1 files changed, 121 insertions, 0 deletions
diff --git a/packaging/macos/jhb/etc/jhb.conf/sys.sh b/packaging/macos/jhb/etc/jhb.conf/sys.sh
new file mode 100644
index 0000000..1871b21
--- /dev/null
+++ b/packaging/macos/jhb/etc/jhb.conf/sys.sh
@@ -0,0 +1,121 @@
+# SPDX-FileCopyrightText: 2021 René de Hesselle <dehesselle@web.de>
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+### description ################################################################
+
+# System and version checks.
+
+### shellcheck #################################################################
+
+# shellcheck shell=bash # no shebang as this file is intended to be sourced
+# shellcheck disable=SC2034 # we only use exports if we really need them
+
+### dependencies ###############################################################
+
+# Nothing here.
+
+### variables ##################################################################
+
+SYS_ARCH=$(uname -m | tr '[:lower:]' '[:upper:]')
+
+if [ "$SYS_USRLOCAL_IGNORE" != "true" ]; then
+  SYS_USRLOCAL_IGNORE=false
+fi
+
+SYS_MACOS_VER=$(sw_vers -productVersion)
+
+# descending order on purpose: most recent platform first
+# shellcheck disable=2206 # we need expansion for the array to work
+SYS_MACOS_VER_RECOMMENDED=(${SYS_MACOS_VER_RECOMMENDED:-
+  12.6.1
+  12.6
+  11.7
+})
+
+SYS_SDK_VER="$(/usr/libexec/PlistBuddy -c \
+  "Print :DefaultProperties:MACOSX_DEPLOYMENT_TARGET" \
+  "$SDKROOT"/SDKSettings.plist)"
+
+SYS_SDK_VER_RECOMMENDED_X86_64=${SYS_SDK_VER_RECOMMENDED_X86_64:-10.13}
+SYS_SDK_VER_RECOMMENDED_ARM64=${SYS_SDK_VER_RECOMMENDED_ARM64:-11.3}
+SYS_SDK_VER_RECOMMENDED=$(eval echo \$SYS_SDK_VER_RECOMMENDED_"$SYS_ARCH")
+
+### functions ##################################################################
+
+function sys_create_log
+{
+  # Create jhb.log file.
+
+  mkdir -p "$VAR_DIR"/log
+
+  for var in SYS_MACOS_VER SYS_SDK_VER VERSION VER_DIR WRK_DIR; do
+    echo "$var = $(eval echo \$$var)" >> "$VAR_DIR"/log/jhb.log
+  done
+}
+
+function sys_macos_is_recommended
+{
+  for version in "${SYS_MACOS_VER_RECOMMENDED[@]}"; do
+    if [ "$version" = "$SYS_MACOS_VER" ]; then
+      return 0
+    fi
+  done
+
+  echo_w "using macOS $SYS_MACOS_VER (recommended: \
+${SYS_MACOS_VER_RECOMMENDED[0]})"
+  return 1
+}
+
+function sys_sdk_is_recommended
+{
+  if [ "$SYS_SDK_VER_RECOMMENDED" = "$SYS_SDK_VER" ]; then
+    return 0
+  fi
+
+  echo_w "using SDK $SYS_SDK_VER (recommended: $SYS_SDK_VER_RECOMMENDED)"
+  return 1
+}
+
+function sys_usrlocal_is_clean
+{
+  local count=0
+
+  # Based on GitHub CI experience, it appears to be enough to make sure
+  # the following folders do not contain files.
+  for dir in include lib share; do
+    count=$(( count + \
+      $(find /usr/local/$dir -type f 2>/dev/null | wc -l | awk '{ print $1 }')\
+    ))
+  done
+
+  if [ "$count" -ne 0 ]; then
+    if $SYS_USRLOCAL_IGNORE; then
+      echo_w "Found files in '/usr/local/[include|lib|share]'."
+    else
+      echo_e "Found files in '/usr/local/[include|lib|share]'!"
+      echo_e "This is known to cause trouble, but you can downgrade this error"
+      echo_e "to a warning at your own risk:"
+      echo_e " "
+      echo_e "    export SYS_USRLOCAL_IGNORE=true"
+      return 1
+    fi
+  fi
+
+  return 0
+}
+
+function sys_wrkdir_is_usable
+{
+  if  mkdir -p "$WRK_DIR" 2>/dev/null &&
+      [ -w "$WRK_DIR" ] ; then
+    return 0  # WRK_DIR has been created or was already there and is writable
+  else
+    echo_e "WRK_DIR not usable: $WRK_DIR"
+    return 1
+  fi
+}
+
+### main #######################################################################
+
+# Nothing here.