package/perf/perf.mk

   1 ################################################################################
   2 #
   3 # perf
   4 #
   5 ################################################################################
   6
   7 # Source taken from the Linux kernel tree
   8 PERF_SOURCE =
   9 PERF_VERSION = $(call qstrip,$(BR2_LINUX_KERNEL_VERSION))
  10
  11 PERF_DEPENDENCIES = linux host-flex host-bison
  12
  13 PERF_MAKE_FLAGS = \
  14         $(LINUX_MAKE_FLAGS) \
  15         NO_LIBAUDIT=1 \
  16         NO_NEWT=1 \
  17         NO_GTK2=1 \
  18         NO_LIBPERL=1 \
  19         NO_LIBPYTHON=1 \
  20         DESTDIR=$(TARGET_DIR) \
  21         prefix=/usr \
  22         WERROR=0 \
  23         ASCIIDOC=
  24
  25 # The call to backtrace() function fails for ARC, because for some
  26 # reason the unwinder from libgcc returns early. Thus the usage of
  27 # backtrace() should be disabled in perf explicitly: at build time
  28 # backtrace() appears to be available, but it fails at runtime: the
  29 # backtrace will contain only several functions from the top of stack,
  30 # instead of the complete backtrace.
  31 ifeq ($(BR2_arc),y)
  32 PERF_MAKE_FLAGS += NO_BACKTRACE=1
  33 endif
  34
  35 ifeq ($(BR2_PACKAGE_SLANG),y)
  36 PERF_DEPENDENCIES += slang
  37 endif
  38
  39 ifeq ($(BR2_PACKAGE_LIBUNWIND),y)
  40 PERF_DEPENDENCIES += libunwind
  41 endif
  42
  43 ifeq ($(BR2_PACKAGE_NUMACTL),y)
  44 PERF_DEPENDENCIES += numactl
  45 endif
  46
  47 ifeq ($(BR2_PACKAGE_ELFUTILS),y)
  48 PERF_DEPENDENCIES += elfutils
  49 else
  50 PERF_MAKE_FLAGS += NO_LIBELF=1 NO_DWARF=1
  51 endif
  52
  53 define PERF_BUILD_CMDS
  54         $(Q)if test ! -f $(LINUX_DIR)/tools/perf/Makefile ; then \
  55                 echo "Your kernel version is too old and does not have the perf tool." ; \
  56                 echo "At least kernel 2.6.31 must be used." ; \
  57                 exit 1 ; \
  58         fi
  59         $(Q)if test "$(BR2_PACKAGE_ELFUTILS)" = "" ; then \
  60                 if ! grep -q NO_LIBELF $(LINUX_DIR)/tools/perf/Makefile* ; then \
  61                         if ! test -r $(LINUX_DIR)/tools/perf/config/Makefile ; then \
  62                                 echo "The perf tool in your kernel cannot be built without libelf." ; \
  63                                 echo "Either upgrade your kernel to >= 3.7, or enable the elfutils package." ; \
  64                                 exit 1 ; \
  65                         fi \
  66                 fi \
  67         fi
  68         $(TARGET_MAKE_ENV) $(MAKE1) -C $(LINUX_DIR)/tools/perf \
  69                 $(PERF_MAKE_FLAGS) O=$(@D)
  70 endef
  71
  72 # After installation, we remove the Perl and Python scripts from the
  73 # target.
  74 define PERF_INSTALL_TARGET_CMDS
  75         $(TARGET_MAKE_ENV) $(MAKE1) -C $(LINUX_DIR)/tools/perf \
  76                 $(PERF_MAKE_FLAGS) O=$(@D) install
  77         $(RM) -rf $(TARGET_DIR)/usr/libexec/perf-core/scripts/
  78 endef
  79
  80 $(eval $(generic-package))