# 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
$(curdir)/binutils/prepare:=$(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)))