sysdeps/alpha/Makefile

   1 # Copyright (C) 1993-2024 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 ($(subdir),debug)
  19 # Consider making this GCC's default...
  20 CFLAGS-backtrace.c = -fasynchronous-unwind-tables
  21 endif
  22
  23 ifeq ($(subdir),gmon)
  24 sysdep_routines += _mcount
  25 endif
  26
  27 ifeq ($(subdir),gnulib)
  28 sysdep_routines += divl divlu divq divqu reml remlu remq remqu
  29 endif
  30
  31 ifeq ($(subdir),string)
  32 sysdep_routines += stxcpy stxncpy
  33 endif
  34
  35 ifeq ($(subdir),elf)
  36 # The ld.so startup code cannot use literals until it self-relocates.
  37 CFLAGS-rtld.c = -mbuild-constants
  38 endif
  39
  40 ifeq ($(subdir),math)
  41 # The fma routines rely on inexact being raised for correct results.
  42 CFLAGS-s_fma.c = -mieee-with-inexact
  43 CFLAGS-s_fmaf.c = -mieee-with-inexact
  44 # This test tries to check for inexact being raised by arithmetic.
  45 CFLAGS-test-misc.c += -mieee-with-inexact
  46 # Avoid "conflicting types for built-in function" warnings
  47 CFLAGS-s_isnan.c += -fno-builtin-isnanf
  48 endif
  49
  50 # Build everything with full IEEE math support, and with dynamic rounding;
  51 # there are a number of math routines that are defined to work with the
  52 # "current" rounding mode, and it's easiest to set this with all of them.
  53 sysdep-CFLAGS += -mieee -mfp-rounding-mode=d
  54
  55 #  Software floating-point emulation.
  56
  57 ifeq ($(subdir),soft-fp)
  58 sysdep_routines += ots_add ots_sub ots_mul ots_div ots_cmp ots_cmpe     \
  59         ots_cvtxq ots_cvtqx ots_cvtqux ots_cvttx ots_cvtxt ots_nintxq   \
  60         fraiseexcpt
  61 endif
  62
  63 ifeq ($(subdir),math)
  64 CPPFLAGS += -I../soft-fp
  65 endif