changes to target/linux/generic-* should not trigger a kernel-headers rebuild

[openwrt.git] / rules.mk

diff --git a/rules.mk b/rules.mk
index be269e7..e363517 100644 (file)
--- a/rules.mk
+++ b/rules.mk
@@ -9,7 +9,6 @@
 include $(TOPDIR)/include/verbose.mk
 
 export SHELL=/usr/bin/env bash -c '. $(TOPDIR)/include/shell.sh; eval "$$2"' --
-export BASH=$(shell which bash)
 
 ARCH:=$(strip $(subst ",, $(CONFIG_ARCH)))
 TARGET_OPTIMIZATION:=$(strip $(subst ",, $(CONFIG_TARGET_OPTIMIZATION)))
@@ -30,7 +29,7 @@ BIN_DIR:=$(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
@@ -43,7 +42,7 @@ endif
 
 IMAGE:=$(BUILD_DIR)/root_fs_$(ARCH)
 
-TARGET_PATH:=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
+TARGET_PATH:=$(STAGING_DIR)/usr/sbin:$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:$(PATH)
 TARGET_CFLAGS:=$(TARGET_OPTIMIZATION)
 
 export PATH:=$(TARGET_PATH)
@@ -59,12 +58,21 @@ PATCH:=$(SCRIPT_DIR)/patch-kernel.sh
 SED:=$(STAGING_DIR)/bin/sed -i -e
 CP:=cp -fpR
 
+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$(STAGING_DIR)/lib
+
 TARGET_CONFIGURE_OPTS:= \
   AR=$(TARGET_CROSS)ar \
   AS="$(TARGET_CC) -c $(TARGET_CFLAGS)" \
@@ -74,10 +82,12 @@ TARGET_CONFIGURE_OPTS:= \
   GCC="$(TARGET_CC)" \
   CXX=$(TARGET_CROSS)g++ \
   RANLIB=$(TARGET_CROSS)ranlib \
-  STRIP=$(TARGET_CROSS)strip
+  STRIP=$(TARGET_CROSS)strip \
+  OBJCOPY=$(TARGET_CROSS)objcopy
 
 # strip an entire directory
 RSTRIP:= \
+  NM="$(TARGET_CROSS)nm" \
   STRIP="$(STRIP)" \
   STRIP_KMOD="$(TARGET_CROSS)strip --strip-unneeded --remove-section=.comment" \
   $(SCRIPT_DIR)/rstrip.sh
@@ -106,11 +116,41 @@ ifneq ($(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))=$$(call $(1))
+export $(call shvar,$(1))
+endef
+
+# Default targets for subdirectory calls
+# Parameters:
+#      1: dependencies for the prepare step
+define default_subtargets
+  %-download: FORCE
+       $$(MAKE) -C $$(patsubst %-download,%,$$@) download
+
+  %-prepare: $(1) FORCE
+       $$(MAKE) -C $$(patsubst %-prepare,%,$$@) prepare
+
+  %-compile: %-prepare 
+       $$(MAKE) -C $$(patsubst %-compile,%,$$@) compile
+
+  %-install: %-compile
+       $$(MAKE) -C $$(patsubst %-install,%,$$@) install
+
+  %-clean: FORCE
+       @$$(MAKE) -C $$(patsubst %-clean,%,$$@) clean
+endef
+
+
 all:
 FORCE: ;
 .PHONY: FORCE