From aa6d24924b0449424bd58f667657f4087a573f9c Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Wed, 3 May 2023 14:04:03 -0400
Subject: Replace strict option with new meson warning level

---
 meson.build | 44 ++++++++++++++++++++++++++++----------------
 1 file changed, 28 insertions(+), 16 deletions(-)

(limited to 'meson.build')

diff --git a/meson.build b/meson.build
index 09712c3..52b9012 100644
--- a/meson.build
+++ b/meson.build
@@ -25,24 +25,36 @@ versioned_name = 'chilbert-@0@'.format(major_version)
 pkg = import('pkgconfig')
 cpp = meson.get_compiler('cpp')
 
-# Set global warning flags
-if get_option('strict')
-  if not meson.is_subproject()
-    subdir('meson/warnings')
-    add_project_arguments(all_cpp_warnings, language: ['cpp'])
-  endif
-
-  cpp_suppressions = []
-  if cpp.get_id() == 'clang'
+# Set global warning suppressions
+cpp_suppressions = []
+warning_level = get_option('warning_level')
+if cpp.get_id() in ['clang', 'emscripten']
+  if warning_level == 'everything'
     cpp_suppressions += [
+      '-Wno-c++98-compat',
+      '-Wno-c++98-compat-pedantic',
       '-Wno-padded',
     ]
-  elif cpp.get_id() == 'gcc'
+
+    if not meson.is_cross_build()
+      cpp_suppressions += [
+        '-Wno-poison-system-directories',
+      ]
+    endif
+  endif
+
+elif cpp.get_id() == 'gcc'
+  if warning_level == 'everything'
     cpp_suppressions += [
       '-Wno-effc++',
+      '-Wno-inline',
+      '-Wno-suggest-attribute=pure',
       '-Wno-volatile',
     ]
-  elif cpp.get_id() == 'msvc'
+  endif
+
+elif cpp.get_id() == 'msvc'
+  if warning_level == 'everything'
     cpp_suppressions += [
       '/wd4028', # formal parameter different from declaration
       '/wd4204', # non-constant aggregate initializer
@@ -55,13 +67,10 @@ if get_option('strict')
       '/wd5045', # will insert Spectre mitigation
     ]
   endif
-
-  add_project_arguments(
-    cpp.get_supported_arguments(cpp_suppressions),
-    language: ['cpp'],
-  )
 endif
 
+cpp_suppressions = cpp.get_supported_arguments(cpp_suppressions)
+
 ###########
 # Library #
 ###########
@@ -123,6 +132,7 @@ if not get_option('tests').disabled()
       executable(
         full_name,
         'test/@0@.cpp'.format(full_name),
+        cpp_args: cpp_suppressions,
         include_directories: include_directories('include'),
       ),
       timeout: 1200,
@@ -137,6 +147,7 @@ if not get_option('tests').disabled()
       executable(
         'test_hilbert',
         'test/test_hilbert.cpp',
+        cpp_args: cpp_suppressions,
         dependencies: [gmp_dep, gmpxx_dep],
         include_directories: include_directories('include'),
       ),
@@ -150,6 +161,7 @@ if not get_option('benchmarks').disabled()
     executable(
       'bench_@0@'.format(name),
       files('benchmark/bench_@0@.cpp'.format(name)),
+      cpp_args: cpp_suppressions,
       include_directories: include_directories('include', 'test'),
     )
   endforeach
-- 
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