# along with the packages to build for the target.
#
##############################################################
+ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
TARGETS:=uclibc-configured binutils gcc uclibc-target-utils
+else
+TARGETS:=uclibc
+endif
include toolchain/Makefile.in
include package/Makefile.in
#")
+ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
TARGET_CFLAGS=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
+else
+TARGET_CFLAGS=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING) -I$(STAGING_DIR)/include -I$(TOOLCHAIN_EXTERNAL_PATH)/$(TOOLCHAIN_EXTERNAL_PREFIX)/include
+TARGET_LDFLAGS=-L$(STAGING_DIR)/lib -L$(STAGING_DIR)/usr/lib
+endif
HOSTCC:=gcc
HOSTCXX:=g++
#PATCH_DIR=$(BASE_DIR)/sources/patches
BUILD_DIR:=$(BASE_DIR)/$(TOPDIR_PREFIX)build_$(ARCH)$(ARCH_FPU_SUFFIX)$(TOPDIR_SUFFIX)
TARGET_DIR:=$(BUILD_DIR)/root
-TOOL_BUILD_DIR=$(BASE_DIR)/$(TOPDIR_PREFIX)toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX)$(TOPDIR_SUFFIX)
GNU_TARGET_SUFFIX:=-$(strip $(subst ",, $(BR2_GNU_TARGET_SUFFIX)))
#"))
STAGING_DIR:=$(strip $(subst ",, $(BR2_STAGING_DIR)))
#"))
+ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
+TOOL_BUILD_DIR=$(BASE_DIR)/$(TOPDIR_PREFIX)toolchain_build_$(ARCH)$(ARCH_FPU_SUFFIX)$(TOPDIR_SUFFIX)
# Quotes are needed for spaces et al in path components.
TARGET_PATH="$(STAGING_DIR)/bin:$(TOOL_BUILD_DIR)/bin:$(PATH)"
GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
KERNEL_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)$(GNU_TARGET_SUFFIX)-
TARGET_CROSS=$(STAGING_DIR)/bin/$(OPTIMIZE_FOR_CPU)$(GNU_TARGET_SUFFIX)-
+else
+TOOLCHAIN_EXTERNAL_PREFIX:=$(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_PREFIX)))
+#"))
+TOOLCHAIN_EXTERNAL_PATH:=$(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_PATH)))
+#"))
+TOOL_BUILD_DIR=$(BASE_DIR)/$(TOPDIR_PREFIX)toolchain_build_$(TOOLCHAIN_EXTERNAL_PREFIX)
+TARGET_PATH="$(STAGING_DIR)/bin:$(TOOL_BUILD_DIR)/bin:$(TOOLCHAIN_EXTERNAL_PATH)/bin:$(PATH)"
+IMAGE:=$(BASE_DIR)/rootfs.$(TOOLCHAIN_EXTERNAL_PREFIX)
+REAL_GNU_TARGET_NAME=$(TOOLCHAIN_EXTERNAL_PREFIX)
+GNU_TARGET_NAME=$(TOOLCHAIN_EXTERNAL_PREFIX)
+KERNEL_CROSS=$(TOOLCHAIN_EXTERNAL_PATH)/bin/$(TOOLCHAIN_EXTERNAL_PREFIX)-
+TARGET_CROSS=$(TOOLCHAIN_EXTERNAL_PATH)/bin/$(TOOLCHAIN_EXTERNAL_PREFIX)-
+endif
TARGET_CC=$(TARGET_CROSS)gcc
TARGET_CXX=$(TARGET_CROSS)g++
TARGET_RANLIB=$(TARGET_CROSS)ranlib
# and finally build the filesystems/tarballs
include target/*/*.mk
# kernel rules
+ifeq ($(BR2_PACKAGE_LINUX),y)
+TARGETS+=linux26
+endif
include target/linux*.mk
TARGET_DEVICE_DEPMOD:=target/device/x86/depmod.pl
-include target/device/*/Makefile.in
-ifeq ($(BR2_PACKAGE_LINUX),y)
-TARGETS+=linux26
-endif
#
-menu "Toolchain Options"
-
-
-source "toolchain/kernel-headers/Config.in"
-source "toolchain/uClibc/Config.in"
-source "toolchain/binutils/Config.in"
-source "toolchain/gcc/Config.in"
-source "toolchain/ccache/Config.in"
-source "toolchain/gdb/Config.in"
-source "toolchain/elf2flt/Config.in"
-source "toolchain/mklibs/Config.in"
-
-comment "Common Toolchain Options"
-
-source "toolchain/sstrip/Config.in"
-
-config BR2_ENABLE_MULTILIB
- bool "Enable multilib support?"
- default n
- help
- If you want multilib enabled, enable this...
-
-config BR2_LARGEFILE
- bool "Enable large file (files > 2 GB) support?"
- depends on !BR2_cris
- default y
- help
- Enable large file (files > 2 GB) support
-
-config BR2_SOFT_FLOAT
- bool "Use software floating point by default"
- default n
- depends on BR2_arm || BR2_armeb || BR2_mips || BR2_mipsel || BR2_powerpc
- help
- If your target CPU does not have a Floating Point Unit (FPU) or a
- kernel FPU emulator, but you still wish to support floating point
- functions, then everything will need to be compiled with soft
- floating point support (-msoft-float).
-
- Most people will answer N.
-
-#config BR2_SOFT_FLOAT_FP
-# bool "Use softfp"
-# default n
-
-config BR2_TARGET_OPTIMIZATION
- string "Target Optimizations"
- default "-Os -pipe"
- help
- Optimizations to use when building for the target host.
-
-config BR2_CROSS_TOOLCHAIN_TARGET_UTILS
- bool "Include target utils in cross toolchain"
- default y
+choice
+ prompt "Toolchain type"
+ default BR2_TOOLCHAIN_BUILDROOT
help
- When using buildroot to build a deployable cross toolchain,
- it is handy to include certain target apps with that toolchain
- as a convenience.
- Examples include ldd, gdbserver, and strace.
+ Select whether to use the toolchain built by the buildroot
+ system or an external pre-built toolchain.
- Answer Y if you want these apps (if built) copied into the
- cross toolchain dir under <arch>-linux-uclibc/target_utils/.
+config BR2_TOOLCHAIN_BUILDROOT
+ bool
+ prompt "Buildroot toolchain"
-endmenu
+config BR2_TOOLCHAIN_EXTERNAL
+ bool
+ prompt " External toolchain"
+endchoice
+source "toolchain/Config.in.2"
+source "toolchain/external-toolchain/Config.in"
--- /dev/null
+#
+
+menu "Toolchain Options"
+ depends on BR2_TOOLCHAIN_BUILDROOT
+
+source "toolchain/kernel-headers/Config.in"
+source "toolchain/uClibc/Config.in"
+source "toolchain/binutils/Config.in"
+source "toolchain/gcc/Config.in"
+source "toolchain/ccache/Config.in"
+source "toolchain/gdb/Config.in"
+source "toolchain/elf2flt/Config.in"
+source "toolchain/mklibs/Config.in"
+
+comment "Common Toolchain Options"
+
+source "toolchain/sstrip/Config.in"
+
+config BR2_ENABLE_MULTILIB
+ bool "Enable multilib support?"
+ default n
+ help
+ If you want multilib enabled, enable this...
+
+config BR2_LARGEFILE
+ bool "Enable large file (files > 2 GB) support?"
+ depends on !BR2_cris
+ default y
+ help
+ Enable large file (files > 2 GB) support
+
+config BR2_SOFT_FLOAT
+ bool "Use software floating point by default"
+ default n
+ depends on BR2_arm || BR2_armeb || BR2_mips || BR2_mipsel || BR2_powerpc
+ help
+ If your target CPU does not have a Floating Point Unit (FPU) or a
+ kernel FPU emulator, but you still wish to support floating point
+ functions, then everything will need to be compiled with soft
+ floating point support (-msoft-float).
+
+ Most people will answer N.
+
+#config BR2_SOFT_FLOAT_FP
+# bool "Use softfp"
+# default n
+
+config BR2_TARGET_OPTIMIZATION
+ string "Target Optimizations"
+ default "-Os -pipe"
+ help
+ Optimizations to use when building for the target host.
+
+config BR2_CROSS_TOOLCHAIN_TARGET_UTILS
+ bool "Include target utils in cross toolchain"
+ default y
+ help
+ When using buildroot to build a deployable cross toolchain,
+ it is handy to include certain target apps with that toolchain
+ as a convenience.
+ Examples include ldd, gdbserver, and strace.
+
+ Answer Y if you want these apps (if built) copied into the
+ cross toolchain dir under <arch>-linux-uclibc/target_utils/.
+
+endmenu
--- /dev/null
+#
+
+menu "Toolchain Options"
+ depends on BR2_TOOLCHAIN_EXTERNAL
+
+config BR2_TOOLCHAIN_EXTERNAL_LIB_C
+ string "The core C library from the external toolchain"
+ default "libc.so.6"
+ help
+ Specify the core C shared library found in the external
+ toolchain. This is required in addition to any other
+ libraries to be copied.
+
+config BR2_TOOLCHAIN_EXTERNAL_LIBS
+ string "Libraries to copy from the external toolchain"
+ default ""
+ help
+ A space separated list of the shared libraries to be copied
+ from the external toolchain into the root filesystem. Only
+ the top-level name is needed, i.e. libc.so, libpthread.so as
+ the actual shared library symlinked to will be copied also.
+
+config BR2_TOOLCHAIN_EXTERNAL_STRIP
+ bool
+ default y
+ prompt "Strip shared libraries"
+ help
+ Strip shared libraries copied from the external toolchain.
+
+source "toolchain/gdb/Config.in.2"
+
+comment "Common Toolchain Options"
+
+config BR2_TOOLCHAIN_EXTERNAL_PATH
+ string "External toolchain path"
+ default ""
+ help
+ Path to where the external toolchain is installed.
+
+config BR2_TOOLCHAIN_EXTERNAL_PREFIX
+ string "External toolchain prefix"
+ default ""
+ help
+ This the the external toolchain prefix. For example:
+ armeb-unknown-linux-gnu, mipsel-unknown-linux-gnu, etc.
+
+config BR2_LARGEFILE
+ bool "Enable large file (files > 2 GB) support?"
+ depends on !BR2_cris
+ default y
+ help
+ Enable large file (files > 2 GB) support
+
+config BR2_SOFT_FLOAT
+ bool "Use software floating point by default"
+ default n
+ depends on BR2_arm || BR2_armeb || BR2_mips || BR2_mipsel || BR2_powerpc
+ help
+ If your target CPU does not have a Floating Point Unit (FPU) or a
+ kernel FPU emulator, but you still wish to support floating point
+ functions, then everything will need to be compiled with soft
+ floating point support (-msoft-float).
+
+ Most people will answer N.
+
+config BR2_TARGET_OPTIMIZATION
+ string "Target Optimizations"
+ default "-Os -pipe"
+ help
+ Optimizations to use when building for the target host.
+
+endmenu
--- /dev/null
+#
+# copy_toolchain_lib_root
+#
+# $1: source
+# $2: destination
+# $2: strip (y|n) default is to strip
+#
+copy_toolchain_lib_root = \
+ LIB="$(strip $1)"; \
+ DST="$(strip $2)"; \
+ STRIP="$(strip $3)"; \
+ \
+ LIB_DIR=`$(TARGET_CC) -print-file-name=$${LIB} | sed -e "s,/$${LIB}\$$,,"`; \
+ \
+ if test -z "$${LIB_DIR}"; then \
+ echo "copy_toolchain_lib_root: lib=$${LIB} not found"; \
+ exit -1; \
+ fi; \
+ \
+ LIB="$(strip $1)"; \
+ for FILE in `find $${LIB_DIR} -type l -name "$${LIB}*" -maxdepth 1`; do \
+ LIB=`basename $${FILE}`; \
+ while test \! -z "$${LIB}"; do \
+ echo "copy_toolchain_lib_root lib=$${LIB} dst=$${DST}"; \
+ rm -fr $(TARGET_DIR)$${DST}/$${LIB}; \
+ mkdir -p $(TARGET_DIR)$${DST}; \
+ if test -h $${LIB_DIR}/$${LIB}; then \
+ cp -d $${LIB_DIR}/$${LIB} $(TARGET_DIR)$${DST}/; \
+ elif test -f $${LIB_DIR}/$${LIB}; then \
+ cp $${LIB_DIR}/$${LIB} $(TARGET_DIR)$${DST}/$${LIB}; \
+ case "$${STRIP}" in \
+ (0 | n | no) \
+ ;; \
+ (*) \
+ $(TARGET_CROSS)strip "$(TARGET_DIR)$${DST}/$${LIB}"; \
+ ;; \
+ esac; \
+ else \
+ exit -1; \
+ fi; \
+ LIB="`readlink $${LIB_DIR}/$${LIB}`"; \
+ done; \
+ done; \
+ \
+ echo -n
+
+uclibc: dependencies $(TARGET_DIR)/lib/$(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_LIB_C)))
+
+$(TARGET_DIR)/lib/$(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_LIB_C))):
+#"))
+ mkdir -p $(TARGET_DIR)/lib
+ @$(call copy_toolchain_lib_root, $(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_LIB_C))), /lib, $(BR2_TOOLCHAIN_EXTERNAL_STRIP))
+#")))
+ for libs in $(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_LIBS))) ; do \
+ $(call copy_toolchain_lib_root, $$libs, /lib, $(BR2_TOOLCHAIN_EXTERNAL_STRIP)) ; \
+ done
--- /dev/null
+# Keep this in sync with Config.in
+
+comment "Gdb Options"
+
+config BR2_PACKAGE_GDB
+ bool "Build gdb debugger for the Target"
+ default n
+ select BR2_PACKAGE_NCURSES
+ help
+ Build the full gdb debugger to run on the target.
+
+config BR2_PACKAGE_GDB_SERVER
+ bool "Build gdb server for the Target"
+ default n
+ help
+ Build the gdbserver stub to run on the target.
+ A full gdb is needed to debug the progam.
+
+config BR2_PACKAGE_GDB_HOST
+ bool "Build gdb for the Host"
+ default n
+ help
+ Build gdb to run on the host to debug programs run on the target.
+
+choice
+ prompt "GDB debugger Version"
+ default BR2_GDB_VERSION_6_3
+ depends on BR2_PACKAGE_GDB || BR2_PACKAGE_GDB_SERVER || BR2_PACKAGE_GDB_HOST
+ help
+ Select the version of gdb you wish to use.
+
+ config BR2_EXT_GDB_VERSION_6_2_1
+ bool "gdb 6.2.1"
+
+ config BR2_EXT_GDB_VERSION_6_3
+ bool "gdb 6.3"
+
+ config BR2_EXT_GDB_VERSION_6_4
+ bool "gdb 6.4"
+
+ config BR2_EXT_GDB_VERSION_6_5
+ bool "gdb 6.5"
+
+ config BR2_EXT_GDB_VERSION_SNAPSHOT
+ bool "gdb snapshot"
+
+endchoice
+
+config BR2_EXT_GDB_VERSION
+ string
+ default "6.2.1" if BR2_EXT_GDB_VERSION_6_2_1
+ default "6.3" if BR2_EXT_GDB_VERSION_6_3
+ default "6.4" if BR2_EXT_GDB_VERSION_6_4
+ default "6.5" if BR2_EXT_GDB_VERSION_6_5
+ default "snapshot" if BR2_EXT_GDB_VERSION_SNAPSHOT
#
#############################################################
+ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
ifeq ($(BR2_UCLIBC_VERSION_SNAPSHOT),y)
# Be aware that this changes daily....
uclibc_target-dirclean:
rm -rf $(TARGET_DIR)/usr/include
+endif
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