diff options
author | 2017-07-13 07:38:03 (GMT) | |
---|---|---|
committer | 2017-07-13 07:38:03 (GMT) | |
commit | 45c5bb0f484cba724be2c6105801dcce9a1a82d9 (patch) | |
tree | 8fd1c8eaa2ef203009d72b6ca6348611dcc5ee1c /config/libc | |
parent | 8f8e131d566af1f577d8fb6e62e6f121b7955472 (diff) | |
parent | b32fcf7c1eea890a2bd3f88487f818ba241aabb1 (diff) |
Merge pull request #767 from stilor/packages
Packages
Diffstat (limited to 'config/libc')
-rw-r--r-- | config/libc/avr-libc.in | 67 | ||||
-rw-r--r-- | config/libc/avr-libc.in.2 | 8 | ||||
-rw-r--r-- | config/libc/bionic.in | 94 | ||||
-rw-r--r-- | config/libc/glibc.in | 409 | ||||
-rw-r--r-- | config/libc/glibc.in.2 | 245 | ||||
-rw-r--r-- | config/libc/mingw-w64.in | 39 | ||||
-rw-r--r-- | config/libc/mingw.in | 159 | ||||
-rw-r--r-- | config/libc/musl.in | 83 | ||||
-rw-r--r-- | config/libc/musl.in.2 | 51 | ||||
-rw-r--r-- | config/libc/newlib.in | 305 | ||||
-rw-r--r-- | config/libc/newlib.in.2 | 176 | ||||
-rw-r--r-- | config/libc/uClibc.in | 239 | ||||
-rw-r--r-- | config/libc/uClibc.in.2 | 110 |
13 files changed, 584 insertions, 1401 deletions
diff --git a/config/libc/avr-libc.in b/config/libc/avr-libc.in index 2b8d891..836fed8 100644 --- a/config/libc/avr-libc.in +++ b/config/libc/avr-libc.in @@ -1,6 +1,6 @@ # avr-libc options -## depends on ARCH_avr +## depends on ARCH_AVR ## depends on ! LINUX && ! WINDOWS && BARE_METAL ## ## select LIBC_SUPPORT_THREADS_NONE @@ -9,66 +9,11 @@ ## help Atmel AVR 8-bit RISC microcontrollers. In addition, the library ## help provides the basic startup code needed by most applications. -config LIBC_AVR_LIBC_CUSTOM - bool - prompt "Custom avr-libc" - depends on EXPERIMENTAL - help - The choosen avr-libc version shall be not downloaded. Instead use - a custom location to get the source. - -if LIBC_AVR_LIBC_CUSTOM +source "config/versions/avr-libc.in" -config LIBC_AVR_LIBC_CUSTOM_LOCATION +config LIBC_AVR_LIBC_EXTRA_CONFIG_ARRAY string - prompt "Full path to custom avr-libc source" + prompt "Extra config for avr-libc" + default "" help - Enter the path to the directory or tarball of your source for avr-libc. - - If the path is a tarball, it should extract to: <name>-<version>/ - where the name is this component, avr-libc, and the version is set - below in the custom version string. - -config LIBC_AVR_LIBC_CUSTOM_VERSION - string - prompt "Custom AVR-Libc version" - help - Enter the version number for your custom avr-libc. - -config LIBC_VERSION - string - default LIBC_AVR_LIBC_CUSTOM_VERSION - -endif # LIBC_AVR_LIBC_CUSTOM - -if ! LIBC_AVR_LIBC_CUSTOM - -choice - bool - prompt "avr-libc version" -# Don't remove next line -# CT_INSERT_VERSION_BELOW - -config LIBC_AVR_LIBC_V_2_0_0 - bool - prompt "2.0.0" - -config LIBC_AVR_LIBC_V_1_8_1 - bool - prompt "1.8.1" - -config LIBC_AVR_LIBC_V_1_8_0 - bool - prompt "1.8.0" - -endchoice - -config LIBC_VERSION - string -# Don't remove next line -# CT_INSERT_VERSION_STRING_BELOW - default "2.0.0" if LIBC_AVR_LIBC_V_2_0_0 - default "1.8.1" if LIBC_AVR_LIBC_V_1_8_1 - default "1.8.0" if LIBC_AVR_LIBC_V_1_8_0 - -endif # ! LIBC_AVR_LIBC_CUSTOM + Extra flags to pass onto ./configure when configuring the avr-libc. diff --git a/config/libc/avr-libc.in.2 b/config/libc/avr-libc.in.2 deleted file mode 100644 index 89a182f..0000000 --- a/config/libc/avr-libc.in.2 +++ /dev/null @@ -1,8 +0,0 @@ -# avr-libc second-part options - -config LIBC_AVR_LIBC_EXTRA_CONFIG_ARRAY - string - prompt "Extra config for avr-libc" - default "" - help - Extra flags to pass onto ./configure when configuring the avr-libc. diff --git a/config/libc/bionic.in b/config/libc/bionic.in index 9e04130..eafc482 100644 --- a/config/libc/bionic.in +++ b/config/libc/bionic.in @@ -1,9 +1,9 @@ # bionic options ## depends on ! WINDOWS && ! BARE_METAL -## depends on ARCH_arm || ARCH_mips || ARCH_x86 +## depends on ARCH_ARM || ARCH_MIPS || ARCH_X86 ## depends on EXPERIMENTAL -## depends on CC_GCC_6_or_later +## depends on GCC_6_or_later ## ## select LIBC_SUPPORT_THREADS_POSIX ## @@ -11,98 +11,17 @@ ## help This platform has no TLS (Thread Local Storage) support so that option must be ## help disabled in the Compiler options. +source "config/versions/android-ndk.in" + config THREADS default "posix" -config LIBC_BIONIC_CUSTOM - bool - prompt "Custom bionic" - help - The chosen bionic-libc version shall be not downloaded. Instead use - a custom location to get the source. - -if LIBC_BIONIC_CUSTOM - -config LIBC_BIONIC_CUSTOM_LOCATION - string - prompt "Full path to custom bionic source" - help - Enter the path to the directory or tarball of your source for bionic. - - If the path is a zip archive, it should extract to: <name>-<version>/ - where the name is android-ndk, and the version is set - below in the custom version string. - -config LIBC_BIONIC_CUSTOM_VERSION - string - prompt "Custom BIONIC version" - help - Enter the version number for your custom bionic. - -config LIBC_VERSION - string - default LIBC_BIONIC_CUSTOM_VERSION - -endif # LIBC_BIONIC_CUSTOM - -if ! LIBC_BIONIC_CUSTOM - -choice - bool - prompt "bionic version" -# Don't remove next line -# CT_INSERT_VERSION_BELOW - -config LIBC_BIONIC_V_15beta1 - bool - prompt "15beta1" - -config LIBC_BIONIC_V_14b - bool - prompt "14b" - -config LIBC_BIONIC_V_13b - bool - prompt "13b (OBSOLETE)" - depends on OBSOLETE - -config LIBC_BIONIC_V_12b - bool - prompt "12b (OBSOLETE)" - depends on OBSOLETE - -config LIBC_BIONIC_V_11c - bool - prompt "11c (OBSOLETE)" - depends on OBSOLETE - -config LIBC_BIONIC_V_10e - bool - prompt "10e (OBSOLETE)" - depends on OBSOLETE - -endchoice - -config LIBC_VERSION - string -# Don't remove next line -# CT_INSERT_VERSION_STRING_BELOW - default "r15-beta1" if LIBC_BIONIC_V_15beta1 - default "r14b" if LIBC_BIONIC_V_14b - default "r13b" if LIBC_BIONIC_V_13b - default "r12b" if LIBC_BIONIC_V_12b - default "r11c" if LIBC_BIONIC_V_11c - default "r10e" if LIBC_BIONIC_V_10e - -endif # ! LIBC_BIONIC_CUSTOM - +# FIXME does API level depend on the bionic version? generate that, too? choice bool prompt "Android API level" help The minimum for 64 bit support is 21. -# Don't remove next line -# CT_INSERT_VERSION_BELOW config ANDROID_API_24 bool @@ -169,8 +88,6 @@ endchoice config ANDROID_API string -# Don't remove next line -# CT_INSERT_VERSION_STRING_BELOW default "24" if ANDROID_API_24 default "23" if ANDROID_API_23 default "22" if ANDROID_API_22 @@ -184,4 +101,3 @@ config ANDROID_API default "13" if ANDROID_API_13 default "12" if ANDROID_API_12 default "9" if ANDROID_API_9 - diff --git a/config/libc/glibc.in b/config/libc/glibc.in index 9e4ff56..363ab34 100644 --- a/config/libc/glibc.in +++ b/config/libc/glibc.in @@ -1,222 +1,289 @@ -# glibc options +# This file contains the common configuration options +# that apply to both glibc. ## depends on ! WINDOWS && ! BARE_METAL && ARCH_USE_MMU -## ## select LIBC_SUPPORT_THREADS_NATIVE ## select CC_CORE_PASSES_NEEDED +# TBD: select GETTEXT for build only, not for host ## select GETTEXT_NEEDED -## +## select BINUTILS_FORCE_LD_BFD_DEFAULT + ## help The de-facto standard for Linux distributions. ## help Feature-rich, but large... Most useful for desktop-like systems. +# GLIBC and kernel are special when it comes to obsoletion. Users +# of crosstool-ng depend on the ability to build new toolchains matching +# the kernel/libc versions of a particular target system, and LTS releases +# are still using quite ancient versions. Please do not retire versions +# (including versions in between) until the EOL dates indicated in version.desc. +source "config/versions/glibc.in" +if GLIBC_USE_PORTS_EXTERNAL +source "config/versions/glibc-ports.in" +endif + config THREADS default "nptl" -config LIBC_GLIBC_CUSTOM - bool - prompt "Custom glibc" - depends on EXPERIMENTAL - select LIBC_CUSTOM - select LIBC_GLIBC_2_20_or_later +# Known add-ons and when they exist(ed) +# crypt external in 2.1, no longer an add-on since 2.2 +# libidn external in 2.3.4 .. 2.10, still an add-on +# linuxthreads external in 2.0.1 .. 2.5, no longer available since 2.6 [*] +# localedata external in 2.0.1 .. 2.0.6, no longer an add-on since 2.1 [*] +# ports external in 2.3.4 .. 2.16, no longer an add-on since 2.20 +# nptl never external, no longer an add-on since 2.20 +# +# Given the list of currently supported glibc releases, we only need to worry about +# 'libidn', 'ports' and 'nptl' add-ons. Of these, only 'ports' can be an external +# tarball; and only 'libidn' is user-selectable ('ports' & 'nptl' are selected +# by crosstool-NG, as dictated by the architecture and thread model). +# +# I had trouble locating the sources in the repository for some of the released +# versions. E.g., there is a 2.5 version of linuxthreads, but the tag for 2.5 in Git +# does not have the linuxthreads directory at all. Similarly, 2.0.6 tag did not have +# localedata. Since these releases are no longer supported by crosstool-NG, this is +# of pure historical interest now, however. + +config GLIBC_HAS_NPTL_ADDON + def_bool y + depends on !GLIBC_2_20_or_later + +config GLIBC_HAS_PORTS_ADDON + def_bool y + depends on !GLIBC_2_20_or_later + +config GLIBC_HAS_PORTS_ADDON_EXTERNAL + def_bool y + depends on !GLIBC_2_17_or_later + +# In case it folds into main distribution in some future release, too +config GLIBC_HAS_LIBIDN_ADDON + def_bool y + +# Some architectures require the ports addon. List them one by one here: +# This list must be carefully in sync with the architectures names +# we can find in config/arch/* +config GLIBC_USE_PORTS_ADDON + def_bool y + depends on ARCH_ALPHA || ARCH_ARM || ARCH_M68K || ARCH_MIPS || ARCH_POWERPC + depends on GLIBC_HAS_PORTS_ADDON + +config GLIBC_USE_PORTS_EXTERNAL + def_bool y + depends on GLIBC_USE_PORTS_ADDON && GLIBC_HAS_PORTS_ADDON_EXTERNAL + +config GLIBC_USE_NPTL_ADDON + def_bool y + depends on THREADS_NATIVE && GLIBC_HAS_NPTL_ADDON + +config GLIBC_USE_LIBIDN_ADDON + bool "Build libidn add-on" help - The choosen glibc version shall be not downloaded. Instead use - a custom location to get the source. + Enables the libidn add-on in GNU libc. -if LIBC_GLIBC_CUSTOM +# SPARCv8 support retired in 2.23 +config GLIBC_NO_SPARC_V8 + def_bool y + depends on GLIBC_2_23_or_later -config LIBC_GLIBC_CUSTOM_LOCATION +config GLIBC_EXTRA_CONFIG_ARRAY string - prompt "Full path to custom glibc source" + prompt "extra config" + default "" help - Enter the path to the directory or tarball of your source for glibc. + Extra flags to pass onto ./configure when configuring. - If the path is a tarball, it should extract to: <name>-<version>/ - where the name is this component, glibc, and the version is set - below in the custom version string. + You can enter multiple arguments here, and arguments can contain spaces + if they are properly quoted (or escaped, but prefer quotes). Eg.: + --with-foo="1st arg with 4 spaces" --with-bar=2nd-arg-without-space -config LIBC_GLIBC_CUSTOM_VERSION +config GLIBC_CONFIGPARMS string - prompt "Custom GLIBC version" + prompt "Extra config params (READ HELP)" + default "" if ! ARCH_SH + default "no-z-defs=yes" if ARCH_SH help - Enter the version number for your custom glibc. + Some architectures need to set options in the file configparms. + This is the case for sh3/4, which really need to set configparms + to "no-z-defs=yes" as of gcc-3.4/glibc-2.3.2. + + Unless you are building a toolchain for sh3/4, you should leave that empty. + + Note: If you need to pass more than one value, separate them with + '\n'. Eg.: var1=val1\nvar2=val2 -config LIBC_VERSION +config GLIBC_EXTRA_CFLAGS string - default LIBC_GLIBC_CUSTOM_VERSION - -endif # LIBC_GLIBC_CUSTOM - -if ! LIBC_GLIBC_CUSTOM + prompt "extra target CFLAGS" + default "" + help + Extra target CFLAGS to use when building. -config CC_GLIBC_SHOW_LINARO +config GLIBC_ENABLE_FORTIFIED_BUILD bool - prompt "Show Linaro versions" + prompt "Enable fortified build (EXPERIMENTAL)" + depends on EXPERIMENTAL help - Linaro is maintaining some advanced/more stable/experimental versions - of glibc, especially for the ARM architecture. - - Those versions have not been blessed by the glibc comunity (nor have they - been cursed either!), but they look to be pretty much stable, and even - more stable than the upstream versions. YMMV... + If you say 'y' here, then glibc will be using fortified versions + of functions with format arguments (eg. vsyslog, printf...), and + do a sanity check on the format at runtime, to avoid some of the + common format string attacks. - If you do not know what this Linaro stuff is, then simply say 'n' here, - and rest in peace. OTOH, if you know what you are doing, you will be - able to use and enjoy :-) the Linaro versions by saying 'y' here. + This is currently not supported, and will most probably result in + a broken build, with an error message like: + ../misc/syslog.c: In function '__vsyslog_chk': + ../misc/syslog.c:123: sorry, unimplemented: inlining failed in + call to 'syslog': function body not available - Linaro: http://www.linaro.org/ + If you are brave enough and want to debug the issue, then say 'y' + here. Otherwise, be still and say 'n' (the default). ;-) -# GLIBC and kernel are special when it comes to obsoletion. Users -# of crosstool-ng depend on the ability to build new toolchains matching -# the kernel/libc versions of a particular target system, and LTS releases -# are still using quite ancient versions. Please do not retire versions -# (including versions in between) until the EOL dates indicated below. -choice - bool - prompt "glibc version" -# Don't remove next line -# CT_INSERT_VERSION_BELOW - -config LIBC_GLIBC_V_2_25 - bool - prompt "2.25" - select LIBC_GLIBC_2_23_or_later - -config LIBC_GLIBC_V_2_24 - bool - prompt "2.24" - select LIBC_GLIBC_2_23_or_later - -# EOL 04/2021 [Ubuntu16.04] -config LIBC_GLIBC_V_2_23 - bool - prompt "2.23" - select LIBC_GLIBC_2_23_or_later -config LIBC_GLIBC_V_2_22 +config GLIBC_DISABLE_VERSIONING bool - prompt "2.22 (OBSOLETE)" - select LIBC_GLIBC_2_20_or_later - depends on OBSOLETE + prompt "Disable symbols versioning" + help + Do not include versioning information in the library objects. -config LIBC_GLIBC_V_2_21 - bool - prompt "2.21 (OBSOLETE)" - select LIBC_GLIBC_2_20_or_later - depends on OBSOLETE +config GLIBC_OLDEST_ABI + string + prompt "Oldest supported ABI" + default "" + help + Set the oldest ABI supported by the C library. + + Setting this option, for example, to 2.2 will provide ABI support + back to (e)glibc-2.2. -config LIBC_GLIBC_LINARO_V_2_20 - bool - prompt "Linaro 2.20-2014.11 (OBSOLETE)" - select LIBC_GLIBC_2_20_or_later - depends on CC_GLIBC_SHOW_LINARO - depends on OBSOLETE + If this option is not set, (e)glibc will choose for you. -config LIBC_GLIBC_V_2_20 +config GLIBC_FORCE_UNWIND bool - prompt "2.20 (OBSOLETE)" - select LIBC_GLIBC_2_20_or_later - depends on OBSOLETE + prompt "Force unwind support (READ HELP!)" + default y + help + If your toolchain fails building while building the C library + start files, or the complete C library, with a message like: + configure: error: forced unwind support is required + + then you may try changing this option. Otherwise, leave it to + the default 'y'. + + The issue seems to be related to building NPTL on old versions + of glibc on some architectures + (seen on s390, s390x and x86_64). -# EOL 04/2019 [Ubuntu14.04] -config LIBC_GLIBC_V_2_19 +config GLIBC_LOCALES bool - prompt "2.19 (OBSOLETE)" - depends on OBSOLETE - select LIBC_GLIBC_2_17_or_later - -config LIBC_GLIBC_V_2_18 + prompt "Build and install locales" + help + Whether to build and install the libc locale files for the target, + which is required in order to support internationalization. + +if LIBC_GLIBC && GLIBC_LOCALES +comment "WARNING! " +comment "| The built locales will be usable if and only if the build " +comment "| machine and the target: " +comment "| - have the same endianness, " +comment "| - and have the same alignment requirements for uint32_t. " +comment "| You will have to check by yourself (for now). " +comment "WARNING! " +comment "| Building GLIBC locales requires that GLIBC supports " +comment "| the build machine as the target. " +endif # LIBC_GLIBC && GLIBC_LOCALES + +if KERNEL_LINUX + +choice GLIBC_SUPPORTED_KERNEL bool - prompt "2.18 (OBSOLETE)" - depends on OBSOLETE - select LIBC_GLIBC_2_17_or_later + prompt "Minimum supported kernel version" + default GLIBC_KERNEL_VERSION_AS_HEADERS -# EOL 06/2024 [CentOS7.x] -config LIBC_GLIBC_V_2_17 +config GLIBC_KERNEL_VERSION_NONE bool - prompt "2.17 (OBSOLETE)" - depends on OBSOLETE - select LIBC_GLIBC_2_17_or_later - -config LIBC_GLIBC_V_2_16_0 + prompt "Let ./configure decide" + help + Let ./configure decide what minimum kernel version glibc will be + able to run against. + + This will include legacy compatibility code for older kernels in + the C library, thus ensuring that it will run on a large number + of old kernels. + + The minimum kernel version supported will be dependent upon the + target you build for. For example: + alpha*-*-linux-gnu Requires Linux 2.6.9 for NPTL + sh[34]-*-linux-gnu Requires Linux 2.6.11 + powerpc* Requires Linux 2.4.19 + arm*-*-linux-*gnueabi Requires Linux 2.6.16 + +config GLIBC_KERNEL_VERSION_AS_HEADERS bool - prompt "2.16.0 (OBSOLETE)" - depends on OBSOLETE + prompt "Same as kernel headers (default)" + help + Normally, you'll want glibc to run against the same kernel + version as the one used for the headers. + + This is the default. + + If enabled, crosstool-ng will use the chosen version of kernel + headers for the glibc minimum kernel version supported, which is + what gets passed to "--enable-kernel=" when configuring glibc. + + Enabling this will ensure that no legacy compatibility code for + older kernels is built into your C libraries, but it will + be unable to run on kernel versions older than whichever kernel + headers version you've built the toolchain for. + + If you know for sure that your toolchain will never need to build + applications that will run under a kernel version older than your + chosen kernel headers version (CT_KERNEL_VERSION), you can choose + "y" here. -# EOL 04/2017 [Ubuntu12.04] -config LIBC_GLIBC_V_2_15 +config GLIBC_KERNEL_VERSION_CHOSEN bool - prompt "2.15 (OBSOLETE)" - depends on OBSOLETE + prompt "Specific kernel version" + help + Specify the earliest Linux kernel version you want glibc to + include support for. This does not have to match the kernel + headers version used for your toolchain. This controls what is + passed to the "--enable-kernel=" option to the glibc configure + script. -config LIBC_GLIBC_V_2_14_1 - bool - prompt "2.14.1 (OBSOLETE)" - depends on OBSOLETE + If you want to be able to statically link programs with your + toolchain's C library, make sure this kernel version is lower than + all kernels you wish to support to avoid "FATAL: kernel too old" + errors. The higher the version you specify, the less legacy code + will be built into libc. -config LIBC_GLIBC_V_2_14 - bool - prompt "2.14 (OBSOLETE)" - depends on OBSOLETE + Most people can leave this at the default value of "2.6.9". -config LIBC_GLIBC_V_2_13 - bool - prompt "2.13 (OBSOLETE)" - depends on OBSOLETE +if GLIBC_KERNEL_VERSION_CHOSEN -# This version did not have glibc-ports addon released -config LIBC_GLIBC_V_2_12_2 - bool - prompt "2.12.2 (OBSOLETE)" - depends on OBSOLETE - depends on !LIBC_GLIBC_NEEDS_PORTS +config GLIBC_MIN_KERNEL_VERSION + string + prompt "Minimum kernel version to support" + default "2.6.9" + help + Enter here the lowest kernel version glibc will be able to run against. + + The minimum kernel version supported will be dependent upon the + target you build for. For example: + alpha*-*-linux-gnu Requires Linux 2.6.9 for NPTL + sh[34]-*-linux-gnu Requires Linux 2.6.11 + powerpc* Requires Linux 2.4.19 + arm*-*-linux-*gnueabi Requires Linux 2.6.16 + + Note that no sanity check is performed by crosstool-NG to ensure + that the value you enter here is appropriate for your target. -# EOL 11/2020 [CentOS6.x] -config LIBC_GLIBC_V_2_12_1 - bool - prompt "2.12.1 (OBSOLETE)" - depends on OBSOLETE +endif # GLIBC_KERNEL_VERSION_CHOSEN endchoice -endif # ! LIBC_GLIBC_CUSTOM - -# Checked by SPARC build: SPARCv8 is dropped in 2.23. -config LIBC_GLIBC_2_23_or_later - select LIBC_GLIBC_2_20_or_later - bool - -# DeMark 2.20 as no longer needs to set NPTL as an addon. -# It is no longer possible to build glibc without pthread! -config LIBC_GLIBC_2_20_or_later - bool - select LIBC_GLIBC_2_17_or_later - -# DeMark no more ports -config LIBC_GLIBC_2_17_or_later - bool - -if ! LIBC_GLIBC_CUSTOM - -config LIBC_VERSION +config GLIBC_MIN_KERNEL string -# Don't remove next line -# CT_INSERT_VERSION_STRING_BELOW - default "2.25" if LIBC_GLIBC_V_2_25 - default "2.24" if LIBC_GLIBC_V_2_24 - default "2.23" if LIBC_GLIBC_V_2_23 - default "2.22" if LIBC_GLIBC_V_2_22 - default "2.21" if LIBC_GLIBC_V_2_21 - default "linaro-2.20-2014.11" if LIBC_GLIBC_LINARO_V_2_20 - default "2.20" if LIBC_GLIBC_V_2_20 - default "2.19" if LIBC_GLIBC_V_2_19 - default "2.18" if LIBC_GLIBC_V_2_18 - default "2.17" if LIBC_GLIBC_V_2_17 - default "2.16.0" if LIBC_GLIBC_V_2_16_0 - default "2.15" if LIBC_GLIBC_V_2_15 - default "2.14.1" if LIBC_GLIBC_V_2_14_1 - default "2.14" if LIBC_GLIBC_V_2_14 - default "2.13" if LIBC_GLIBC_V_2_13 - default "2.12.2" if LIBC_GLIBC_V_2_12_2 - default "2.12.1" if LIBC_GLIBC_V_2_12_1 - -endif # ! LIBC_GLIBC_CUSTOM + default "" if GLIBC_KERNEL_VERSION_NONE + default LINUX_VERSION if GLIBC_KERNEL_VERSION_AS_HEADERS + default GLIBC_MIN_KERNEL_VERSION if GLIBC_KERNEL_VERSION_CHOSEN + +endif # KERNEL_LINUX diff --git a/config/libc/glibc.in.2 b/config/libc/glibc.in.2 deleted file mode 100644 index 93b7b59..0000000 --- a/config/libc/glibc.in.2 +++ /dev/null @@ -1,245 +0,0 @@ -# This file contains the common configuration options -# that apply to both glibc. - -# Some architectures require the ports addon. List them one by one here: -# This list must be carefully in sync with the architectures names -# we can find in config/arch/* - -# Ports were integrated into the main tarball in 2.17 -config LIBC_GLIBC_PORTS_EXTERNAL - def_bool y - depends on !LIBC_GLIBC_2_17_or_later - -config LIBC_GLIBC_NEEDS_PORTS - def_bool y - depends on ARCH_alpha || ARCH_arm || ARCH_m68k || ARCH_mips || ARCH_powerpc - -# Ports are no longer an add-on starting with 2.20 -config LIBC_GLIBC_USE_PORTS - def_bool y - depends on LIBC_GLIBC_NEEDS_PORTS && !LIBC_GLIBC_2_20_or_later - -# Force using the BFD linker during the toolchain build -config LIBC_glibc_family - bool - default y - select BINUTILS_FORCE_LD_BFD_DEFAULT - -config LIBC_GLIBC_EXTRA_CONFIG_ARRAY - string - prompt "extra config" - default "" - help - Extra flags to pass onto ./configure when configuring. - - You can enter multiple arguments here, and arguments can contain spaces - if they are properly quoted (or escaped, but prefer quotes). Eg.: - --with-foo="1st arg with 4 spaces" --with-bar=2nd-arg-without-space - -config LIBC_GLIBC_CONFIGPARMS - string - prompt "Extra config params (READ HELP)" - default "" if ! ARCH_sh - default "no-z-defs=yes" if ARCH_sh - help - Some architectures need to set options in the file configparms. - This is the case for sh3/4, which really need to set configparms - to "no-z-defs=yes" as of gcc-3.4/glibc-2.3.2. - - Unless you are building a toolchain for sh3/4, you should leave that empty. - - Note: If you need to pass more than one value, separate them with - '\n'. Eg.: var1=val1\nvar2=val2 - -config LIBC_GLIBC_EXTRA_CFLAGS - string - prompt "extra target CFLAGS" - default "" - help - Extra target CFLAGS to use when building. - -config LIBC_ENABLE_FORTIFIED_BUILD - bool - prompt "Enable fortified build (EXPERIMENTAL)" - depends on EXPERIMENTAL - help - If you say 'y' here, then glibc will be using fortified versions - of functions with format arguments (eg. vsyslog, printf...), and - do a sanity check on the format at runtime, to avoid some of the - common format string attacks. - - This is currently not supported, and will most probably result in - a broken build, with an error message like: - ../misc/syslog.c: In function '__vsyslog_chk': - ../misc/syslog.c:123: sorry, unimplemented: inlining failed in - call to 'syslog': function body not available - - If you are brave enough and want to debug the issue, then say 'y' - here. Otherwise, be still and say 'n' (the default). ;-) - - -config LIBC_DISABLE_VERSIONING - bool - prompt "Disable symbols versioning" - help - Do not include versioning information in the library objects. - -config LIBC_OLDEST_ABI - string - prompt "Oldest supported ABI" - default "" - help - Set the oldest ABI supported by the C library. - - Setting this option, for example, to 2.2 will provide ABI support - back to (e)glibc-2.2. - - If this option is not set, (e)glibc will choose for you. - -config LIBC_GLIBC_FORCE_UNWIND - bool - prompt "Force unwind support (READ HELP!)" - default y - help - If your toolchain fails building while building the C library - start files, or the complete C library, with a message like: - configure: error: forced unwind support is required - - then you may try changing this option. Otherwise, leave it to - the default 'y'. - - The issue seems to be related to building NPTL on old versions - of glibc on some architectures - (seen on s390, s390x and x86_64). - -config LIBC_ADDONS_LIST - string - prompt "Extra addons" - default "" - help - Extra addons to include. Space separated list. - - You need to specify neither linuxthreads nor nptl, as they are added - automagically for you depending on the threading model you chose - earlier and on libc version selected. - - Also, do not specify ports even if applicable to the selected libc - version/architecture; it is selected automatically. - - Eg.: libidn - -config LIBC_LOCALES - bool - prompt "Build and install locales" - help - Whether to build and install the libc locale files for the target, - which is required in order to support internationalization. - -if LIBC_glibc && LIBC_LOCALES -comment "WARNING! " -comment "| The built locales will be usable if and only if the build " -comment "| machine and the target: " -comment "| - have the same endianness, " -comment "| - and have the same alignment requirements for uint32_t. " -comment "| You will have to check by yourself (for now). " -comment "WARNING! " -comment "| Building GLIBC locales requires that GLIBC supports " -comment "| the build machine as the target. " -endif # LIBC_glibc && LIBC_LOCALES - -if KERNEL_linux - -choice LIBC_GLIBC_SUPPORTED_KERNEL - bool - prompt "Minimum supported kernel version" - default LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS - -config LIBC_GLIBC_KERNEL_VERSION_NONE - bool - prompt "Let ./configure decide" - help - Let ./configure decide what minimum kernel version glibc will be - able to run against. - - This will include legacy compatibility code for older kernels in - the C library, thus ensuring that it will run on a large number - of old kernels. - - The minimum kernel version supported will be dependent upon the - target you build for. For example: - alpha*-*-linux-gnu Requires Linux 2.6.9 for NPTL - sh[34]-*-linux-gnu Requires Linux 2.6.11 - powerpc* Requires Linux 2.4.19 - arm*-*-linux-*gnueabi Requires Linux 2.6.16 - -config LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS - bool - prompt "Same as kernel headers (default)" - help - Normally, you'll want glibc to run against the same kernel - version as the one used for the headers. - - This is the default. - - If enabled, crosstool-ng will use the chosen version of kernel - headers for the glibc minimum kernel version supported, which is - what gets passed to "--enable-kernel=" when configuring glibc. - - Enabling this will ensure that no legacy compatibility code for - older kernels is built into your C libraries, but it will - be unable to run on kernel versions older than whichever kernel - headers version you've built the toolchain for. - - If you know for sure that your toolchain will never need to build - applications that will run under a kernel version older than your - chosen kernel headers version (CT_KERNEL_VERSION), you can choose - "y" here. - -config LIBC_GLIBC_KERNEL_VERSION_CHOSEN - bool - prompt "Specific kernel version" - help - Specify the earliest Linux kernel version you want glibc to - include support for. This does not have to match the kernel - headers version used for your toolchain. This controls what is - passed to the "--enable-kernel=" option to the glibc configure - script. - - If you want to be able to statically link programs with your - toolchain's C library, make sure this kernel version is lower than - all kernels you wish to support to avoid "FATAL: kernel too old" - errors. The higher the version you specify, the less legacy code - will be built into libc. - - Most people can leave this at the default value of "2.6.9". - -if LIBC_GLIBC_KERNEL_VERSION_CHOSEN - -config LIBC_GLIBC_MIN_KERNEL_VERSION - string - prompt "Minimum kernel version to support" - default "2.6.9" - help - Enter here the lowest kernel version glibc will be able to run against. - - The minimum kernel version supported will be dependent upon the - target you build for. For example: - alpha*-*-linux-gnu Requires Linux 2.6.9 for NPTL - sh[34]-*-linux-gnu Requires Linux 2.6.11 - powerpc* Requires Linux 2.4.19 - arm*-*-linux-*gnueabi Requires Linux 2.6.16 - - Note that no sanity check is performed by crosstool-NG to ensure - that the value you enter here is appropriate for your target. - -endif # LIBC_GLIBC_KERNEL_VERSION_CHOSEN - -endchoice - -config LIBC_GLIBC_MIN_KERNEL - string - default "" if LIBC_GLIBC_KERNEL_VERSION_NONE - default KERNEL_VERSION if LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS - default LIBC_GLIBC_MIN_KERNEL_VERSION if LIBC_GLIBC_KERNEL_VERSION_CHOSEN - -endif # KERNEL_linux diff --git a/config/libc/mingw-w64.in b/config/libc/mingw-w64.in new file mode 100644 index 0000000..769c976 --- /dev/null +++ b/config/libc/mingw-w64.in @@ -0,0 +1,39 @@ +# mingw options + +## depends on WINDOWS +## +## select LIBC_SUPPORT_THREADS_NATIVE +## select LIBC_SUPPORT_THREADS_POSIX +## select CC_CORE_PASS_2_NEEDED +## +## help The de-facto standard for Mingw distributions. + +source "config/versions/mingw-w64.in" + +config THREADS + default "win32" if THREADS_NATIVE + default "posix" if THREADS_POSIX + +config MINGW_SECURE_API + bool "Expose secure API prototypes" + default y + +config MINGW_DIRECTX + bool "Include DirectX development files" + +config MINGW_DDK + bool "Include DDK development files" + +config MINGW_TOOLS + bool "Include the companion tools" + default y + help + Build the companion tools with mingw such as widl, gendef, + and genpeimg. + +config MINGW_TOOL_LIST_ARRAY + string "List of mingw-w64 tools to build" + default "gendef genidl genlib genpeimg widl" + depends on MINGW_TOOLS + help + List of mingw-w64 tools to build. diff --git a/config/libc/mingw.in b/config/libc/mingw.in deleted file mode 100644 index 0ca1823..0000000 --- a/config/libc/mingw.in +++ /dev/null @@ -1,159 +0,0 @@ -# mingw options - -## depends on WINDOWS -## -## select LIBC_SUPPORT_THREADS_NATIVE -## select LIBC_SUPPORT_THREADS_POSIX -## select CC_CORE_PASS_2_NEEDED -## -## help The de-facto standard for Mingw distributions. - -config THREADS - default "win32" if THREADS_NATIVE - default "posix" if THREADS_POSIX - -choice - bool - prompt "Windows API version" - -# Don't remove next line -# CT_INSERT_VERSION_BELOW - -config WINAPI_V_5_0_2 - bool - prompt "5.0.2" - -config WINAPI_V_5_0_1 - bool - prompt "5.0.1 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_5_0_0 - bool - prompt "5.0.0 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_4_0_6 - bool - prompt "4.0.6" - -config WINAPI_V_4_0_5 - bool - prompt "4.0.5 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_4_0_4 - bool - prompt "4.0.4 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_4_0_2 - bool - prompt "4.0.2 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_4_0_1 - bool - prompt "4.0.1 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_4_0_0 - bool - prompt "4.0.0 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_3_3_0 - bool - prompt "3.3.0 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_3_2_0 - bool - prompt "3.2.0 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_3_1_0 - bool - prompt "3.1.0 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_3_0_0 - bool - prompt "3.0.0 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_2_0_9 - bool - prompt "2.0.9 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_2_0_8 - bool - prompt "2.0.8 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_2_0_7 - bool - prompt "2.0.7 (OBSOLETE)" - depends on OBSOLETE - -config WINAPI_V_select - bool - prompt "Other version" - -config WINAPI_V_DEVEL - bool - prompt "devel" - depends on EXPERIMENTAL - depends on CONFIGURE_has_git - -endchoice - -config WINAPI_VERSION - string - prompt "Windows API version" if WINAPI_V_select - default "devel" if WINAPI_V_DEVEL -# Don't remove next line -# CT_INSERT_VERSION_STRING_BELOW - default "5.0.2" if WINAPI_V_5_0_2 - default "5.0.1" if WINAPI_V_5_0_1 - default "5.0.0" if WINAPI_V_5_0_0 - default "4.0.6" if WINAPI_V_4_0_6 - default "4.0.5" if WINAPI_V_4_0_5 - default "4.0.4" if WINAPI_V_4_0_4 - default "4.0.2" if WINAPI_V_4_0_2 - default "4.0.1" if WINAPI_V_4_0_1 - default "4.0.0" if WINAPI_V_4_0_0 - default "3.3.0" if WINAPI_V_3_3_0 - default "3.2.0" if WINAPI_V_3_2_0 - default "3.1.0" if WINAPI_V_3_1_0 - default "3.0.0" if WINAPI_V_3_0_0 - default "2.0.9" if WINAPI_V_2_0_9 - default "2.0.8" if WINAPI_V_2_0_8 - default "2.0.7" if WINAPI_V_2_0_7 - help - Enter the version number of the Windows API files to use - -config MINGW_SECURE_API - bool "Expose secure API prototypes" - default y - -config MINGW_DIRECTX - bool "Include DirectX development files" - -config MINGW_DDK - bool "Include DDK development files" - -config MINGW_TOOLS - bool "Include the companion tools" - default y - help - Build the companion tools with mingw such as widl, gendef, - and genpeimg. - -config MINGW_TOOL_LIST_ARRAY - string "List of mingw-w64 tools to build" - default "gendef genidl genlib genpeimg widl" - depends on MINGW_TOOLS - help - List of mingw-w64 tools to build. diff --git a/config/libc/musl.in b/config/libc/musl.in index 5ea166f..e16e85a 100644 --- a/config/libc/musl.in +++ b/config/libc/musl.in @@ -1,75 +1,66 @@ -# musl options +# musl second-part option ## depends on ! WINDOWS && ! BARE_METAL ## depends on EXPERIMENTAL -## ## select LIBC_SUPPORT_THREADS_NATIVE ## select CC_CORE_PASSES_NEEDED -## + ## help Musl is a new standard library to power a new generation of Linux-based ## help devices. musl is lightweight, fast, simple, free, and strives to be ## help correct in the sense of standards-conformance and safety. +source "config/versions/musl.in" + +# TBD why? it claims "native", why report "musl"? config THREADS default "musl" -config LIBC_MUSL_CUSTOM +config LIBC_MUSL_DEBUG bool - prompt "Custom musl" - depends on EXPERIMENTAL + prompt "Build with debugging information" help - The choosen musl-libc version shall be not downloaded. Instead use - a custom location to get the source. - -if LIBC_MUSL_CUSTOM + This option enables debugging information, this will increase the size of + the resulting library. -config LIBC_MUSL_CUSTOM_LOCATION - string - prompt "Full path to custom musl-libc source" +config LIBC_MUSL_WARNINGS + bool + prompt "Build with recommended warnings flags" help - Enter the path to the directory or tarball of your source for musl. + Build musl-libc with extra warnings, useful for musl-libc development. - If the path is a tarball, it should extract to: <name>-<version>/ - where the name is this component, musl, and the version is set - below in the custom version string. +choice + prompt "How to optimize musl-libc" + default LIBC_MUSL_OPTIMIZE_AUTO -config LIBC_MUSL_CUSTOM_VERSION - string - prompt "Custom MUSL version" +config LIBC_MUSL_OPTIMIZE_NONE + bool + prompt "Do not optimize musl-libc" help - Enter the version number for your custom musl-libc. + This option sets `--enable-optimize=no' to disable optimization. -config LIBC_VERSION - string - default LIBC_MUSL_CUSTOM_VERSION - -endif # LIBC_MUSL_CUSTOM - -if ! LIBC_MUSL_CUSTOM - -choice +config LIBC_MUSL_OPTIMIZE_AUTO bool - prompt "musl version" -# Don't remove next line -# CT_INSERT_VERSION_BELOW + prompt "Use musl-libc's automatic optimization" + help + This option sets `--enable-optimize=auto' to automatically set optimization. -config LIBC_MUSL_V_1_1_16 +config LIBC_MUSL_OPTIMIZE_SPEED bool - prompt "1.1.16" - depends on EXPERIMENTAL + prompt "Optimize musl-libc for speed" + help + This option sets `--enable-optimize=yes' to set optimization to -O3 for speed. -config LIBC_MUSL_V_1_1_15 +config LIBC_MUSL_OPTIMIZE_SIZE bool - prompt "1.1.15 (OBSOLETE)" - depends on EXPERIMENTAL && OBSOLETE + prompt "Optimize musl-libc for size" + help + This option sets `--enable-optimize=size' to set optimization to -Os for size. endchoice -config LIBC_VERSION +config LIBC_MUSL_OPTIMIZE string -# Don't remove next line -# CT_INSERT_VERSION_STRING_BELOW - default "1.1.16" if LIBC_MUSL_V_1_1_16 - default "1.1.15" if LIBC_MUSL_V_1_1_15 - -endif # ! LIBC_MUSL_CUSTOM + default "no" if LIBC_MUSL_OPTIMIZE_NONE + default "auto" if LIBC_MUSL_OPTIMIZE_AUTO + default "yes" if LIBC_MUSL_OPTIMIZE_SPEED + default "size" if LIBC_MUSL_OPTIMIZE_SIZE diff --git a/config/libc/musl.in.2 b/config/libc/musl.in.2 deleted file mode 100644 index f4abcc4..0000000 --- a/config/libc/musl.in.2 +++ /dev/null @@ -1,51 +0,0 @@ -# musl second-part option - -config LIBC_MUSL_DEBUG - bool - prompt "Build with debugging information" - help - This option enables debugging information, this will increase the size of - the resulting library. - -config LIBC_MUSL_WARNINGS - bool - prompt "Build with recommended warnings flags" - help - Build musl-libc with extra warnings, useful for musl-libc development. - -choice - prompt "How to optimize musl-libc" - default LIBC_MUSL_OPTIMIZE_AUTO - -config LIBC_MUSL_OPTIMIZE_NONE - bool - prompt "Do not optimize musl-libc" - help - This option sets `--enable-optimize=no' to disable optimization. - -config LIBC_MUSL_OPTIMIZE_AUTO - bool - prompt "Use musl-libc's automatic optimization" - help - This option sets `--enable-optimize=auto' to automatically set optimization. - -config LIBC_MUSL_OPTIMIZE_SPEED - bool - prompt "Optimize musl-libc for speed" - help - This option sets `--enable-optimize=yes' to set optimization to -O3 for speed. - -config LIBC_MUSL_OPTIMIZE_SIZE - bool - prompt "Optimize musl-libc for size" - help - This option sets `--enable-optimize=size' to set optimization to -Os for size. - -endchoice - -config LIBC_MUSL_OPTIMIZE - string - default "no" if LIBC_MUSL_OPTIMIZE_NONE - default "auto" if LIBC_MUSL_OPTIMIZE_AUTO - default "yes" if LIBC_MUSL_OPTIMIZE_SPEED - default "size" if LIBC_MUSL_OPTIMIZE_SIZE diff --git a/config/libc/newlib.in b/config/libc/newlib.in index 68e8b62..f43a67d 100644 --- a/config/libc/newlib.in +++ b/config/libc/newlib.in @@ -1,220 +1,219 @@ # newlib options ## depends on BARE_METAL -## ## select LIBC_SUPPORT_THREADS_NONE ## select CC_CORE_PASSES_NEEDED if CANADIAN ## select CC_CORE_PASS_2_NEEDED if ! CANADIAN -## + ## help Newlib is a C library intended for use on embedded systems. It is a ## help conglomeration of several library parts, all under free software ## help licenses that make them easily usable on embedded products. Newlib ## help is only available in source form. It can be compiled for a wide ## help array of processors, and will usually work on any architecture with ## help the addition of a few low-level routines. -# -config LIBC_NEWLIB_CUSTOM - bool - prompt "Custom newlib" - depends on EXPERIMENTAL - select LIBC_NEWLIB_2_5_or_later - help - The choosen newlib version shall be not downloaded. Instead use - a custom location to get the source. -if LIBC_NEWLIB_CUSTOM +source "config/versions/newlib.in" -config LIBC_NEWLIB_CUSTOM_LOCATION - string - prompt "Full path to custom newlib source" - help - Enter the path to the directory or tarball of your source for newlib. +# maybe older versions of newlib will support it too, but this +# needs to be checked +config NEWLIB_CXA_ATEXIT + def_bool y + depends on NEWLIB_2_0_or_later + select LIBC_PROVIDES_CXA_ATEXIT - If the path is a tarball, it should extract to: <name>-<version>/ - where the name is this component, newlib, and the version is set - below in the custom version string. +config NEWLIB_HAS_NANO_MALLOC + def_bool y + depends on NEWLIB_2_1_or_later -config LIBC_NEWLIB_CUSTOM_VERSION - string - prompt "Custom NEWLIB version" - help - Enter the version number for your custom newlib. +config NEWLIB_HAS_NANO_FORMATTED_IO + def_bool y + depends on NEWLIB_2_2_or_later -config LIBC_VERSION +config LIBC_NEWLIB_TARGET_CFLAGS string - default LIBC_NEWLIB_CUSTOM_VERSION - -endif # LIBC_NEWLIB_CUSTOM - -if ! LIBC_NEWLIB_CUSTOM - -config CC_NEWLIB_SHOW_LINARO - bool - prompt "Show Linaro versions" + prompt "Target CFLAGS for newlib" + default "" help - Linaro is maintaining some advanced/more stable/experimental versions - of newlib, especially for the ARM architecture. - - Those versions have not been blessed by the newlib comunity (nor have they - been cursed either!), but they look to be pretty much stable, and even - more stable than the upstream versions. YMMV... - - If you do not know what this Linaro stuff is, then simply say 'n' here, - and rest in peace. OTOH, if you know what you are doing, you will be - able to use and enjoy :-) the Linaro versions by saying 'y' here. - - Linaro: http://www.linaro.org/ - -choice - bool - prompt "newlib version" -# Don't remove next line -# CT_INSERT_VERSION_BELOW -config LIBC_NEWLIB_V_2_5_0 - bool - prompt "2.5.0.20170519" - select LIBC_NEWLIB_2_5 + Used to add specific options when compiling the target libraries + (eg. -ffunction-sections -fdata-sections), which can't be defined + in global TARGET_CFLAGS, because they shall be not used for the + gcc target libraries. + Note: Both TARGET_CFLAGS and LIBC_NEWLIB_TARGET_CFLAGS are used + to compile the libraries. -config LIBC_NEWLIB_V_2_4_0 - bool - prompt "2.4.0.20161025" - select LIBC_NEWLIB_2_4 + Leave blank if you don't know better. -config LIBC_NEWLIB_V_2_3_0 +config LIBC_NEWLIB_IO_C99FMT bool - prompt "2.3.0.20160226" - select LIBC_NEWLIB_2_3 + prompt "Enable IOs on C99 formats" + help + Enable support for IOs on C99 formats. -config LIBC_NEWLIB_LINARO_V_2_2_0 +config LIBC_NEWLIB_IO_LL bool - prompt "Linaro 2.2.0-2015.01" - depends on CC_NEWLIB_SHOW_LINARO - select LIBC_NEWLIB_2_2 + prompt "Enable IOs on long long" + help + Enable support for IOs on long long integers. -config LIBC_NEWLIB_V_2_2_0 +config LIBC_NEWLIB_IO_FLOAT bool - prompt "2.2.0.20151023" - select LIBC_NEWLIB_2_2 + prompt "Enable IOs on floats and doubles" + help + Enable support for IOs on floating point + values (float and double). -config LIBC_NEWLIB_LINARO_V_2_1_0 +config LIBC_NEWLIB_IO_LDBL bool - prompt "Linaro 2.1.0-2014.09" - depends on CC_NEWLIB_SHOW_LINARO - select LIBC_NEWLIB_2_1 + prompt "Enable IOs on long doubles" + depends on LIBC_NEWLIB_IO_FLOAT + help + Enable support for IOs on long doubles. -config LIBC_NEWLIB_V_2_1_0 +config LIBC_NEWLIB_IO_POS_ARGS bool - prompt "2.1.0" - select LIBC_NEWLIB_2_1 + prompt "Enable printf-family positional arg support" + help + Enable printf-family positional arg support. -config LIBC_NEWLIB_V_2_0_0 +config LIBC_NEWLIB_FVWRITE_IN_STREAMIO bool - prompt "2.0.0" - select LIBC_NEWLIB_2_0 + prompt "Vector buffer mechanism to support stream IO buffering" + default y + help + NEWLIB implements the vector buffer mechanism to support stream IO + buffering required by C standard. This feature is possibly + unnecessary for embedded systems which won't change file buffering + with functions like `setbuf' or `setvbuf'. The buffering mechanism + still acts as default for STDIN/STDOUT/STDERR even if this option + is specified. -config LIBC_NEWLIB_V_1_20_0 +config LIBC_NEWLIB_UNBUF_STREAM_OPT bool - prompt "1.20.0" + prompt "Optimize fprintf to unbuffered unix file" + default y + help + NEWLIB does optimization when `fprintf to write only unbuffered unix + file'. It creates a temorary buffer to do the optimization that + increases stack consumption by about `BUFSIZ' bytes. Disabling this option + disables the optimization and saves size of text and stack. -config LIBC_NEWLIB_V_1_19_0 +config LIBC_NEWLIB_FSEEK_OPTIMIZATION bool - prompt "1.19.0" + prompt "Fseek optimisation" + default y + help + Disabling fseek optimisation can decrease code size. -config LIBC_NEWLIB_V_1_18_0 +config LIBC_NEWLIB_DISABLE_SUPPLIED_SYSCALLS bool - prompt "1.18.0" + prompt "Disable the syscalls supplied with newlib" + help + Disable the syscalls that come with newlib. You + will have to implement your own _sbrk, _read, + _write... If you plan to port newlib to a new + platform/board, say Yes. -config LIBC_NEWLIB_V_1_17_0 +config LIBC_NEWLIB_REGISTER_FINI bool - prompt "1.17.0" - -endchoice - -endif # ! LIBC_NEWLIB_CUSTOM + prompt "Enable finalization function registration using atexit" + help + Enable finalization function registration using atexit. -config LIBC_NEWLIB_2_5 +config LIBC_NEWLIB_ATEXIT_DYNAMIC_ALLOC bool - select LIBC_NEWLIB_2_5_or_later + prompt "Enable dynamic allocation of atexit entries" + default y + help + Enable dynamic allocation of atexit entries. -config LIBC_NEWLIB_2_4 +config LIBC_NEWLIB_GLOBAL_ATEXIT bool - select LIBC_NEWLIB_2_4_or_later + prompt "Enable atexit data structure as global variable" + help + Enable atexit data structure as global variable. By doing so it is + move out of _reent structure, and can be garbage collected if atexit + is not referenced. -config LIBC_NEWLIB_2_3 +config LIBC_NEWLIB_LITE_EXIT bool - select LIBC_NEWLIB_2_3_or_later + prompt "Enable lite exit" + help + Enable lite exit, a size-reduced implementation of exit that doesn't + invoke clean-up functions such as _fini or global destructors. -config LIBC_NEWLIB_2_2 +config LIBC_NEWLIB_REENT_SMALL bool - select LIBC_NEWLIB_2_2_or_later + prompt "Enable small reentrant struct support" + help + Enable small reentrant struct support. -config LIBC_NEWLIB_2_1 +config LIBC_NEWLIB_MULTITHREAD bool - select LIBC_NEWLIB_2_1_or_later + prompt "Enable support for multiple threads" + default y + help + Enable support for multiple threads. -config LIBC_NEWLIB_2_0 +config LIBC_NEWLIB_EXTRA_SECTIONS bool - select LIBC_NEWLIB_2_0_or_later + prompt "Place each function & data element in their own section" + help + Place each function & data symbol in their own section. This allows + the linker to garbage collect unused symbols at link time. -config LIBC_NEWLIB_2_5_or_later +config LIBC_NEWLIB_WIDE_ORIENT bool - select LIBC_NEWLIB_2_4_or_later + prompt "Allow wide C99 stream orientation" + default y + help + C99 states that each stream has an orientation, wide or byte. This + feature is possibly unnecessary for embedded systems which only do + byte input/output operations on stream. Disabling this feature can + decrease code size. -config LIBC_NEWLIB_2_4_or_later +config LIBC_NEWLIB_ENABLE_TARGET_OPTSPACE bool - select LIBC_NEWLIB_2_3_or_later + prompt "Optimize newlib for size" + default y + help + Pass --enable-target-optspace to newlib configure. -config LIBC_NEWLIB_2_3_or_later - bool - select LIBC_NEWLIB_2_2_or_later + This will compile newlib with -Os. -config LIBC_NEWLIB_2_2_or_later +config LIBC_NEWLIB_LTO bool - select LIBC_NEWLIB_2_1_or_later + prompt "Enable Link Time Optimization" + depends on CC_GCC_USE_LTO + help + Builds the libraries with -flto to enable more aggressive link time + optimization. You will need to add -flto-partition=one to your + application's link line to keep the RETURN assembler macro together + with it's consumers. -config LIBC_NEWLIB_2_1_or_later +config LIBC_NEWLIB_NANO_MALLOC bool - select LIBC_NEWLIB_2_0_or_later + prompt "Enable Nano Malloc" + depends on NEWLIB_HAS_NANO_MALLOC + help + NEWLIB has two implementations of malloc family's functions, one in + `mallocr.c' and the other one in `nano-mallocr.c'. This options + enables the nano-malloc implementation, which is for small systems + with very limited memory. Note that this implementation does not + support `--enable-malloc-debugging' any more. -# maybe older versions of newlib will support it too, but this -# needs to be checked -config LIBC_NEWLIB_2_0_or_later +config LIBC_NEWLIB_NANO_FORMATTED_IO bool - select LIBC_PROVIDES_CXA_ATEXIT - -if ! LIBC_NEWLIB_CUSTOM -config LIBC_VERSION - string -# Don't remove next line -# CT_INSERT_VERSION_STRING_BELOW - default "2.5.0.20170519" if LIBC_NEWLIB_V_2_5_0 - default "2.4.0.20161025" if LIBC_NEWLIB_V_2_4_0 - default "2.3.0.20160226" if LIBC_NEWLIB_V_2_3_0 - default "linaro-2.2.0-2015.01" if LIBC_NEWLIB_LINARO_V_2_2_0 - default "2.2.0.20151023" if LIBC_NEWLIB_V_2_2_0 - default "linaro-2.1.0-2014.09" if LIBC_NEWLIB_LINARO_V_2_1_0 - default "2.1.0" if LIBC_NEWLIB_V_2_1_0 - default "2.0.0" if LIBC_NEWLIB_V_2_0_0 - default "1.20.0" if LIBC_NEWLIB_V_1_20_0 - default "1.19.0" if LIBC_NEWLIB_V_1_19_0 - default "1.18.0" if LIBC_NEWLIB_V_1_18_0 - default "1.17.0" if LIBC_NEWLIB_V_1_17_0 - help - Enter the tag you want to use. - Leave empty to use the 'head' of the repository. - -endif # ! LIBC_NEWLIB_CUSTOM + prompt "Enable Nano Formatted I/O" + depends on NEWLIB_HAS_NANO_FORMATTED_IO + help + This builds NEWLIB with a special implementation of formatted I/O + functions, designed to lower the size of application on small systems + with size constraint issues. This option does not affect wide-char + formatted I/O functions. -config LIBC_NEWLIB_TARGET_CFLAGS +config LIBC_NEWLIB_EXTRA_CONFIG_ARRAY string - prompt "Target CFLAGS for newlib" + prompt "Extra config for newlib" default "" help - Used to add specific options when compiling the target libraries - (eg. -ffunction-sections -fdata-sections), which can't be defined - in global TARGET_CFLAGS, because they shall be not used for the - gcc target libraries. - Note: Both TARGET_CFLAGS and LIBC_NEWLIB_TARGET_CFLAGS are used - to compile the libraries. - - Leave blank if you don't know better. + Extra flags to pass onto ./configure when configuring the newlib. diff --git a/config/libc/newlib.in.2 b/config/libc/newlib.in.2 deleted file mode 100644 index 96bd22b..0000000 --- a/config/libc/newlib.in.2 +++ /dev/null @@ -1,176 +0,0 @@ -# newlib second-part options - -config LIBC_NEWLIB_IO_C99FMT - bool - prompt "Enable IOs on C99 formats" - help - Enable support for IOs on C99 formats. - -config LIBC_NEWLIB_IO_LL - bool - prompt "Enable IOs on long long" - help - Enable support for IOs on long long integers. - -config LIBC_NEWLIB_IO_FLOAT - bool - prompt "Enable IOs on floats and doubles" - help - Enable support for IOs on floating point - values (float and double). - -config LIBC_NEWLIB_IO_LDBL - bool - prompt "Enable IOs on long doubles" - depends on LIBC_NEWLIB_IO_FLOAT - help - Enable support for IOs on long doubles. - -config LIBC_NEWLIB_IO_POS_ARGS - bool - prompt "Enable printf-family positional arg support" - help - Enable printf-family positional arg support. - -config LIBC_NEWLIB_FVWRITE_IN_STREAMIO - bool - prompt "Vector buffer mechanism to support stream IO buffering" - default y - help - NEWLIB implements the vector buffer mechanism to support stream IO - buffering required by C standard. This feature is possibly - unnecessary for embedded systems which won't change file buffering - with functions like `setbuf' or `setvbuf'. The buffering mechanism - still acts as default for STDIN/STDOUT/STDERR even if this option - is specified. - -config LIBC_NEWLIB_UNBUF_STREAM_OPT - bool - prompt "Optimize fprintf to unbuffered unix file" - default y - help - NEWLIB does optimization when `fprintf to write only unbuffered unix - file'. It creates a temorary buffer to do the optimization that - increases stack consumption by about `BUFSIZ' bytes. Disabling this option - disables the optimization and saves size of text and stack. - -config LIBC_NEWLIB_FSEEK_OPTIMIZATION - bool - prompt "Fseek optimisation" - default y - help - Disabling fseek optimisation can decrease code size. - -config LIBC_NEWLIB_DISABLE_SUPPLIED_SYSCALLS - bool - prompt "Disable the syscalls supplied with newlib" - help - Disable the syscalls that come with newlib. You - will have to implement your own _sbrk, _read, - _write... If you plan to port newlib to a new - platform/board, say Yes. - -config LIBC_NEWLIB_REGISTER_FINI - bool - prompt "Enable finalization function registration using atexit" - help - Enable finalization function registration using atexit. - -config LIBC_NEWLIB_ATEXIT_DYNAMIC_ALLOC - bool - prompt "Enable dynamic allocation of atexit entries" - default y - help - Enable dynamic allocation of atexit entries. - -config LIBC_NEWLIB_GLOBAL_ATEXIT - bool - prompt "Enable atexit data structure as global variable" - help - Enable atexit data structure as global variable. By doing so it is - move out of _reent structure, and can be garbage collected if atexit - is not referenced. - -config LIBC_NEWLIB_LITE_EXIT - bool - prompt "Enable lite exit" - help - Enable lite exit, a size-reduced implementation of exit that doesn't - invoke clean-up functions such as _fini or global destructors. - -config LIBC_NEWLIB_REENT_SMALL - bool - prompt "Enable small reentrant struct support" - help - Enable small reentrant struct support. - -config LIBC_NEWLIB_MULTITHREAD - bool - prompt "Enable support for multiple threads" - default y - help - Enable support for multiple threads. - -config LIBC_NEWLIB_EXTRA_SECTIONS - bool - prompt "Place each function & data element in their own section" - help - Place each function & data symbol in their own section. This allows - the linker to garbage collect unused symbols at link time. - -config LIBC_NEWLIB_WIDE_ORIENT - bool - prompt "Allow wide C99 stream orientation" - default y - help - C99 states that each stream has an orientation, wide or byte. This - feature is possibly unnecessary for embedded systems which only do - byte input/output operations on stream. Disabling this feature can - decrease code size. - -config LIBC_NEWLIB_ENABLE_TARGET_OPTSPACE - bool - prompt "Optimize newlib for size" - default y - help - Pass --enable-target-optspace to newlib configure. - - This will compile newlib with -Os. - -config LIBC_NEWLIB_LTO - bool - prompt "Enable Link Time Optimization" - depends on CC_GCC_USE_LTO - help - Builds the libraries with -flto to enable more aggressive link time - optimization. You will need to add -flto-partition=one to your - application's link line to keep the RETURN assembler macro together - with it's consumers. - -config LIBC_NEWLIB_NANO_MALLOC - bool - prompt "Enable Nano Malloc" - depends on LIBC_NEWLIB_2_1_or_later - help - NEWLIB has two implementations of malloc family's functions, one in - `mallocr.c' and the other one in `nano-mallocr.c'. This options - enables the nano-malloc implementation, which is for small systems - with very limited memory. Note that this implementation does not - support `--enable-malloc-debugging' any more. - -config LIBC_NEWLIB_NANO_FORMATTED_IO - bool - prompt "Enable Nano Formatted I/O" - depends on LIBC_NEWLIB_2_2_or_later - help - This builds NEWLIB with a special implementation of formatted I/O - functions, designed to lower the size of application on small systems - with size constraint issues. This option does not affect wide-char - formatted I/O functions. - -config LIBC_NEWLIB_EXTRA_CONFIG_ARRAY - string - prompt "Extra config for newlib" - default "" - help - Extra flags to pass onto ./configure when configuring the newlib. diff --git a/config/libc/uClibc.in b/config/libc/uClibc.in index a85cf21..e12c3fd 100644 --- a/config/libc/uClibc.in +++ b/config/libc/uClibc.in @@ -4,6 +4,7 @@ ## ## select LIBC_SUPPORT_THREADS_LT ## select LIBC_SUPPORT_THREADS_NONE +## select LIBC_SUPPORT_THREADS_NATIVE if UCLIBC_0_9_33_2_or_later ## select CC_CORE_PASSES_NEEDED ## ## help The de-facto standard for embeded linux systems. @@ -11,6 +12,8 @@ ## help Highly configurable, thus as feature-rich as you ## help need, without compromising for size. +source "config/versions/uClibc.in" + config THREADS default "nptl" if THREADS_NATIVE default "linuxthreads" if THREADS_LT @@ -20,141 +23,18 @@ comment "'softfp' ABI and uClibc is not entirely tested in crosstool-NG" comment "You may experience issues, although it should work just fine" endif # ARCH_FLOAT_SOFTFP -config LIBC_UCLIBC_CUSTOM - bool - prompt "Custom uClibc" - depends on EXPERIMENTAL - help - The choosen uclibc version shall be not downloaded. Instead use - a custom location to get the source. - -if LIBC_UCLIBC_CUSTOM - -choice - bool - prompt "uClibc Version Name" - -config LIBC_UCLIBC_CUSTOM_UCLIBC - bool "uClibc (OBSOLETE)" - depends on OBSOLETE - select LIBC_UCLIBC_0_9_33_2_or_later - -config LIBC_UCLIBC_CUSTOM_UCLIBC_NG - bool "uClibc-ng (1.0.15 or later)" - select LIBC_UCLIBC_NG_1_0_15_or_later - -config LIBC_UCLIBC_CUSTOM_UCLIBC_NG_OLD - bool "uClibc-ng (older than 1.0.15)" - select LIBC_UCLIBC_NG_1_0_0_or_later - -endchoice - -config LIBC_UCLIBC_CUSTOM_LOCATION - string - prompt "Full path to custom uClibc source" - help - Enter the path to the directory or tarball of your source for uClibc. - - If the path is a tarball, it should extract to: <name>-<version>/ - where the name is this component will be set by the uClibc Version Name - option from above, and the version is set below in the custom version - string. - -config LIBC_UCLIBC_CUSTOM_VERSION - string - prompt "Custom uClibc Version" - help - Enter the version number for your custom uClibc. - Version 1.0.18 is only enabled in EXPERIMENTAL builds due to issues - with static libraries. - -config LIBC_VERSION - string - default LIBC_UCLIBC_CUSTOM_VERSION - -endif # LIBC_UCLIBC_CUSTOM - -if ! LIBC_UCLIBC_CUSTOM - -choice - bool - prompt "uClibc version" -# Don't remove next line -# CT_INSERT_VERSION_BELOW - -config LIBC_UCLIBC_NG_V_1_0_25 - bool - prompt "1.0.25" - select LIBC_UCLIBC_NG_1_0_15_or_later - -config LIBC_UCLIBC_NG_V_1_0_24 - bool - prompt "1.0.24" - select LIBC_UCLIBC_NG_1_0_15_or_later - -config LIBC_UCLIBC_NG_V_1_0_23 - bool - prompt "1.0.23" - select LIBC_UCLIBC_NG_1_0_15_or_later - -config LIBC_UCLIBC_NG_V_1_0_22 - bool - prompt "1.0.22" - select LIBC_UCLIBC_NG_1_0_15_or_later - -config LIBC_UCLIBC_NG_V_1_0_21 - bool - prompt "1.0.21 (OBSOLETE)" - depends on OBSOLETE - select LIBC_UCLIBC_NG_1_0_15_or_later - -config LIBC_UCLIBC_NG_V_1_0_20 - bool - prompt "1.0.20 (OBSOLETE)" - depends on OBSOLETE - select LIBC_UCLIBC_NG_1_0_15_or_later - -config LIBC_UCLIBC_V_0_9_33_2 - bool - prompt "0.9.33.2 (OBSOLETE)" - depends on OBSOLETE - select LIBC_UCLIBC_0_9_33_2_or_later - -endchoice - -config LIBC_VERSION - string -# Don't remove next line -# CT_INSERT_VERSION_STRING_BELOW - default "1.0.25" if LIBC_UCLIBC_NG_V_1_0_25 - default "1.0.24" if LIBC_UCLIBC_NG_V_1_0_24 - default "1.0.23" if LIBC_UCLIBC_NG_V_1_0_23 - default "1.0.22" if LIBC_UCLIBC_NG_V_1_0_22 - default "1.0.21" if LIBC_UCLIBC_NG_V_1_0_21 - default "1.0.20" if LIBC_UCLIBC_NG_V_1_0_20 - default "0.9.33.2" if LIBC_UCLIBC_V_0_9_33_2 - -endif # ! LIBC_UCLIBC_CUSTOM - -config LIBC_UCLIBC_NG_1_0_15_or_later - bool - select LIBC_UCLIBC_NG_1_0_0_or_later - -config LIBC_UCLIBC_NG_1_0_0_or_later - bool - select LIBC_UCLIBC_NG - select LIBC_UCLIBC_0_9_33_2_or_later - -config LIBC_UCLIBC_0_9_33_2_or_later - bool - select LIBC_SUPPORT_THREADS_NATIVE - select LIBC_UCLIBC_PARALLEL - config LIBC_UCLIBC_PARALLEL - bool + def_bool y + depends on UCLIBC_0_9_33_2_or_later config LIBC_UCLIBC_NG - bool + def_bool y + depends on UCLIBC_1_0_0_or_later + +# uClibc-ng 1.0.15 did away with 2 implementations of linuxthreads +config UCLIBC_MERGED_LINUXTHREADS + def_bool y + depends on UCLIBC_1_0_15_or_later choice bool @@ -230,3 +110,98 @@ config LIBC_UCLIBC_CONFIG_FILE Path to the configuration file. If the file is not provided, we fall back to a default config file. + +if THREADS_LT && !UCLIBC_MERGED_LINUXTHREADS + +choice + bool + prompt "Linuxthread implementation: " + default LIBC_UCLIBC_LNXTHRD_OLD + +config LIBC_UCLIBC_LNXTHRD_OLD + bool + prompt "old/stable" + help + From the uClibc config option help: + There are two versions of linuxthreads. The older (stable) version + has been in uClibc for quite a long time but hasn't seen too many + updates other than bugfixes. + +config LIBC_UCLIBC_LNXTHRD_NEW + bool + prompt "new" + help + From the uClibc config option help: + The new version has not been tested much, and lacks ports for arches + which glibc does not support (like frv, etc...), but is based on + the latest code from glibc, so it may be the only choice for the + newer ports (like alpha/amd64/64bit arches and hppa). + +endchoice + +endif # THREADS_LT + +config LIBC_UCLIBC_LNXTHRD + string + default "" if THREADS_NONE + default "" if THREADS_NATIVE + default "" if UCLIBC_MERGED_LINUXTHREADS + default "old" if LIBC_UCLIBC_LNXTHRD_OLD + default "new" if LIBC_UCLIBC_LNXTHRD_NEW + +config LIBC_UCLIBC_LOCALES + bool + select LIBC_UCLIBC_WCHAR + prompt "Add support for locales" + help + Say y if you want uClibc to support localisation. + + Note that seems to be broken on recent uClibc releases. + +config LIBC_UCLIBC_IPV6 + bool + prompt "Add support for IPv6" + help + Say y if you want uClibc to support IPv6. + +config LIBC_UCLIBC_WCHAR + bool + prompt "Add support for WCHAR" + help + Say y if you want uClibc to support WCHAR. + + Maybe this is needed, if you're building a C++-Compiler + +config LIBC_UCLIBC_FENV + bool + prompt "Add support for fenv.h" + default y if ARCH_X86 + help + fenv.h provides functions to control the floating point environment, + such as rounding mode, exceptions... + + For some architectures, fenv.h is incomplete, so is not installed + by default. x86 is known to have a rather complete fenv.h, so it is + installed by default only for x86. + + If you need fenv.h on other architectures, say 'y' here, but you may + encounter some issues. + +config LIBC_UCLIBC_RPC + bool + prompt "Add support for RPC" + help + Enable support for remote procedure calls (RPC) in uClibc. + +if ARCH_ARM +config LIBC_UCLIBC_USE_GNU_SUFFIX + bool + default y + prompt "Use -uclibcgnueabi suffix" + help + Depending on where the resulting toolchain will be used, you may need + to tweak the "system" part of the target tuple. Buildroot prefers + to have arm-*-linux-uclibcgnueabi; OpenEmbedded prefers + arm-*-linux-uclibceabi. Other tools seem to either accept both, or + don't care about the suffix. +endif diff --git a/config/libc/uClibc.in.2 b/config/libc/uClibc.in.2 deleted file mode 100644 index 1b34855..0000000 --- a/config/libc/uClibc.in.2 +++ /dev/null @@ -1,110 +0,0 @@ -# uClibc second-part option - -if THREADS_LT && !LIBC_UCLIBC_NG_1_0_15_or_later - -choice - bool - prompt "Linuxthread implementation: " - default LIBC_UCLIBC_LNXTHRD_OLD - -config LIBC_UCLIBC_LNXTHRD_OLD - bool - prompt "old/stable" - help - From the uClibc config option help: - There are two versions of linuxthreads. The older (stable) version - has been in uClibc for quite a long time but hasn't seen too many - updates other than bugfixes. - -config LIBC_UCLIBC_LNXTHRD_NEW - bool - prompt "new" - help - From the uClibc config option help: - The new version has not been tested much, and lacks ports for arches - which glibc does not support (like frv, etc...), but is based on - the latest code from glibc, so it may be the only choice for the - newer ports (like alpha/amd64/64bit arches and hppa). - -endchoice - -endif # THREADS_LT - -# uClibc-ng 1.0.15 did away with 2 implementations of linuxthreads -config LIBC_UCLIBC_LNXTHRD - string - default "" if THREADS_NONE - default "" if THREADS_NATIVE - default "" if LIBC_UCLIBC_NG_1_0_15_or_later - default "old" if LIBC_UCLIBC_LNXTHRD_OLD - default "new" if LIBC_UCLIBC_LNXTHRD_NEW - -config LIBC_UCLIBC_LOCALES - bool - select LIBC_UCLIBC_WCHAR - prompt "Add support for locales" - help - Say y if you want uClibc to support localisation. - - Note that seems to be broken on recent uClibc releases. - -config LIBC_UCLIBC_LOCALES_PREGEN_DATA - bool - prompt "Use pregen locales" - depends on LIBC_UCLIBC_LOCALES - depends on ! LIBC_UCLIBC_NG - default y - help - If you see issues with using pre-generated locales data, - you can try switching this off. - - If so, please report the issue, so we can default this - to off if too many people complain. - -config LIBC_UCLIBC_IPV6 - bool - prompt "Add support for IPv6" - help - Say y if you want uClibc to support IPv6. - -config LIBC_UCLIBC_WCHAR - bool - prompt "Add support for WCHAR" - help - Say y if you want uClibc to support WCHAR. - - Maybe this is needed, if you're building a C++-Compiler - -config LIBC_UCLIBC_FENV - bool - prompt "Add support for fenv.h" - default y if ARCH_x86 - help - fenv.h provides functions to control the floating point environment, - such as rounding mode, exceptions... - - For some architectures, fenv.h is incomplete, so is not installed - by default. x86 is known to have a rather complete fenv.h, so it is - installed by default only for x86. - - If you need fenv.h on other architectures, say 'y' here, but you may - encounter some issues. - -config LIBC_UCLIBC_RPC - bool - prompt "Add support for RPC" - help - Enable support for remote procedure calls (RPC) in uClibc. - -if ARCH_arm -config LIBC_UCLIBC_USE_GNU_SUFFIX - bool - default y - prompt "Use -uclibcgnueabi suffix" - help - Depending on where the resulting toolchain will be used, you may need - to tweak the "system" part of the target tuple. Buildroot prefers - to have arm-*-linux-uclibcgnueabi; OpenEmbedded prefers - arm-*-linux-uclibceabi. Other tools seem to either accept both, or - don't care about the suffix. -endif |