new (last?) attempt at standardizing Makefiles

[openwrt.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index a613bea..3645b06 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -1,119 +1,129 @@
-ifeq ($(DUMP),)
-include $(TOPDIR)/.config
-endif
-
-SHELL=/bin/bash
-export SHELL
+# 
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#

 
 

-ifdef V
-  ifeq ("$(origin V)", "command line")
-    KBUILD_VERBOSE = $(V)
-  endif
-endif
-ifndef KBUILD_VERBOSE
-  KBUILD_VERBOSE = 0
-endif
+-include $(TOPDIR)/.config
+include $(TOPDIR)/include/verbose.mk

 
 

-ifneq ($(KBUILD_VERBOSE),0)
-  quiet =
-  Q =
-else
-  quiet=quiet_
-  Q = @
-endif
+export SHELL=/bin/bash

 
 

-
-CP=cp -fpR
-MAKE1=make
-MAKEFLAGS=-j$(CONFIG_JLEVEL) V=$(V) $(EXTRA_MAKEFLAGS)
-# Strip off the annoying quoting

 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))

-WGET:=$(strip $(subst ",, $(CONFIG_WGET)))

 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))

-#"))"))"))"))")) # for vim's broken syntax highlighting :)
+WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
+#"))"))")) # fix vim's broken syntax highlighting

 
 

-ifeq ($(CONFIG_TAR_VERBOSITY),y)
-TAR_OPTIONS=-xvf
-else
-TAR_OPTIONS=-xf
-endif
+OPTIMIZE_FOR_CPU:=$(ARCH)

 
 

-ifneq ($(CONFIG_LARGEFILE),y)
-DISABLE_LARGEFILE= --disable-largefile
-endif
-TARGET_CFLAGS:=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
+# DIRECTORIES #

 
 

-OPTIMIZE_FOR_CPU=$(ARCH)
-HOSTCC:=gcc
-BASE_DIR:=$(TOPDIR)
-DL_DIR:=$(BASE_DIR)/dl
-BUILD_DIR:=$(BASE_DIR)/build_$(ARCH)
-STAGING_DIR:=$(BASE_DIR)/staging_dir_$(ARCH)
-SCRIPT_DIR:=$(BASE_DIR)/scripts
-BIN_DIR:=$(BASE_DIR)/bin
-STAMP_DIR:=$(BUILD_DIR)/stamp
+DL_DIR:=$(TOPDIR)/dl
+INCLUDE_DIR:=$(TOPDIR)/include
+SCRIPT_DIR:=$(TOPDIR)/scripts
+TOOL_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
+STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
+BIN_DIR:=$(TOPDIR)/bin

 PACKAGE_DIR:=$(BIN_DIR)/packages
 PACKAGE_DIR:=$(BIN_DIR)/packages

+IPKG_TARGET_DIR:=$(PACKAGE_DIR)
+BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
+TMP_DIR:=$(BUILD_DIR)/tmp

 STAMP_DIR:=$(BUILD_DIR)/stamp
 TARGET_DIR:=$(BUILD_DIR)/root
 STAMP_DIR:=$(BUILD_DIR)/stamp
 TARGET_DIR:=$(BUILD_DIR)/root

-TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)
-TARGET_PATH=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
+IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
+
+ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
+  REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
+  GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
+  TARGET_CROSS:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
+endif
+

 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)

-REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc
-GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
-KERNEL_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
-TARGET_CROSS:=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc-
+
+TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
+TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
+
+export PATH:=$(TARGET_PATH)
+
+LINUX_DIR:=$(BUILD_DIR)/linux
+LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
+
+# APPLICATIONS #
+HOSTCC:=gcc

 TARGET_CC:=$(TARGET_CROSS)gcc
 STRIP:=$(STAGING_DIR)/bin/sstrip
 TARGET_CC:=$(TARGET_CROSS)gcc
 STRIP:=$(STAGING_DIR)/bin/sstrip

-PATCH=$(SCRIPT_DIR)/patch-kernel.sh
+PATCH:=$(SCRIPT_DIR)/patch-kernel.sh

 SED:=$(STAGING_DIR)/bin/sed -i -e
 SED:=$(STAGING_DIR)/bin/sed -i -e

-LINUX_DIR:=$(BUILD_DIR)/linux
-LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
+CP:=cp -fpR

 
 

+ifneq ($(CONFIG_CCACHE),)
+  # FIXME: move this variable to a better location
+  export CCACHE_DIR=$(TOPDIR)/ccache_$(ARCH)
+  TARGET_CC:= ccache $(TARGET_CC)
+endif

 
 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
        -e 's/sparc.*/sparc/' \
 
 HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
        -e 's/sparc.*/sparc/' \

-       -e 's/arm.*/arm/g' \
+       -e 's/arm.*/arm/' \

        -e 's/m68k.*/m68k/' \
        -e 's/m68k.*/m68k/' \

-       -e 's/ppc/powerpc/g' \
-       -e 's/v850.*/v850/g' \
+       -e 's/ppc/powerpc/' \
+       -e 's/v850.*/v850/' \

        -e 's/sh[234]/sh/' \
        -e 's/mips-.*/mips/' \
        -e 's/mipsel-.*/mipsel/' \
        -e 's/cris.*/cris/' \
        -e 's/i[3-9]86/i386/' \
        )
        -e 's/sh[234]/sh/' \
        -e 's/mips-.*/mips/' \
        -e 's/mipsel-.*/mipsel/' \
        -e 's/cris.*/cris/' \
        -e 's/i[3-9]86/i386/' \
        )

+

 GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
 GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu

-TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
-               AR=$(TARGET_CROSS)ar \
-               AS=$(TARGET_CROSS)as \
-               LD=$(TARGET_CROSS)ld \
-               NM=$(TARGET_CROSS)nm \
-               CC=$(TARGET_CROSS)gcc \
-               GCC=$(TARGET_CROSS)gcc \
-               CXX=$(TARGET_CROSS)g++ \
-               RANLIB=$(TARGET_CROSS)ranlib
-
-ifeq ($(ENABLE_LOCALE),true)
-DISABLE_NLS:=
-else
-DISABLE_NLS:=--disable-nls
-endif

 
 

-ifeq ($(CONFIG_ENABLE_MULTILIB),y)
-MULTILIB:=--enable-multilib
-endif
+TARGET_CONFIGURE_OPTS:= \
+  AR=$(TARGET_CROSS)ar \
+  AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
+  LD=$(TARGET_CROSS)ld \
+  NM=$(TARGET_CROSS)nm \
+  CC="$(TARGET_CC)" \
+  GCC="$(TARGET_CC)" \
+  CXX=$(TARGET_CROSS)g++ \
+  RANLIB=$(TARGET_CROSS)ranlib \
+  STRIP=$(TARGET_CROSS)strip
+
+# strip an entire directory
+RSTRIP:= \
+  STRIP="$(STRIP)" \
+  STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
+  $(SCRIPT_DIR)/rstrip.sh

 
 

-# invoke ipkg-build with some default options
-IPKG_BUILD := PATH="$(TARGET_PATH)" ipkg-build -c -o root -g root

 # where to build (and put) .ipk packages
 # where to build (and put) .ipk packages

-IPKG_TARGET_DIR := $(PACKAGE_DIR)
-IPKG:=IPKG_TMP=$(BUILD_DIR)/tmp IPKG_INSTROOT=$(TARGET_DIR) IPKG_CONF_DIR=$(STAGING_DIR)/etc IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
-IPKG_STATE_DIR := $(TARGET_DIR)/usr/lib/ipkg
+IPKG:= \
+  IPKG_TMP=$(BUILD_DIR)/tmp \
+  IPKG_INSTROOT=$(TARGET_DIR) \
+  IPKG_CONF_DIR=$(STAGING_DIR)/etc \
+  IPKG_OFFLINE_ROOT=$(BUILD_DIR)/root \
+  $(SCRIPT_DIR)/ipkg -force-defaults -force-depends
+
+# invoke ipkg-build with some default options
+IPKG_BUILD:= \
+  ipkg-build -c -o root -g root

 
 

-RSTRIP:=STRIP="$(STRIP)" $(SCRIPT_DIR)/rstrip.sh
-RSTRIP_KMOD:=STRIP="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" $(SCRIPT_DIR)/rstrip.sh
+ifeq ($(CONFIG_ENABLE_LOCALE),true)
+  DISABLE_NLS:=
+else
+  DISABLE_NLS:=--disable-nls
+endif

 
 

+ifneq ($(CONFIG_LARGEFILE),y)
+  DISABLE_LARGEFILE= --disable-largefile
+endif
+
+ifeq ($(CONFIG_TAR_VERBOSITY),y)
+  TAR_OPTIONS=-xvf
+else
+  TAR_OPTIONS=-xf
+endif

 
 all:
 
 all:

+FORCE: ;

 .PHONY: FORCE
 .PHONY: FORCE

-FORCE:
+%: ;