| # Powerpc32 specific build options. |
| |
| ifeq ($(with-fp),no) |
| +cflags += -msoft-float |
| sysdep-LDFLAGS += -msoft-float |
| endif |
| |
| ifeq ($(subdir),misc) |
| sysdep_routines += gprsave0 gprrest0 gprsave1 gprrest1 |
| endif |
| |
| # On PPC, -fpic works until the GOT contains 32768 bytes, and possibly |
| # more depending on how clever the linker is. Each GOT entry takes 4 bytes, |
| # so that's at least 8192 entries. Since libc only uses about 2000 entries, |
| # we want to use -fpic, because this generates fewer relocs. |
| ifeq (yes,$(build-shared)) |
| pic-ccflag = -fpic |
| endif |
| |
| ifeq ($(subdir),csu) |
| ifneq ($(elf),no) |
| # The initfini generation code doesn't work in the presence of -fPIC, so |
| # we use -fpic instead which is much better. |
| CFLAGS-initfini.s += -fpic -O1 |
| |
| # There is no benefit to using sdata for these objects, and the user |
| # of the library should be able to control what goes into sdata. |
| CFLAGS-init.o = -G0 |
| CFLAGS-gmon-start.o = -G0 |
| endif |
| ifeq (yes,$(build-shared)) |
| # Compatibility |
| ifeq (yes,$(have-protected)) |
| CPPFLAGS-libgcc-compat.S = -DHAVE_DOT_HIDDEN |
| endif |
| sysdep_routines += libgcc-compat |
| shared-only-routines += libgcc-compat |
| endif |
| endif |
| |
| ifeq ($(subdir),elf) |
| # extra shared linker files to link only into dl-allobjs.so |
| sysdep-rtld-routines += dl-start |
| endif |
