#!/usr/bin/python
# -*- coding: utf-8 -*-

# Copyright (c) 2023 Arm Limited.
#
# SPDX-License-Identifier: MIT
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import os.path

Import('env')
Import('vars')
Import('install_bin')

# vars is imported from compute_kernel_writer:
variables = [
    BoolVariable("validation_tests", "Build validation test programs", False)
]

# We need a separate set of Variables for the Help message (Otherwise the global variables will get displayed twice)
new_options = Variables('scons')

for v in variables:
    new_options.Add(v)
    vars.Add(v)

# Clone the environment to make sure we're not polluting the compute_kernel_writer one:
test_env = env.Clone()
vars.Update(test_env)

Help(new_options.GenerateHelpText(test_env))

# Check if we need to build the test framework
build_test_framework = False
for opt in new_options.keys():
    option_value = test_env[opt]
    if type(option_value) is bool and option_value:
        build_test_framework = True
        break

if not build_test_framework:
    Return()

# Remove -Wnoexcept from tests
if 'g++' in test_env['CXX'] and '-Wnoexcept' in test_env['CXXFLAGS']:
    test_env['CXXFLAGS'].remove("-Wnoexcept")

load_whole_archive = '-Wl,--whole-archive'
noload_whole_archive = '-Wl,--no-whole-archive'

if env['os'] in ['android']:
    Import("ckw_a")

    test_env.Append(LIBS = [ckw_a])
    ckw_lib = ckw_a
else:
    Import("ckw_so")
    test_env.Append(LIBS = ["ckw"])
    ckw_lib = ckw_so

# Add main file
files_validation = Glob('Validation.cpp')

# Add unit tests
files_validation += Glob('tests/*.cpp')

extra_link_flags = []

test_env.Append(LIBS = ["rt"])
extra_link_flags += ['-fstack-protector-strong']

bm_link_flags = []
if test_env['linker_script']:
    bm_link_flags += ['-Wl,--build-id=none', '-T', env['linker_script']]

if test_env['validation_tests']:
    program_objects = files_validation

    ckw_validation = test_env.Program('ckw_validation', program_objects, LIBS=test_env['LIBS'], LINKFLAGS=test_env['LINKFLAGS'] + bm_link_flags)
    ckw_validation = install_bin(ckw_validation)
    Depends(ckw_validation, ckw_lib)

    Default(ckw_validation)
    Export('ckw_validation')