Easy way to install command line clang and git.
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Matthias Melcher
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@ -16,7 +16,7 @@ _README.macOS.md - Building FLTK under Apple macOS_
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* [Installing FLTK](#bcx_install)
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* [Creating new Projects](#bcx_new_projects)
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* [How to Build FLTK using _CMake_ AND _make_](#build_cmake_make)
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* [How to Build FLTK using _CMake_ and _make_](#build_cmake_make)
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* [Prerequisites](#bcm_prerequisites)
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* [Downloading FLTK and Unpacking](#bcm_download)
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* [Configuring FLTK](#bcm_config)
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@ -39,17 +39,17 @@ _README.macOS.md - Building FLTK under Apple macOS_
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<a name="introduction"></a>
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## INTRODUCTION
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## Introduction
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FLTK supports all macOS versions above 10.3 (Panther). See below for how to
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build FLTK applications that can run on all (old or recent) macOS versions.
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FLTK supports macOS version 10.3 Panther and above. At the time of writing (Jan. 2019),
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FLTK compiles and runs fine on the most recent macOS 10.14 Mojave.
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FLTK 1.4 supports the following build environments on the macOS
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platform:
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- _autoconf_ and _make_ from the command line
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- _cmake_ and _make_ from the command line
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- _cmake_ and _Xcode_
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* [_cmake_ and _Xcode_](#build_cmake_xcode), no shell needed
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* [_cmake_ and _make_](#build_cmake_make) from the command line
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* [_autoconf_ and _make_](#build_autoconf_make) from the command line
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All environments will generate Unix style static libraries and macOS style app bundles.
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@ -57,24 +57,24 @@ All environments will generate Unix style static libraries and macOS style app b
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<a name="build_cmake_xcode"></a>
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## How to Build FLTK Using _CMake_ and _Xcode_
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TODO: This option is best for users who like to develop their apps without using Apple's Xcode IDE.
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Users should be comfortable with using `bash` or `tcsh` in a terminal window.
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This option is best for users who like to develop their apps using Apple's Xcode IDE. There
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is no need to ever use a command line shell in this configuration.
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<a name="bcx_prerequisites"></a>
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### Prerequisites (CMake, Xcode)
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In order to build FLTK from the command line, you need to install a C++ compiler
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environment, `make` and `autoconf`. _Xcode_ is the easiest way to install all prerequisites,
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even if you don't plan to use it as your iDE.
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In order to build FLTK, you need to install _CMake_ and _Xcode_.
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"CMake is used to control the software compilation process using simple platform and
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compiler independent configuration files, and generate native makefiles and workspaces
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that can be used in the compiler environment of your choice."
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Please download and install the Mac OS X version of _CMake_ from
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[www.cmake.org](https://cmake.org/download/).
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_Xcode_ can be downloaded via the
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[App Store](https://itunes.apple.com/de/app/xcode/id497799835?l=en&mt=12).
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After downloading and installing, you need to launch the Terminal. _Terminal.app_
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is located in the _Utilities_ folder inside the _Applications_ folder. I like
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to keep the Terminal in the Dock for future use (launch Terminal, right-click or control-click
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on the Terminal icon that is now in the docking bar, and choose _Options_->_Keep in Dock_).
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<a name="bcx_download"></a>
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### Downloading and Unpacking (CMake, Xcode)
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@ -324,17 +324,30 @@ Users should be comfortable with using `bash` or `tcsh` in a terminal window.
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### Prerequisites (autoconf. make)
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In order to build FLTK from the command line, you need to install a C++ compiler
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environment, `make` and `autoconf`. _Xcode_ is the easiest way to install all prerequisites,
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even if you don't plan to use it as your iDE.
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environment, `make` and `autoconf`. Installing the _Xcode_ command line tools is the easiest
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way to get all prerequisites in one simple step.
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_Xcode_ can be downloaded via the
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[App Store](https://itunes.apple.com/de/app/xcode/id497799835?l=en&mt=12).
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After downloading and installing, you need to launch the Terminal. _Terminal.app_
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is located in the _Utilities_ folder inside the _Applications_ folder. I like
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to keep the Terminal in the Dock for future use (launch Terminal, right-click or control-click
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Launch _Terminal.app_. It is located in the _Utilities_ folder inside the _Applications_ folder.
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I like to keep the Terminal in the Dock for future use (launch Terminal, right-click or control-click
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on the Terminal icon that is now in the docking bar, and choose _Options_->_Keep in Dock_).
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See if we already have a current C++ compiler installed. Type
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```bash
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clang
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```
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If the command line tools are already available, the response will be
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`clang: error: no input files`, and you are done. Continue with downloading FLTK.
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If the command line tools were not installed yet, a dialog box will pop up, claiimig "_The
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clang command requires the command line developer tools. Would you like to install
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the tools now?_". Simply click on _Install_ and wait for the tools to be installed.
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On older versions of macOS, you will have to install _Xcode_ from the
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[App Store](https://itunes.apple.com/de/app/xcode/id497799835?l=en&mt=12)
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and then install the command line tools from within _Xcode_.
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<a name="bam_download"></a>
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### Downloading and Unpacking
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