Move warning suppression flags to main meson fileHEADmain

1 files changed, 161 insertions, 7 deletions

diff --git a/meson.build b/meson.build
index 70fbbc3..6ccee83 100644
--- a/meson.build
+++ b/meson.build
@@ -20,9 +20,9 @@ jalv_build_root = meson.current_build_dir()
 major_version = meson.project_version().split('.')[0]
 version_suffix = '@0@-@1@'.format(meson.project_name(), major_version)
 
-#######################
-# Compilers and Flags #
-#######################
+#############
+# Compilers #
+#############
 
 # Required tools
 cc = meson.get_compiler('c')
@@ -32,11 +32,165 @@ if add_languages(['cpp'], native: false, required: get_option('cxx'))
   cpp = meson.get_compiler('cpp')
 endif
 
-# Set global warning suppressions
-subdir('meson/suppressions')
-add_project_arguments(c_suppressions, language: ['c'])
+########################
+# Warning Suppressions #
+########################
+
+warning_level = get_option('warning_level')
+
+# C
+c_suppressions = []
+if cc.get_id() == 'clang'
+  if warning_level == 'everything'
+    c_suppressions += [
+      '-Wno-bad-function-cast',
+      '-Wno-cast-align',
+      '-Wno-cast-function-type-strict',
+      '-Wno-cast-qual',
+      '-Wno-declaration-after-statement',
+      '-Wno-disabled-macro-expansion',
+      '-Wno-double-promotion',
+      '-Wno-float-conversion',
+      '-Wno-float-equal',
+      '-Wno-implicit-float-conversion',
+      '-Wno-missing-noreturn',
+      '-Wno-padded',
+      '-Wno-shorten-64-to-32',
+      '-Wno-sign-conversion',
+      '-Wno-switch-default',
+      '-Wno-unsafe-buffer-usage',
+    ]
+
+    if not meson.is_cross_build()
+      c_suppressions += [
+        '-Wno-poison-system-directories',
+      ]
+    endif
+
+    if host_machine.system() == 'darwin'
+      c_suppressions += [
+        '-Wno-documentation-unknown-command',
+        '-Wno-reserved-id-macro',
+      ]
+    endif
+  endif
+
+  if warning_level in ['everything', '3']
+    c_suppressions += [
+      '-Wno-nullability-extension',
+    ]
+  endif
+
+  if host_machine.system() == 'darwin'
+    c_suppressions += [
+      '-Wno-documentation', # JACK
+      '-Wno-documentation-deprecated-sync', # JACK
+    ]
+  elif host_machine.system() == 'freebsd'
+    c_suppressions += [
+      '-Wno-c11-extensions', # isnan and friends
+    ]
+  endif
+
+elif cc.get_id() == 'gcc'
+  if warning_level == 'everything'
+    c_suppressions += [
+      '-Wno-bad-function-cast',
+      '-Wno-c++-compat',
+      '-Wno-cast-align',
+      '-Wno-cast-qual',
+      '-Wno-conversion',
+      '-Wno-double-promotion',
+      '-Wno-float-equal',
+      '-Wno-inline',
+      '-Wno-padded',
+      '-Wno-strict-overflow',
+      '-Wno-suggest-attribute=const',
+      '-Wno-suggest-attribute=pure',
+      '-Wno-switch-default',
+      '-Wno-unsuffixed-float-constants',
+      '-Wno-unused-const-variable',
+    ]
+  endif
+
+elif cc.get_id() == 'msvc'
+  if warning_level == 'everything'
+    c_suppressions += [
+      '/wd4191', # unsafe function conversion
+      '/wd4200', # zero-sized array in struct/union
+      '/wd4242', # possible loss of data from float conversion
+      '/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)
+
+# C++
 if is_variable('cpp')
-  add_project_arguments(cpp_suppressions, language: ['cpp'])
+  cpp_suppressions = []
+
+  if cpp.get_id() == 'clang'
+    if warning_level == 'everything'
+      cpp_suppressions += [
+        '-Wno-c++98-compat-pedantic',
+        '-Wno-cast-align', # MacOS
+        '-Wno-cast-qual', # MacOS
+        '-Wno-documentation-unknown-command', # MacOS
+        '-Wno-double-promotion',
+        '-Wno-float-conversion',
+        '-Wno-implicit-float-conversion',
+        '-Wno-old-style-cast', # MacOS
+        '-Wno-padded',
+        '-Wno-redundant-parens',
+        '-Wno-reserved-id-macro', # MacOS
+        '-Wno-shorten-64-to-32',
+        '-Wno-sign-conversion',
+        '-Wno-unsafe-buffer-usage',
+        '-Wno-weak-vtables',
+        '-Wno-zero-as-null-pointer-constant', # MacOS
+      ]
+
+      if not meson.is_cross_build()
+        cpp_suppressions += [
+          '-Wno-poison-system-directories',
+        ]
+      endif
+    endif
+
+    if warning_level in ['everything', '3']
+      cpp_suppressions += [
+        '-Wno-nullability-extension',
+      ]
+    endif
+
+  elif cpp.get_id() == 'gcc'
+    if warning_level == 'everything'
+      cpp_suppressions += [
+        '-Wno-cast-align', # LV2
+        '-Wno-cast-qual', # LV2
+        '-Wno-conversion',
+        '-Wno-effc++',
+        '-Wno-padded',
+        '-Wno-strict-overflow',
+        '-Wno-suggest-attribute=const',
+        '-Wno-suggest-attribute=pure',
+        '-Wno-unused-const-variable',
+      ]
+    endif
+  endif
+
+  cpp_suppressions = cpp.get_supported_arguments(cpp_suppressions)
 endif
 
 #######################