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meson.build
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# This file is part of the libopencm3 project.
#
# Copyright (C) 2023 1BitSquared <[email protected]>
# Written by Rachel Mant <[email protected]>
#
# 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.
project(
'libopencm3',
'c',
default_options: [
'c_std=c99',
'warning_level=3',
'b_ndebug=if-release',
],
version: '0.8.0',
license: 'GPL-3.0-or-later OR BSD-3-Clause OR MIT',
)
# Ensure we are cross-compiling and not building for the build host
assert(meson.is_cross_build(), 'libopencm3 must be cross-compiled')
# Ensure we are using a GCC compiler
cc = meson.get_compiler('c')
assert(cc.get_id() == 'gcc', 'libopencm3 must be compiled with GCC')
# Project wide flags
extended_warnings = [
'-Warith-conversion',
'-Wbad-function-cast',
# '-Wcast-align=strict',
'-Wcast-function-type',
# '-Wcast-qual',
# '-Wconversion',
'-Wdangling-else',
'-Wdouble-promotion',
'-Wduplicated-branches',
'-Wfloat-conversion',
'-Wformat-overflow=2',
'-Wformat-signedness',
'-Wformat-truncation',
'-Wformat=2',
'-Wimplicit-fallthrough',
'-Wmaybe-uninitialized',
'-Wmissing-attributes',
'-Wmissing-braces',
'-Wno-char-subscripts',
'-Wnull-dereference',
# '-Wpacked',
'-Wredundant-decls',
'-Wreturn-type',
'-Wsequence-point',
'-Wshadow=local',
# '-Wsign-conversion',
'-Wstack-protector',
'-Wstrict-aliasing',
'-Wstrict-overflow=2',
'-Wstring-compare',
'-Wstringop-overflow',
'-Wunknown-pragmas',
'-Wunsafe-loop-optimizations',
'-Wunsuffixed-float-constants',
'-Wunused-const-variable=2',
'-Wunused-local-typedefs',
'-Wunused',
'-Wvla-parameter',
# '-Wvla',
]
add_project_arguments(
cc.get_supported_arguments(extended_warnings),
language: 'c',
)
# Options controlling how object files are generated for linking
common_args = [
'-ffunction-sections',
'-fdata-sections',
]
add_project_arguments(
common_args,
language: 'c',
)
# Grab the IRQ -> nvic.h script and Python for the include system
python = import('python').find_installation()
irq2nvic = [
python,
files('scripts/irq2nvic_h'),
'--builddir',
meson.current_build_dir(),
]
# Extract what we're supposed to build for and start traversing to the appropriate library
target_platform = get_option('target')
subdir('include')
subdir('lib')