Cross-Compiler.md

Preparation du Cross-Compiler à 42

Créer le dossier où vous allez avoir votre code source

mkdir -pv ~/Cross-Compiler-KFS42
cd ~/Cross-Compiler-KFS42

Preparation du prefix, target et path

export PREFIX="$HOME/Cross-Compiler-KFS42"
export TARGET=i686-elf
export PATH="$PREFIX/bin:$PATH"

Téléchargement et decompression

wget https://github.com/westes/flex/releases/download/v2.6.4/flex-2.6.4.tar.gz
wget https://ftp.gnu.org/gnu/bison/bison-3.7.4.tar.gz
wget https://ftp.gnu.org/gnu/m4/m4-1.4.19.tar.gz
wget https://ftp.gnu.org/gnu/grub/grub-2.06.tar.xz
wget https://ftp.gnu.org/gnu/binutils/binutils-2.35.tar.gz
wget https://ftp.gnu.org/gnu/texinfo/texinfo-6.8.tar.gz

tar xvzf flex-2.6.4.tar.gz
tar xvzf bison-3.7.4.tar.gz
tar xvzf m4-1.4.19.tar.gz
tar -xvf grub-2.06.tar.xz
tar xvzf binutils-2.35.tar.gz
tar xvzf texinfo-6.8.tar.gz

Installation de chaque paquet

cd binutils-2.35
./configure --target=$TARGET --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
make
make install
cd ..

cd m4-1.4.19
./configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers
make
make install
cd ..

cd texinfo-6.8
./configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers
make
make install
cd ..

cd bison-3.7.4
./configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers
make
make install
cd ..

cd flex-2.6.4
./configure --target=$TARGET --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers
make
make install
cd ..

cd grub-2.06
./configure --target=$TARGET --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
make
make install
cd ..

Nettoyer le code source (optionnel)

rm -rf binutils-2.35 \
    m4-1.4.19 texinfo-6.8 \
    bison-3.7.4 \
    flex-2.6.4 \
    grub-2.06

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Références

https://wiki.osdev.org/GCC_Cross-Compiler