add support for a common shell include file, which is evaluated for every make shell...
[openwrt/openwrt.git] / openwrt / rules.mk
index 89adb3efc26dbcfc020544569f7c9f5bb51968e6..8e5294edb3ad69ccbd3b218922a0449c368b8995 100644 (file)
@@ -8,8 +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 ",, $(CONFIG_TARGET_OPTIMIZATION)))
 WGET:=$(strip $(subst ",, $(CONFIG_WGET)))
@@ -22,7 +21,8 @@ OPTIMIZE_FOR_CPU:=$(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
@@ -33,17 +33,21 @@ 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:=$(OPTIMIZE_FOR_CPU)-linux-uclibc-
-TARGET_CROSS:=$(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:=$(STAGING_DIR)/usr/bin:$(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
@@ -54,29 +58,14 @@ SED:=$(STAGING_DIR)/bin/sed -i -e
 CP:=cp -fpR
 
 ifneq ($(CONFIG_CCACHE),)
-  export CCACHE_DIR:=$(TOPDIR)/ccache_$(ARCH)
-  TARGET_CC:=ccache $(TARGET_CC)
+  # FIXME: move this variable to a better location
+  export CCACHE_DIR=$(STAGING_DIR)/ccache
+  TARGET_CC:= ccache $(TARGET_CC)
 endif
 
-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
-
 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_CC)" \
@@ -89,7 +78,6 @@ TARGET_CONFIGURE_OPTS:= \
 RSTRIP:= \
   STRIP="$(STRIP)" \
   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
-  PATH=$(TARGET_PATH) \
   $(SCRIPT_DIR)/rstrip.sh
 
 # where to build (and put) .ipk packages
@@ -102,7 +90,7 @@ 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:=