Tidy up Makefiles

[openwrt-10.03/.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index 206e57dd03e1f6cd2a461ccf1194307166328481..4bc7dfab48e538aaf511e6051f85b567212fb71d 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -8,7 +8,7 @@
 -include $(TOPDIR)/.config
 include $(TOPDIR)/include/verbose.mk
 
-export SHELL=/bin/bash
+export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
 
 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
@@ -22,28 +22,33 @@ OPTIMIZE_FOR_CPU:=$(ARCH)
 DL_DIR:=$(TOPDIR)/dl
 INCLUDE_DIR:=$(TOPDIR)/include
 SCRIPT_DIR:=$(TOPDIR)/scripts
-TOOL_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
+TOOL_BUILD_DIR:=$(TOPDIR)/tool_build
+TOOLCHAIN_BUILD_DIR:=$(TOPDIR)/toolchain_build_$(ARCH)
 STAGING_DIR:=$(TOPDIR)/staging_dir_$(ARCH)
 BIN_DIR:=$(TOPDIR)/bin
 PACKAGE_DIR:=$(BIN_DIR)/packages
 IPKG_TARGET_DIR:=$(PACKAGE_DIR)
 BUILD_DIR:=$(TOPDIR)/build_$(ARCH)
-TMP_DIR:=$(BUILD_DIR)/tmp
+TMP_DIR:=$(TOPDIR)/tmp
 STAMP_DIR:=$(BUILD_DIR)/stamp
 TARGET_DIR:=$(BUILD_DIR)/root
 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/ipkg
 
-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-
+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)
 
-TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
+TARGET_PATH:=$(STAGING_DIR)/usr/sbin:$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
 
+export PATH:=$(TARGET_PATH)
+
 LINUX_DIR:=$(BUILD_DIR)/linux
-LINUX_HEADERS_DIR:=$(TOOL_BUILD_DIR)/linux
+LINUX_HEADERS_DIR:=$(TOOLCHAIN_BUILD_DIR)/linux
 
 # APPLICATIONS #
 HOSTCC:=gcc
@@ -53,41 +58,44 @@ PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 SED:=$(STAGING_DIR)/bin/sed -i -e
 CP:=cp -fpR
 
-HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
-       -e 's/sparc.*/sparc/' \
-       -e 's/arm.*/arm/' \
-       -e 's/m68k.*/m68k/' \
-       -e 's/ppc/powerpc/' \
-       -e 's/v850.*/v850/' \
-       -e 's/sh[234]/sh/' \
-       -e 's/mips-.*/mips/' \
-       -e 's/mipsel-.*/mipsel/' \
-       -e 's/cris.*/cris/' \
-       -e 's/i[3-9]86/i386/' \
-       )
-
-GNU_HOST_NAME:=$(HOST_ARCH)-pc-linux-gnu
+INSTALL_BIN:=install -m0755
+INSTALL_DIR:=install -d -m0755
+INSTALL_DATA:=install -m0644
+INSTALL_CONF:=install -m0600
+
+ifneq ($(CONFIG_CCACHE),)
+  # FIXME: move this variable to a better location
+  export CCACHE_DIR=$(STAGING_DIR)/ccache
+  TARGET_CC:= ccache $(TARGET_CC)
+endif
+
+EXTRA_CPPFLAGS := -I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
+EXTRA_CFLAGS := $(EXTRA_CPPFLAGS)
+EXTRA_LDFLAGS := -L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib
 
 TARGET_CONFIGURE_OPTS:= \
-  PATH=$(TARGET_PATH) \
   AR=$(TARGET_CROSS)ar \
-  AS=$(TARGET_CROSS)as \
+  AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
   LD=$(TARGET_CROSS)ld \
   NM=$(TARGET_CROSS)nm \
-  CC=$(TARGET_CROSS)gcc \
-  GCC=$(TARGET_CROSS)gcc \
+  CC="$(TARGET_CC)" \
+  GCC="$(TARGET_CC)" \
   CXX=$(TARGET_CROSS)g++ \
   RANLIB=$(TARGET_CROSS)ranlib \
-  STRIP=$(TARGET_CROSS)strip
+  STRIP=$(TARGET_CROSS)strip \
+  OBJCOPY=$(TARGET_CROSS)objcopy \
+       OBJDUMP=$(TARGET_CROSS)objdump
 
 # strip an entire directory
 RSTRIP:= \
+  NM="$(TARGET_CROSS)nm" \
   STRIP="$(STRIP)" \
   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
   $(SCRIPT_DIR)/rstrip.sh
 
 # where to build (and put) .ipk packages
 IPKG:= \
+  PATH="$(STAGING_DIR)/bin:$(PATH)" \
   IPKG_TMP=$(BUILD_DIR)/tmp \
   IPKG_INSTROOT=$(TARGET_DIR) \
   IPKG_CONF_DIR=$(STAGING_DIR)/etc \
@@ -96,7 +104,7 @@ IPKG:= \
 
 # invoke ipkg-build with some default options
 IPKG_BUILD:= \
-  PATH="$(TARGET_PATH)" ipkg-build -c -o root -g root
+  ipkg-build -c -o 0 -g 0
 
 ifeq ($(CONFIG_ENABLE_LOCALE),true)
   DISABLE_NLS:=
@@ -109,11 +117,33 @@ ifneq ($(CONFIG_LARGEFILE),y)
 endif
 
 ifeq ($(CONFIG_TAR_VERBOSITY),y)
-  TAR_OPTIONS=-xvf
+  TAR_OPTIONS:=-xvf -
 else
-  TAR_OPTIONS=-xf
+  TAR_OPTIONS:=-xf -
 endif
 
+define shvar
+V_$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
+endef
+
+define shexport
+$(call shvar,$(1))=$$(call $(1))
+export $(call shvar,$(1))
+endef
+
+# Default targets for subdirectory calls
+# Parameters:
+#      1: dependencies for the prepare step
+define default_subtargets
+  %-download %-prepare %-compile %-install %-clean: FORCE
+       $$(MAKE) -C $$* $$(patsubst $$*-%,%,$$@)
+
+  %-compile: %-prepare 
+  %-install: %-compile
+  .SILENT: %-clean
+endef
+
+
 all:
 FORCE: ;
 .PHONY: FORCE