| # Detect Mac OS X and SDK versions. |
| # Output variables: |
| # build_mac_version |
| # mac_sdk_version |
| # mac_sdk_root |
| # gcc_darwin_version |
| |
| ifndef build_mac_version |
| |
| build_mac_version := $(shell sw_vers -productVersion) |
| |
| mac_sdk_versions_supported := 10.8 10.9 10.10 10.11 |
| ifneq ($(strip $(MAC_SDK_VERSION)),) |
| mac_sdk_version := $(MAC_SDK_VERSION) |
| ifeq ($(filter $(mac_sdk_version),$(mac_sdk_versions_supported)),) |
| $(warning ****************************************************************) |
| $(warning * MAC_SDK_VERSION $(MAC_SDK_VERSION) isn't one of the supported $(mac_sdk_versions_supported)) |
| $(warning ****************************************************************) |
| $(error Stop.) |
| endif |
| else |
| mac_sdk_versions_installed := $(shell xcodebuild -showsdks | grep macosx | sed -e "s/.*macosx//g") |
| mac_sdk_version := $(firstword $(filter $(mac_sdk_versions_installed), $(mac_sdk_versions_supported))) |
| ifeq ($(mac_sdk_version),) |
| mac_sdk_version := $(firstword $(mac_sdk_versions_supported)) |
| $(warning none of the installed SDKs ($mac_sdk_versions_installed) match supported versions ($(mac_sdk_versions_supported)), trying $(mac_sdk_version)) |
| endif |
| endif |
| |
| mac_sdk_path := $(shell xcode-select -print-path) |
| # try /Applications/Xcode*.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.?.sdk |
| # or /Volume/Xcode/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.?.sdk |
| mac_sdk_root := $(mac_sdk_path)/Platforms/MacOSX.platform/Developer/SDKs/MacOSX$(mac_sdk_version).sdk |
| ifeq ($(wildcard $(mac_sdk_root)),) |
| # try legacy /Developer/SDKs/MacOSX10.?.sdk |
| $(warning no SDK $(mac_sdk_version) at $(mac_sdk_root), trying legacy dir) |
| mac_sdk_root := /Developer/SDKs/MacOSX$(mac_sdk_version).sdk |
| endif |
| ifeq ($(wildcard $(mac_sdk_root)),) |
| $(warning *****************************************************) |
| $(warning * Can not find SDK $(mac_sdk_version) at $(mac_sdk_root)) |
| $(warning *****************************************************) |
| $(error Stop.) |
| endif |
| |
| ifeq ($(mac_sdk_version),10.6) |
| gcc_darwin_version := 10 |
| else |
| gcc_darwin_version := 11 |
| endif |
| |
| endif # ifndef build_mac_version |
