sysdeps/powerpc/powerpc32/Makefile

   1 # Powerpc32 specific build options.
   2
   3 ifeq ($(with-fp),no)
   4 +cflags += -msoft-float
   5 sysdep-LDFLAGS += -msoft-float
   6 endif
   7
   8 ifeq ($(subdir),misc)
   9 sysdep_routines += gprsave0 gprrest0 gprsave1 gprrest1
  10 endif
  11
  12 # On PPC, -fpic works until the GOT contains 32768 bytes, and possibly
  13 # more depending on how clever the linker is.  Each GOT entry takes 4 bytes,
  14 # so that's at least 8192 entries.  Since libc only uses about 2000 entries,
  15 # we want to use -fpic, because this generates fewer relocs.
  16 ifeq (yes,$(build-shared))
  17 pic-ccflag = -fpic
  18 endif
  19
  20 ifeq ($(subdir),csu)
  21 ifneq ($(elf),no)
  22 # The initfini generation code doesn't work in the presence of -fPIC, so
  23 # we use -fpic instead which is much better.
  24 CFLAGS-initfini.s += -fpic -O1
  25
  26 # There is no benefit to using sdata for these objects, and the user
  27 # of the library should be able to control what goes into sdata.
  28 CFLAGS-init.o = -G0
  29 CFLAGS-gmon-start.o = -G0
  30 endif
  31 ifeq (yes,$(build-shared))
  32 # Compatibility
  33 ifeq (yes,$(have-protected))
  34 CPPFLAGS-libgcc-compat.S = -DHAVE_DOT_HIDDEN
  35 endif
  36 sysdep_routines += libgcc-compat
  37 shared-only-routines += libgcc-compat
  38 endif
  39 endif
  40
  41 ifeq ($(subdir),elf)
  42 # extra shared linker files to link only into dl-allobjs.so
  43 sysdep-rtld-routines += dl-start
  44 endif