meson: add arguments to project

meson.build

@@ -1,4 +1,65 @@
-project('metamod', 'c', 'cpp')
+project('metamod', 'c', 'cpp', default_options: [
+  'warning_level=1',
+  'werror=true',
+  'cpp_std=c++14',
+])
+
+compiler = meson.get_compiler('cpp')
+if compiler.get_id() == 'clang' or compiler.get_id() == 'gcc'
+  # C/C++ Defines
+  add_project_arguments([
+    '-Dstricmp=strcasecmp',
+    '-D_stricmp=strcasecmp',
+    '-D_snprintf=snprintf',
+    '-D_vsnprintf=vsnprintf',
+    '-DHAVE_STDINT_H',
+    '-DGNUC',
+  ], language: ['c', 'cpp'])
+
+  # C/C++ Arguments
+  add_project_arguments([
+    '-pipe',
+    '-fno-strict-aliasing',
+    '-Wno-uninitialized',
+    '-Wno-unused',
+    '-Wno-switch',
+    '-msse',
+    '-fPIC',
+    '-fno-omit-frame-pointer',
+  ], language: ['c', 'cpp'])
+
+  # C++ Arguments
+  add_project_arguments([
+    '-fno-exceptions',
+    '-fno-rtti',
+    '-fno-threadsafe-statics',
+    '-Wno-non-virtual-dtor',
+    '-Wno-overloaded-virtual',
+  ], language: 'cpp')
+
+  # Optional C++ Arguments
+  optional_arguments = [
+    '-Wno-delete-non-virtual-dtor',
+    '-mfpmath=sse',
+    '-Wno-implicit-exception-spec-mismatch',
+    '-Wno-expansion-to-defined',
+    '-Wno-inconsistent-missing-override',
+    '-Wno-deprecated-register',
+    '-Wno-deprecated',
+    '-Wno-implicit-int-float-conversion',
+    '-Wno-tautological-overlap-compare',
+  ]
+  foreach arg : optional_arguments
+    if compiler.has_argument(arg)
+      add_project_arguments(arg, language: 'cpp')
+    endif
+  endforeach
+
+  # Platform Arguments
+  add_project_arguments('-D_LINUX', language: 'cpp')
+  add_project_arguments('-DPOSIX', language: 'cpp')
+  add_project_arguments('-D_FILE_OFFSET_BITS=64', language: 'cpp')
+endif
 
 public_inc = include_directories('public')