@@ -149,6 +149,24 @@ FEATURE_DISPLAY ?= \
#
FEATURE_GROUP_MEMBERS-libbfd = libbfd-liberty libbfd-liberty-z
+#
+# Declare list of feature dependency packages that provide pkg-config files.
+#
+FEATURE_PKG_CONFIG ?= \
+ libtraceevent \
+ libtracefs
+
+feature_pkg_config = $(eval $(feature_pkg_config_code))
+define feature_pkg_config_code
+ FEATURE_CHECK_CFLAGS-$(1) := $(shell $(PKG_CONFIG) --cflags $(1) 2>/dev/null)
+ FEATURE_CHECK_LDFLAGS-$(1) := $(shell $(PKG_CONFIG) --libs $(1) 2>/dev/null)
+endef
+
+# Set FEATURE_CHECK_(C|LD)FLAGS-$(package) for packages using pkg-config.
+ifneq ($(PKG_CONFIG),)
+ $(foreach package,$(FEATURE_PKG_CONFIG),$(call feature_pkg_config,$(package)))
+endif
+
# 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
# mentioned in this list we need to refactor this ;-).
@@ -182,20 +182,15 @@ endif
FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
+# for linking with debug library, run like:
+# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig
+
ifneq ($(NO_LIBTRACEEVENT),1)
ifeq ($(call get-executable,$(PKG_CONFIG)),)
$(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it)
endif
endif
-# for linking with debug library, run like:
-# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig
-FEATURE_CHECK_CFLAGS-libtraceevent := $(shell $(PKG_CONFIG) --cflags libtraceevent 2>/dev/null)
-FEATURE_CHECK_LDFLAGS-libtraceevent := $(shell $(PKG_CONFIG) --libs libtraceevent 2>/dev/null)
-
-FEATURE_CHECK_CFLAGS-libtracefs := $(shell $(PKG_CONFIG) --cflags libtracefs 2>/dev/null)
-FEATURE_CHECK_LDFLAGS-libtracefs := $(shell $(PKG_CONFIG) --libs libtracefs 2>/dev/null)
-
FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
# include ARCH specific config
-include $(src-perf)/arch/$(SRCARCH)/Makefile
Other tools, in tools/verification and tools/tracing, make use of libtraceevent and libtracefs as dependencies. This allows setting up the feature check flags for them as well. Signed-off-by: Guilherme Amadio <amadio@gentoo.org> --- tools/build/Makefile.feature | 18 ++++++++++++++++++ tools/perf/Makefile.config | 11 +++-------- 2 files changed, 21 insertions(+), 8 deletions(-)