Xcode

This article applies to macOS only.

See also: Multiplatform Programming Guide

This article applies to iOS only.

See also: Multiplatform Programming Guide

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Overview

  Note: You do NOT need to install the Xcode IDE in order to get all the build utilities on which the Free Pascal Compiler depends, but you DO need to install the Command Line Tools. How to do so is explained below. You WILL need to install Xcode if you want access to the SDKs for iOS, iPadOS, watchOS, macOS, and tvOS.

Xcode is an integrated development environment for macOS containing a suite of software development tools developed by Apple for developing software for macOS, iOS, iPadOS, watchOS, and tvOS.

The Command Line Tools Package is a small self-contained package available for download separately from Xcode and that allows you to do command line development in macOS. It consists of the macOS SDK and command-line tools such as Clang, which are installed in the /Library/Developer/CommandLineTools directory.

Installing Command Line Tools: Mavericks 10.9 and higher

You can use any of the following methods to install command line tools on your system:

Install Xcode (includes Command Line Tools)

If you install Xcode, then there is no need to install the command line tools. Xcode comes bundled with all the command line tools. Mavericks 10.9 and later includes shims or wrapper executables. These shims, installed in /usr/bin, can map any tool included in /usr/bin to the corresponding one inside Xcode. xcrun is one of such shims, which allows you to find or run any tool inside Xcode from the command line. Use it to invoke any tool within Xcode from the command line. For example:

$ xcrun dwarfdump --uuid  MyApp.app/Contents/MacOS/MyApp 
UUID: 4CED1202-EB68-3991-A036-7146FB4D4E17 (x86_64) MyApp.app/Contents/MacOS/MyApp

Install Command Line Tools only

You can install the Command Line Tools package by opening a Terminal and running the following command:

sudo xcode-select --install

macOS comes bundled with xcode-select, a command-line tool that is installed in /usr/bin. It allows you to manage the active developer directory for Xcode and other BSD development tools. See its man page for more information.

In Mavericks 10.9 and later, software update notifies you when new versions of the command-line tools are available for update.

Installing Command Line Tools: Lion 10.7 or Mountain Lion 10.8

You will need to sign up for a free Apple developer account to login and access the Command Line Tools download. Go to https://developer.apple.com/downloads/ , log in, search for Command Line Tools and download the appropriate file. Mount the DMG file you downloaded and run the package installer.

Legacy Information

Xcode 7.0

• If after updating to Xcode 7 your projects fail to compile and you are using FPC 2.6.4 (or earlier), change your debug info type from "Automatic" to "Dwarf". Apple's assembler no longer supports .Stabs debug information (which is used by default on i386).
  • If your project is using packages you might need to switch these packages debug info to Dwarf as well. There're two ways to do that.

1. Change each package debug info. Open Project -> Project Inspector. For each package listed under "Required Packages", double-click on a package (to open package dialog), select "Options" and change debug info type under "Debugging" section

or

2. You can add the setting as a custom option for all packages used in the project. As show in the example on this page. But instead of using "-dSomeValue" put "-gw"

• Alternatively you could download the previous version 6.4
  • Download Xcode 6.4, and change the folder name to Xcode6.4 before copy to /Application
  • So you have two Xcode applications now, so switch your command line tools to using the ones from Xcode6.4:

# sudo xcode-select -switch /Applications/Xcode6.4.app

• more to come for ARM (iOS) target.

Xcode 5.0

Apple removed "gdb" from it's binary utilities. At the time, Lazarus was only able to use "gdb" as an external debugger. "Gdb" should be installed from a third party. See GDB on macOS.