gmon/Makefile

   1 # Copyright (C) 1995-2017 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   4 # The GNU C Library is free software; you can redistribute it and/or
   5 # modify it under the terms of the GNU Lesser General Public
   6 # License as published by the Free Software Foundation; either
   7 # version 2.1 of the License, or (at your option) any later version.
   8
   9 # The GNU C Library is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Lesser General Public License for more details.
  13
  14 # You should have received a copy of the GNU Lesser General Public
  15 # License along with the GNU C Library; if not, see
  16 # <http://www.gnu.org/licenses/>.
  17
  18 #
  19 #       Sub-makefile for gmon portion of the library.
  20 #
  21 subdir  := gmon
  22
  23 include ../Makeconfig
  24
  25 headers := sys/gmon.h sys/gmon_out.h sys/profil.h
  26 routines := gmon mcount profil sprofil bb_init_func bb_exit_func prof-freq
  27
  28 elide-routines.os = bb_init_func bb_exit_func
  29
  30 tests   = tst-sprofil
  31 ifeq ($(build-profile),yes)
  32 tests   += tst-profile-static
  33 tests-static    += tst-profile-static
  34
  35 LDFLAGS-tst-profile-static = -profile
  36 endif
  37
  38 # The mcount code won't work without a frame pointer.
  39 CFLAGS-mcount.c := -fno-omit-frame-pointer
  40
  41 include ../Rules
  42
  43 # We cannot compile mcount.c with -pg because that would
  44 # create recursive calls.  Just copy the normal static object.
  45 # On systems where `profil' is not a system call, the same
  46 # problem exists for the internal functions in profil.c.
  47
  48 noprof := mcount $(sysdep_noprof)
  49 ifeq (,$(filter profil,$(unix-syscalls)))
  50 noprof += profil sprofil
  51 endif
  52
  53 $(noprof:%=$(objpfx)%.op): %.op: %.o
  54         rm -f $@
  55         ln $< $@