devel: import perf from oldpackages

perf was in the oldpackages repository, but it makes more sense to have
it part of the default package set since we build it from the Linux
kernel sources.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 43418

package/devel/perf/Makefile

@@ -0,0 +1,66 @@
+#
+# Copyright (C) 2011-2013 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=perf
+PKG_VERSION:=$(LINUX_VERSION)
+PKG_RELEASE:=2
+
+PKG_USE_MIPS16:=0
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/perf
+  SECTION:=devel
+  CATEGORY:=Development
+  DEPENDS:= +libelf1 +libdw +libpthread +librt +binutils
+  TITLE:=Linux performance monitoring tool
+  VERSION:=$(LINUX_VERSION)-$(PKG_RELEASE)
+  URL:=http://www.kernel.org
+endef
+
+define Package/perf/description
+  perf is the Linux performance monitoring tool
+endef
+
+# Perf's makefile and headers are not relocatable and must be built from the
+# Linux sources directory
+define Build/Prepare
+	$(RM) -r $(PKG_BUILD_DIR)
+	ln -s $(LINUX_DIR)/tools/perf $(PKG_BUILD_DIR)
+endef
+
+# MAKE_FLAGS should be passed again upon cleaning because Perf's makefile
+# always performs checks before processing any rule
+define Build/Clean
+	-$(MAKE) -C $(PKG_BUILD_DIR) \
+		NO_DWARF=1 \
+		$(MAKE_FLAGS) \
+		clean
+endef
+
+MAKE_FLAGS = \
+	ARCH="$(LINUX_KARCH)" \
+	NO_LIBPERL=1 \
+	NO_LIBPYTHON=1 \
+	NO_NEWT=1 \
+	CROSS_COMPILE="$(TARGET_CROSS)" \
+	CC="$(TARGET_CC)" \
+	LD="$(TARGET_CROSS)ld" \
+	CFLAGS="$(TARGET_CFLAGS) $(TARGET_CPPFLAGS)" \
+	LDFLAGS="$(TARGET_LDFLAGS)" \
+	V=1 \
+	prefix=/usr
+
+define Package/perf/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(LINUX_DIR)/tools/perf/perf $(1)/usr/bin/
+endef
+
+$(eval $(call BuildPackage,perf))