ENH OSX sysroot/sdk package

recipes/osx-sysroot/LICENSE

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+BSD-3-Clause license
+Copyright (c) 2015-2023, 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:
+
+  1. Redistributions of source code must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in the
+     documentation and/or other materials provided with the distribution.
+  3. Neither the name of the copyright holder nor the names of its
+     contributors may be used to endorse or promote products derived from
+     this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGE.

recipes/osx-sysroot/activate-mdt.sh

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+LOCAL_MACOSX_DEPLOYMENT_TARGET="@MACOSX_DEPLOYMENT_TARGET@"
+
+if [ -z "${MACOSX_SDK_VERSION}" ] && [ $(uname) = "Darwin" ]; then
+    MACOSX_SDK_VERSION=$(xcrun --sdk macosx --show-sdk-version)
+fi
+
+if [ ! -z "$MACOSX_SDK_VERSION" ]; then
+    # read version into array (default syntax uses space separation, so just replace the dots)
+    # this works across zsh, sh and bash
+    sdk_parts=($(sh -c "var=$MACOSX_SDK_VERSION; echo \${var//'.'/' '}"))
+    mdt_parts=($(sh -c "var=$LOCAL_MACOSX_DEPLOYMENT_TARGET; echo \${var//'.'/' '}"))
+
+    # zsh starts indexes at 1 and bash at 0
+    # however both languages return an empty string for indexes out of range
+    # so we loop over all of 0 1 2 3 and compare missing things as equal
+    error_out=0
+    for (( i=0; i<=3; ++i )); do
+        if [ "${sdk_parts[$i]}" = "" ]; then
+            sdk_part=0
+        else
+            sdk_part=${sdk_parts[$i]}
+        fi
+
+        if [ "${mdt_parts[$i]}" = "" ]; then
+            mdt_part=0
+        else
+            mdt_part=${mdt_parts[$i]}
+        fi
+
+        if [ $sdk_part -lt $mdt_part ]; then
+            error_out=1
+            break
+        elif [ $sdk_part -gt $mdt_part ]; then
+            break
+        fi
+    done
+
+    if [ $error_out -eq 1 ]; then
+        echo "ERROR: MACOSX_DEPLOYMENT_TARGET (${LOCAL_MACOSX_DEPLOYMENT_TARGET}) \
+must be less than or equal to the MacOS SDK version (${MACOSX_SDK_VERSION}). Set MACOSX_SDK_VERSION in the \
+conda_build_config.yaml file of your recipe to a version greater than or equal to the MACOSX_DEPLOYMENT_TARGET."
+        exit 1
+    fi
+fi
+
+if [ -z "$MACOSX_DEPLOYMENT_TARGET" ]; then
+    export MACOSX_DEPLOYMENT_TARGET="@MACOSX_DEPLOYMENT_TARGET@"
+else
+    export CONDA_SYSROOT_@PLATFORM@_BACKUP_MACOSX_DEPLOYMENT_TARGET="${MACOSX_DEPLOYMENT_TARGET}"
+    export MACOSX_DEPLOYMENT_TARGET="@MACOSX_DEPLOYMENT_TARGET@"
+fi
+
+if [ -z "${CMAKE_ARGS}" ]; then
+    export CMAKE_ARGS="-DCMAKE_OSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET}"
+else
+    export CONDA_SYSROOT_@PLATFORM@_BACKUP_CMAKE_ARGS="${CMAKE_ARGS}"
+    export CMAKE_ARGS="${CMAKE_ARGS} -DCMAKE_OSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET}"
+fi
+
+if [ -z "${CPPFLAGS}" ]; then
+    export CPPFLAGS="-mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
+else
+    export CONDA_SYSROOT_@PLATFORM@_BACKUP_CPPFLAGS="${CPPFLAGS}"
+    export CPPFLAGS="${CPPFLAGS} -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
+fi

recipes/osx-sysroot/build_mdt.sh

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+#!/bin/bash
+
+find "${RECIPE_DIR}" -name "activate-mdt.sh" -exec cp {} . \;
+find "${RECIPE_DIR}" -name "deactivate-mdt.sh" -exec cp {} . \;
+
+find . -name "activate-mdt.sh" -exec sed -i.bak "s|@MACOSX_DEPLOYMENT_TARGET@|${_MACOSX_DEPLOYMENT_TARGET_}|g" "{}" \;
+find . -name "activate-mdt.sh" -exec sed -i.bak "s|@PLATFORM@|${cross_target_platform//-/_}|g" "{}" \;
+find . -name "activate-mdt.sh.bak" -exec rm "{}" \;
+
+find . -name "deactivate-mdt.sh" -exec sed -i.bak "s|@PLATFORM@|${cross_target_platform//-/_}|g" "{}" \;
+find . -name "deactivate-mdt.sh.bak" -exec rm "{}" \;
+
+mkdir -p "${PREFIX}"/etc/conda/{de,}activate.d/
+cp "${SRC_DIR}"/activate-mdt.sh "${PREFIX}"/etc/conda/activate.d/activate_"${PKG_NAME}".sh
+cp "${SRC_DIR}"/deactivate-mdt.sh "${PREFIX}"/etc/conda/deactivate.d/deactivate_"${PKG_NAME}".sh

recipes/osx-sysroot/conda_build_config.yaml

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+_MACOSX_DEPLOYMENT_TARGET_:
+  - "10.9"
+  - "10.10"
+  - "10.11"
+  - "10.12"
+  - "10.13"
+  - "10.13"
+  - "10.14"
+  - "10.15"
+  - "11.0"
+  - "11.1"
+  - "11.3"
+  - "12.0"
+  - "12.1"
+  - "12.3"
+  - "13.0"
+  - "13.1"
+  - "13.3"
+
+cross_target_platform:
+  - osx-64
+  - osx-arm64

recipes/osx-sysroot/deactivate-mdt.sh

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+if [ ! -z "${CONDA_SYSROOT_@PLATFORM@_BACKUP_MACOSX_DEPLOYMENT_TARGET}" ]; then
+    export MACOSX_DEPLOYMENT_TARGET="${CONDA_SYSROOT_@PLATFORM@_BACKUP_MACOSX_DEPLOYMENT_TARGET}"
+    unset CONDA_SYSROOT_@PLATFORM@_BACKUP_MACOSX_DEPLOYMENT_TARGET
+else
+    unset MACOSX_DEPLOYMENT_TARGET
+fi
+
+if [ ! -z "${CONDA_SYSROOT_@PLATFORM@_BACKUP_CMAKE_ARGS}" ]; then
+    export CMAKE_ARGS="${CONDA_SYSROOT_@PLATFORM@_BACKUP_CMAKE_ARGS}"
+    unset CONDA_SYSROOT_@PLATFORM@_BACKUP_CMAKE_ARGS
+else
+    unset CMAKE_ARGS
+fi
+
+if [ ! -z "${CONDA_SYSROOT_@PLATFORM@_BACKUP_CPPFLAGS}" ]; then
+    export CPPFLAGS="${CONDA_SYSROOT_@PLATFORM@_BACKUP_CPPFLAGS}"
+    unset CONDA_SYSROOT_@PLATFORM@_BACKUP_CPPFLAGS
+else
+    unset CPPFLAGS
+fi

recipes/osx-sysroot/meta.yaml

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+{% set name = "osx-sysroot" %}
+{% set version = "1" %}
+
+package:
+  name: {{ name|lower }}
+  version: {{ version }}
+
+build:
+  number: 0
+  {% if cross_target_platform == "osx-arm64" and _MACOSX_DEPLOYMENT_TARGET_[0:2]|int < 11 %}
+  skip: True
+  {% endif %}
+
+outputs:
+  - name: macosx_deployment_target_{{ cross_target_platform }}
+    version: {{ _MACOSX_DEPLOYMENT_TARGET_ }}
+    script: build_mdt.sh
+    build:
+      noarch: generic
+      run_exports:
+        strong:
+          - __osx >={{ _MACOSX_DEPLOYMENT_TARGET_ }}
+    test:
+      commands:
+        - "[[ ${MACOSX_DEPLOYMENT_TARGET} == '{{ _MACOSX_DEPLOYMENT_TARGET_ }}' ]]"
+
+about:
+  home: https://github.com/conda-forge/osx-sysroot-feedstock
+  summary: metapackage to set the MACOSX_DEPLOYMENT_TARGET
+  license: BSD-3-Clause
+  license_family: BSD
+  license_file: LICENSE
+
+extra:
+  recipe-maintainers:
+    - beckermr