sysdeps/alpha/Makefile

   1 # Copyright (C) 1993-2022 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 # <https://www.gnu.org/licenses/>.
  17
  18 ifeq ($(subdir),db2)
  19 CPPFLAGS += -DHAVE_SPINLOCKS=1 -DHAVE_ASSEM_ALPHA=1
  20 endif
  21
  22 ifeq ($(subdir),debug)
  23 # Consider making this GCC's default...
  24 CFLAGS-backtrace.c = -fasynchronous-unwind-tables
  25 endif
  26
  27 ifeq ($(subdir),gmon)
  28 sysdep_routines += _mcount
  29 endif
  30
  31 ifeq ($(subdir),gnulib)
  32 sysdep_routines += divl divlu divq divqu reml remlu remq remqu
  33 endif
  34
  35 ifeq ($(subdir),string)
  36 sysdep_routines += stxcpy stxncpy
  37 endif
  38
  39 ifeq ($(subdir),elf)
  40 # The ld.so startup code cannot use literals until it self-relocates.
  41 CFLAGS-rtld.c = -mbuild-constants
  42 endif
  43
  44 ifeq ($(subdir),math)
  45 # The fma routines rely on inexact being raised for correct results.
  46 CFLAGS-s_fma.c = -mieee-with-inexact
  47 CFLAGS-s_fmaf.c = -mieee-with-inexact
  48 # This test tries to check for inexact being raised by arithmetic.
  49 CFLAGS-test-misc.c += -mieee-with-inexact
  50 # Avoid "conflicting types for built-in function" warnings
  51 CFLAGS-s_isnan.c += -fno-builtin-isnanf
  52 endif
  53
  54 # Build everything with full IEEE math support, and with dynamic rounding;
  55 # there are a number of math routines that are defined to work with the
  56 # "current" rounding mode, and it's easiest to set this with all of them.
  57 sysdep-CFLAGS += -mieee -mfp-rounding-mode=d
  58
  59 #  Software floating-point emulation.
  60
  61 ifeq ($(subdir),soft-fp)
  62 sysdep_routines += ots_add ots_sub ots_mul ots_div ots_cmp ots_cmpe     \
  63         ots_cvtxq ots_cvtqx ots_cvtqux ots_cvttx ots_cvtxt ots_nintxq   \
  64         fraiseexcpt
  65 endif
  66
  67 ifeq ($(subdir),math)
  68 CPPFLAGS += -I../soft-fp
  69 endif