Document Revision History

This table describes the changes to Xcode Build Setting Reference.

2010-10-05Added build settings for the Interface Builder compiler.

Added Interface Builder Compiler Build Settings.


Added VALIDATE_PRODUCT (Validate Built Product).


Added GCC_WARN_ABOUT_GLOBAL_CONSTRUCTORS (Global Construction or Destruction Required).

2010-07-01Made minor content corrections.

Added TARGETED_DEVICE_FAMILY (Targeted Device Family).


Updated IPHONEOS_DEPLOYMENT_TARGET (iOS Deployment Target) with new value information.


Updated SDKROOT (Base SDK) with new value information.

2009-10-19Added information about SSE4.1 and SSE4.2 extensions.

Added GCC_ENABLE_SSE41_EXTENSIONS (Enable SSE4.1 Extensions).


Added GCC_ENABLE_SSE42_EXTENSIONS (Enable SSE4.2 Extensions).

2009-05-28Updated default value for the Valid Architectures build setting.

Updated VALID_ARCHS (Valid Architectures).

2009-03-04Added build settings to manage PNG-file compression, dependent libraries, and product architectures.

Added COMPRESS_PNG_FILES (Compress .png files).


Added EXECUTABLE_PATH, LD_DYLIB_INSTALL_NAME (Dynamic Library Install Name), LD_RUNPATH_SEARCH_PATHS (Runpath Search Paths).


Added ONLY_ACTIVE_ARCH (Build Active Architecture Only).

2009-02-04Made minor corrections.

Updated CACHE_ROOT and SHARED_PRECOMPS_DIR (Precompiled Headers Cache Path) with new value information.


Corrected values in SCRIPTS_FOLDER_PATH.

2008-11-19Made minor changes.

Removed information about OTHER_LDFLAGS_<ARCH> and OTHER_LDFLAGS_<VARIANT>_<ARCH>.


Added information about conditional build settings to Introduction.


Undocumented ZeroLink.

2008-10-15Added build settings and made content changes.

Added GCC_ENABLE_OBJC_GC (Objective-C Garbage Collection), INFOPLIST_OUTPUT_FORMAT, INFOPLIST_OTHER_PREPROCESSOR_FLAGS (Info.plist Other Preprocessor Flags), INFOPLIST_PREFIX_HEADER (Info.plist Preprocessor Prefix File), INFOPLIST_PREPROCESS (Preprocess Info.plist File), INFOPLIST_PREPROCESSOR_DEFINITIONS (Info.plist Preprocessor Definitions), IPHONEOS_DEPLOYMENT_TARGET (iOS Deployment Target).


Added information to USER_HEADER_SEARCH_PATHS (User Header Search Paths).


Added aliases for a few build settings.


Corrected value information for TARGET_NAME and PROJECT_NAME.


Removed information about ONLY_LINK_ESSENTIAL_SYMBOLS (Only Link Essential Symbols), PER_ARCH_CFLAGS_<ARCH>.

2008-05-21Update for Xcode 3.1.

Added STRINGS_FILE_OUTPUT_ENCODING to Build Properties Build Settings.


Added armv6 to VALID_ARCHS (Valid Architectures).

2006-11-07Added x86_64 to the default value of the VALID_ARCHS build setting.
2006-10-03Added information for the GCC_ENABLE_SYMBOL_SEPARATION and ONLY_LINK_ESSENTIAL_SYMBOLS build settings.

Added information for GCC_ENABLE_SYMBOL_SEPARATION (Separate PCH Symbols) andONLY_LINK_ESSENTIAL_SYMBOLS (Only Link Essential Symbols).

2006-05-23New document that describes the build settings used in the Xcode build system to compile source code and produce binary files.