From 55f9506e4fe172cd5376ad9d95a99440a90b3c43 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Fri, 28 May 2021 16:25:52 -0400
Subject: Split up warning suppression flags more finely

This avoids polluting the main list of suppressions with things that are only
triggered in tests or examples, making it clearer which warning are present in
pugl itself.
---
 test/meson.build | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 62 insertions(+), 3 deletions(-)

(limited to 'test')

diff --git a/test/meson.build b/test/meson.build
index bd838f3..a50b6c7 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -1,3 +1,38 @@
+# Suppress some additional C warnings in tests
+test_c_args = []
+if get_option('strict')
+  if cc.get_id() == 'clang'
+    test_c_args += [
+      '-Wno-float-equal',
+    ]
+  elif cc.get_id() == 'gcc'
+    test_c_args += [
+      '-Wno-float-equal',
+    ]
+  endif
+
+  test_c_args = cc.get_supported_arguments(test_c_args)
+endif
+
+# Suppress some additional C++ warnings in tests
+test_cpp_args = []
+if get_option('strict') and is_variable('cpp')
+  if cpp.get_id() == 'clang'
+    test_cpp_args += [
+      '-Wno-documentation', # Cairo
+      '-Wno-documentation-unknown-command', # Cairo
+      '-Wno-old-style-cast',
+      '-Wno-padded',
+    ]
+  elif cpp.get_id() == 'gcc'
+    test_cpp_args += [
+      '-Wno-padded',
+    ]
+  endif
+
+  test_cpp_args = cpp.get_supported_arguments(test_cpp_args)
+endif
+
 basic_tests = [
   'local_copy_paste',
   'realize',
@@ -35,6 +70,7 @@ includes = [
 foreach test : basic_tests
   test(test,
        executable('test_' + test, 'test_@0@.c'.format(test),
+                  c_args: test_c_args,
                   include_directories: include_directories(includes),
                   dependencies: [pugl_dep, stub_backend_dep]))
 endforeach
@@ -43,6 +79,7 @@ if opengl_dep.found()
   foreach test : gl_tests
     test(test,
          executable('test_' + test, 'test_@0@.c'.format(test),
+                    c_args: test_c_args,
                     include_directories: include_directories(includes),
                     dependencies: [pugl_dep, gl_backend_dep]))
   endforeach
@@ -52,6 +89,7 @@ if cairo_dep.found()
   foreach test : cairo_tests
     test(test,
          executable('test_' + test, 'test_@0@.c'.format(test),
+                    c_args: test_c_args,
                     include_directories: include_directories(includes),
                     dependencies: [pugl_dep, cairo_backend_dep]))
   endforeach
@@ -61,6 +99,8 @@ if vulkan_dep.found()
   foreach test : vulkan_tests
     test(test,
          executable('test_' + test, 'test_@0@.c'.format(test),
+                    c_args: test_c_args,
+                    cpp_args: test_cpp_args,
                     include_directories: include_directories(includes),
                     dependencies: [pugl_dep, vulkan_backend_dep]))
   endforeach
@@ -88,14 +128,33 @@ if host_machine.system() == 'darwin'
 
   objcpp = meson.get_compiler('objcpp')
   unified_args += objcpp.get_supported_arguments(
-    c_warnings + cpp_warnings + objc_warnings)
+    c_warnings + test_cpp_args + objc_warnings)
 
   executable('inline_objcpp', 'test_inline_objcpp.mm',
              include_directories: include_directories(includes),
              dependencies: unified_deps,
              objcpp_args: unified_args)
+
 elif is_variable('cpp')
-  if cpp.get_id() == 'msvc'
+  unified_args = []
+
+  if cpp.get_id() == 'clang'
+    unified_args += [
+      '-Wno-old-style-cast',
+      '-Wno-reserved-id-macro',
+      '-Wno-switch-default',
+      '-Wno-switch-enum',
+      '-Wno-unused-macros', # Mac
+    ]
+  elif cpp.get_id() == 'gcc'
+    unified_args += [
+      '-Wno-conditionally-supported',
+      '-Wno-old-style-cast',
+      '-Wno-switch-default',
+      '-Wno-switch-enum',
+      '-Wno-useless-cast',
+    ]
+  elif cpp.get_id() == 'msvc'
     unified_args += [
       '/wd4464' # relative include path contains '..'
     ]
@@ -104,5 +163,5 @@ elif is_variable('cpp')
   executable('inline_cpp', 'test_inline_cpp.cpp',
              include_directories: include_directories(includes),
              dependencies: unified_deps,
-             cpp_args: unified_args)
+             cpp_args: test_cpp_args + unified_args)
 endif
-- 
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