config.in

這是一個實時嵌入式作業系統 實作了MCS51 ARM等MCU

# Choose gcc version.

comment "Gcc Options"

choice
	prompt "GCC compiler Version"
	default BR2_GCC_VERSION_3_4_6
	help
	  Select the version of gcc you wish to use.

	config BR2_GCC_VERSION_3_3_5
		depends !BR2_nios2 && BR2_DEPRECATED
		bool "gcc 3.3.5"

	config BR2_GCC_VERSION_3_3_6
		depends !BR2_nios2 && BR2_DEPRECATED
		bool "gcc 3.3.6"

	config BR2_GCC_VERSION_3_4_2
		depends BR2_DEPRECATED
		bool "gcc 3.4.2"

	config BR2_GCC_VERSION_3_4_3
		depends BR2_DEPRECATED
		bool "gcc 3.4.3"

	config BR2_GCC_VERSION_3_4_4
		depends BR2_DEPRECATED
		bool "gcc 3.4.4"

	config BR2_GCC_VERSION_3_4_5
		depends BR2_DEPRECATED
		bool "gcc 3.4.5"

	config BR2_GCC_VERSION_3_4_6
		bool "gcc 3.4.6"

	config BR2_GCC_VERSION_4_0_0
		depends !BR2_nios2 && BR2_DEPRECATED
		bool "gcc 4.0.0"

	config BR2_GCC_VERSION_4_0_1
		depends !BR2_nios2 && BR2_DEPRECATED
		bool "gcc 4.0.1"

	config BR2_GCC_VERSION_4_0_2
		depends !BR2_nios2 && BR2_DEPRECATED
		bool "gcc 4.0.2"

	config BR2_GCC_VERSION_4_0_3
		depends !BR2_nios2 && BR2_DEPRECATED
		bool "gcc 4.0.3"

	config BR2_GCC_VERSION_4_0_4
		depends !BR2_nios2
		bool "gcc 4.0.4"

	config BR2_GCC_VERSION_4_1_0
		depends !BR2_nios2 && BR2_DEPRECATED
		bool "gcc 4.1.0"

	config BR2_GCC_VERSION_4_1_1
		depends !BR2_nios2 && BR2_DEPRECATED
		bool "gcc 4.1.1"

	config BR2_GCC_VERSION_4_1_2
		depends !BR2_nios2
		bool "gcc 4.1.2"

	config BR2_GCC_VERSION_4_2
		depends !BR2_nios2
		select BR2_GCC_IS_SNAP
		bool "gcc 4.2"

endchoice

config BR2_GCC_IS_SNAP
	bool
	default n

config BR2_GCC_SNAP_DATE
	string "GCC snapshot date"
	default "20061121"
	depends BR2_GCC_IS_SNAP
	help
	  Enter snapshot date to use for gcc.  Format is:
	  YYYYMMDD

config BR2_GCC_VERSION
	string
	default "3.3.5"     if BR2_GCC_VERSION_3_3_5
	default "3.3.6"     if BR2_GCC_VERSION_3_3_6
	default "3.4.2"     if BR2_GCC_VERSION_3_4_2
	default "3.4.3"     if BR2_GCC_VERSION_3_4_3
	default "3.4.4"     if BR2_GCC_VERSION_3_4_4
	default "3.4.5"     if BR2_GCC_VERSION_3_4_5
	default "3.4.6"     if BR2_GCC_VERSION_3_4_6
	default "4.0.0"     if BR2_GCC_VERSION_4_0_0
	default "4.0.1"     if BR2_GCC_VERSION_4_0_1
	default "4.0.2"     if BR2_GCC_VERSION_4_0_2
	default "4.0.3"     if BR2_GCC_VERSION_4_0_3
	default "4.0.4"     if BR2_GCC_VERSION_4_0_4
	default "4.1.0"     if BR2_GCC_VERSION_4_1_0
	default "4.1.1"     if BR2_GCC_VERSION_4_1_1
	default "4.1.2"     if BR2_GCC_VERSION_4_1_2
	default "4.2"       if BR2_GCC_VERSION_4_2


config BR2_GCC_USE_SJLJ_EXCEPTIONS
	bool "Enable setjmp/longjmp exceptions?"
	default n
	help
	  For some platforms, proper stack unwinding works perfectly,
	  while other platforms must use setjmp/longjmp exceptions for
	  proper stack unwinding during exception handling.  Most people
	  can leave this set to n.

config BR2_EXTRA_GCC_CONFIG_OPTIONS
	string "Additional gcc options"
	default ""
	help
	  Any additional gcc configure options you may want to include....

config BR2_INSTALL_LIBSTDCPP
	bool "Build/install c++ compiler and libstdc++?"
	default n
	# huh? why so? select BR2_LARGEFILE
	select BR2_LARGEFILE if !BR2_GCC_VERSION_4_2
	help
	  Build/install c++ compiler and libstdc++?

config BR2_INSTALL_LIBGCJ
	bool "Build/install java compiler and libgcj?"
	default n
	depends on BR2_INSTALL_LIBSTDCPP
	help
	  Build/install java compiler and libgcj?

config BR2_INSTALL_OBJC
	bool "Build/install Objective-C compiler and runtime?"
	default n
	help
	  Build/install Objective-C compiler and runtime?

config BR2_INSTALL_FORTRAN
	bool "Build/install Fortran compiler and runtime?"
	default n
	select BR2_PACKAGE_LIBMPFR
	help
	  Build/install Fortran compiler and runtime?
	  Note that it is highly recommended NOT to use gfortran
	  from gcc older than 4.2.0