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+# Copyright 2020-2022 David Robillard <d@drobilla.net>
+# SPDX-License-Identifier: CC0-1.0 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.
+
+clang_common_suppressions = [
+  '-Wno-cast-function-type',
+  '-Wno-cast-qual',
+  '-Wno-covered-switch-default',
+  '-Wno-disabled-macro-expansion',
+  '-Wno-documentation-unknown-command',
+  '-Wno-double-promotion',
+  '-Wno-float-conversion',
+  '-Wno-float-equal',
+  '-Wno-implicit-fallthrough',
+  '-Wno-implicit-float-conversion',
+  '-Wno-padded',
+  '-Wno-reserved-id-macro',
+  '-Wno-reserved-identifier',
+  '-Wno-shadow',
+  '-Wno-shorten-64-to-32',
+  '-Wno-sign-conversion',
+  '-Wno-switch-enum',
+  '-Wno-unused-macros',
+  '-Wno-used-but-marked-unused',
+]
+
+gcc_common_suppressions = [
+  '-Wno-cast-function-type',
+  '-Wno-cast-qual',
+  '-Wno-conversion',
+  '-Wno-deprecated-declarations',
+  '-Wno-double-promotion',
+  '-Wno-float-conversion',
+  '-Wno-float-equal',
+  '-Wno-format',
+  '-Wno-implicit-fallthrough',
+  '-Wno-padded',
+  '-Wno-pedantic',
+  '-Wno-shadow',
+  '-Wno-sign-conversion',
+  '-Wno-suggest-attribute=const',
+  '-Wno-suggest-attribute=pure',
+  '-Wno-switch-default',
+  '-Wno-switch-enum',
+  '-Wno-unsuffixed-float-constants',
+  '-Wno-unused-macros',
+]
+
+#####
+# C #
+#####
+
+if is_variable('cc')
+  c_suppressions = []
+
+  if get_option('strict')
+    if cc.get_id() == 'clang'
+      c_suppressions += clang_common_suppressions + [
+        '-Wno-bad-function-cast',
+        '-Wno-declaration-after-statement',
+        '-Wno-documentation',
+      ]
+
+      if host_machine.system() == 'freebsd'
+        c_suppressions += [
+          '-Wno-c11-extensions',
+        ]
+      endif
+
+    elif cc.get_id() == 'gcc'
+      c_suppressions += gcc_common_suppressions + [
+        '-Wno-bad-function-cast',
+        '-Wno-c++-compat',
+      ]
+
+    elif cc.get_id() == 'msvc'
+      c_suppressions += [
+        '/wd4061', # enumerator in switch is not explicitly handled
+        '/wd4100', # unreferenced formal parameter
+        '/wd4191', # unsafe function conversion
+        '/wd4200', # zero-sized array in struct/union
+        '/wd4244', # possible loss of data from integer conversion
+        '/wd4267', # possible loss of data from size conversion
+        '/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
+        '/wd4800', # implicit conversion from int to bool
+        '/wd4820', # padding added after construct
+        '/wd4996', # POSIX name for this item is deprecated
+        '/wd5045', # compiler will insert Spectre mitigation
+      ]
+    endif
+  endif
+
+  c_suppressions = cc.get_supported_arguments(c_suppressions)
+endif
+
+#######
+# C++ #
+#######
+
+if is_variable('cpp')
+  cpp_suppressions = []
+
+  if get_option('strict')
+    if cpp.get_id() == 'clang'
+      cpp_suppressions += clang_common_suppressions + [
+        '-Wno-exit-time-destructors',
+        '-Wno-global-constructors',
+        '-Wno-missing-noreturn',
+        '-Wno-old-style-cast',
+        '-Wno-weak-vtables',
+        '-Wno-zero-as-null-pointer-constant',
+      ]
+
+    elif cpp.get_id() == 'gcc'
+      cpp_suppressions += gcc_common_suppressions + [
+        '-Wno-effc++',
+        '-Wno-missing-noreturn',
+        '-Wno-null-dereference',
+        '-Wno-old-style-cast',
+        '-Wno-redundant-tags',
+        '-Wno-useless-cast',
+        '-Wno-zero-as-null-pointer-constant',
+      ]
+    endif
+  endif
+
+  cpp_suppressions = cpp.get_supported_arguments(cpp_suppressions)
+endif