41 lines
1.5 KiB
Text
41 lines
1.5 KiB
Text
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This script automatically builds the cross-compiler needed to build FENIX at
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this stage in time. It sets up a cross-compiler for i686-elf in ~/opt/cross.
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This version of the script, suitable for building current, unversioned
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pre-releases of FENIX, uses GCC 9.2.0 and Binutils 2.32. You'll need to
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download these from the GNU website:
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Binutils: https://ftp.gnu.org/gnu/binutils/binutils-2.32.tar.xz
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GCC: https://ftp.gnu.org/gnu/gcc/gcc-9.2.0/gcc-9.2.0.tar.xz
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Download these tarballs into the same folder as build_cross_compiler.sh
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Additionally, you'll need the following:
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- A suitable C compiler (probably GCC)
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- make
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- Bison
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- Flex
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- GMP
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- MPC
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- MPFR
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- Texinfo
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These correspond to these Fedora packages:
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- gcc (or whatever C compiler you use, like Clang)
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- make
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- bison
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- flex
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- gmp-devel
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- libmpc-devel
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- mpfr-devel
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- texinfo
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Once you're ready, simply run build_cross_compiler.sh. (You may first need
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to run `chmod +x build_cross_compiler.sh` in order to make it executable.
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Once done, you'll probably want to add ~/opt/cross/bin to your PATH. You'll
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probably also want to verify that it worked. To do so, you can start by
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checking if it runs using:
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`i686-elf-gcc --version`
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You can also try compiling a small test kernel included in cross_compiler_test.
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Simply run `make`. If everything worked, it should successfully compile. You can
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then run `make test` to open the kernel in QEMU. (Note: You'll need
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qemu-system-i386 to test the test kernel.
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