69 lines
2.0 KiB
Makefile
69 lines
2.0 KiB
Makefile
################################################################################
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#
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# perf
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#
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################################################################################
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# Source taken from the Linux kernel tree
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PERF_SOURCE =
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PERF_VERSION = $(call qstrip,$(BR2_LINUX_KERNEL_VERSION))
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PERF_DEPENDENCIES = linux host-flex host-bison
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PERF_MAKE_FLAGS = \
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$(LINUX_MAKE_FLAGS) \
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NO_LIBAUDIT=1 \
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NO_NEWT=1 \
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NO_GTK2=1 \
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NO_LIBPERL=1 \
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NO_LIBPYTHON=1 \
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DESTDIR=$(TARGET_DIR) \
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prefix=/usr \
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WERROR=0 \
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ASCIIDOC=
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# The call to backtrace() function fails for ARC, because for some
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# reason the unwinder from libgcc returns early. Thus the usage of
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# backtrace() should be disabled in perf explicitly: at build time
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# backtrace() appears to be available, but it fails at runtime: the
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# backtrace will contain only several functions from the top of stack,
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# instead of the complete backtrace.
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ifeq ($(BR2_arc),y)
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PERF_MAKE_FLAGS += NO_BACKTRACE=1
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endif
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ifeq ($(BR2_PACKAGE_ELFUTILS),y)
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PERF_DEPENDENCIES += elfutils
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else
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PERF_MAKE_FLAGS += NO_LIBELF=1 NO_DWARF=1
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endif
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define PERF_BUILD_CMDS
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$(Q)if test ! -f $(LINUX_DIR)/tools/perf/Makefile ; then \
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echo "Your kernel version is too old and does not have the perf tool." ; \
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echo "At least kernel 2.6.31 must be used." ; \
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exit 1 ; \
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fi
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$(Q)if test "$(BR2_PACKAGE_ELFUTILS)" = "" ; then \
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if ! grep -q NO_LIBELF $(LINUX_DIR)/tools/perf/Makefile* ; then \
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if ! test -r $(LINUX_DIR)/tools/perf/config/Makefile ; then \
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echo "The perf tool in your kernel cannot be built without libelf." ; \
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echo "Either upgrade your kernel to >= 3.7, or enable the elfutils package." ; \
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exit 1 ; \
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fi \
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fi \
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fi
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$(TARGET_MAKE_ENV) $(MAKE) -C $(LINUX_DIR)/tools/perf \
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$(PERF_MAKE_FLAGS) O=$(@D)
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endef
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# After installation, we remove the Perl and Python scripts from the
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# target.
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define PERF_INSTALL_TARGET_CMDS
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$(TARGET_MAKE_ENV) $(MAKE) -C $(LINUX_DIR)/tools/perf \
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$(PERF_MAKE_FLAGS) O=$(@D) install
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$(RM) -rf $(TARGET_DIR)/usr/libexec/perf-core/scripts/
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endef
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$(eval $(generic-package))
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