[PATCH 1/2] tools build: Add libbabeltrace2 feature test

[Ian Rogers]

libbabeltrace2 is a rewrite libbabeltrace from 2020, add support for
detecting it so that perf builds may prefer using it to libbabeltrace
which dates from 2010.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
 tools/build/Makefile.feature              | 1 +
 tools/build/feature/Makefile              | 4 ++++
 tools/build/feature/test-libbabeltrace2.c | 9 +++++++++
 3 files changed, 14 insertions(+)
 create mode 100644 tools/build/feature/test-libbabeltrace2.c

diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 2f192d3bf61b..5425430582d2 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -114,6 +114,7 @@ FEATURE_TESTS_EXTRA :=                  \
          gtk2-infobar                   \
          hello                          \
          libbabeltrace                  \
+         libbabeltrace2                 \
          libcapstone                    \
          libcheck                       \
          libbfd-liberty                 \
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 704c687ed3ad..9cf00d3fbefb 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -49,6 +49,7 @@ FILES=                                          \
          test-stackprotector-all.bin            \
          test-timerfd.bin                       \
          test-libbabeltrace.bin                 \
+         test-libbabeltrace2.bin                \
          test-libcapstone.bin			\
          test-libcheck.bin			\
          test-compile-32.bin                    \
@@ -311,6 +312,9 @@ $(OUTPUT)test-timerfd.bin:
 $(OUTPUT)test-libbabeltrace.bin:
 	$(BUILD) # -lbabeltrace provided by $(FEATURE_CHECK_LDFLAGS-libbabeltrace)
 
+$(OUTPUT)test-libbabeltrace2.bin:
+	$(BUILD) # -lbabeltrace2 provided by $(FEATURE_CHECK_LDFLAGS-libbabeltrace2)
+
 $(OUTPUT)test-libcapstone.bin:
 	$(BUILD) # -lcapstone provided by $(FEATURE_CHECK_LDFLAGS-libcapstone)
 
diff --git a/tools/build/feature/test-libbabeltrace2.c b/tools/build/feature/test-libbabeltrace2.c
new file mode 100644
index 000000000000..0c964994a34e
--- /dev/null
+++ b/tools/build/feature/test-libbabeltrace2.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <babeltrace2/babeltrace.h>
+
+int main(void)
+{
+	bt_graph_create(0);
+	return 0;
+}
-- 
2.54.0.563.g4f69b47b94-goog