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-rw-r--r--tools/perf/Makefile.config27
1 files changed, 26 insertions, 1 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 1f1fdc5a0031..65770941bf12 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -179,8 +179,17 @@ strip-libs = $(filter-out -l%,$(1))
PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
+# Python 3.8 changed the output of `python-config --ldflags` to not include the
+# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
+# libpython fails if that flag is not included in LDFLAGS
+ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
+ PYTHON_CONFIG_LDFLAGS := --ldflags --embed
+else
+ PYTHON_CONFIG_LDFLAGS := --ldflags
+endif
+
ifdef PYTHON_CONFIG
- PYTHON_EMBED_LDOPTS := $(shell pkg-config --libs python 2>/dev/null)
+ PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
PYTHON_EMBED_CCOPTS := $(shell pkg-config --cflags python 2>/dev/null)
@@ -263,6 +272,10 @@ ifeq ($(feature-pthread-attr-setaffinity-np), 1)
CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
endif
+ifeq ($(feature-pthread-barrier), 1)
+ CFLAGS += -DHAVE_PTHREAD_BARRIER
+endif
+
ifndef NO_BIONIC
$(call feature_check,bionic)
ifeq ($(feature-bionic), 1)
@@ -272,6 +285,18 @@ ifndef NO_BIONIC
endif
endif
+ifeq ($(feature-eventfd), 1)
+ CFLAGS += -DHAVE_EVENTFD
+endif
+
+ifeq ($(feature-get_current_dir_name), 1)
+ CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
+endif
+
+ifeq ($(feature-gettid), 1)
+ CFLAGS += -DHAVE_GETTID
+endif
+
ifdef NO_LIBELF
NO_DWARF := 1
NO_DEMANGLE := 1