# Main makefile for the toolchain
#
# Steps:
-# 1) toolchain/binutils/install
+# 1) toolchain/binutils/compile
# build & install binutils
-# 2) toolchain/gcc/prepare
+# 2) toolchain/gcc/minimal/compile
# build & install a minimal gcc, needed for steps 3 & 4
-# 3) toolchain/kernel-headers/install
+# 3) toolchain/kernel-headers/compile
# install kernel headers, needed for step 4
-# 4) toolchain/libc/prepare
+# 4) toolchain/libc/headers/compile
# build & install libc headers & support files, needed for step 5
-# 5) toolchain/gcc/compile
+# 5) toolchain/gcc/initial/compile
# build & install an initial gcc, needed for step 6
# 6) toolchain/libc/compile
# build & install the final libc
-# 7) toolchain/gcc/install
+# 7) toolchain/gcc/final/compile
# build & install the final gcc
-# 8) toolchain/libc/install
+# 8) toolchain/libc/utils/compile
# build & install libc utilities
#
+# For musl, steps 2 and 4 are skipped, and step 3 is done after 5
curdir:=toolchain
# subdirectories to descend into
-$(curdir)/builddirs := $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_INSIGHT),insight) $(if $(CONFIG_EXTERNAL_TOOLCHAIN),wrapper,kernel-headers binutils gcc/minimal gcc/initial gcc/final $(LIBC))
-$(curdir)/builddirs-compile:=$($(curdir)/builddirs-prepare)
-$(curdir)/builddirs-install:=$($(curdir)/builddirs-compile)
+$(curdir)/builddirs := $(if $(CONFIG_GDB),gdb) $(if $(CONFIG_EXTERNAL_TOOLCHAIN),wrapper,kernel-headers binutils gcc/initial gcc/final $(LIBC) fortify-headers) $(if $(CONFIG_NASM),nasm)
+ifdef CONFIG_USE_UCLIBC
+ $(curdir)/builddirs += $(LIBC)/utils
+endif
# builddir dependencies
ifeq ($(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
-endif
+ ifdef CONFIG_USE_MUSL
+ $(curdir)/kernel-headers/compile:=$(curdir)/gcc/initial/compile
+ $(curdir)/$(LIBC)/compile:=$(curdir)/kernel-headers/compile
+ else
+ $(curdir)/builddirs += $(LIBC)/headers gcc/minimal
+ $(curdir)/gcc/minimal/compile:=$(curdir)/binutils/compile
+ $(curdir)/kernel-headers/compile:=$(curdir)/gcc/minimal/compile
+ $(curdir)/$(LIBC)/headers/compile:=$(curdir)/kernel-headers/compile
+ $(curdir)/gcc/initial/compile:=$(curdir)/$(LIBC)/headers/compile
+ endif
-ifdef CONFIG_GCC_VERSION_LLVM
- $(curdir)/builddirs += llvm
- $(curdir)/gcc/minimal/compile += $(curdir)/llvm/install
+ $(curdir)/gcc/initial/compile+=$(curdir)/binutils/compile
+ $(curdir)/$(LIBC)/compile:=$(curdir)/gcc/initial/compile
+ $(curdir)/gcc/final/compile:=$(curdir)/$(LIBC)/compile
+ $(curdir)/$(LIBC)/utils/compile:=$(curdir)/gcc/final/compile
endif
ifndef DUMP_TARGET_DB
$(if $(QUIET),,set -x;) \
mkdir -p "$$dir"; \
cd "$$dir"; \
- ln -sf lib lib64; \
+ ln -nsf lib lib64; \
+ ln -nsf lib lib32; \
mkdir -p stamp lib usr/include usr/lib ; \
); done
@grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@
endif
endif
+ifdef CONFIG_BUILDBOT
+ifneq ($(wildcard $(TOPDIR)/.git),)
+ $(TOOLCHAIN_DIR)/stamp/.ver_check: $(TMP_DIR)/.build
+ cd "$(TOPDIR)"; git log --format=%h -1 toolchain > $(TMP_DIR)/.ver_check
+ cmp -s $(TMP_DIR)/.ver_check $@ || { \
+ rm -rf $(BUILD_DIR) $(STAGING_DIR) $(TOOLCHAIN_DIR) $(BUILD_DIR_TOOLCHAIN); \
+ mkdir -p $(TOOLCHAIN_DIR)/stamp; \
+ mv $(TMP_DIR)/.ver_check $@; \
+ }
+
+$(TOOLCHAIN_DIR)/info.mk $(STAGING_DIR)/.prepared: $(TOOLCHAIN_DIR)/stamp/.ver_check
+endif
+endif
+
# prerequisites for the individual targets
$(curdir)/ := .config prereq
-$(curdir)//prepare = $(STAGING_DIR)/.prepared $(TOOLCHAIN_DIR)/info.mk
-$(curdir)//compile = $(1)/prepare
-$(curdir)//install = $(1)/compile
+$(curdir)//compile = $(STAGING_DIR)/.prepared $(TOOLCHAIN_DIR)/info.mk $(tools/stamp-compile)
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)))
+$(curdir)/install: $(curdir)/compile
+
+$(eval $(call stampfile,$(curdir),toolchain,compile,$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed,,$(TOOLCHAIN_DIR)))
+$(eval $(call stampfile,$(curdir),toolchain,check,$(TMP_DIR)/.build))
$(eval $(call subdir,$(curdir)))