Initialize repo

.ct-ng-version

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+ea38601

.gitignore

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+.build
+.config*
+build.log
+output

LICENSE

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+MIT License
+
+Copyright (c) 2020 Lukasz Tekieli
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# devboards-toolchains
+Collection of crosstool-ng toolchains for differents dev boards:
+- aarch64-rpi3-linux-gnu_defconfig - **raspberry pi 3b+**
+- arm-cortex_a8-linux-gnueabihf_defconfig - **beaglebone black**
+- armv6-rpi-linux-gnueabihf_defconfig - **raspberry pi zero w**
+
+## Prerequisites
+- [ct-ng-env](https://github.com/ltekieli/ct-ng-env)
+
+## Usage
+Get the correct version of crosstool-ng:
+```
+$ ct-ng-env $(cat ./.ct-ng-version) ~/.ct-ng-current
+$ source ~/.ct-ng-current/activate
+```
+
+Build a toolchain:
+```
+$ mkdir -p output/downloads
+$ export CT_PREFIX=${PWD}/output
+$ DEFCONFIG=aarch64-rpi3-linux-gnu_defconfig ct-ng defconfig
+$ ct-ng build
+
+$ tree -L 1 output/
+output/
+├── aarch64-rpi3-linux-gnu
+└── downloads
+```

aarch64-rpi3-linux-gnu_defconfig

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+CT_CONFIG_VERSION="3"
+CT_LOCAL_TARBALLS_DIR="${CT_PREFIX}/downloads"
+CT_ARCH_ARM=y
+CT_ARCH_CPU="cortex-a53"
+CT_ARCH_64=y
+CT_STATIC_TOOLCHAIN=y
+CT_TARGET_VENDOR="rpi3"
+CT_KERNEL_LINUX=y
+CT_CC_LANG_CXX=y
+CT_DEBUG_GDB=y
+CT_ZLIB_NEEDED=y

arm-cortex_a8-linux-gnueabihf_defconfig

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+CT_CONFIG_VERSION="3"
+CT_LOCAL_TARBALLS_DIR="${CT_PREFIX}/downloads"
+CT_ARCH_ARM=y
+CT_ARCH_CPU="cortex-a8"
+CT_ARCH_FPU="vfpv3"
+CT_ARCH_FLOAT_HW=y
+CT_STATIC_TOOLCHAIN=y
+CT_TARGET_VENDOR="cortex_a8"
+CT_KERNEL_LINUX=y
+CT_CC_LANG_CXX=y
+CT_DEBUG_DUMA=y
+CT_DEBUG_GDB=y
+CT_GDB_NATIVE=y
+CT_DEBUG_LTRACE=y
+CT_DEBUG_STRACE=y
+CT_ZLIB_NEEDED=y

armv6-rpi-linux-gnueabihf_defconfig

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+CT_CONFIG_VERSION="3"
+CT_LOCAL_TARBALLS_DIR="${CT_PREFIX}/src"
+CT_ARCH_ARM=y
+CT_ARCH_CPU="arm1176jzf-s"
+CT_ARCH_SUFFIX="v6"
+CT_ARCH_FPU="vfp"
+CT_ARCH_FLOAT_HW=y
+CT_STATIC_TOOLCHAIN=y
+CT_TARGET_VENDOR="rpi"
+CT_KERNEL_LINUX=y
+CT_GLIBC_LOCALES=y
+CT_GLIBC_KERNEL_VERSION_CHOSEN=y
+CT_GLIBC_MIN_KERNEL_VERSION="3.2.27"
+CT_CC_GCC_DISABLE_PCH=y
+CT_CC_GCC_BUILD_ID=y
+CT_CC_GCC_LNK_HASH_STYLE_BOTH=y
+CT_CC_LANG_CXX=y
+CT_DEBUG_GDB=y
+CT_ZLIB_NEEDED=y