Hi Alan, On Mon, Nov 12, 2018 at 09:56:37PM +1030, Alan Modra wrote: > Using the macros in config/linux.h rather than duplicating them helps > stop future bitrot, and repairs existing bitrot (4 choices for libc in > linux.h, fewer in the rs6000 files not that it matters much). Also > fixes the fact that __gnu_linux__ was always defined rather than just > when glibc was the libc of choice.
Sorry for the slow review. This is okay for trunk. Thanks! Segher > * config.gcc (powerpc*-*-linux*): Add linux.h to tm_file. > * config/rs6000/linux.h (TARGET_OS_CPP_BUILTINS): Use > GNU_USER_TARGET_OS_CPP_BUILTINS. > (RS6000_ABI_NAME): Define. > * config/rs6000/linux64.h (TARGET_OS_CPP_BUILTINS): Use > GNU_USER_TARGET_OS_CPP_BUILTINS. > (MUSL_DYNAMIC_LINKER32): Undef before defining. > (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64): Don't define. > (CHOOSE_DYNAMIC_LINKER): Don't define. > (GNU_USER_DYNAMIC_LINKER32, GNU_USER_DYNAMIC_LINKER64): Don't define. > * config/rs6000/sysv4.h (MUSL_DYNAMIC_LINKER): Undef before defining. > (CHOOSE_DYNAMIC_LINKER, GNU_USER_DYNAMIC_LINKER): Only define when > not already defined. > (CPP_OS_LINUX_SPEC): Remove defines and asserts handled by > TARGET_OS_CPP_BUILTINS.
