meson.build

project(
  'discretize',
  'c', 'cpp', 'cython',
  # Note that the git commit hash cannot be added dynamically here
  # (it is dynamically generated though setuptools_scm)
  version: run_command('python',
    [
      '-c',
      '''
from setuptools_scm import get_version
print(get_version())'''
    ],
    check: true
).stdout().strip(),

  license: 'MIT',
  meson_version: '>= 1.4.0',
  default_options: [
    'buildtype=debugoptimized',
    'b_ndebug=if-release',
    'cpp_std=c++17',
  ],
)

# https://mesonbuild.com/Python-module.html
py_mod = import('python')
py = py_mod.find_installation(pure: false)
py_dep = py.dependency()

cc = meson.get_compiler('c')
cpp = meson.get_compiler('cpp')
cy = meson.get_compiler('cython')
# generator() doesn't accept compilers, only found programs - cast it.
cython = find_program(cy.cmd_array()[0])

_global_c_args = cc.get_supported_arguments(
  '-Wno-unused-but-set-variable',
  '-Wno-unused-function',
  '-Wno-conversion',
  '-Wno-misleading-indentation',
)
add_project_arguments(_global_c_args, language : 'c')

# We need -lm for all C code (assuming it uses math functions, which is safe to
# assume for SciPy). For C++ it isn't needed, because libstdc++/libc++ is
# guaranteed to depend on it.
m_dep = cc.find_library('m', required : false)
if m_dep.found()
  add_project_link_arguments('-lm', language : 'c')
endif

subdir('discretize')