Thierry's own OS.
Rainbow is licensed under the BSD (Simplified) 2-Clause License.
To build Rainbow from your existing operating system, the following tools are required (version numbers show what I am using and do not indicate strict requirements):
- binutils 2.26.1
- gcc 6.5.0
- GNU Make 4.1
And finally if you want to run your disk image under an emulator, I use qemu:
- qemu-system-i386 2.6.50
- qemu-system-x86_64 2.6.50
Note that at this time I am NOT using cross-compilers. I am using the tools that come with my Linux Mint 18.3 installation. Yon can, of course, use a cross-compiler.
There is a top level Makefile in the root of the project that will automatically create the build directory, build the subprojects and generate a bootable image.
Building with defaults (using the host's toolchain)
Building for a different architecture (using the host's toolchain)
make ARCH=ia32 make ARCH=x86_64
Building using a cross-compiler (in which case
ARCHwill be ignored and determined by calling the cross compiler)
make CROSS_COMPILE=ia32-elf- make CROSS_COMPILE=x86_64-elf-
Create an bootable image
Run the image in the emulator