uClibc: add back R_PPC_REL24 relocation support, the dynamic libgcc changes depend...

[openwrt.git] / toolchain / Makefile

diff --git a/toolchain/Makefile b/toolchain/Makefile
index b116531..141f478 100644 (file)
--- a/toolchain/Makefile
+++ b/toolchain/Makefile
@@ -1,33 +1,82 @@
 # 
 # 

-# Copyright (C) 2007 OpenWrt.org
+# Copyright (C) 2007-2009 OpenWrt.org

 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 # Main makefile for the toolchain
 #
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 # Main makefile for the toolchain
 #

+# Steps:
+# 1) toolchain/binutils/install
+#    build & install binutils
+# 2) toolchain/gcc/prepare
+#    build & install a minimal gcc, needed for steps 3 & 4
+# 3) toolchain/kernel-headers/install
+#    install kernel headers, needed for step 4
+# 4) toolchain/libc/prepare
+#    build & install libc headers & support files, needed for step 5
+# 5) toolchain/gcc/compile
+#    build & install an initial gcc, needed for step 6
+# 6) toolchain/libc/compile
+#    build & install the final libc
+# 7) toolchain/gcc/install
+#    build & install the final gcc
+# 8) toolchain/libc/install
+#    build & install libc utilities
+#
+

 curdir:=toolchain
 
 # subdirectories to descend into
 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 := $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_INSIGHT),insight) $(if $(CONFIG_EXTERNAL_TOOLCHAIN),,kernel-headers binutils gcc/minimal gcc/initial gcc/final $(LIBC) $(if $(CONFIG_GLIBC_PORTS),glibc-ports))
+$(curdir)/builddirs-compile:=$($(curdir)/builddirs-prepare)

 $(curdir)/builddirs-install:=$($(curdir)/builddirs-compile)
 
 # builddir dependencies
 $(curdir)/builddirs-install:=$($(curdir)/builddirs-compile)
 
 # builddir dependencies

-$(curdir)/uClibc/prepare:=$(curdir)/kernel-headers/prepare
-ifeq ($(CONFIG_NATIVE_TOOLCHAIN),)
-  $(curdir)/binutils/prepare:=$(curdir)/uClibc/prepare
-  $(curdir)/gcc/prepare:=$(curdir)/binutils/install
-  $(curdir)/uClibc/compile:=$(curdir)/gcc/compile
+ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
+  $(curdir)/$(LIBC)/prepare:=$(curdir)/kernel-headers/install
+  $(curdir)/gcc/minimal/compile:=$(curdir)/binutils/install
+  $(curdir)/kernel-headers/install:=$(curdir)/gcc/minimal/install
+  $(curdir)/gcc/initial/compile:=$(curdir)/$(LIBC)/prepare
+  $(curdir)/gcc/initial/prepare:=$(curdir)/gcc/minimal/prepare
+  $(curdir)/gcc/final/prepare:=$(curdir)/gcc/initial/prepare
+  $(curdir)/$(LIBC)/compile:=$(curdir)/gcc/initial/install
+  $(curdir)/gcc/final/compile:=$(curdir)/$(LIBC)/compile
+  $(curdir)/$(LIBC)/install:=$(curdir)/gcc/final/install
+  ifneq ($(CONFIG_GLIBC_PORTS),)
+    $(curdir)/glibc/prepare:=$(curdir)/glibc-ports/prepare
+  endif
+endif
+
+ifdef CONFIG_GCC_VERSION_LLVM
+  $(curdir)/builddirs += llvm
+  $(curdir)/gcc/minimal/compile += $(curdir)/llvm/install
+endif
+
+ifndef DUMP_TARGET_DB
+ifneq ($(ARCH),)
+  $(TOOLCHAIN_DIR)/info.mk: .config
+       @for dir in $(TOOLCHAIN_DIR); do ( \
+               set -x; \
+               mkdir -p "$$dir"; \
+               cd "$$dir"; \
+               mkdir -p stamp lib usr/include usr/lib ; \
+       ); done
+       @grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@
+       @touch $@
+endif

 endif
 endif

-$(curdir)/gcc/install:=$(curdir)/uClibc/install

 
 # prerequisites for the individual targets
 $(curdir)/ := .config prereq
 
 # prerequisites for the individual targets
 $(curdir)/ := .config prereq

-$(curdir)//prepare = $(STAGING_DIR)/include-host/.done
+$(curdir)//prepare = $(STAGING_DIR)/.prepared $(TOOLCHAIN_DIR)/info.mk

 $(curdir)//compile = $(1)/prepare
 $(curdir)//install = $(1)/compile
 
 $(curdir)//compile = $(1)/prepare
 $(curdir)//install = $(1)/compile
 

-$(eval $(call stampfile,$(curdir),toolchain,install))
+ifndef DUMP_TARGET_DB
+$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed:
+endif
+
+$(eval $(call stampfile,$(curdir),toolchain,install,$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed,,$(TOOLCHAIN_DIR)))

 $(eval $(call subdir,$(curdir)))
 
 $(eval $(call subdir,$(curdir)))