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-# How to download, compile and install FreeOberon on macOS
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-
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-This is a step by stop instruction how to get, compile and run FreeOberon.
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-
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-- FreeOberon (FreeOberon) is a frontend with a text editor like Turbo Pascal for DOS
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-- ofront+ (OfrontPlus) is a Oberon to C source code translator
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-- OfrontPlus bootstrap (OfrontPlus-bootstrap) - some lowlevel bootstrap code differs for every target machine
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-
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-
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-## Step 1 - Requirements
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-
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-Make sure you have the following packages installed.
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-
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-### Install Allegro5
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-
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-```
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-% brew install allegro
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-```
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-(If you do not have brew, install it, see https://brew.sh )
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-
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-For more details about Allegro5, see https://github.com/liballeg/allegro5
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-
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-If you are not sure if you have Allegro alredy installed.
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-```
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-% brew info allegro
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-==> allegro: stable 5.2.10.1 (bottled), HEAD
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-C/C++ multimedia library for cross-platform game development
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-https://liballeg.org/
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-Installed
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-...
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-```
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-
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-
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-
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-## Step 2 - Create a working folder
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-
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-Open Terminal and create a working folder.
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-
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-For example:
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-
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-```
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-% mkdir FreeOberon
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-% cd FreeOberon
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-```
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-
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-
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-## Step 3 - Download FreeOberon, ofront+ and OfrontPlus-bootstrap
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-
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-Choose Button Code, then Download ZIP.
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-
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-- Download zip FreeOberon, https://github.com/kekcleader/FreeOberon
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-- Download zip ofront+, https://github.com/Oleg-N-Cher/OfrontPlus
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-- Download zip https://github.com/Oleg-N-Cher/OfrontPlus-bootstrap
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-
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-Place all zip files into your working folder.
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-
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-
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-
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-## Step 4 - Unpack
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-
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-- macOS, open Finder, double click zip for every zip you downloaded before.
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-
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-Now you should have the follwing folder structure:
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-
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-```
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-FreeOberon-main/
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-OfrontPlus-master/
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-OfrontPlus-bootstrap-master/
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-
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-FreeOberon-main.zip
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-OfrontPlus-bootstrap-master.zip
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-OfrontPlus-master.zip
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-```
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-
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-
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-
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-## Step 5 - Copy bootstrap unix-88 to FreeOberon
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-
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-% cp ./OfrontPlus-bootstrap-master/unix-88/* ./OfrontPlus-master/Target/macOS/Obj
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-% cp ./OfrontPlus-bootstrap-master/unix-88/* ./OfrontPlus-master/Target/macOS/Lib/Obj
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-
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-
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-## Step 6 - compile libOfront
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-
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-```
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-% cd ./OfrontPlus-master/Target/macOS/Lib/Bin
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-% ./cc
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-```
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-
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-This creates
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-```
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-OfrontPlus-master/Target/macOS/Lib/libOfront.a
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-```
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-
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-
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-Go back to your WORKING folder:
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-
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-```
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-cd ../../../../..
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-```
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-
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-
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-
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-
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-
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-## Step 7 - compile ofront+ and tools
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-
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-
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-```
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-% cd ./OfrontPlus-master/Target/macOS/Bin
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-% ./cc
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-```
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-
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-
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-This will create:
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-
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-```
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-./Target/macOS/graphviz
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-./Target/macOS/ocat
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-./Target/macOS/odc2txt
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-./Target/macOS/oef
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-./Target/macOS/ofront+
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-./Target/macOS/omake
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-./Target/macOS/showdef
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-```
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-
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-
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-Go back to your WORKING folder:
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-
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-```
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-cd ../../../..
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-```
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-
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-
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-
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-
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-## Step 8 - check if ofront+ is working
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-
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-Check if the new ofront+ is working with
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-
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-```
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-% ./OfrontPlus-master/Target/macOS/ofront+
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-```
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-
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-It should display something like this:
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-
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-```
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-Ofront+ (TM) - Oberon family of languages to C Translator v1.0
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-Copyright (c) Software Templ OG, 1995-2020 & VEDAsoft Oberon Club, 2013-2025
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-
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- command = "ofront+" options {file options}.
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- options = ["-" {option} ].
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- option = "m" | "s" | "e" | "i" | "r" | "x" | "a" | "p" | "t" | "f" | "d"
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- [ "1" | "2" | "C" | "7" | "3" ] [ "21" |"44" |"48" | "88" ].
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- "m": generate a main module (off)
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- "s": allow changing the symbol file (off)
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- "e": allow extending the module interface (off)
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- "i": include header and body prefix files (Module.h0/.c0) (off)
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- "r": check value ranges (off)
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- "x": check array indices (on)
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- "a": check assertions (on)
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- "p": pointer initialization (on)
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- "t": check type guards (on)
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- "f": allow "proper FOR" (concept by Oleg Komlev) (off)
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- "d": translate a module into dynamic library (.dll/.so) (off)
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- "w": UTF-8 to UCS-2 wide character transcoding enabled (off)
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- "1": Oberon "2": Oberon-2 "C": Component Pascal "7": Oberon-07 "3": Oberon-3
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- "21": 16-bit addresses, SIZE(SET) = 1 byte (e.g. Zilog Z80 CPU)
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- "44": 32-bit addresses, 32-bit alignment (32-bit UNIX/Linux on x86)
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- "48": 32-bit addresses, 64-bit alignment (32-bit Windows, 32-bit Linux/ARMv7)
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- "88": 64-bit addresses, 64-bit alignment (64-bit platforms)
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-```
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-
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-
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-
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-
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-
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-
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-
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-
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-## Step 9 - Put OfontPlus in place to FreeOberon
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-
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-
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-Rename old folder for backup:
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-
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-```
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-% mv FreeOberon-main/Data/bin/OfrontPlus FreeOberon-main/Data/bin/OfrontPlus-NOT-USED
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-```
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-
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-Copy the wohle OfrontPlus-master to your FreeOberbon OfrontPlus folder:
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-
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-```
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-% cp -R ./OfrontPlus-master/ ./FreeOberon-main/Data/bin/OfrontPlus
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-```
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-
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-
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-
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-
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-
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-
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-## Step 10 - compile if ofront+ Lib/Bin
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-
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-```
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-% cd ./FreeOberon-main/Data/bin/OfrontPlus/Target/macOS/Lib/Bin
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-% ./build
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-```
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-
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-Output:
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-
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-```
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-Heap.cp translating Heap new symbol file 20010
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-Platform.Unix.cp translating Platform new symbol file 23040
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-Console.cp translating Console new symbol file 4907
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-Kernel.cp translating Kernel new symbol file 4968
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-CmdArgs.Unix.cp translating CmdArgs new symbol file 4060
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-Math.cp translating Math new symbol file 21309
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-MathL.cp translating MathL new symbol file 21743
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-Reals.cp translating Reals new symbol file 10584
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-Strings.cp translating Strings new symbol file 11155
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-Files.cp translating Files new symbol file 35070
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-Modules.cp translating Modules new symbol file 3365
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-Texts.cp translating Texts new symbol file 56426
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-Oberon.cp translating Oberon new symbol file 3062
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-ecoBigSets.cp translating ecoBigSets new symbol file 6307
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-ecoBuffer.cp translating ecoBuffer new symbol file 1303
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-ecoListen.cp translating ecoListen new symbol file 3277
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-ecoLists.cp translating ecoLists new symbol file 12453
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-ecoParser.cp translating ecoParser new symbol file 21057
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-ecoVector.cp translating ecoVector new symbol file 8679
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-Zlib.ob2 translating Zlib new symbol file 2463
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-ZlibBuffers.ob2 translating ZlibBuffers new symbol file 6540
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-ZlibDeflate.ob2 translating ZlibDeflate new symbol file 69756
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-ZlibInflate.ob2 translating ZlibInflate new symbol file 54967
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-ZlibReaders.ob2 translating ZlibReaders new symbol file 4659
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-ZlibWriters.ob2 translating ZlibWriters new symbol file 6290
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-Zip.ob2 translating Zip new symbol file 25496
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-oo2cAscii.cp translating oo2cAscii new symbol file 240
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-oo2cConvTypes.cp translating oo2cConvTypes new symbol file 629
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-oo2cLongStrings.cp translating oo2cLongStrings new symbol file 18119
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-oo2cRandomNumbers.cp translating oo2cRandomNumbers new symbol file 1753
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-oo2cStrings.cp translating oo2cStrings new symbol file 16056
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-powStrings.cp translating powStrings new symbol file 20381
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-SDL2.cp translating SDL2 new symbol file 7748
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-SDL2mixer.cp translating SDL2mixer new symbol file 3963
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-SQLite.cp translating SQLite new symbol file 1035
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-Out.cp translating Out new symbol file 11490
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-In.cp translating In new symbol file 5689
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-Graph.cp translating Graph new symbol file 56349
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-Sound.cp translating Sound new symbol file 1585
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-Turtle.cp translating Turtle new symbol file 5127
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-libCurl.cp translating libCurl new symbol file 662
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-NetHttp.cp translating NetHttp new symbol file 3921
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-arArgs.ob2 translating arArgs new symbol file 810
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-arC.ob2 translating arC new symbol file 41
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-arCFormat.ob2 translating arCFormat new symbol file 664
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-arChar.ob2 translating arChar new symbol file 1104
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-arCString.ob2 translating arCString new symbol file 1281
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-arDir.ob2 translating arDir new symbol file 2419
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-arMath.ob2 translating arMath new symbol file 1518
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-arSize.ob2 translating arSize new symbol file 1884
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-arStrings.ob2 translating arStrings new symbol file 7951
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-arStringList.ob2 translating arStringList new symbol file 4611
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-arStringAssoc.ob2 translating arStringAssoc new symbol file 4719
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-arText.ob2 translating arText new symbol file 15330
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-arStream.ob2 translating arStream new symbol file 4777
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-arFile.ob2 translating arFile new symbol file 8089
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-arOut.ob2 translating arOut new symbol file 2562
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-arPath.ob2 translating arPath new symbol file 1887
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-arPattern.ob2 translating arPattern new symbol file 11486
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-arErr.ob2 translating arErr new symbol file 2562
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-arConfiguration.ob2 translating arConfiguration new symbol file 28120
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-arValue.ob2 translating arValue new symbol file 57887
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-arFormat.ob2 translating arFormat new symbol file 11379
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-arJSON.ob2 translating arJSON new symbol file 11239
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-bbLinLibc.cp translating bbLinLibc new symbol file 6323
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-bbLinLibW.cp translating bbLinLibW new symbol file 2200
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-bbKernel.Unix.cp translating bbKernel new symbol file 10413
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-bbMath.cp translating bbMath new symbol file 16473
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-bbStrings.cp translating bbStrings new symbol file 41850
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-```
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-
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-
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-Back to working folder:
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-
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-```
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-% cd ../../../../../../../..
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-```
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-
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-
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-
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-Build OfrontPlus bin:
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-
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-
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-```
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-% cd ./FreeOberon-main/Data/bin/OfrontPlus/Target/macOS/Bin
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-% ./build
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-```
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-
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-Output:
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-
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-```
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-OfrontErrors.cp translating OfrontErrors new symbol file 19678
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-OfrontOPM.cmdln.cp translating OfrontOPM new symbol file 42996
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-OfrontOPS.cp translating OfrontOPS new symbol file 28147
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-OfrontOPT.cp translating OfrontOPT new symbol file 107556
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-OfrontOPB.cp translating OfrontOPB new symbol file 126989
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-OfrontOPP.cp translating OfrontOPP new symbol file 122247
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-OfrontOPC.cp translating OfrontOPC new symbol file 95485
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-OfrontOPV.cp translating OfrontOPV new symbol file 77696
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-BrowserCmd.cp translating BrowserCmd main program 30742
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-ImportGraph.cp translating ImportGraph main program 19081
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-OCatCmd.cp translating OCatCmd main program 1777
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-OfrontCmd.cp translating OfrontCmd main program 3229
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-OdcToText.ob3 translating OdcToText main program 14612
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-OEF.ob2 translating OEF main program 10709
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-OMake.ob2 translating OMake main program 26579
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-```
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-
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-
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-
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-This creates updates also a new libOftront.a
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-
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-```
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-./macOS/Lib/libOfront.a
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-```
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-
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-
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-Back to working folder:
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-
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-```
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-cd ../../../../../../..
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-```
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-
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-
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-
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-## Step 11 - compile FreeOberon
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-
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-
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-```
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-% cd FreeOberon-main
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-% bash ./install.sh
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-```
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-
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-
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-```
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- This script will install Free Oberon.
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-
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-Free Oberon dependencies are:
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- * Allegro5 - for the module Graph and the graphical IDE
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- * Git - to download Ofront+
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- * GCC - to compile the generated C-code
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-
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-You can find the information on how to install the dependencies
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-in the README.md file.
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-
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-Debian / Ubuntu / Linux Mint etc.:
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- sudo apt-get update
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- sudo apt-get install -y git gcc libc-dev liballegro5-dev liballegro-image5-dev liballegro-audio5-dev liballegro-acodec5-dev
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-or, if sudo is not installed (on Debian):
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- su
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- apt-get update
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- apt-get install -y git gcc libc-dev liballegro5-dev liballegro-image5-dev liballegro-audio5-dev liballegro-acodec5-dev
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-
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-Fedora:
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- sudo dnf install -y git gcc glibc-devel allegro5-devel allegro5-addon-image allegro5-addon-audio allegro5-addon-acodec allegro5-devel allegro5-addon-image-devel allegro5-addon-audio-devel allegro5-addon-acodec-devel
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-
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-Arch Linux:
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- sudo pacman -Sy git gcc pkgconf glibc allegro
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-
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-openSUSE:
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- sudo zypper install -y git gcc glibc-devel liballegro5_2-devel liballegro_audio5_2-devel liballegro_image5_2-devel liballegro_primitives5_2-devel liballegro_dialog5_2-devel liballegro_acodec5_2-devel liballegro_acodec5_2-devel liballegro_font5_2-devel
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-
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- Are the dependencies installed? [y/n] y
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-
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-
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- Downloading Ofront+...
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- ~~~~~~~~~~~~~~~~~~~~~~
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- Ofront+ already present.
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- If there are errors in installation process, delete Data/bin/OfrontPlus
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-
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- Building Ofront+...
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- ~~~~~~~~~~~~~~~~~~~
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-OfrontErrors.cp translating OfrontErrors 19678
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-OfrontOPM.cmdln.cp translating OfrontOPM 42996
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-OfrontOPS.cp translating OfrontOPS 28147
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-OfrontOPT.cp translating OfrontOPT 107556
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-OfrontOPB.cp translating OfrontOPB 126989
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-OfrontOPP.cp translating OfrontOPP 122247
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-OfrontOPC.cp translating OfrontOPC 95485
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-OfrontOPV.cp translating OfrontOPV 77696
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-BrowserCmd.cp translating BrowserCmd main program 30742
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-ImportGraph.cp translating ImportGraph main program 19081
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-OCatCmd.cp translating OCatCmd main program 1777
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-OfrontCmd.cp translating OfrontCmd main program 3229
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-OdcToText.ob3 translating OdcToText main program 14612
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-OEF.ob2 translating OEF main program 10709
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-OMake.ob2 translating OMake main program 26579
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-
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- Building Free Oberon...
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- ~~~~~~~~~~~~~~~~~~~~~~~
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-Config.Mod translating Config new symbol file 521
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-Func.Mod translating Func new symbol file 483
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-Utf8.Mod translating Utf8 new symbol file 5825
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-Strings.Mod translating Strings new symbol file 7897
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-Reals.Mod translating Reals new symbol file 15180
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-Int.Mod translating Int new symbol file 3052
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-Time.Mod translating Time new symbol file 2640
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-In.Mod translating In new symbol file 8553
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-Out.Mod translating Out new symbol file 5624
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-Debug.Mod translating Debug new symbol file 1735
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-Args.Mod translating Args new symbol file 1250
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-Env.Mod translating Env new symbol file 7266
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-Files.Mod translating Files new symbol file 40029
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-Texts.Mod translating Texts new symbol file 23418
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-Random.Mod translating Random new symbol file 1708
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-StrList.Mod translating StrList new symbol file 4534
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-Dir.Mod translating Dir new symbol file 5624
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-Allegro5.Mod translating Allegro5 new symbol file 15576
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-Graph.Mod translating Graph new symbol file 77947
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-Sound.Mod translating Sound new symbol file 2750
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-TermBox.Mod translating TermBox new symbol file 32464
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-Term.Mod translating Term new symbol file 1074
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-OV.Mod translating OV new symbol file 90505
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-FoStrings.Mod translating FoStrings new symbol file 6937
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-EditorText.Mod translating EditorText new symbol file 28820
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-Editor.Mod translating Editor new symbol file 66519
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-Builder.Mod translating Builder new symbol file 36655
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-FreeOberon.Mod translating FreeOberon main program 62964
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-Fob.Mod translating Fob main program 4846
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-FreeOberon.c:454:9: warning: passing arguments to 'ProcessFinished' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
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- 454 | if (Term_ProcessFinished(&err)) {
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- | ^
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-./Term.oh:14:51: note: expanded from macro 'Term_ProcessFinished'
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- 14 | #define Term_ProcessFinished(err) ProcessFinished(err)
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- | ^
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-FreeOberon.c:492:23: warning: passing 'CHAR[2048]' (aka 'unsigned char[2048]') to parameter of type 'char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Wpointer-sign]
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- 492 | Term_WriteToProcess(buf, 2048, bufLen);
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- | ^~~
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-./Term.oh:21:65: note: expanded from macro 'Term_WriteToProcess'
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- 21 | #define Term_WriteToProcess(buf, buf__len, len) WriteToProcess(buf, len)
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- | ^~~
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-./term/term.h:6:26: note: passing argument to parameter 'buf' here
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- 6 | int WriteToProcess(char *buf, int len);
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- | ^
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-FreeOberon.c:523:29: warning: passing 'CHAR[2]' (aka 'unsigned char[2]') to parameter of type 'char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Wpointer-sign]
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- 523 | Term_WriteToProcess(buf, 2, 1);
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- | ^~~
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-./Term.oh:21:65: note: expanded from macro 'Term_WriteToProcess'
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- 21 | #define Term_WriteToProcess(buf, buf__len, len) WriteToProcess(buf, len)
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- | ^~~
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-./term/term.h:6:26: note: passing argument to parameter 'buf' here
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- 6 | int WriteToProcess(char *buf, int len);
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- | ^
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-FreeOberon.c:603:27: warning: passing 'CHAR[2048]' (aka 'unsigned char[2048]') to parameter of type 'char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Wpointer-sign]
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- 603 | if (Term_StartProcessIn(s, 2048, d, 2048)) {
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- | ^
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-./Term.oh:20:75: note: expanded from macro 'Term_StartProcessIn'
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- 20 | #define Term_StartProcessIn(cmd, cmd__len, dir, dir__len) StartProcessIn(cmd, dir)
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- | ^~~
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-./term/term.h:4:26: note: passing argument to parameter 'process' here
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- 4 | int StartProcessIn(char *process, char *dir);
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- | ^
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-FreeOberon.c:603:36: warning: passing 'CHAR[2048]' (aka 'unsigned char[2048]') to parameter of type 'char *' converts between pointers to integer types where one is of the unique plain 'char' type and the other is not [-Wpointer-sign]
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- 603 | if (Term_StartProcessIn(s, 2048, d, 2048)) {
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- | ^
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-./Term.oh:20:80: note: expanded from macro 'Term_StartProcessIn'
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- 20 | #define Term_StartProcessIn(cmd, cmd__len, dir, dir__len) StartProcessIn(cmd, dir)
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- | ^~~
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-./term/term.h:4:41: note: passing argument to parameter 'dir' here
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- 4 | int StartProcessIn(char *process, char *dir);
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- | ^
|
|
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-5 warnings generated.
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|
-
|
|
|
- Done building Free Oberon
|
|
|
- ~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
-
|
|
|
- Free Oberon is installed. You can now run: ./FreeOberon
|
|
|
- Add the following line to ~/.bashrc to use the command fob:
|
|
|
- export PATH=/Volumes/Apps/Emulators/FreeOberon--2025-04apr-29/FreeOberon-main:$PATH
|
|
|
- To run Free Oberon IDE in a specific language, type ./FreeOberon --lang ru
|
|
|
- To run Free Oberon IDE in a a window, type ./FreeOberon --window
|
|
|
-```
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-Add the following line to ~/.bashrc to use the command fob:
|
|
|
-```
|
|
|
-export PATH=/Volumes/Apps/Emulators/FreeOberon--2025-04apr-29/FreeOberon-main:$PATH
|
|
|
-```
|
|
|
-
|
|
|
-```
|
|
|
-% export PATH=/Volumes/Apps/Emulators/FreeOberon/FreeOberon--2025-05may-19-3--manually/FreeOberon-main:$PATH
|
|
|
-```
|
|
|
-
|
|
|
-% ./fob
|
|
|
-```
|
|
|
-Free Oberon Compiler version 1.1.0-alpha.8
|
|
|
-Copyright (c) 2017-2025 by Arthur Yefimov and others.
|
|
|
-Fob uses Ofront+ and GCC (MinGW).
|
|
|
-
|
|
|
-Usage:
|
|
|
- fob sourceFile
|
|
|
- fob --lang ru sourceFile
|
|
|
-
|
|
|
-Please specify a single file name - the main module source
|
|
|
-```
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-## run examples and FreeOberon IDE
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-```
|
|
|
-% ./fob ./Programs/Examples/DirTest.Mod
|
|
|
-```
|
|
|
-
|
|
|
-```
|
|
|
-% ./DirTest
|
|
|
-[.]
|
|
|
-[..]
|
|
|
-[Programs]
|
|
|
-[_Build]
|
|
|
-[Data]
|
|
|
-...
|
|
|
-```
|
|
|
-
|
|
|
-
|
|
|
-```
|
|
|
-./fob ./Programs/Examples/FlyingDot.Mod
|
|
|
-./FlyingDot
|
|
|
-```
|
|
|
-
|
|
|
-
|
|
|
-Run FreeOberon IDE
|
|
|
-
|
|
|
-```
|
|
|
-./FreeOberon
|
|
|
-```
|
|
|
-
|
|
|
-Menu File, Load ./Examples/Mandelbrot.Mod
|
|
|
-Menu Compile, Compile
|
|
|
-Be patient, it will calculate Mandelbrot set afer a few seconds and shows:
|
|
|
-
|
|
|
-
|
|
|
-Depending on your graphics you need to adjust it.
|
|
|
-
|
|
|
-Change:
|
|
|
-BEGIN G.Settings(320, 200, {G.exact});
|
|
|
-To: 2048, 1152 for example.
|
|
|
-Or use fullscreen: G.Settings(0, 0, {G.fullscreen});
|
|
|
-Or use windowing monde: G.Settings(640, 480, {G.exact, G.window});
|
|
|
-
|
|
|
-
|
Michael