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1326e76185
Remove the perf package and add legacy handling. [Thomas: - improve the Config.in.legacy help text - improve the comment explaining why we pass O= when building perf] Signed-off-by: Romain Naour <romain.naour@openwide.fr> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
88 lines
2.4 KiB
Makefile
88 lines
2.4 KiB
Makefile
################################################################################
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#
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# perf
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#
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################################################################################
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LINUX_TOOLS += perf
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PERF_DEPENDENCIES = host-flex host-bison
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ifeq ($(KERNEL_ARCH),x86_64)
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PERF_ARCH=x86
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else
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PERF_ARCH=$(KERNEL_ARCH)
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endif
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PERF_MAKE_FLAGS = \
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$(LINUX_MAKE_FLAGS) \
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ARCH=$(PERF_ARCH) \
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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 ($(BR2_PACKAGE_SLANG),y)
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PERF_DEPENDENCIES += slang
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endif
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ifeq ($(BR2_PACKAGE_LIBUNWIND),y)
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PERF_DEPENDENCIES += libunwind
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endif
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ifeq ($(BR2_PACKAGE_NUMACTL),y)
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PERF_DEPENDENCIES += numactl
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endif
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ifeq ($(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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# O must be redefined here to overwrite the one used by Buildroot for
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# out of tree build. We build perf in $(@D)/tools/perf/ and not just
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# $(@D) so that it isn't built in the root directory of the kernel
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# sources.
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define PERF_BUILD_CMDS
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$(Q)if test ! -f $(@D)/tools/perf/Makefile ; then \
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echo "Your kernel version is too old and does not have the perf tool." ; \
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echo "At least kernel 2.6.31 must be used." ; \
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exit 1 ; \
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fi
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$(Q)if test "$(BR2_PACKAGE_ELFUTILS)" = "" ; then \
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if ! grep -q NO_LIBELF $(@D)/tools/perf/Makefile* ; then \
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if ! test -r $(@D)/tools/perf/config/Makefile ; then \
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echo "The perf tool in your kernel cannot be built without libelf." ; \
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echo "Either upgrade your kernel to >= 3.7, or enable the elfutils package." ; \
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exit 1 ; \
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fi \
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fi \
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fi
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$(TARGET_MAKE_ENV) $(MAKE1) $(PERF_MAKE_FLAGS) \
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-C $(@D)/tools/perf O=$(@D)/tools/perf/
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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) $(MAKE1) $(PERF_MAKE_FLAGS) \
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-C $(@D)/tools/perf O=$(@D)/tools/perf/ install
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$(RM) -rf $(TARGET_DIR)/usr/libexec/perf-core/scripts/
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endef
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