake.
-pkg:github/mongodb/mongo-c-driver@v2.0.2
+pkg:github/mongodb/mongo-c-driver@2.1.2