build system cleanup/restructuring as described in http://lists.openwrt.org/pipermail...

[openwrt/staging/chunkeey.git] / toolchain / Makefile

diff --git a/toolchain/Makefile b/toolchain/Makefile
index e0af602c2a3a4c0777017203c61c1ba5e2bc207e..80bdf485dfad28fd9e0ed40655c52cc2014084e7 100644 (file)
--- a/toolchain/Makefile
+++ b/toolchain/Makefile
@@ -6,11 +6,12 @@
 #
 # Main makefile for the toolchain
 #
-file:=${lastword ${MAKEFILE_LIST}}
-curdir:=$(patsubst %/Makefile,%,${file})
+curdir:=toolchain
 
 # subdirectories to descend into
 $(curdir)/builddirs := kernel-headers $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_NATIVE_TOOLCHAIN),,binutils gcc uClibc)
+$(curdir)/builddirs-compile:=. $(filter-out kernel-headers,$($(curdir)/builddirs))
+$(curdir)/builddirs-install:=$($(curdir)/builddirs-compile)
 
 # builddir dependencies
 $(curdir)/uClibc/prepare:=$(curdir)/kernel-headers/prepare
@@ -18,15 +19,26 @@ ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
   $(curdir)/binutils/prepare:=$(curdir)/uClibc/prepare
   $(curdir)/gcc/prepare:=$(curdir)/binutils/install
   $(curdir)/uClibc/compile:=$(curdir)/gcc/compile
+  $(curdir)/gcc/install:=$(curdir)/uClibc/compile
+  $(curdir)/uClibc/install:=$(curdir)/gcc/install
 endif
-$(curdir)/gcc/install:=$(curdir)/uClibc/install
+
+$(TOOLCHAIN_DIR)/info.mk: .config
+       @for dir in $(TOOLCHAIN_DIR); do ( \
+               set -x; \
+               mkdir -p "$$dir"; \
+               cd "$$dir"; \
+               mkdir -p bin lib include stamp; \
+       ); done
+       @grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@
+       @touch $@
 
 # prerequisites for the individual targets
-$(curdir)/ := .config $(tools/stamp)
-$(curdir)//prepare = $(STAGING_DIR)/include-host/.done
+$(curdir)/ := .config prereq
+$(curdir)//prepare = $(STAGING_DIR)/.prepared $(TOOLCHAIN_DIR)/info.mk
 $(curdir)//compile = $(1)/prepare
 $(curdir)//install = $(1)/compile
 
-$(eval $(call stampfile,$(curdir),toolchain))
+$(eval $(call stampfile,$(curdir),toolchain,install))
 $(eval $(call subdir,$(curdir)))