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################################################################################
#
# perf
#
################################################################################
# Source taken from the Linux kernel tree
PERF_SOURCE =
PERF_VERSION = $(call qstrip,$(BR2_LINUX_KERNEL_VERSION))
PERF_DEPENDENCIES = linux host-flex host-bison
PERF_MAKE_FLAGS = \
$(LINUX_MAKE_FLAGS) \
NO_LIBAUDIT=1 \
NO_NEWT=1 \
NO_GTK2=1 \
NO_LIBPERL=1 \
NO_LIBPYTHON=1 \
DESTDIR=$(TARGET_DIR) \
prefix=/usr \
WERROR=0 \
ASCIIDOC=
ifeq ($(BR2_PACKAGE_ELFUTILS),y)
PERF_DEPENDENCIES += elfutils
else
PERF_MAKE_FLAGS += NO_LIBELF=1 NO_DWARF=1
endif
define PERF_BUILD_CMDS
$(Q)if test ! -f $(LINUX_DIR)/tools/perf/Makefile ; then \
echo "Your kernel version is too old and does not have the perf tool." ; \
echo "At least kernel 2.6.31 must be used." ; \
exit 1 ; \
fi
$(Q)if test "$(BR2_PACKAGE_ELFUTILS)" = "" ; then \
if ! grep -q NO_LIBELF $(LINUX_DIR)/tools/perf/Makefile ; then \
echo "The perf tool in your kernel cannot be built without libelf." ; \
echo "Either upgrade your kernel to >= 3.7, or enable the elfutils package." ; \
exit 1 ; \
fi \
fi
$(TARGET_MAKE_ENV) $(MAKE) -C $(LINUX_DIR)/tools/perf \
$(PERF_MAKE_FLAGS) O=$(@D)
endef
# After installation, we remove the Perl and Python scripts from the
# target.
define PERF_INSTALL_TARGET_CMDS
$(TARGET_MAKE_ENV) $(MAKE) -C $(LINUX_DIR)/tools/perf \
$(PERF_MAKE_FLAGS) O=$(@D) install
$(RM) -rf $(TARGET_DIR)/usr/libexec/perf-core/scripts/
endef
$(eval $(generic-package))
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