1999-12-26 Zack Weinberg <zack@wolery.cumb.org> * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING, GC_CHECKING, GC_ALWAYS_COLLECT. * configure.in: Allow --enable-checking with an argument listing check modes to enable. * config.in, configure: Rebuilt. * ggc-page.c, ggc-simple.c: Define GGC_POISON (and GGC_ALWAYS_VERIFY for ggc-simple.c) only if ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if ENABLE_GC_ALWAYS_COLLECT. * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING throughout. * tree.h, tree.c: Change ENABLE_CHECKING to ENABLE_TREE_CHECKING throughout. * cp-tree.h: Replace ENABLE_CHECKING with ENABLE_TREE_CHECKING throughout. From-SVN: r31093
