toolchain Useful only when building GCJ, this enables Abstract Window Toolkit (AWT) peer support on top of GTK+ Enable fixed-point arithmetic support for MIPS targets in gcc (Warning: significantly increases compile time!) Build the GCC Go language frontend. Add support for the framework for loop optimizations based on a polyhedral intermediate representation Build SSP support into a dedicated library rather than use the code in the C library (DO NOT ENABLE THIS IF YOU DON'T KNOW WHAT IT DOES) Add support for mudflap, a pointer use checking library Allow for SLOTs to include minor version (3.3.4 instead of just 3.3) Disable 3-stage bootstrap Disable PIE support (NOT FOR GENERAL USE) Disable SSP support (NOT FOR GENERAL USE) Build support for the Objective C code language Build support for the Objective C++ language Build support for the Objective C code language Garbage Collector Build with current checkout Run the testsuite and install the results (requires FEATURES=test)