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#!/usr/bin/env bash
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set -euo pipefail
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INSTALL_PREFIX=/opt/i386-pc-msdosdjgpp-toolchain
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# only use sudo when necessary
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if [ `id -u` -ne 0 ]; then
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SUDO=sudo
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else
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SUDO=""
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fi
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# Install dependencies on Debian / Ubuntu:
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install_system_deps() {
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if which apt-get 2>/dev/null; then
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set -x
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$SUDO apt-get update
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$SUDO apt-get install bison flex curl gcc g++ make texinfo zlib1g-dev tar bzip2 \
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gzip xz-utils unzip python3-dev m4 dos2unix nasm cmake
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{ set +x; } 2>/dev/null
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fi
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}
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# Build and install DJGPP
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build_and_install_djgpp() {
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git clone https://github.com/jwt27/build-gcc.git
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cd build-gcc
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$SUDO ./build-djgpp.sh --prefix="$INSTALL_PREFIX" --batch binutils gcc-14.2.0 djgpp-cvs
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cd -
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$SUDO rm -rf build-gcc
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}
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main() {
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set -x
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mkdir -p tmp/dos-prep
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cd tmp/dos-prep
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install_system_deps
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build_and_install_djgpp
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}
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main "$@"
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