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author | Kjell Ahlstedt <kjellahlstedt@gmail.com> | 2022-05-19 17:20:35 +0200 |
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committer | Kjell Ahlstedt <kjellahlstedt@gmail.com> | 2022-05-19 17:20:35 +0200 |
commit | 13fbe29e7eea943fb576e5b9c91f57f9d6089cee (patch) | |
tree | 3ef1b5dcf0a7abde25ec225d6e1927e0688a8499 /meson.build | |
parent | 9b50d0c719b19461719fbc97d27055b82091a482 (diff) | |
download | glibmm-13fbe29e7eea943fb576e5b9c91f57f9d6089cee.tar.gz |
meson.build: Avoid configuration warnings
Diffstat (limited to 'meson.build')
-rw-r--r-- | meson.build | 43 |
1 files changed, 24 insertions, 19 deletions
diff --git a/meson.build b/meson.build index 94b327e3..3ffc451a 100644 --- a/meson.build +++ b/meson.build @@ -4,7 +4,8 @@ project('glibmm', 'cpp', version: '2.72.1', license: 'LGPLv2.1+', default_options: [ - 'cpp_std=c++17' + 'cpp_std=c++17', + 'warning_level=1', ], meson_version: '>= 0.55.0', # required for meson.add_dist_script(python3, ...) # and meson.add_install_script(python3, ...) @@ -76,10 +77,12 @@ maintainer_mode = maintainer_mode_opt == 'true' or \ if is_dist_check message('Looks like a tarball is being tested. ' + \ 'Option "dist-warnings" is used instead of "warnings".') - warning_level = get_option('dist-warnings') + cpp_warnings = get_option('dist-warnings') else - warning_level = get_option('warnings') + cpp_warnings = get_option('warnings') endif +warning_level = get_option('warning_level').to_int() +werror = get_option('werror') build_deprecated_api = get_option('build-deprecated-api') build_documentation_opt = get_option('build-documentation') build_documentation = build_documentation_opt == 'true' or \ @@ -194,24 +197,25 @@ dummy_header_py = glibmm_script_dir / 'dummy-header.py' compile_schemas_py = glibmm_script_dir / 'compile-schemas.py' # Set compiler warnings. +# Meson warns if any of the /W1, /W2, /W3, /W4, /Wall, -Wall, -Wextra, -Werror +# compiler options are added with add_project_arguments(). +# Avoid such warnings, when possible. +# See _warn_about_builtin_args() in meson/mesonbuild/interpreter/interpreter.py. warning_flags = [] -if warning_level == 'min' - if is_msvc - warning_flags = ['/W3'] - else - warning_flags = ['-Wall'] +if cpp_warnings == 'min' + if warning_level == 0 + warning_flags = is_msvc ? ['/W2'] : ['-Wall'] endif -elif warning_level == 'max' or warning_level == 'fatal' - if is_msvc - warning_flags = ['/W4'] - else - warning_flags = '-pedantic -Wall -Wextra -Wformat-security -Wsuggest-override -Wshadow -Wno-long-long'.split() +elif cpp_warnings == 'max' or cpp_warnings == 'fatal' + if warning_level < 3 + warning_flags = is_msvc ? ['/W4'] : ['-pedantic', '-Wall', '-Wextra'] endif - if warning_level == 'fatal' - if is_msvc - warning_flags += ['/WX'] - else - warning_flags += ['-Werror'] + if not is_msvc + warning_flags += '-Wformat-security -Wsuggest-override -Wshadow -Wno-long-long'.split() + endif + if cpp_warnings == 'fatal' + if not werror + warning_flags += is_msvc ? ['/WX'] : ['-Werror'] endif deprecations = 'G SIGCXX'.split() foreach d : deprecations @@ -375,7 +379,8 @@ summary = [ meson.project_name() + ' ' + meson.project_version(), '', ' Maintainer mode: @0@@1@'.format(maintainer_mode_opt, real_maintainer_mode), - ' Compiler warnings: @0@'.format(warning_level), + ' Compiler warnings: @0@ (warning_level: @1@, werror: @2@)'. \ + format(cpp_warnings, warning_level, werror), ' Build deprecated API: @0@'.format(build_deprecated_api), 'Build HTML documentation: @0@@1@'.format(build_documentation_opt, real_build_documentation), ' Build example programs: @0@'.format(build_examples), |