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authorMax Kellermann <max@musicpd.org>2019-12-23 17:47:01 +0100
committerMax Kellermann <max@musicpd.org>2019-12-23 17:53:57 +0100
commita1afe9afc6879960389491b6fb587f14ae1ae5df (patch)
treee0016b1b1f409e81c82a183191305ee35bf28416 /src/util/Compiler.h
parentfe598e7d30d82794560df053623a16fee8d3fb9c (diff)
util/Compiler.h: add gcc_fallthrough
Works around build failures with ccache which may feed processed code to GCC, which doesn't have the "fall through" code comments.
Diffstat (limited to 'src/util/Compiler.h')
-rw-r--r--src/util/Compiler.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/util/Compiler.h b/src/util/Compiler.h
index 6a64ad098..a97b34529 100644
--- a/src/util/Compiler.h
+++ b/src/util/Compiler.h
@@ -143,6 +143,12 @@
#define gcc_flatten
#endif
+#if CLANG_OR_GCC_VERSION(7,0)
+#define gcc_fallthrough __attribute__((fallthrough))
+#else
+#define gcc_fallthrough
+#endif
+
#ifndef __cplusplus
/* plain C99 has "restrict" */
#define gcc_restrict restrict