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96 lines
3.2 KiB
Markdown
96 lines
3.2 KiB
Markdown
# amiga-gcc
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The GNU C-Compiler with Binutils and other useful tools for cross development
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This is a Makefile based approach to build the same files as in the old amigaos-toolchain to reduce the build time.
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Right now these tools are build:
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* binutils
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* gcc with libs for C/C++/ObjC
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* fd2sfd
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* fd2pragma
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* ira
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* sfdc
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* vbcc
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* vlink
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* libnix
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* ixemul (not really, but the headers are used)
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# Short Guide
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## Prerequisites
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### Centos
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`sudo yum install gcc gcc-c++ python git perl-Pod-Simple gperf patch autoconf automake make makedepend bison flex ncurses-devel gmp-devel mpfr-devel libmpc-devel gettext-devel texinfo`
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### Ubuntu
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`sudo apt install make git gcc g++ lhasa libgmp-dev libmpfr-dev libmpc-dev flex bison gettext texinfo ncurses-dev`
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### macOS
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Install Homebrew (https://brew.sh/) or any other package manager first. The compiler will be installed together with XCode. Once XCode and Homebrew are up install the required packages:
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`brew install bash make lhasa gmp mpfr mpc flex gettext texinfo`
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By default macOS uses an outdated version of bash. Therefore, on macOS host always pass the the SHELL=/usr/local/bin/bash parameter (or any other valid path pointing to bash), e.g.:
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```
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make all SHELL=/usr/local/bin/bash
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```
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On macOS it may be also necessary to point to the correct compiler version (there is a gcc wrapper for clang, which can produce compile errors!), e.g.:
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```
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CC=clang CXX=clang++ make all SHELL=/usr/local/bin/bash
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```
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**ALSO NOTE** If you want `m68k-amigaos-gdb` then you have to build it with `gcc`
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### Windows with Cygwin
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Install cygwin via setup.exe and add wget. Then open cygwin shell and run:
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```
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wget https://raw.githubusercontent.com/transcode-open/apt-cyg/master/apt-cyg
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install apt-cyg /bin
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apt-cyg install gcc-core gcc-g++ python git perl-Pod-Simple gperf patch automake make makedepend bison flex libncurses-devel python-devel gettext-devel libgmp-devel libmpc-devel libmpfr-devel
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```
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### Windows with msys2
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```
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pacman -S git base-devel gcc flex gmp-devel mpc-devel mpfr-devel ncurses-devel rsync
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```
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### Ubuntu running on the Windows 10 Linux subsystem
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tbd
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## Howto Clone and Download All You Need
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```
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git clone https://github.com/bebbo/amiga-gcc
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cd amiga-gcc
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make update
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```
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## Overview
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```
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make help
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```
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yields:
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```
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make help display this help
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make all build and install all
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make <target> builds a target: binutils, gcc, fd2sfd, fd2pragma, ira, sfdc, vbcc, vlink, libnix, ixemul, libgcc
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make clean remove the build folder
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make clean-<target> remove the target's build folder
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make clean-prefix remove all content from the prefix folder
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make update perform git pull for all targets
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make update-<target> perform git pull for the given target
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```
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display which targets can be build, you'll mostly use
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*`make all`
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*`make clean`
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*`make clean-prefx`
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## Prefix
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The default prefix is `/opt/amiga`. You may specify a different prefix by adding `PREFIX=yourprefix` to make command. E.g.
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```
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make all PREFIX=/here/or/there
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```
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## Building
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Simply run `make all`. Also add -j to speedup the build.
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```
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make clean
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make clean-prefix
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date; make all -j3 >&b.log; date
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```
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takes roughly 10 minutes on my laptop running ubuntu. takes forever running cygwin on windows^^.
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