libc/sysdeps/linux/Makefile.commonarch

   1 # Makefile template to be included by sysdeps/linux/<ARCH>/Makefile.arch
   2 #
   3 # Copyright (C) 2000-2008 Erik Andersen <andersen@uclibc.org>
   4 #
   5 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   6 #
   7
   8 ARCH_DIR  := $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)
   9 ARCH_OUT  := $(top_builddir)libc/sysdeps/linux/$(TARGET_ARCH)
  10
  11 ARCH_CSRC := $(addprefix $(ARCH_DIR)/,$(CSRC-y))
  12 ARCH_COBJ := $(addprefix $(ARCH_OUT)/,$(CSRC-y:.c=.o))
  13 ARCH_SSRC = $(addprefix $(ARCH_DIR)/,$(SSRC-y))
  14 ARCH_SOBJ = $(patsubst %.s,%.o,$(patsubst %.S,%.o,$(addprefix $(ARCH_OUT)/,$(SSRC-y))))
  15
  16 ARCH_OBJS-y = $(ARCH_COBJ) $(ARCH_SOBJ)
  17
  18 libc-y         += $(ARCH_OBJS-y)
  19 libc-nomulti-y += $(ARCH_SOBJ)
  20 objclean-y     += CLEAN_$(subst $(top_builddir),,$(ARCH_OUT))
  21
  22 CFLAGS-OMIT-crt1.S := -D_LIBC_REENTRANT
  23 CFLAGS-OMIT-crti.S := -D_LIBC_REENTRANT
  24 CFLAGS-OMIT-crtn.S := -D_LIBC_REENTRANT
  25 CFLAGS-OMIT-crtreloc.c := -D_LIBC_REENTRANT
  26 CFLAGS-crti.S += $(PICFLAG)
  27 CFLAGS-crtn.S += $(PICFLAG)
  28 # Due to a "bug" in make these order_only prereqs inherit per-target flags.
  29 # Attempt to workaround this inconvenient behaviour:
  30 CFLAGS-OMIT-crt1.S += $(CFLAGS-rtld) -DIN_LIB=%
  31 CFLAGS-OMIT-crtreloc.c += $(CFLAGS-rtld) -DIN_LIB=%
  32
  33 CLEAN_$(subst $(top_builddir),,$(ARCH_OUT)):
  34         $(do_rm) $(addprefix $(ARCH_OUT)/*., o os oS) $(CTOR_TARGETS) $(CRTS)
  35
  36 ifneq ($(ARCH_HEADERS),)
  37
  38 ARCH_HEADERS_OUT := $(patsubst %,$(top_builddir)include/%,$(ARCH_HEADERS))
  39
  40 $(ARCH_HEADERS_OUT):
  41         $(do_ln) $(call rel_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(@F) $@
  42
  43 headers-y += $(ARCH_HEADERS_OUT)
  44 headers_clean-y += HEADERCLEAN_$(subst $(top_builddir),,$(ARCH_OUT))
  45 HEADERCLEAN_$(subst $(top_builddir),,$(ARCH_OUT)):
  46         $(do_rm) $(ARCH_HEADERS_OUT)
  47 endif
  48
  49 $(ARCH_OUT)/ucontext_i.h: $(top_srcdir)extra/scripts/gen-as-const.awk
  50 $(ARCH_OUT)/ucontext_i.h: $(ARCH_DIR)/ucontext_i.sym
  51         @$(disp_gen)
  52         $(do_awk) $(top_srcdir)extra/scripts/gen-as-const.awk $< \
  53         | $(CC) $(CFLAGS) -x c - -S -o - \
  54         | $(SED) $(PTHREAD_GENERATE_MANGLE) > $@
  55         @if test ! -s $@ ; then rm -f $@ ; false ; fi
  56
  57 pregen-headers-$(UCLIBC_HAS_CONTEXT_FUNCS) += $(ARCH_OUT)/ucontext_i.h
  58
  59 headers_clean-$(UCLIBC_HAS_CONTEXT_FUNCS) += \
  60         HEADERCLEAN_$(subst $(top_builddir),,$(ARCH_OUT)/ucontext_i)
  61
  62 HEADERCLEAN_$(subst $(top_builddir),,$(ARCH_OUT)/ucontext_i):
  63         $(do_rm) $(addprefix $(ARCH_OUT)/ucontext_i., c h s)