diff options
Diffstat (limited to 'extra/Configs/Config.in.arch')
| -rw-r--r-- | extra/Configs/Config.in.arch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/extra/Configs/Config.in.arch b/extra/Configs/Config.in.arch new file mode 100644 index 000000000..ef38ec36e --- /dev/null +++ b/extra/Configs/Config.in.arch @@ -0,0 +1,95 @@ +# +# For a description of the syntax of this configuration file, +# see Documentation/kbuild/config-language.txt. +# + +config UCLIBC_HAS_MMU + bool "Target CPU has a memory management unit (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 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 HAS_FPU + bool "Target CPU has a floating point unit (FPU)" + depends on UCLIBC_HAS_FLOATS + 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 DO_C99_MATH + bool "Enable full C99 math library support" + depends on UCLIBC_HAS_FLOATS + default n + 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 traditionla 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 WARNINGS + string "Compiler Warnings" + default "-Wall" + help + Set this to the set of gcc warnings you wish to see while compiling. + +config KERNEL_SOURCE + string "Linux kernel header location" + default "/usr/src/linux" + 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 C_SYMBOL_PREFIX + string + default "" + +config UCLIBC_UCLINUX_BROKEN_MUNMAP + bool + depends on !UCLIBC_HAS_MMU + default y + +config HAVE_ELF + bool + default y + +config NO_UNDERSCORES + bool + default n + +config HAVE_DOT_HIDDEN + bool + default n + |