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glibc/sysdeps/powerpc/powerpc32/Makefile
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# Powerpc32 specific build options. | |
+cflags += -Wa,-mppc -mpowerpc | |
asm-CPPFLAGS += -Wa,-mppc | |
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 215 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 ($(elf),no) | |
# The initfini generation code doesn't work in the presence of -fPIC, so | |
# we use -fpic instead which is much better. | |
CFLAGS-initfini.s = -g0 -fpic -O1 | |
# There is no benefit to using sdata for these objects, and the user | |
# of the library should be able to control what goes into sdata. | |
CFLAGS-init.o = -G0 | |
CFLAGS-gmon-start.o = -G0 | |
endif | |
ifeq (yes,$(build-shared)) | |
# Compatibility | |
ifeq (yes,$(have-protected)) | |
CPPFLAGS-divdi3.c = -DHAVE_DOT_HIDDEN | |
CPPFLAGS-libgcc-compat.S = -DHAVE_DOT_HIDDEN | |
endif | |
sysdep_routines += libgcc-compat | |
shared-only-routines += libgcc-compat | |
endif | |
endif | |
ifeq ($(subdir),elf) | |
# extra shared linker files to link only into dl-allobjs.so | |
sysdep-rtld-routines += dl-start | |
endif |