Apple’s Xcode development system is superb for developing applications, but sometimes you just want to write C or C++ code for research or school. Composing a serious chunk of code with ![Mac Mac](/uploads/1/2/6/2/126265565/938714909.jpg)
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What’s the Motivation?
Code::Blocks is a free C, C++ and Fortran IDE built to meet the most demanding needs of its users. It is designed to be very extensible and fully configurable. Finally, an IDE with all the features you need, having a consistent look, feel and operation across platforms. I recently bought a macbook and was wondering if I can write C and C++ programs on mac without having to install anything more. C and C++ programming on MacBook. Apple is charging 5$ for the download. So you could either decide to pay this, or download the previous version (Xcode 3) The main page for Xcode is this. There you will find. Now we have two Visual Studio versions (Visual Studio for Mac, Visual Studio Code) that can directly install on the Mac (macOS), refer to your description, it looks like you installed the Visual Studio for Mac, it is a developer environment optimized for building mobile and cloud apps with Xamarin and.NET. Now we have two Visual Studio versions (Visual Studio for Mac, Visual Studio Code) that can directly install on the Mac (macOS), refer to your description, it looks like you installed the Visual Studio for Mac, it is a developer environment optimized for building mobile and cloud apps with Xamarin and.NET.
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At work recently, my wife was chatting with a colleague who was taking his first C++ class. She taught him how to use Eclipse on a Mac, even though he resisted at first. However, later, he came back and commented that the other students were trying to manage ever increasingly complex projects with the vi editor. It was taking them four, six, or even 20 hours in some cases to complete their homework each week. He finished his, typically, in 30 minutes. That’s the power of an IDE with a modern debugger. That last item, the debugger, can’t be emphasized enough. Print statements in your code are oh, so yesteryear with a tool like this. Time is money, and efficiency reflects on you as a programmer.So if you’re a scientist, researcher or engineer who wants to write some research code, not intended as a GUI app, in Java, C, C++ or Fortran, you need to dump vi as an editor* (or Emacs or Nedit or whatever) immediately and get with this kind of IDE. Things are moving far too fast nowadays not to make this important move. (Clearly, I’m speaking to an older crowd here.**)
To be perfectly clear, Apple’s Xcode is a fabulous development system for C, C++, Objective-C and even Fortran 77***. You can build native OS X and iOS apps. But many researchers and scientists aren’t interested in Xcode. They’ve come from a Linux or other UNIX platform, like IBM’s AIX, and they just want to carry on their research in Eclipse on a Mac. This how-to is primarily for them. But, as I mentioned above, students who are taking their first programming class and own a Mac will also find this discussion useful — indeed mandatory. Remember, this is an introduction to whet your appetite and get you launched, not a complete Eclipse tutorial.
Also, this how-to for the sake of simplicity focuses on C/C++, but Eclipse can handle a myriad of languages, including, but not limited to, Java and Fortran. Let’s start with C/C++.
Getting the gcc Compiler
As an aside, when you install Apple’s Xcode (free from the Mac App Store only in Lion), gcc is automatically installed in /usr/bin. But if you have a mind to work with just Eclipse and gcc, you’ll need a way to install gcc without, if it pleases you, installing Apple’s Xcode first. (For reference, here’s a how-to on installing Xcode and gcc.)
There are at least two places I know of where you can get a gcc installer package for OS X:
- Developer Tools 4.0 Source
- The OS X High Performance Computing page at Sourceforge managed by Dr. Gaurav Khanna at the University of Mass.
If you find other sources, let us know.
Installing Eclipse
Here’s a handy reference on where to get Eclipse for the Mac. Version 3.7 (“Indigo”) installs nicely in Lion and seems to work okay, but our household hasn’t put it to a grueling acid test with OS X 10.7.1.Eclipse Download for CC++, 64-bitThe download is a …tar.gz file, so move it where you want the Eclipse directory to be because when you double click it, the package will be unzipped and untared right there. After Eclipse is installed, you’ll see it as an app, just like any other, with this icon.
It’s easy to create an alias to eclipse.app, if you wish, and place it in your /Application directory. Because the Eclipse IDE itself is written in Java, if you’re running a clean copy of Lion, you’ll need to download the Java runtime before the Eclipse app will launch. Just double-click on Eclipse, and it’ll trigger the required Java runtime download. Nothing else to do. If you’re in Snow Leopard, the Java runtime is already there.
Java runtime downloadThis first thing you’ll see when you run Eclipse is that it asks for the location of your workspace. I typically create a directory in /Users/john called Programming where I do any code development. (Which is not much these days.)
Workspace SelectionAfter you select your workspace, you’ll be confronted with an Eclipse peculiarity. A welcome page will be launched that brings a real feeling of WTF to many users. Here it is.
Welcome screenThe trick is to realize that the icon on the far right, circled in red above, takes you into the workbench. For that named workspace, this one time is the only time you’ll see that screen.
Once the IDE is launched, there are just a few details before you can build a project. Again, for simplicity, lets stay with C/C++. From the Eclipse File menu, select “New” and then C++ Project.
Eclipse - New ProjectExperienced Eclipse users know the drill. Name the project, make sure you’ve identified the location of your compiler in the Toolchain, and so on. (It may be different than the default install by Apple’s Xcode. The screen shot below shows Apple’s install of gcc, marked as MacOSX GCC, because I’d previously installed Xcode on that Mac.)
ConfigurationNewbies may want to select the Hello World project just to see how things get set up. Make sure you work your way through the setup with Next > at the bottom and don’t click the Finish button too soon. A more detailed examination of this set up and the ins-and-outs of Eclipse are beyond the scope of this getting started article. The goal here is simply an introduction for Mac users. And you’re not alone. There’s a huge body of knowledge on the Internet about Eclipse. Here’s a start.
If all went well, you’ll be in the Eclipse IDE with the Hello World program in the editor and a Make file already created. This environment is called the Eclipse workbench.
Eclipse Workbench w/ default “Hello World” codeIt may take you some start-up time to learn Eclipse, but trust me, coding the old way will soon bog you down. The Xcode and Eclipse developers learn from each other, so if you ever decide to get into OS X or iOS development, having earned your wings in Eclipse will pay huge dividends later.
__________________
* I’m qualified to say this because I’ve lived and breathed vi for a living in the past.
** Remember, a lot of people are going back to school, learning or refreshing their programming skills.
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*** You can write and compile Fortran 77 in Xcode with standard output, but you can’t access the Cocoa APIs and build native apps in F77.
Xcode 11 includes everything you need to create amazing apps and to bring your apps to even more devices. Take advantage of SwiftUI, an all-new user interface framework with a declarative Swift syntax. Start bringing your iPad app to Mac with just a click. And with support for Swift packages, Xcode 11 lets you share code among all of your apps or use packages created by the community.
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SwiftUI
Better apps. Less code.
SwiftUI is an innovative, exceptionally simple way to build user interfaces across all Apple platforms with the power of Swift. Build user interfaces for any Apple device using just one set of tools and APIs. With a declarative Swift syntax that’s easy to read and natural to write, SwiftUI works seamlessly with new Xcode design tools to keep your code and design perfectly in sync. SwiftUI is truly native, so your apps directly access the proven technologies of each platform to beautifully implement everything users love about the Apple ecosystem.
Declarative syntax. Write simpler code with a declarative Swift syntax that clearly states what your user interface should do.
Design tools. Drag and drop to construct or edit your interface. Quickly make changes to visual UI elements with pop-up inspectors.
Native on all Apple platforms. Your apps gain incredible native performance and take advantage of the proven technologies, controls, and user experiences of Apple platforms to feel fully integrated.
Live mode. See your design change instantly in one or many exact previews. Switch the design canvas to live mode to instantly interact with your running app in Xcode or on a connected device.
Bring your iPad App to Mac
Xcode makes it easy to get a huge head start on turning your existing iPad app into a native Mac app. Your Mac and iPad apps share the same project and source code, so any changes you make translates to both platforms. And your newly created Mac app runs natively, utilizing the same frameworks, resources, and even runtime environment as apps built just for Mac.
Swift and Swift Packages
Swift 5 is now built right into all Apple platforms and the binary interface for Swift is stable moving forward. Your apps will be smaller, download faster, and keep working as Swift continues to evolve.
Swift packages are integrated throughout all of Xcode 11, making it incredibly simple to use a package in your apps for Apple platforms. Just add a new package dependency to add an external package to your project., then clone the package from GitHub, Bitbucket, GitLab, or your own code host. Xcode checks the package dependencies and displays all the packages you use directly in the navigator.
It’s also easy to create your own packages to use with projects based on your own code, or to share with the world. Source code you put in these packages will be built into any apps that depend on the package, with support for all Apple platforms. Code in the package is still easy to debug, test, and use with source code management.
Dark Mode for iPhone and iPad
Dark Mode has been beautifully integrated throughout iOS, and Xcode 11 gives you powerful tools to easily support dark mode in your apps. Quickly switch your designs and previews between light and dark in Interface Builder, and preview both modes in SwiftUI, even side-by-side. Asset catalogs let you label assets and named colors with variants for light and dark. And you can switch your app in and out of dark mode while debugging. This is all done using controls within Xcode that only apply to your app, with no need to change your system settings.
Your Editor, Your Layout
Whether you prefer a single editor or split your windows into a precisely-arranged mosaic, Xcode 11 gives you total control over your coding area and the ability to split any editor pane. Editors can also show SwiftUI previews, live views of playgrounds, and a myriad of assistants. If you need to focus on just one file, you can click-zoom to maximize the pane, and return to exactly where you were before. The new minimap sidebar shows a birds-eye view of the open file, including highlights that make it easy to jump to the right place.
Your code looks better than ever with documentation comments with bold and italics rendered inline with your code. You can even inspect the differences in your current source edits compared to past versions, with a comparison view that updates as you type.
In-depth Testing
The updated Devices window lets you simulate your users’ environment, for example when your app is running in extreme heat or on a slow network. Test plans in Xcode 11 make it easy to automate a huge number of test and analysis steps, all to be run in parallel. For instance, you can select several sanitizer tools with conflicting build settings, and Xcode will run all the tests for you and automatically build all the versions you need.
Screenshots are now easy to automate with an API that saves screenshots to your results bundle during UI testing. Combined with testing your localized UI, it’s easy to take every screenshot you need to submit to the App Store, or to show your localization team.
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With even better support for Xcode Server and other continuous integration tools, you can constantly test your app in hundreds of user scenarios, easily and efficiently.