From e8eeb9c38d7f862a477ec8015cba548398bf7ac5 Mon Sep 17 00:00:00 2001 From: Abdoulaye Walsimou Gaye Date: Mon, 8 Aug 2011 21:47:04 +0200 Subject: Toolchain: uClibc: Adding missing kconfig file after commit e397617f2e816d4a Signed-off-by: Abdoulaye Walsimou Gaye --- kconfig/uclibc-kconfigs/uclibc-arch.kconfig | 223 ++++++++++++++++++++++++++++ 1 file changed, 223 insertions(+) create mode 100644 kconfig/uclibc-kconfigs/uclibc-arch.kconfig diff --git a/kconfig/uclibc-kconfigs/uclibc-arch.kconfig b/kconfig/uclibc-kconfigs/uclibc-arch.kconfig new file mode 100644 index 0000000..af136a2 --- /dev/null +++ b/kconfig/uclibc-kconfigs/uclibc-arch.kconfig @@ -0,0 +1,223 @@ +# +# For a description of the syntax of this configuration file, +# see extra/config/Kconfig-language.txt +# + + +# +# Binary format +# +if !KEMBTK_UCLIBC_ARCH_USE_MMU +choice + prompt "Target File Format" +config KEMBTK_UCLIBC_UCLIBC_FORMAT_ELF + bool "ELF" + depends on KEMBTK_UCLIBC_ARCH_USE_MMU +config KEMBTK_UCLIBC_UCLIBC_FORMAT_FDPIC_ELF + bool "FDPIC ELF" + depends on !KEMBTK_UCLIBC_ARCH_USE_MMU && (KEMBTK_UCLIBC_TARGET_bfin || KEMBTK_UCLIBC_TARGET_frv) + select KEMBTK_UCLIBC_DOPIC +config KEMBTK_UCLIBC_UCLIBC_FORMAT_DSBT_ELF + bool "DBST ELF" + depends on !KEMBTK_UCLIBC_ARCH_USE_MMU && KEMBTK_UCLIBC_TARGET_c6x + select KEMBTK_UCLIBC_DOPIC +config KEMBTK_UCLIBC_UCLIBC_FORMAT_FLAT + bool "STATIC FLAT" + depends on !KEMBTK_UCLIBC_ARCH_USE_MMU + select KEMBTK_UCLIBC_ARCH_HAS_NO_LDSO +config KEMBTK_UCLIBC_UCLIBC_FORMAT_FLAT_SEP_DATA + bool "STATIC FLAT (sep-data)" + depends on !KEMBTK_UCLIBC_ARCH_USE_MMU + select KEMBTK_UCLIBC_ARCH_HAS_NO_LDSO +config KEMBTK_UCLIBC_UCLIBC_FORMAT_SHARED_FLAT + bool "SHARED FLAT" + depends on !KEMBTK_UCLIBC_ARCH_USE_MMU + select KEMBTK_UCLIBC_ARCH_HAS_NO_LDSO + help + Pick this one if you are using uClinux and wish to build + uClibc as a flat-format shared library. +endchoice +endif +if KEMBTK_UCLIBC_ARCH_USE_MMU +comment "Using ELF file format" +endif + +config KEMBTK_UCLIBC_UCLIBC_SHARED_FLAT_ID + int "Shared library ID" + default 1 + depends on KEMBTK_UCLIBC_UCLIBC_FORMAT_SHARED_FLAT + help + When using flat shared libraries, every library has a unique + system-wide identifier. Identifier 0 is reserved for + executables and true shared libraries have identifiers + starting at 1. The maximum shared library identifier is + determined by the kernel and is usually 3. Shared library + N must be available on the target system as "/lib/libN.so". + + When a shared C library is used, it usually has identifier 1, + but you can use this option to select a different identifier + if you need to. + + + +# +# Endian Format +# +config KEMBTK_UCLIBC_ARCH_ANY_ENDIAN + bool + default n +config KEMBTK_UCLIBC_ARCH_BIG_ENDIAN + bool + default n +config KEMBTK_UCLIBC_ARCH_LITTLE_ENDIAN + bool + default n +if KEMBTK_UCLIBC_ARCH_ANY_ENDIAN +#choice +# prompt "Target Processor Endianness" +# help +# This is the endianness you wish to use. Choose either Big +# Endian, or Little Endian. +config KEMBTK_UCLIBC_ARCH_WANTS_BIG_ENDIAN + bool + default n + select KEMBTK_UCLIBC_ARCH_BIG_ENDIAN + +config KEMBTK_UCLIBC_ARCH_WANTS_LITTLE_ENDIAN + bool + default n + select KEMBTK_UCLIBC_ARCH_LITTLE_ENDIAN +#endchoice +endif +# if the arch only supports one endian, just display the setting +if !KEMBTK_UCLIBC_ARCH_ANY_ENDIAN && KEMBTK_UCLIBC_ARCH_LITTLE_ENDIAN +comment "Using Little Endian" +endif +if !KEMBTK_UCLIBC_ARCH_ANY_ENDIAN && KEMBTK_UCLIBC_ARCH_BIG_ENDIAN +comment "Using Big Endian" +endif + +config KEMBTK_UCLIBC_ARCH_HAS_NO_MMU + bool +if KEMBTK_UCLIBC_ARCH_HAS_NO_MMU +comment "Target CPU lacks a memory management unit (MMU)" +endif + +config KEMBTK_UCLIBC_ARCH_HAS_MMU + bool "Target CPU has a memory management unit (MMU)" + depends on !KEMBTK_UCLIBC_ARCH_HAS_NO_MMU + default y + help + If your target CPU does not have a memory management unit (MMU), + then answer N here. Normally, Linux runs on systems with an MMU. + If you are building a uClinux system, answer N. + + Most people will answer Y. + +config KEMBTK_UCLIBC_ARCH_USE_MMU + bool "Do you want to utilize the MMU?" + depends on KEMBTK_UCLIBC_ARCH_HAS_MMU + default y + help + If your target CPU has a MMU, and you wish to actually utilize it, + then answer Y here. Normal Linux requires an MMU. + + If you're unsure, answer Y. + +config KEMBTK_UCLIBC_UCLIBC_HAS_FLOATS + bool "Enable floating point number support" + default y + help + This option allows you to entirely omit all floating point number + support from uClibc. This will cause floating point functions like + strtod() to be omitted from uClibc. Other floating point functions, + such as printf() and scanf() will still be included in the library, + but will not contain support for floating point numbers. + + Answering N to this option can reduce the size of uClibc. + Most people will answer Y. + +config KEMBTK_UCLIBC_UCLIBC_HAS_FPU + bool "Target CPU has a floating point unit (FPU)" + default y + 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 uClibc will need to be compiled with soft floating + point support (-msoft-float). If your target CPU does not have an + FPU or an FPU emulator within the Linux kernel, then you should + answer N. + + Most people will answer Y. + +config KEMBTK_UCLIBC_UCLIBC_HAS_SOFT_FLOAT + bool + depends on KEMBTK_UCLIBC_UCLIBC_HAS_FLOATS && !KEMBTK_UCLIBC_UCLIBC_HAS_FPU + default y + +config KEMBTK_UCLIBC_DO_C99_MATH + bool "Enable full C99 math library support" + depends on KEMBTK_UCLIBC_UCLIBC_HAS_FLOATS + help + If you want the uClibc math library to contain the full set C99 + math library features, then answer Y. If you leave this set to + N the math library will contain only the math functions that were + listed as part of the traditional POSIX/IEEE 1003.1b-1993 standard. + Leaving this option set to N will save around 35k on an x86 system. + + If your applications require the newer C99 math library functions, + then answer Y. + +config KEMBTK_UCLIBC_DO_XSI_MATH + bool "Enable XSI math extensions to the ISO C standard (bessel)" + depends on KEMBTK_UCLIBC_UCLIBC_HAS_FLOATS + help + X/Open System Interfaces extensions to ISO C math functions + (differential equation functions): + + j0, j1, jn - Bessel functions of the first kind + y0, y1, yn - Bessel functions of the second kind + +config KEMBTK_UCLIBC_UCLIBC_HAS_FENV + bool + default n + depends on KEMBTK_UCLIBC_UCLIBC_HAS_FLOATS + help + If you want the uClibc math library to contain the C99 floating + point environment, rounding and exception handling functions then + say Y here. + + NOTE: Supported architectures currently include: + i386 + +config KEMBTK_UCLIBC_UCLIBC_HAS_LONG_DOUBLE_MATH + bool "Enable long double support" + depends on KEMBTK_UCLIBC_DO_C99_MATH + depends on KEMBTK_UCLIBC_TARGET_i386 || KEMBTK_UCLIBC_TARGET_m68k || KEMBTK_UCLIBC_TARGET_sparc || KEMBTK_UCLIBC_TARGET_x86_64 || KEMBTK_UCLIBC_TARGET_powerpc || KEMBTK_UCLIBC_TARGET_sh + default y + help + If you want the uClibc math library to contain the full set of C99 + long double math library features, then answer Y. Don't enable it + for sparc w/ 32bit ABI. + +config KEMBTK_UCLIBC_KERNEL_HEADERS + string + default "/usr/include" + help + The kernel source you use to compile with should be the same + as the Linux kernel you run your apps on. uClibc doesn't even + try to achieve binary compatibility across kernel versions. + So don't expect, for example, uClibc compiled with Linux kernel + 2.0.x to implement lchown properly, since 2.0.x can't do that. + Similarly, if you compile uClibc vs Linux 2.4.x kernel headers, + but then run on Linux 2.0.x, lchown will be compiled into uClibc, + but won't work at all. You have been warned. + +config KEMBTK_UCLIBC_UCLIBC_UCLINUX_BROKEN_MUNMAP + bool + depends on !KEMBTK_UCLIBC_ARCH_USE_MMU + default y + +config KEMBTK_UCLIBC_HAVE_DOT_CONFIG + bool + default y -- cgit v1.2.3