summaryrefslogtreecommitdiffstats
path: root/toolchain/toolchain-common.in
diff options
context:
space:
mode:
Diffstat (limited to 'toolchain/toolchain-common.in')
-rw-r--r--toolchain/toolchain-common.in172
1 files changed, 172 insertions, 0 deletions
diff --git a/toolchain/toolchain-common.in b/toolchain/toolchain-common.in
new file mode 100644
index 000000000..bea0c7c43
--- /dev/null
+++ b/toolchain/toolchain-common.in
@@ -0,0 +1,172 @@
+# Generic toolchain options
+
+# we want gdb config in the middle of both source and external
+# toolchains, but mconf won't let us source the same file twice,
+# so put it here instead
+source "toolchain/gdb/Config.in"
+
+comment "Common Toolchain Options"
+
+config BR2_LARGEFILE
+ bool "Enable large file (files > 2 GB) support?"
+ depends on !BR2_cris
+ help
+ If you are building your own toolchain and you want to
+ support files larger than 2GB then enable this option.
+ If you have an external binary toolchain that has been
+ built with large file support (files > 2GB) then enable
+ this option.
+
+config BR2_INET_IPV6
+ bool "Enable IPv6"
+ help
+ If you are building your own toolchain and you want to
+ enable IPV6 support then enable this option.
+ If you have an external binary toolchain that has been
+ built with IPV6 support then enable this option.
+
+config BR2_INET_RPC
+ bool "Enable RPC"
+ help
+ Enable RPC. RPC support is needed for nfs.
+ If you are building your own toolchain and you want to
+ enable RPC support then enable this option.
+ If you have an external binary toolchain that has been
+ built with RPC support then enable this option.
+
+config BR2_ENABLE_LOCALE
+ bool "Enable toolchain locale/i18n support?"
+ select BR2_USE_WCHAR
+ help
+ If you are building your own toolchain and you want to
+ enable locale/i18n support then enable this option.
+ If you have an external binary toolchain that has been
+ built with locale/i18n support then enable this option.
+
+config BR2_ENABLE_LOCALE_PURGE
+ bool "Purge unwanted locales"
+ help
+ Explicitly specify what locales to install on target. If N
+ then all locales supported by packages are installed.
+
+config BR2_ENABLE_LOCALE_WHITELIST
+ string "Locales to keep"
+ default "C en_US de fr"
+ depends on BR2_ENABLE_LOCALE_PURGE
+ help
+ Whitespace seperated list of locales to allow on target.
+ Locales not listed here will be removed from the target.
+ See 'locale -a' on your host for a list of locales available
+ on your build host, or have a look in /usr/share/locale in
+ the target file system for available locales.
+
+ Notice that listing a locale here doesn't guarantee that it
+ will be available on the target - That purely depends on the
+ support for that locale in the selected packages.
+
+# glibc and eglibc directly include gettext, so a separatly compiled
+# gettext isn't needed and shouldn't be built to avoid conflicts. Some
+# packages always need gettext, other packages only need gettext when
+# locale support is enabled. See the documentation for how packages
+# should rely on the following two options.
+
+config BR2_NEEDS_GETTEXT
+ bool
+ default y if BR2_TOOLCHAIN_BUILDROOT
+ default y if BR2_TOOLCHAIN_EXTERNAL_UCLIBC
+
+config BR2_NEEDS_GETTEXT_IF_LOCALE
+ bool
+ default y if (BR2_NEEDS_GETTEXT && BR2_ENABLE_LOCALE)
+
+config BR2_USE_WCHAR
+ bool "Enable WCHAR support"
+ help
+ If you are building your own toolchain and you want to
+ enable WCHAR support then enable this option.
+ If you have an external binary toolchain that has been built
+ with WCHAR support then enable this option.
+
+config BR2_PREFER_SOFT_FLOAT
+ bool
+ default y if BR2_arm || BR2_armeb || BR2_avr32 || BR2_mips || BR2_mipsel
+
+config BR2_SOFT_FLOAT
+ bool "Use software floating point by default"
+ depends on BR2_arm || BR2_armeb || BR2_avr32 || BR2_mips || BR2_mipsel || BR2_powerpc
+ default $(BR2_PREFER_SOFT_FLOAT)
+ 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).
+
+config BR2_USE_SSP
+ bool "Enable stack protection support"
+ help
+ Enable stack smashing protection support using GCCs
+ -fstack-protector[-all] option.
+
+ See http://www.linuxfromscratch.org/hints/downloads/files/ssp.txt
+ for details.
+
+choice
+ prompt "Thread library implementation"
+ default BR2_PTHREADS_OLD
+ help
+ If you are building your own toolchain then select the type of
+ libpthreads you want to use.
+ Not all thread variants work with all versions of uClibc,
+ the "linuxthreads (stable/old)" may be a working fallback
+ if you need threading at all.
+ If you have an external binary toolchain then select the type
+ of libpthreads it was built with.
+
+ config BR2_PTHREADS_NONE
+ bool "none"
+
+ config BR2_PTHREADS
+ bool "linuxthreads"
+
+ config BR2_PTHREADS_OLD
+ bool "linuxthreads (stable/old)"
+
+ config BR2_PTHREADS_NATIVE
+ bool "Native POSIX Threading (NPTL)"
+ depends on BR2_UCLIBC_VERSION_SNAPSHOT
+endchoice
+
+config BR2_PROGRAM_INVOCATION
+ bool "Enable 'program invocation name'"
+ help
+ Support for the GNU-specific program_invocation_name and
+ program_invocation_short_name strings. Some GNU packages
+ (like tar and coreutils) utilize these for extra useful
+ output, but in general are not required.
+ If you have an external binary toolchain that has been built
+ with program invocation support then enable this option.
+
+config BR2_GCC_CROSS_CXX
+ bool
+ help
+ If you are building your own toolchain and want to build
+ a C++ cross-compiler this needs to be enabled.
+ If you have an external binary toolchain that has a C++ compiler
+ and you want to use it then you need to enable this option.
+
+config BR2_INSTALL_LIBSTDCPP
+ bool "Build/install c++ compiler and libstdc++?"
+ select BR2_GCC_CROSS_CXX
+ help
+ If you are building your own toolchain and want to build and install
+ the C++ compiler and library then you need to enable this option.
+ If you have an external toolchain that has been built with C++
+ support and you want to use the compiler / library then you need
+ to select this option.
+
+config BR2_TARGET_OPTIMIZATION
+ string "Target Optimizations"
+ default "-pipe"
+ help
+ Optimizations to use when building for the target host.
+ NOTE: gcc optimization level is defined in build options.