1 files changed, 74 insertions, 59 deletions
diff --git a/meson/suppressions/meson.build b/meson/suppressions/meson.build
index 470c761..6c04801 100644
--- a/meson/suppressions/meson.build
+++ b/meson/suppressions/meson.build
@@ -1,78 +1,93 @@
-# Copyright 2020-2022 David Robillard <d@drobilla.net>
+# Copyright 2020-2023 David Robillard <d@drobilla.net>
 # SPDX-License-Identifier: 0BSD OR ISC
 
-# Project-specific warning suppressions.
-#
-# This should be used in conjunction with the generic "warnings" sibling that
-# enables all reasonable warnings for the compiler.  It lives here just to keep
-# the top-level meson.build more readable.
+# Project-specific warning suppressions
+
+warning_level = get_option('warning_level')
 
 #####
 # C #
 #####
 
-if is_variable('cc')
-  c_suppressions = []
-
-  if get_option('strict')
-    if cc.get_id() == 'clang'
-      c_suppressions += [
-        '-Wno-cast-align',
-        '-Wno-cast-qual',
-        '-Wno-declaration-after-statement',
-        '-Wno-documentation-unknown-command',
-        '-Wno-double-promotion',
-        '-Wno-float-conversion',
-        '-Wno-implicit-float-conversion',
-        '-Wno-implicit-int-conversion',
-        '-Wno-nullability-extension',
-        '-Wno-nullable-to-nonnull-conversion',
-        '-Wno-padded',
-        '-Wno-shorten-64-to-32',
-        '-Wno-sign-conversion',
-      ]
+c_suppressions = []
 
-      if host_machine.system() == 'windows'
-        c_suppressions += [
-          '-Wno-deprecated-declarations',
-          '-Wno-format-nonliteral',
-        ]
-      endif
+if cc.get_id() == 'clang'
+  if warning_level == 'everything'
+    c_suppressions += [
+      '-Wno-cast-align',
+      '-Wno-cast-qual',
+      '-Wno-declaration-after-statement',
+      '-Wno-documentation-unknown-command',
+      '-Wno-double-promotion',
+      '-Wno-float-conversion',
+      '-Wno-implicit-float-conversion',
+      '-Wno-implicit-int-conversion',
+      '-Wno-nullable-to-nonnull-conversion',
+      '-Wno-padded',
+      '-Wno-shorten-64-to-32',
+      '-Wno-sign-conversion',
+    ]
 
-    elif cc.get_id() == 'gcc'
+    if host_machine.system() == 'windows'
       c_suppressions += [
-        '-Wno-cast-align',
-        '-Wno-cast-qual',
-        '-Wno-conversion',
-        '-Wno-inline',
-        '-Wno-padded',
-        '-Wno-suggest-attribute=pure',
-        '-Wno-unsuffixed-float-constants',
-        '-Wno-unused-const-variable',
+        '-Wno-deprecated-declarations',
+        '-Wno-format-nonliteral',
       ]
+    endif
+  endif
+
+  if warning_level in ['everything', '3']
+    c_suppressions += [
+      '-Wno-nullability-extension',
+    ]
+  endif
 
-      if host_machine.system() =='windows'
-        c_suppressions += [
-          '-Wno-suggest-attribute=format',
-        ]
-      endif
+elif cc.get_id() == 'gcc'
+  if warning_level == 'everything'
+    c_suppressions += [
+      '-Wno-cast-align',
+      '-Wno-cast-qual',
+      '-Wno-conversion',
+      '-Wno-inline',
+      '-Wno-padded',
+      '-Wno-suggest-attribute=pure',
+      '-Wno-unsuffixed-float-constants',
+      '-Wno-unused-const-variable',
+    ]
 
-    elif cc.get_id() == 'msvc'
+    if host_machine.system() =='windows'
       c_suppressions += [
-        '/wd4242', # conversion, possible loss of data
-        '/wd4244', # conversion from floating point, possible loss of data
-        '/wd4267', # conversion from size_t, possible loss of data
-        '/wd4365', # signed/unsigned mismatch
-        '/wd4514', # unreferenced inline function has been removed
-        '/wd4706', # assignment within conditional expression
-        '/wd4710', # function not inlined
-        '/wd4711', # function selected for automatic inline expansion
-        '/wd4820', # padding added after construct
-        '/wd4996', # function or variable may be unsafe
-        '/wd5045', # will insert Spectre mitigation for memory load
+        '-Wno-suggest-attribute=format',
       ]
     endif
   endif
 
-  c_suppressions = cc.get_supported_arguments(c_suppressions)
+elif cc.get_id() == 'msvc'
+  if warning_level == 'everything'
+    c_suppressions += [
+      '/wd4242', # conversion, possible loss of data
+      '/wd4365', # signed/unsigned mismatch
+      '/wd4514', # unreferenced inline function has been removed
+      '/wd4706', # assignment within conditional expression
+      '/wd4710', # function not inlined
+      '/wd4711', # function selected for automatic inline expansion
+      '/wd4820', # padding added after construct
+      '/wd5045', # will insert Spectre mitigation for memory load
+    ]
+  endif
+
+  if warning_level in ['everything', '3', '2']
+    c_suppressions += [
+      '/wd4267', # conversion from size_t, possible loss of data
+      '/wd4996', # function or variable may be unsafe
+    ]
+  endif
+
+  if warning_level in ['everything', '3', '2', '1']
+    c_suppressions += [
+      '/wd4244', # conversion from floating point, possible loss of data
+    ]
+  endif
 endif
+
+c_suppressions = cc.get_supported_arguments(c_suppressions)