mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 08:40:07 +00:00
50 lines
1.3 KiB
Makefile
50 lines
1.3 KiB
Makefile
# Powerpc32 specific build options.
|
|
|
|
ifeq ($(with-fp),no)
|
|
+cflags += -msoft-float
|
|
sysdep-LDFLAGS += -msoft-float
|
|
endif
|
|
|
|
ifeq ($(subdir),gmon)
|
|
sysdep_routines += ppc-mcount
|
|
static-only-routines += 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 ($(subdir),csu)
|
|
ifneq ($(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
|