Clang warns about unused -D parameters when operating on .s
files (or if invoked with "-x assembler") while GCC doesn't.
---
As noobdy else than me essentially maintains gas-preprocessor, I'll
go ahead and push this after a couple days if nobody speaks up.
---
gas-preprocessor.pl | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/gas-preprocessor.pl b/gas-preprocessor.pl
index 8028d81..67b130e 100755
--- a/gas-preprocessor.pl
+++ b/gas-preprocessor.pl
@@ -158,6 +158,10 @@ while ($index < $#preprocess_c_cmd) {
my $tempfile;
if ($as_type ne "armasm") {
@gcc_cmd = map { /\.[csS]$/ ? qw(-x assembler -) : $_ } @gcc_cmd;
+
+ # Filter out options that can cause warnings due to unused arguments,
+ # Clang warns about unused -D parameters when invoked with "-x assembler".
+ @gcc_cmd = grep ! /^-D/, @gcc_cmd;
} else {
@preprocess_c_cmd = grep ! /^-c$/, @preprocess_c_cmd;
@preprocess_c_cmd = grep ! /^-m/, @preprocess_c_cmd;
--
2.25.1
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