Same build directions everywhere?

.github/workflows/build.yml

@@ -101,6 +101,7 @@ jobs:
     env:
       CIBW_BUILD: "*"
       CIBW_TEST_SKIP: "cp38-macosx_*:arm64"  # cibuildwheel cannot test Python 3.8 on ARM64
+
     strategy:
       matrix:
         os: [macos-13, macos-14]  # macos-13 is an intel runner, macos-14 is apple silicon

build-scripts/posix-build-wheel-deps.bash

@@ -12,14 +12,6 @@ if [ "$arch" == "aarch64" -o "$arch" == "arm64" ]; then
     max_jobs=3
 fi
 
-if [ "$os" == "Darwin" ]; then
-    # Setting MACOSX_DEPLOYMENT_TARGET here affects the QPDF build,
-    # not the pikepdf, since this script runs in different process
-    # from that build.
-    # See docs/references/build.rst for why we do this.
-    export MACOSX_DEPLOYMENT_TARGET="11.0"
-fi
-
 maybe_sudo () {
     if [ "$os" == "Darwin" ]; then
         sudo -E "$@"
@@ -28,6 +20,8 @@ maybe_sudo () {
     fi
 }
 
+echo "Building dependencies for $os $arch MACOSX_DEPLOYMENT_TARGET=$MACOSX_DEPLOYMENT_TARGET"
+
 if [ ! -f /usr/local/lib/libqpdf.so -a ! -f /usr/local/lib/libqpdf.dylib ]; then
     pushd qpdf
     if [ "$os" == "Darwin" ]; then

pyproject.toml

@@ -120,7 +120,6 @@ build-frontend = "build"
 QPDF_MIN_VERSION = "11.5.0"
 QPDF_VERSION = "11.9.0"
 QPDF_PATTERN = "https://github.com/qpdf/qpdf/releases/download/vVERSION/qpdf-VERSION.tar.gz"
-MACOSX_DEPLOYMENT_TARGET = "11.0"
 
 [tool.cibuildwheel.linux]
 before-all = [
@@ -171,9 +170,7 @@ before-all = [
   "bash build-scripts/posix-download-qpdf.bash $QPDF_VERSION",
   "bash build-scripts/posix-build-wheel-deps.bash",
 ] # Use 'brew whatever || true' workaround until https://github.com/actions/setup-python/issues/577 is fixed
-before-build = [
-  'export MACOSX_DEPLOYMENT_TARGET="11.0"',
-] # Ensure each build is targeting 11.0 when we are on arm64. See docs/references/build.rst
+environment = { MACOSX_DEPLOYMENT_TARGET = "11.0", SYSTEM_VERSION_COMPAT = 0 }
 
 [tool.cibuildwheel.windows]