diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 61 |
1 files changed, 48 insertions, 13 deletions
@@ -46,17 +46,26 @@ ARCH:=i386 #ARCH:=sparc #ARCH:=whatever +# Enable this if you want to use an <arch>-linux-uclibc-* toolchain. +# Note that, to avoid configure problems with apps that don't support +# this tupple, we also put <arch>-linux-* symlinks in staging_dir/bin. +# WARNING -- This does not yet support soft-float builds. +USE_LINUX_UCLIBC:=true +#USE_LINUX_UCLIBC:=false + # If you are building a native gcc toolchain, do you want to # build the old gcc-2.95 based toolchain, or would you prefer # a nice and shiny new gcc-3.3.2 toolchain? -# WARNING -- 2.95 currently does not build. +# WARNING -- 2.95 currently does not build unless USE_LINUX_UCLIBC:=true. +# WARNING -- 2.95 currently only builds for i386, arm, mips*, and powerpc. +# WARNING -- 2.95 does not currently build natively for the target. +#GCC_2_95_TOOLCHAIN:=true GCC_2_95_TOOLCHAIN:=false -# WARNING -- 2.95 currently does not build. # Enable this to use the uClibc daily snapshot instead of a released # version. Daily snapshots may contain new features and bugfixes. Or # they may not even compile at all, depending on what Erik is doing... -USE_UCLIBC_SNAPSHOT:=false +USE_UCLIBC_SNAPSHOT:=true # Enable this to use the busybox daily snapshot instead of a released # version. Daily snapshots may contain new features and bugfixes. Or @@ -70,12 +79,15 @@ BUILD_WITH_LARGEFILE:=true WGET:=wget --passive-ftp # Optimize toolchain for which type of CPU? +ifeq ($(USE_LINUX_UCLIBC),true) +OPTIMIZE_FOR_CPU=$(ARCH) +#OPTIMIZE_FOR_CPU=i686 +#OPTIMIZE_FOR_CPU=whatever +else # WARNING!!! CURRENTLY BROKEN!!! LEAVE IT AS $(ARCH)!!! OPTIMIZE_FOR_CPU=$(ARCH) # WARNING!!! CURRENTLY BROKEN!!! LEAVE IT AS $(ARCH)!!! -#OPTIMIZE_FOR_CPU=i486 -#OPTIMIZE_FOR_CPU=strongarm -#OPTIMIZE_FOR_CPU=whatever +endif # Soft floating point options. # Notes: @@ -200,6 +212,11 @@ TARGETS+=ext2root # ############################################################# +# The new stuff doesn't support soft float yet. +ifeq ($(USE_LINUX_UCLIBC),true) +SOFT_FLOAT:=false +endif + ifeq ($(SOFT_FLOAT),true) SOFT_FLOAT_CONFIG_OPTION:=--without-float TARGET_SOFT_FLOAT:=-msoft-float @@ -210,9 +227,13 @@ TARGET_SOFT_FLOAT:= ARCH_FPU_SUFFIX:= endif +# The new stuff auto-detects approrpriate locale support. +# So only set this for the old 'hacked' toolchain. +ifneq ($(USE_LINUX_UCLIBC),true) ifeq ($(ENABLE_LOCALE),true) EXTRA_GCC_CONFIG_OPTIONS += --enable-clocale=gnu endif +endif # WARNING -- uClibc currently disables large file support on cris. ifeq ("$(strip $(ARCH))","cris") @@ -234,15 +255,24 @@ TARGET_DIR:=$(BUILD_DIR)/root STAGING_DIR=$(BUILD_DIR)/staging_dir TOOL_BUILD_DIR=$(BASE_DIR)/toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX) TARGET_PATH=$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin -#TARGET_CROSS=$(STAGING_DIR)/bin/$(ARCH)-uclibc- -TARGET_CROSS=$(STAGING_DIR)/bin/$(ARCH)-linux- -TARGET_CC=$(TARGET_CROSS)gcc$(TARGET_SOFT_FLOAT) -STRIP=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note -#STRIP:=/bin/true IMAGE:=$(BASE_DIR)/root_fs_$(ARCH)$(ARCH_FPU_SUFFIX) + +ifeq ($(USE_LINUX_UCLIBC),true) +REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux-uclibc +GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux +KERNEL_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc- +TARGET_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux-uclibc- +else +REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux -#KERNEL_CROSS=$(STAGING_DIR)/bin/$(ARCH)-uclibc- -KERNEL_CROSS=$(STAGING_DIR)/bin/$(ARCH)-linux- +KERNEL_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux- +TARGET_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)-linux- +endif + +TARGET_CC=$(TARGET_CROSS)gcc$(TARGET_SOFT_FLOAT) +STRIP=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note + + HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \ -e 's/sparc.*/sparc/' \ -e 's/arm.*/arm/g' \ @@ -301,7 +331,12 @@ $(STAGING_DIR): rm -rf $(STAGING_DIR) mkdir -p $(STAGING_DIR)/lib mkdir -p $(STAGING_DIR)/usr +ifneq ($(GCC_2_95_TOOLCHAIN),true) mkdir -p $(STAGING_DIR)/include +else + mkdir -p $(STAGING_DIR)/$(REAL_GNU_TARGET_NAME)/include + (cd $(STAGING_DIR); ln -fs $(REAL_GNU_TARGET_NAME)/include) +endif ln -fs ../lib $(STAGING_DIR)/usr/lib $(TARGET_DIR): |