linux-kernel - [PATCH 02/14] perf tools: Add feature check for lzma library

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Date:	Tue,  3 Mar 2015 16:29:29 +0100
From:	Jiri Olsa <jolsa@...nel.org>
To:	linux-kernel@...r.kernel.org
Cc:	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 02/14] perf tools: Add feature check for lzma library

Will be used to decompress 'xz' objects. The check detects
the liblzma.so devel library normally delivered by xz package.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Stephane Eranian <eranian@...gle.com>
---
 tools/perf/config/Makefile                   |  6 ++++--
 tools/perf/config/feature-checks/Makefile    |  6 +++++-
 tools/perf/config/feature-checks/test-lzma.c | 10 ++++++++++
 3 files changed, 19 insertions(+), 3 deletions(-)
 create mode 100644 tools/perf/config/feature-checks/test-lzma.c

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index d44c64d64465..d77bcea691dd 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -228,7 +228,8 @@ CORE_FEATURE_TESTS =			\
 	timerfd				\
 	libdw-dwarf-unwind		\
 	libbabeltrace			\
-	zlib
+	zlib				\
+	lzma
 
 LIB_FEATURE_TESTS =			\
 	dwarf				\
@@ -244,7 +245,8 @@ LIB_FEATURE_TESTS =			\
 	libunwind			\
 	libdw-dwarf-unwind		\
 	libbabeltrace			\
-	zlib
+	zlib				\
+	lzma
 
 VF_FEATURE_TESTS =			\
 	backtrace			\
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index 8fe067864957..f7b1b7934782 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -32,7 +32,8 @@ FILES=					\
 	test-libbabeltrace.bin		\
 	test-compile-32.bin		\
 	test-compile-x32.bin		\
-	test-zlib.bin
+	test-zlib.bin			\
+	test-lzma.bin
 
 CC := $(CROSS_COMPILE)gcc -MD
 PKG_CONFIG := $(CROSS_COMPILE)pkg-config
@@ -151,6 +152,9 @@ test-compile-x32.bin:
 test-zlib.bin:
 	$(BUILD) -lz
 
+test-lzma.bin:
+	$(BUILD) -llzma
+
 -include *.d
 
 ###############################
diff --git a/tools/perf/config/feature-checks/test-lzma.c b/tools/perf/config/feature-checks/test-lzma.c
new file mode 100644
index 000000000000..95adc8ced3dd
--- /dev/null
+++ b/tools/perf/config/feature-checks/test-lzma.c
@@ -0,0 +1,10 @@
+#include <lzma.h>
+
+int main(void)
+{
+	lzma_stream strm = LZMA_STREAM_INIT;
+	int ret;
+
+	ret = lzma_stream_decoder(&strm, UINT64_MAX, LZMA_CONCATENATED);
+	return ret ? -1 : 0;
+}
-- 
1.9.3

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