diff --git a/.azure-pipelines/azure-pipelines-osx.yml b/.azure-pipelines/azure-pipelines-osx.yml
new file mode 100755
index 0000000..7c4c40e
--- /dev/null
+++ b/.azure-pipelines/azure-pipelines-osx.yml
@@ -0,0 +1,39 @@
+# This file was generated automatically from conda-smithy. To update this configuration,
+# update the conda-forge.yml and/or the recipe/meta.yaml.
+# -*- mode: yaml -*-
+
+jobs:
+- job: osx
+  pool:
+    vmImage: macOS-10.15
+  strategy:
+    matrix:
+      osx_64_python3.7.____cpython:
+        CONFIG: osx_64_python3.7.____cpython
+        UPLOAD_PACKAGES: 'True'
+      osx_64_python3.8.____cpython:
+        CONFIG: osx_64_python3.8.____cpython
+        UPLOAD_PACKAGES: 'True'
+      osx_64_python3.9.____cpython:
+        CONFIG: osx_64_python3.9.____cpython
+        UPLOAD_PACKAGES: 'True'
+  timeoutInMinutes: 360
+
+  steps:
+  # TODO: Fast finish on azure pipelines?
+  - script: |
+      export CI=azure
+      export OSX_FORCE_SDK_DOWNLOAD="1"
+      export GIT_BRANCH=$BUILD_SOURCEBRANCHNAME
+      export FEEDSTOCK_NAME=$(basename ${BUILD_REPOSITORY_NAME})
+      if [[ "${BUILD_REASON:-}" == "PullRequest" ]]; then
+        export IS_PR_BUILD="True"
+      else
+        export IS_PR_BUILD="False"
+      fi
+      ./.scripts/run_osx_build.sh
+    displayName: Run OSX build
+    env:
+      BINSTAR_TOKEN: $(BINSTAR_TOKEN)
+      FEEDSTOCK_TOKEN: $(FEEDSTOCK_TOKEN)
+      STAGING_BINSTAR_TOKEN: $(STAGING_BINSTAR_TOKEN)
\ No newline at end of file
diff --git a/.ci_support/README b/.ci_support/README
index e4e2dce..a47316b 100644
--- a/.ci_support/README
+++ b/.ci_support/README
@@ -1 +1,6 @@
-This file is automatically generated by conda-smithy.  To change any matrix elements, you should change conda-smithy's input conda_build_config.yaml and re-render the recipe, rather than editing these files directly.
\ No newline at end of file
+This file is automatically generated by conda-smithy. If any
+particular build configuration is expected, but it is not found,
+please make sure all dependencies are satisfiable. To add/modify any
+matrix elements, you should create/change conda-smithy's input
+recipe/conda_build_config.yaml and re-render the recipe, rather than
+editing these files directly.
diff --git a/.ci_support/linux_64_python3.7.____cpython.yaml b/.ci_support/linux_64_python3.7.____cpython.yaml
index b064973..712d90d 100644
--- a/.ci_support/linux_64_python3.7.____cpython.yaml
+++ b/.ci_support/linux_64_python3.7.____cpython.yaml
@@ -1,9 +1,9 @@
 abseil_cpp:
-- '20210324.2'
+- '20211102.0'
 c_compiler:
 - gcc
 c_compiler_version:
-- '9'
+- '10'
 cdt_name:
 - cos6
 channel_sources:
@@ -21,7 +21,7 @@ coin_or_utils:
 cxx_compiler:
 - gxx
 cxx_compiler_version:
-- '9'
+- '10'
 docker_image:
 - quay.io/condaforge/linux-anvil-cos7-x86_64
 libprotobuf:
diff --git a/.ci_support/linux_64_python3.8.____cpython.yaml b/.ci_support/linux_64_python3.8.____cpython.yaml
index 75d906a..f9f64e5 100644
--- a/.ci_support/linux_64_python3.8.____cpython.yaml
+++ b/.ci_support/linux_64_python3.8.____cpython.yaml
@@ -1,9 +1,9 @@
 abseil_cpp:
-- '20210324.2'
+- '20211102.0'
 c_compiler:
 - gcc
 c_compiler_version:
-- '9'
+- '10'
 cdt_name:
 - cos6
 channel_sources:
@@ -21,7 +21,7 @@ coin_or_utils:
 cxx_compiler:
 - gxx
 cxx_compiler_version:
-- '9'
+- '10'
 docker_image:
 - quay.io/condaforge/linux-anvil-cos7-x86_64
 libprotobuf:
diff --git a/.ci_support/linux_64_python3.9.____cpython.yaml b/.ci_support/linux_64_python3.9.____cpython.yaml
index f8c8bd2..dd478a4 100644
--- a/.ci_support/linux_64_python3.9.____cpython.yaml
+++ b/.ci_support/linux_64_python3.9.____cpython.yaml
@@ -1,9 +1,9 @@
 abseil_cpp:
-- '20210324.2'
+- '20211102.0'
 c_compiler:
 - gcc
 c_compiler_version:
-- '9'
+- '10'
 cdt_name:
 - cos6
 channel_sources:
@@ -21,7 +21,7 @@ coin_or_utils:
 cxx_compiler:
 - gxx
 cxx_compiler_version:
-- '9'
+- '10'
 docker_image:
 - quay.io/condaforge/linux-anvil-cos7-x86_64
 libprotobuf:
diff --git a/.ci_support/migrations/abseil_cpp20211102.yaml b/.ci_support/migrations/abseil_cpp20211102.yaml
new file mode 100644
index 0000000..d678b94
--- /dev/null
+++ b/.ci_support/migrations/abseil_cpp20211102.yaml
@@ -0,0 +1,8 @@
+migrator_ts: 1644918847
+__migrator:
+  kind: version
+  migration_number: 1
+  bump_number: 1
+
+abseil_cpp:
+ - '20211102.0'
diff --git a/.ci_support/osx_64_python3.7.____cpython.yaml b/.ci_support/osx_64_python3.7.____cpython.yaml
new file mode 100644
index 0000000..0eec1bb
--- /dev/null
+++ b/.ci_support/osx_64_python3.7.____cpython.yaml
@@ -0,0 +1,45 @@
+MACOSX_DEPLOYMENT_TARGET:
+- '10.15'
+MACOSX_SDK_VERSION:
+- '10.15'
+abseil_cpp:
+- '20211102.0'
+c_compiler:
+- clang
+c_compiler_version:
+- '12'
+channel_sources:
+- conda-forge
+channel_targets:
+- conda-forge main
+coin_or_cbc:
+- '2.10'
+coin_or_cgl:
+- '0.60'
+coin_or_osi:
+- '0.108'
+coin_or_utils:
+- '2.11'
+cxx_compiler:
+- clangxx
+cxx_compiler_version:
+- '12'
+libprotobuf:
+- '3.19'
+macos_machine:
+- x86_64-apple-darwin13.4.0
+numpy:
+- '1.18'
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- 3.7.* *_cpython
+target_platform:
+- osx-64
+zip_keys:
+- - c_compiler_version
+  - cxx_compiler_version
+- - python
+  - numpy
diff --git a/.ci_support/osx_64_python3.8.____cpython.yaml b/.ci_support/osx_64_python3.8.____cpython.yaml
new file mode 100644
index 0000000..d90fc44
--- /dev/null
+++ b/.ci_support/osx_64_python3.8.____cpython.yaml
@@ -0,0 +1,45 @@
+MACOSX_DEPLOYMENT_TARGET:
+- '10.15'
+MACOSX_SDK_VERSION:
+- '10.15'
+abseil_cpp:
+- '20211102.0'
+c_compiler:
+- clang
+c_compiler_version:
+- '12'
+channel_sources:
+- conda-forge
+channel_targets:
+- conda-forge main
+coin_or_cbc:
+- '2.10'
+coin_or_cgl:
+- '0.60'
+coin_or_osi:
+- '0.108'
+coin_or_utils:
+- '2.11'
+cxx_compiler:
+- clangxx
+cxx_compiler_version:
+- '12'
+libprotobuf:
+- '3.19'
+macos_machine:
+- x86_64-apple-darwin13.4.0
+numpy:
+- '1.18'
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- 3.8.* *_cpython
+target_platform:
+- osx-64
+zip_keys:
+- - c_compiler_version
+  - cxx_compiler_version
+- - python
+  - numpy
diff --git a/.ci_support/osx_64_python3.9.____cpython.yaml b/.ci_support/osx_64_python3.9.____cpython.yaml
new file mode 100644
index 0000000..434295f
--- /dev/null
+++ b/.ci_support/osx_64_python3.9.____cpython.yaml
@@ -0,0 +1,45 @@
+MACOSX_DEPLOYMENT_TARGET:
+- '10.15'
+MACOSX_SDK_VERSION:
+- '10.15'
+abseil_cpp:
+- '20211102.0'
+c_compiler:
+- clang
+c_compiler_version:
+- '12'
+channel_sources:
+- conda-forge
+channel_targets:
+- conda-forge main
+coin_or_cbc:
+- '2.10'
+coin_or_cgl:
+- '0.60'
+coin_or_osi:
+- '0.108'
+coin_or_utils:
+- '2.11'
+cxx_compiler:
+- clangxx
+cxx_compiler_version:
+- '12'
+libprotobuf:
+- '3.19'
+macos_machine:
+- x86_64-apple-darwin13.4.0
+numpy:
+- '1.19'
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- 3.9.* *_cpython
+target_platform:
+- osx-64
+zip_keys:
+- - c_compiler_version
+  - cxx_compiler_version
+- - python
+  - numpy
diff --git a/.gitattributes b/.gitattributes
index ce52713..7f32763 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -9,6 +9,7 @@ bld.bat text eol=crlf
 # github helper pieces to make some files not show up in diffs automatically
 .azure-pipelines/* linguist-generated=true
 .circleci/* linguist-generated=true
+.ci_support/README linguist-generated=true
 .drone/* linguist-generated=true
 .drone.yml linguist-generated=true
 .github/* linguist-generated=true
diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index ff01283..d71d6ae 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -29,8 +29,10 @@ conda-build:
 CONDARC
 
 
-mamba install --update-specs --yes --quiet "conda-forge-ci-setup=3" conda-build pip boa -c conda-forge
-mamba update --update-specs --yes --quiet "conda-forge-ci-setup=3" conda-build pip boa -c conda-forge
+mamba install --update-specs --yes --quiet --channel conda-forge \
+    conda-build pip boa conda-forge-ci-setup=3
+mamba update --update-specs --yes --quiet --channel conda-forge \
+    conda-build pip boa conda-forge-ci-setup=3
 
 # set up the condarc
 setup_conda_rc "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
diff --git a/.scripts/run_docker_build.sh b/.scripts/run_docker_build.sh
index 0c6515f..9236239 100755
--- a/.scripts/run_docker_build.sh
+++ b/.scripts/run_docker_build.sh
@@ -14,7 +14,7 @@ set -xeo pipefail
 THISDIR="$( cd "$( dirname "$0" )" >/dev/null && pwd )"
 PROVIDER_DIR="$(basename $THISDIR)"
 
-FEEDSTOCK_ROOT=$(cd "$(dirname "$0")/.."; pwd;)
+FEEDSTOCK_ROOT="$( cd "$( dirname "$0" )/.." >/dev/null && pwd )"
 RECIPE_ROOT="${FEEDSTOCK_ROOT}/recipe"
 
 if [ -z ${FEEDSTOCK_NAME} ]; then
diff --git a/.scripts/run_osx_build.sh b/.scripts/run_osx_build.sh
new file mode 100755
index 0000000..19843e0
--- /dev/null
+++ b/.scripts/run_osx_build.sh
@@ -0,0 +1,87 @@
+#!/usr/bin/env bash
+
+# -*- mode: jinja-shell -*-
+
+source .scripts/logging_utils.sh
+
+set -xe
+
+MINIFORGE_HOME=${MINIFORGE_HOME:-${HOME}/miniforge3}
+
+( startgroup "Installing a fresh version of Miniforge" ) 2> /dev/null
+
+MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download"
+MINIFORGE_FILE="Mambaforge-MacOSX-$(uname -m).sh"
+curl -L -O "${MINIFORGE_URL}/${MINIFORGE_FILE}"
+rm -rf ${MINIFORGE_HOME}
+bash $MINIFORGE_FILE -b -p ${MINIFORGE_HOME}
+
+( endgroup "Installing a fresh version of Miniforge" ) 2> /dev/null
+
+( startgroup "Configuring conda" ) 2> /dev/null
+
+source ${MINIFORGE_HOME}/etc/profile.d/conda.sh
+conda activate base
+
+echo -e "\n\nInstalling ['conda-forge-ci-setup=3'] and conda-build."
+mamba install --update-specs --quiet --yes --channel conda-forge \
+    conda-build pip boa conda-forge-ci-setup=3
+mamba update --update-specs --yes --quiet --channel conda-forge \
+    conda-build pip boa conda-forge-ci-setup=3
+
+
+
+echo -e "\n\nSetting up the condarc and mangling the compiler."
+setup_conda_rc ./ ./recipe ./.ci_support/${CONFIG}.yaml
+
+if [[ "${CI:-}" != "" ]]; then
+  mangle_compiler ./ ./recipe .ci_support/${CONFIG}.yaml
+fi
+
+if [[ "${CI:-}" != "" ]]; then
+  echo -e "\n\nMangling homebrew in the CI to avoid conflicts."
+  /usr/bin/sudo mangle_homebrew
+  /usr/bin/sudo -k
+else
+  echo -e "\n\nNot mangling homebrew as we are not running in CI"
+fi
+
+echo -e "\n\nRunning the build setup script."
+source run_conda_forge_build_setup
+
+
+
+( endgroup "Configuring conda" ) 2> /dev/null
+
+echo -e "\n\nMaking the build clobber file"
+make_build_number ./ ./recipe ./.ci_support/${CONFIG}.yaml
+
+
+if [[ "${BUILD_WITH_CONDA_DEBUG:-0}" == 1 ]]; then
+    if [[ "x${BUILD_OUTPUT_ID:-}" != "x" ]]; then
+        EXTRA_CB_OPTIONS="${EXTRA_CB_OPTIONS:-} --output-id ${BUILD_OUTPUT_ID}"
+    fi
+    conda debug ./recipe -m ./.ci_support/${CONFIG}.yaml \
+        ${EXTRA_CB_OPTIONS:-} \
+        --clobber-file ./.ci_support/clobber_${CONFIG}.yaml
+
+    # Drop into an interactive shell
+    /bin/bash
+else
+    conda mambabuild ./recipe -m ./.ci_support/${CONFIG}.yaml \
+        --suppress-variables ${EXTRA_CB_OPTIONS:-} \
+        --clobber-file ./.ci_support/clobber_${CONFIG}.yaml
+    ( startgroup "Validating outputs" ) 2> /dev/null
+
+    validate_recipe_outputs "${FEEDSTOCK_NAME}"
+
+    ( endgroup "Validating outputs" ) 2> /dev/null
+
+    ( startgroup "Uploading packages" ) 2> /dev/null
+
+    if [[ "${UPLOAD_PACKAGES}" != "False" ]] && [[ "${IS_PR_BUILD}" == "False" ]]; then
+      upload_package --validate --feedstock-name="${FEEDSTOCK_NAME}" ./ ./recipe ./.ci_support/${CONFIG}.yaml
+    fi
+
+    ( endgroup "Uploading packages" ) 2> /dev/null
+fi
\ No newline at end of file
diff --git a/LICENSE.txt b/LICENSE.txt
index ed3f451..6ec1401 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,5 +1,5 @@
 BSD 3-clause license
-Copyright (c) 2015-2021, conda-forge contributors
+Copyright (c) 2015-2022, conda-forge contributors
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
diff --git a/README.md b/README.md
index e375d62..31ad9a5 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,27 @@ Current build status
                   <img src="https://dev.azure.com/conda-forge/feedstock-builds/_apis/build/status/or-tools-feedstock?branchName=master&jobName=linux&configuration=linux_64_python3.9.____cpython" alt="variant">
                 </a>
               </td>
+            </tr><tr>
+              <td>osx_64_python3.7.____cpython</td>
+              <td>
+                <a href="https://dev.azure.com/conda-forge/feedstock-builds/_build/latest?definitionId=14287&branchName=master">
+                  <img src="https://dev.azure.com/conda-forge/feedstock-builds/_apis/build/status/or-tools-feedstock?branchName=master&jobName=osx&configuration=osx_64_python3.7.____cpython" alt="variant">
+                </a>
+              </td>
+            </tr><tr>
+              <td>osx_64_python3.8.____cpython</td>
+              <td>
+                <a href="https://dev.azure.com/conda-forge/feedstock-builds/_build/latest?definitionId=14287&branchName=master">
+                  <img src="https://dev.azure.com/conda-forge/feedstock-builds/_apis/build/status/or-tools-feedstock?branchName=master&jobName=osx&configuration=osx_64_python3.8.____cpython" alt="variant">
+                </a>
+              </td>
+            </tr><tr>
+              <td>osx_64_python3.9.____cpython</td>
+              <td>
+                <a href="https://dev.azure.com/conda-forge/feedstock-builds/_build/latest?definitionId=14287&branchName=master">
+                  <img src="https://dev.azure.com/conda-forge/feedstock-builds/_apis/build/status/or-tools-feedstock?branchName=master&jobName=osx&configuration=osx_64_python3.9.____cpython" alt="variant">
+                </a>
+              </td>
             </tr>
           </tbody>
         </table>
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index ad85a2c..33a441c 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -3,4 +3,5 @@
 # -*- mode: yaml -*-
 
 jobs:
-  - template: ./.azure-pipelines/azure-pipelines-linux.yml
\ No newline at end of file
+  - template: ./.azure-pipelines/azure-pipelines-linux.yml
+  - template: ./.azure-pipelines/azure-pipelines-osx.yml
\ No newline at end of file
diff --git a/build-locally.py b/build-locally.py
index 8b74348..eec38a0 100755
--- a/build-locally.py
+++ b/build-locally.py
@@ -22,10 +22,6 @@ def setup_environment(ns):
         os.environ["MINIFORGE_HOME"] = os.path.join(
             os.path.dirname(__file__), "miniforge3"
         )
-    if "OSX_SDK_DIR" not in os.environ:
-        os.environ["OSX_SDK_DIR"] = os.path.join(
-            os.path.dirname(__file__), "SDKs"
-        )
 
 
 def run_docker_build(ns):
@@ -65,11 +61,12 @@ def verify_config(ns):
         raise ValueError(
             f"only Linux/macOS configs currently supported, got {ns.config}"
         )
-    elif ns.config.startswith("osx") and platform.system() == "Darwin":
+    elif ns.config.startswith("osx"):
         if "OSX_SDK_DIR" not in os.environ:
             raise RuntimeError(
-                "Need OSX_SDK_DIR env variable set. Run 'export OSX_SDK_DIR=/opt'"
-                "to download the SDK automatically to '/opt/MacOSX<ver>.sdk'"
+                "Need OSX_SDK_DIR env variable set. Run 'export OSX_SDK_DIR=SDKs' "
+                "to download the SDK automatically to 'SDKs/MacOSX<ver>.sdk'. "
+                "Setting this variable implies agreement to the licensing terms of the SDK by Apple."
             )
 
 
diff --git a/recipe/build-cpp.sh b/recipe/build-cpp.sh
index 8795ee5..612125f 100644
--- a/recipe/build-cpp.sh
+++ b/recipe/build-cpp.sh
@@ -9,6 +9,7 @@ cmake ${CMAKE_ARGS} -DCMAKE_INSTALL_PREFIX=$PREFIX \
       -S. \
       -Bbuild \
       -DBUILD_SAMPLES=OFF \
-      -DBUILD_EXAMPLES=OFF
+      -DBUILD_EXAMPLES=OFF \
+      -DCMAKE_CXX_STANDARD=17
 
 cmake --build build --target install -j${CPU_COUNT}
diff --git a/recipe/build-python.sh b/recipe/build-python.sh
index db11530..1625d1c 100644
--- a/recipe/build-python.sh
+++ b/recipe/build-python.sh
@@ -13,7 +13,8 @@ cmake ${CMAKE_ARGS} -DCMAKE_INSTALL_PREFIX=$PREFIX \
       -DBUILD_PYTHON=ON \
       -DFETCH_PYTHON_DEPS=OFF \
       -DBUILD_TESTING=OFF \
-      -DPython3_EXECUTABLE="$PYTHON"
+      -DPython3_EXECUTABLE="$PYTHON" \
+      -DCMAKE_CXX_STANDARD=17
 
 cmake --build build -j${CPU_COUNT}
 
diff --git a/recipe/conda_build_config.yaml b/recipe/conda_build_config.yaml
new file mode 100644
index 0000000..90ff7da
--- /dev/null
+++ b/recipe/conda_build_config.yaml
@@ -0,0 +1,4 @@
+MACOSX_DEPLOYMENT_TARGET:  # [osx and x86_64]
+  - "10.15"                # [osx and x86_64]
+MACOSX_SDK_VERSION:        # [osx and x86_64]
+  - "10.15"                # [osx and x86_64]
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 174fcc1..ee5a8db 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -19,8 +19,8 @@ source:
 # The meta package
 
 build:
-  number: 0
-  skip: true  # [not linux]
+  number: 1
+  skip: true  # [win]
 
 outputs:
   # The core package
@@ -48,6 +48,8 @@ outputs:
         - coin-or-cbc
         # Source: https://github.com/google/or-tools/blob/stable/cmake/dependencies/CMakeLists.txt
         - python
+      run:
+        - __osx >={{ MACOSX_DEPLOYMENT_TARGET|default("10.9") }}  # [osx and x86_64]
       run_constrained:
         - scip =7.0.1
 
@@ -115,6 +117,7 @@ outputs:
         - protobuf
         - python >=3.6
         # Source: https://github.com/google/or-tools/blob/stable/ortools/python/setup.py.in#L44
+        - __osx >={{ MACOSX_DEPLOYMENT_TARGET|default("10.9") }}  # [osx and x86_64]
       run_constrained:
         - scip =7.0.1