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.

1 files changed, 51 insertions, 6 deletions

diff --git a/examples/meson.build b/examples/meson.build
index be4091a..6984033 100644
--- a/examples/meson.build
+++ b/examples/meson.build
@@ -1,5 +1,5 @@
 data_dir = get_option('prefix') / get_option('datadir') / 'pugl-0'
-example_args = ['-DPUGL_DATA_DIR="@0@"'.format(data_dir)]
+example_defines = ['-DPUGL_DATA_DIR="@0@"'.format(data_dir)]
 
 gl_examples = [
   'pugl_cpp_demo.cpp',
@@ -24,6 +24,51 @@ includes = include_directories(
   '../include',
 )
 
+# Suppress some additional C warnings in examples
+example_c_args = []
+if get_option('strict')
+  if cc.get_id() == 'clang'
+    example_c_args += [
+      '-Wno-float-equal',
+      '-Wno-padded',
+    ]
+  elif cc.get_id() == 'gcc'
+    example_c_args += [
+      '-Wno-float-equal',
+      '-Wno-padded',
+    ]
+  endif
+
+  example_c_args = cc.get_supported_arguments(example_c_args)
+endif
+
+# Suppress some additional C++ warnings in examples
+example_cpp_args = []
+if is_variable('cpp')
+  if cpp.get_id() == 'clang'
+    example_cpp_args += [
+      '-Wno-documentation', # Cairo
+      '-Wno-documentation-unknown-command', # Cairo
+      '-Wno-old-style-cast',
+      '-Wno-padded',
+      '-Wno-reserved-id-macro',
+      '-Wno-switch-enum',
+    ]
+  elif cpp.get_id() == 'gcc'
+    example_cpp_args += [
+      '-Wno-effc++',
+      '-Wno-old-style-cast',
+      '-Wno-padded',
+      '-Wno-switch-default',
+      '-Wno-switch-enum',
+      '-Wno-unused-const-variable',
+      '-Wno-useless-cast',
+    ]
+  endif
+
+  example_cpp_args = cpp.get_supported_arguments(example_cpp_args)
+endif
+
 subdir('shaders')
 
 # Build GL examples
@@ -42,8 +87,8 @@ if opengl_dep.found()
 
     executable(target, source,
                include_directories: includes,
-               c_args: example_args,
-               cpp_args: example_args,
+               c_args: example_defines + example_c_args,
+               cpp_args: example_defines + example_cpp_args,
                dependencies: dependencies)
   endforeach
 endif
@@ -54,7 +99,7 @@ if cairo_dep.found()
     target = example.split('.')[0]
     executable(target, example,
                include_directories: includes,
-               c_args: example_args,
+               c_args: example_defines + example_c_args,
                dependencies: [pugl_dep, cairo_backend_dep])
   endforeach
 endif
@@ -72,8 +117,8 @@ if vulkan_dep.found()
 
     executable(target, source,
                include_directories: includes,
-               c_args: example_args,
-               cpp_args: example_args,
+               c_args: example_defines + example_c_args,
+               cpp_args: example_defines + example_cpp_args,
                dependencies: dependencies)
   endforeach
 endif