Fix Mypyc not compiling on Arch Linux:

dosisod · dosisod · commit ec368be2bb5e · 2022-10-31T18:19:55.000-07:00
Closes mypyc/mypyc#956 This was originally a part of python#13953, see python#13953 (comment)
diff --git a/mypyc/build.py b/mypyc/build.py
@@ -534,6 +534,8 @@ def mypycify(
             "-Wno-unused-command-line-argument",
             "-Wno-unknown-warning-option",
             "-Wno-unused-but-set-variable",
+            "-Wno-cpp",
+            "-Wno-ignored-optimization-argument",
         ]
     elif compiler.compiler_type == "msvc":
         # msvc doesn't have levels, '/O2' is full and '/Od' is disable

Original file line number	Diff line number	Diff line change
`@@ -534,6 +534,8 @@ def mypycify(`
`534`	`534`	`"-Wno-unused-command-line-argument",`
`535`	`535`	`"-Wno-unknown-warning-option",`
`536`	`536`	`"-Wno-unused-but-set-variable",`
	`537`	`+ "-Wno-cpp",`
	`538`	`+ "-Wno-ignored-optimization-argument",`
`537`	`539`	`]`
`538`	`540`	`elif compiler.compiler_type == "msvc":`
`539`	`541`	`# msvc doesn't have levels, '/O2' is full and '/Od' is disable`