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Brew no longer works #261

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Brew no longer works #261

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23caccd
Brew no longer works
zykron1 Feb 17, 2023
1f31891
updated gcc
zykron1 Feb 17, 2023
38ebdba
Fixed a typo
zykron1 Feb 17, 2023
96d458c
Update README.md
zykron1 Feb 17, 2023
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11 changes: 9 additions & 2 deletions 11-kernel-crosscompiler/README.md
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Expand Up @@ -19,6 +19,7 @@ you didn't do it on lesson 00, and get those packages with `brew install`
- mpfr
- libmpc
- gcc
- wget

Yes, we will need `gcc` to build our cross-compiled `gcc`, especially on a Mac where gcc has been deprecated for `clang`

Expand Down Expand Up @@ -54,15 +55,21 @@ cd binutils-build
make all install 2>&1 | tee make.log
```

NOTE: Run this if on mac to substitiute the /usr/include directory
```
export CPATH="/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/"
```

gcc
---
```sh
cd /tmp/src
curl -O https://ftp.gnu.org/gnu/gcc/gcc-4.9.1/gcc-4.9.1.tar.bz2
curl -O https://ftp.gnu.org/gnu/gcc/gcc-12.2.0/gcc-12.2.0.tar.gz
tar xf gcc-4.9.1.tar.bz2
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mkdir gcc-build
cd gcc-build
../gcc-4.9.1/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --disable-libssp --enable-languages=c --without-headers
../gcc-12.2.0/contrib/download_prerequisites
../gcc-12.2.0/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --disable-libssp --enable-languages=c --without-headers
make all-gcc
make all-target-libgcc
make install-gcc
Expand Down