linux-kernel - [PATCH v2 1/3] tools: perf: add dummy functions for !HAVE_LZMA

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Message-ID: <20250220185512.3357820-2-stephen.s.brennan@oracle.com>
Date: Thu, 20 Feb 2025 10:55:09 -0800
From: Stephen Brennan <stephen.s.brennan@...cle.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>, Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Namhyung Kim <namhyung@...nel.org>
Cc: Stephen Brennan <stephen.s.brennan@...cle.com>,
        "Liang, Kan" <kan.liang@...ux.intel.com>,
        Mark Rutland <mark.rutland@....com>,
        Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
        Jiri Olsa <jolsa@...nel.org>, linux-kernel@...r.kernel.org,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        James Clark <james.clark@...aro.org>,
        Chaitanya S Prakash <chaitanyas.prakash@....com>,
        Ian Rogers <irogers@...gle.com>, linux-perf-users@...r.kernel.org,
        Adrian Hunter <adrian.hunter@...el.com>,
        Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH v2 1/3] tools: perf: add dummy functions for !HAVE_LZMA_SUPPORT

This allows us to use them without needing to ifdef the calling code.

Signed-off-by: Stephen Brennan <stephen.s.brennan@...cle.com>
---
 tools/perf/util/compress.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tools/perf/util/compress.h b/tools/perf/util/compress.h
index b29109cd36095..a7650353c6622 100644
--- a/tools/perf/util/compress.h
+++ b/tools/perf/util/compress.h
@@ -5,6 +5,7 @@
 #include <stdbool.h>
 #include <stddef.h>
 #include <sys/types.h>
+#include <linux/compiler.h>
 #ifdef HAVE_ZSTD_SUPPORT
 #include <zstd.h>
 #endif
@@ -17,6 +18,17 @@ bool gzip_is_compressed(const char *input);
 #ifdef HAVE_LZMA_SUPPORT
 int lzma_decompress_to_file(const char *input, int output_fd);
 bool lzma_is_compressed(const char *input);
+#else
+static inline
+int lzma_decompress_to_file(const char *input __maybe_unused,
+			    int output_fd __maybe_unused)
+{
+	return -1;
+}
+static inline int lzma_is_compressed(const char *input __maybe_unused)
+{
+	return false;
+}
 #endif
 
 struct zstd_data {
-- 
2.43.5