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http://crosstool-ng.org/
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Distribution Compatibility Notes (Debian 10 Buster):
C library : glibc-2.28
Binutils : binutils-2.31.1
Compiler : gcc-8.3.0; static libstdc++
Linux : linux-4.20.8 (Debian 10: 4.19)
glibc-2.28 allows compatibility with Debian >= 10
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0) Install crosstool-ng 1.24.0 for building crosstools
apt-get install help2man python3-dev
cd crosstool-ng-1.24.0
./configure --prefix=/usr/local
make
sudo make install
1) Some local preparations
# where the cross-tools will be build, aka cross-tools projects
mkdir /usr/local/projects/crosstool-ng-projects ; cd /usr/local/projects/crosstool-ng-projects
# where the cross-tools will be installed and run from
mkdir /usr/local/x-tools
export CT_PREFIX=/usr/local/x-tools
2) Build for armv7-unknown-linux-gnueabihf
mkdir armv7-unknown-linux-gnueabihf ; cd armv7-unknown-linux-gnueabihf
ct-ng armv7-rpi2-linux-gnueabihf
ct-ng menuconfig
Target : arm; Def Instr arm; EABI; ** Append 'hf' to tuple; 'v7' arch suffix; ** Combing Libs Single Dir;
MMU; Little-Endian; 32-bit; ** TUNE armv7; FPU ''; hardware FPU **
Toolchain : Sysroot, 'unknown' Tuple's vendor,
Languages : C,C++
OS : linux-4.20.8; Check Headers, build libs
Binutils : binutils-2.31.1
Compiler : gcc-8.3.0; static libstdc++
C library : glibc-2.28
Debug tools : duma-2_5_15 gdb-8.2.1 ltrace-0.7.3 strace-4.26
Companion libs : expat-2.2.6 gettext-0.19.8.1 gmp-6.1.2 isl-0.20 libelf-0.8.13 libiconv-1.15 mpc-1.1.0 mpfr-4.0.2 ncurses-6.1
Companion tools : automake-1.16.1
ct-ng build
3) Build for aarch64-unknown-linux-gnu
mkdir aarch64-unknown-linux-gnu ; cd aarch64-unknown-linux-gnu
ct-ng aarch64-unknown-linux-gnu
Languages : C,C++
OS : linux-4.20.8
Binutils : binutils-2.31.1
Compiler : gcc-8.3.0; static libstdc++
C library : glibc-2.28
Debug tools : gdb-8.2.1
Companion libs : expat-2.2.6 gettext-0.19.8.1 gmp-6.1.2 isl-0.20 libiconv-1.15 mpc-1.1.0 mpfr-4.0.2 ncurses-6.1 zlib-1.2.11
Companion tools : automake-1.16.1
ct-ng build
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