#
# 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
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# 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)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
# OF THE POSSIBILITY OF SUCH DAMAGE.
#
srcs_string = [
    'bcmp.c',
    'bcopy.c',
    'bzero.c',
    'explicit_bzero.c',
    'ffsl.c',
    'ffsll.c',
    'fls.c',
    'flsl.c',
    'flsll.c',
    'gnu_basename.c',
    'index.c',
    'memccpy.c',
    'memchr.c',
    'memcmp.c',
    'memcpy.c',
    'memmem.c',
    'memmove.c',
    'mempcpy.c',
    'memrchr.c',
    'memset.c',
    'rawmemchr.c',
    'rindex.c',
    'stpcpy.c',
    'stpncpy.c',
    'strcasecmp.c',
    'strcasecmp_l.c',
    'strcasestr.c',
    'strcat.c',
    'strchr.c',
    'strchrnul.c',
    'strcoll.c',
    'strcoll_l.c',
    'strcpy.c',
    'strcspn.c',
    'strdup.c',
    'strerror.c',
    'strerror_r.c',
    'strlcat.c',
    'strlcpy.c',
    'strlen.c',
    'strlwr.c',
    'strncasecmp.c',
    'strncasecmp_l.c',
    'strncat.c',
    'strncmp.c',
    'strncpy.c',
    'strndup.c',
    'strnlen.c',
    'strnstr.c',
    'strpbrk.c',
    'strrchr.c',
    'strsep.c',
    'strsignal.c',
    'strspn.c',
    'strstr.c',
    'strtok.c',
    'strtok_r.c',
    'strupr.c',
    'strverscmp.c',
    'strxfrm.c',
    'strxfrm_l.c',
    'swab.c',
    'timingsafe_bcmp.c',
    'timingsafe_memcmp.c',
    'wcpcpy.c',
    'wcpncpy.c',
    'wcscasecmp.c',
    'wcscasecmp_l.c',
    'wcscat.c',
    'wcschr.c',
    'wcscmp.c',
    'wcscoll.c',
    'wcscoll_l.c',
    'wcscpy.c',
    'wcscspn.c',
    'wcsdup.c',
    'wcslcat.c',
    'wcslcpy.c',
    'wcslen.c',
    'wcsncasecmp.c',
    'wcsncasecmp_l.c',
    'wcsncat.c',
    'wcsncmp.c',
    'wcsncpy.c',
    'wcsnlen.c',
    'wcspbrk.c',
    'wcsrchr.c',
    'wcsspn.c',
    'wcsstr.c',
    'wcstok.c',
    'wcswidth.c',
    'wcsxfrm.c',
    'wcsxfrm_l.c',
    'wcwidth.c',
    'wmemchr.c',
    'wmemcmp.c',
    'wmemcpy.c',
    'wmemmove.c',
    'wmempcpy.c',
    'wmemset.c',
    'xpg_strerror_r.c',
    'memcpy_s.c',
    'memmove_s.c',
    'memset_s.c',
    'strcat_s.c',
    'strcpy_s.c',
    'strerror_s.c',
    'strerrorlen_s.c',
    'strncat_s.c',
    'strncpy_s.c',
    'strnlen_s.c',
]

hdrs_string = [
    'local.h',
    'str-two-way.h',
    'string_private.h',
]

srcs_strcmp = [
  'strcmp.c'
]

srcs_string_use = []
foreach file : srcs_string
  s_file = fs.replace_suffix(file, '.S')
  if file in srcs_machine
    message('libc/string/' + file + ': machine overrides generic')
  elif s_file in srcs_machine
    message('libc/string/' + s_file + ': machine overrides generic')
  else
    srcs_string_use += file
  endif
endforeach

srcs_strcmp_use = []
foreach file : srcs_strcmp
  s_file = fs.replace_suffix(file, '.S')
  if file in srcs_machine
    message('libc/string/' + file + ': machine overrides generic')
  elif s_file in srcs_machine
    message('libc/string/' + s_file + ': machine overrides generic')
  else
    srcs_strcmp_use += file
  endif
endforeach

if fast_strcmp
  cargs_strcmp = ['-O3']
else
  cargs_strcmp = []
endif

src_string = files(srcs_string_use)

# Need a sub-library to pass custom cflags to strcmp

if srcs_strcmp_use != []
  foreach target : targets
    value = get_variable('target_' + target)

    set_variable('lib_string' + target,
		 static_library('strcmp' + target,
				srcs_strcmp_use,
				pic: false,
				c_args: value[1] + c_args + cargs_strcmp,
				include_directories: inc))
  endforeach
endif