linux-kernel - [PATCH 2/5] perf, tools: Add probing for udev86

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Message-Id: <1459187142-20035-2-git-send-email-andi@firstfloor.org>
Date:	Mon, 28 Mar 2016 10:45:39 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	acme@...nel.org
Cc:	jolsa@...nel.org, linux-kernel@...r.kernel.org, eranian@...gle.com,
	Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 2/5] perf, tools: Add probing for udev86

From: Andi Kleen <ak@...ux.intel.com>

Add autoprobing for the udev86 disassembler library.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 tools/build/Makefile.feature      | 6 ++++--
 tools/build/feature/Makefile      | 8 ++++++--
 tools/build/feature/test-all.c    | 5 +++++
 tools/build/feature/test-udis86.c | 8 ++++++++
 tools/perf/config/Makefile        | 5 +++++
 5 files changed, 28 insertions(+), 4 deletions(-)
 create mode 100644 tools/build/feature/test-udis86.c

diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 6b77072..db4f426 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -55,7 +55,8 @@ FEATURE_TESTS_BASIC :=			\
 	zlib				\
 	lzma				\
 	get_cpuid			\
-	bpf
+	bpf				\
+	udis86
 
 # FEATURE_TESTS_BASIC + FEATURE_TESTS_EXTRA is the complete list
 # of all feature tests
@@ -94,7 +95,8 @@ FEATURE_DISPLAY ?=			\
 	zlib				\
 	lzma				\
 	get_cpuid			\
-	bpf
+	bpf				\
+	udis86
 
 # Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features.
 # If in the future we need per-feature checks/flags for features not
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index c5f4c41..d05c312 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -36,7 +36,8 @@ FILES=					\
 	test-zlib.bin			\
 	test-lzma.bin			\
 	test-bpf.bin			\
-	test-get_cpuid.bin
+	test-get_cpuid.bin		\
+	test-udis86.bin
 
 FILES := $(addprefix $(OUTPUT),$(FILES))
 
@@ -51,7 +52,7 @@ __BUILD = $(CC) $(CFLAGS) -Wall -Werror -o $@ $(patsubst %.bin,%.c,$(@F)) $(LDFL
 ###############################
 
 $(OUTPUT)test-all.bin:
-	$(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -laudit -I/usr/include/slang -lslang $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz -llzma
+	$(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -laudit -I/usr/include/slang -lslang $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz -llzma -ludis86
 
 $(OUTPUT)test-hello.bin:
 	$(BUILD)
@@ -97,6 +98,9 @@ $(OUTPUT)test-numa_num_possible_cpus.bin:
 $(OUTPUT)test-libunwind.bin:
 	$(BUILD) -lelf
 
+$(OUTPUT)test-udis86.bin:
+	$(BUILD) -ludis86
+
 $(OUTPUT)test-libunwind-debug-frame.bin:
 	$(BUILD) -lelf
 
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index e499a36..76b0de3 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -133,6 +133,10 @@
 # include "test-libcrypto.c"
 #undef main
 
+#define main main_test_udis86
+#  include "test-udis86.c"
+#endif
+
 int main(int argc, char *argv[])
 {
 	main_test_libpython();
@@ -163,6 +167,7 @@ int main(int argc, char *argv[])
 	main_test_get_cpuid();
 	main_test_bpf();
 	main_test_libcrypto();
+	main_test_udis86();
 
 	return 0;
 }
diff --git a/tools/build/feature/test-udis86.c b/tools/build/feature/test-udis86.c
new file mode 100644
index 0000000..623c545
--- /dev/null
+++ b/tools/build/feature/test-udis86.c
@@ -0,0 +1,8 @@
+#include <udis86.h>
+
+int main(void)
+{
+	ud_t ud;
+	ud_init(&ud);
+	return 0;
+}
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index f7d7f5a..399ada8 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -587,6 +587,11 @@ ifneq ($(filter -lbfd,$(EXTLIBS)),)
   CFLAGS += -DHAVE_LIBBFD_SUPPORT
 endif
 
+ifeq ($(feature-udis86), 1)
+  CFLAGS += -DHAVE_UDIS86
+  EXTLIBS += -ludis86
+endif
+
 ifndef NO_ZLIB
   ifeq ($(feature-zlib), 1)
     CFLAGS += -DHAVE_ZLIB_SUPPORT
-- 
2.5.5