Martin Storsjö 10b78cc8ce
[llvm-windres] Pass user preprocessor arguments before the input filename (#75389)
If passing the windres option --preprocessor, the default arguments "-E
-xc -DRC_INVOKED" aren't passed. If these are passed explicitly by the
user via --preprocessor-arg instead, we need to make sure that "-xc" is
passed before the input filename, as this compiler/preprocessor option
only has an effect on input files that follow it.

This fixes one of the issues with llvm-windres observed in
https://github.com/msys2/MINGW-packages/pull/19157.
2023-12-15 20:15:07 +02:00

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; RUN: llvm-rc -### -i%p "-DFOO1=\"foo bar\"" -UFOO2 -D FOO3 -- %p/Inputs/empty.rc | FileCheck %s
; CHECK: {{^}} "clang" "--driver-mode=gcc" "-target" "{{.*}}-pc-windows-msvc-coff" "-E" "-xc" "-DRC_INVOKED" "-I" "{{.*}}" "-D" "FOO1=\"foo bar\"" "-U" "FOO2" "-D" "FOO3" "{{.*}}empty.rc" "-o" "{{.*}}preproc-{{.*}}.rc"{{$}}