mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-15 04:20:28 +08:00
50 lines
1.4 KiB
Makefile
50 lines
1.4 KiB
Makefile
# Powerpc32 specific build options.
|
|
|
|
# Some Powerpc32 variants assume soft-fp is the default even though there is
|
|
# an fp variant so provide -mhard-float if --with-fp is explicitly passed.
|
|
|
|
ifeq ($(with-fp),yes)
|
|
+cflags += -mhard-float
|
|
ASFLAGS += -mhard-float
|
|
sysdep-LDFLAGS += -mhard-float
|
|
endif
|
|
|
|
ifeq ($(subdir),gmon)
|
|
sysdep_routines += ppc-mcount compat-ppc-mcount
|
|
static-only-routines += ppc-mcount
|
|
shared-only-routines += compat-ppc-mcount
|
|
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 ($(subdir),csu)
|
|
# There is no benefit to using sdata for these objects, and the user
|
|
# of the library should be able to control what goes into sdata.
|
|
CFLAGS-init.o = -G0
|
|
CFLAGS-gmon-start.o = -G0
|
|
|
|
ifeq (yes,$(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
|