#
# SPDX-License-Identifier: BSD-3-Clause
#
# Copyright © 2019 Keith Packard
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above
#    copyright notice, this list of conditions and the following
#    disclaimer in the documentation and/or other materials provided
#    with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
# OF THE POSSIBILITY OF SUCH DAMAGE.
#

srcs_machine_common = [
  'memcpy.S',
  'memset.S',
  'setjmp.S',
]

srcs_machine_64 = [
  'memchr.c',
  'memcmp.c',
  'memmove.c',
  'strchr.c',
  'strlen.c'
]

srcs_machine_32 = [
  'memchr.S',
  'memcmp.S',
  'memmove.S',
  'strchr.S',
  'strlen.S',
]

srcs_machine = srcs_machine_common + srcs_machine_64

subdir('sys')
subdir('machine')

x86_64_code = '''#ifndef __x86_64
#error not x86_64
#endif
'''

is_x86_64 = cc.compiles(x86_64_code, name : 'x86_64 check')

foreach target : targets
  value = get_variable('target_' + target)
  if target.startswith('32') or (target == '' and not is_x86_64)
    srcs_machine_target = srcs_machine_common + srcs_machine_32
  else
    srcs_machine_target = srcs_machine_common + srcs_machine_64
  endif
  set_variable('lib_machine' + target,
	       static_library('machine' + target,
			      srcs_machine_target,
			      pic: false,
			      include_directories: inc,
			      c_args: value[1] + arg_fnobuiltin))
endforeach
