perl: fix compile on clang by ignoring a warning

A new warning type introduced since clang 12 causes a build failure.
Ignore it to fix.

https://reviews.llvm.org/D86751

Fixes: #4308

diff --git a/src/perl.c b/src/perl.c
index 4c7c6912e8087288e6b96ab8de536750a1746f07..4260699db63f6e3cd70771ed267ed280bc54ccca 100644 (file)
--- a/src/perl.c
+++ b/src/perl.c
@@ -33,6 +33,12 @@
 /* do not automatically get the thread specific Perl interpreter */
 #define PERL_NO_GET_CONTEXT
 
+#if defined(__clang__) && defined(__clang_major__)
+#if __clang_major__ >= 12
+#pragma clang diagnostic ignored "-Wcompound-token-split-by-macro"
+#endif
+#endif
+
 #include "collectd.h"
 #include <stdbool.h>