Open finder, select applications and then drag the eclipse icon from desktop the the application folder in finder. 6) Installation is done, you can now launch the eclipse by clicking the icon in applications. Alternatively, you can drag the icon from applications to the dock so that you can launch it directly from the desktop.

1. Setting up Eclipse CDT on Windows, Linux/Unix, Mac OS X 2. The disadvantage that they are only available for one operating system. Eclipse, however, was written as a cross-platform development environment. Initially just written for Java, it also has a very good C/C+.
2. CLion, Netbeans, and Xcode are probably your best bets out of the 11 options considered. 'Great code completion' is the primary reason people pick CLion over the competition. This page is powered by a knowledgeable community that helps you make an informed decision.
3. Download the Eclipse Installer. Eclipse is hosted on many mirrors around the world.

The format of Mac OS X applications has changed in Eclipse Mars to make Eclipse and Eclipse-based applications look more like native OS X applications. This format change was done in a way that is not backwards compatible, however SDC can work around this issue and will not put your users into a broken state.
What does this mean for you? It means if you want to upgrade your existing package to Eclipse 4.5.0 on OS X, you have to run a two stage upgrade flow or run the package’s installer. Because the old provisioning software doesn’t know how to interpret the new format, a single stage upgrade will not be offered to users.

Your options for addressing this issue are as follows:

Option	Steps	Effects
Delayed Update	Revert your changes to the package. Promote the package without changes to take updates to the SDC in-product software updates plugin. Give your users enough time to take the update. You can enable mandatory updates on your package’s security policy to help force adoption. Change the version of the base software to the new version you desire and promote again.	Users who take the first update will see updates as normal going forward. Users who miss the first update or install snapshot versions of this package from before the SDC update will no longer receive in-product updates.
Use a New Package	Create a new package (or clone an existing one) Update that package to the new version of your base software Leave this package on the current version of its base software.	All users who need the new version must switch to the new package. You can help your users migrate to the new package with a notification.
Disable Mac OSX Support for the Package	Turn off Mac OSX support for the package in your its access policy. Promote the access policy Promote the package.	Existing Mac users, if any, will no longer get in-product updates. Windows and Linux users are able to continue using this package without interruption.
Immediate Update	Continue with your promote.	Mac OSX installations will no-longer get in-product updates and users will have to run the new installer.

In instances where your Mac installations are no longer receiving updates due to this installation change (Delayed Updates and Immediate Update options above), a notification will automatically be displayed in Mac OSX telling the user to run the installer. Please refer to this documentation for ways to customize this notification.
If you have any questions about these options, please cancel this promote and submit a support request. We are more than happy to help you with your upgrade process! Home » Language IDEs » C / C++ IDE (CDT) » Mars2 on Mac OS X: LLVM with clang (Mac OS X) not available?(Cannot select 'LLVM with clang (Mac OS X)' toolchain on Mac OS X)

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Mars2 on Mac OS X: LLVM with clang (Mac OS X) not available?[message #1728837] Thu, 07 April 2016 18:30 Uri Blumenthal Messages: 2 Registered: April 2016 I am trying to use Eclipse MARS2 (on Mac OS X 10.10.5 and 10.11.4) for Java and C++ development. With Java - so far so good. With C++, CDT only allows me GCC-based toolchains (when 'Display compatible toolchains only' is selected). The toolchain in question appears available, as evidenced here: When I force CDT to accept 'LLVM with clang (Mac OS X)' toolchain by unchecking the 'Display compatible...' checkbox and selecting it, the entire CDT menu becomes screwed up and throws a null-pointer exception. There is no way (that I know of) to recover, because I cannot go back to that menu and select something else. Here's the .log contents: Attachment:CDT-only-compatible.png (Size: 35.50KB, Downloaded 2861 times) Attachment:CDT-all.png (Size: 79.04KB, Downloaded 2622 times) Attachment:CDT-problem.png (Size: 52.83KB, Downloaded 2342 times)

Re: Mars2 on Mac OS X: LLVM with clang (Mac OS X) not available?[message #1728941 is a reply to message #1728837] Fri, 08 April 2016 14:12 Marc-André Laperle Messages: 256 Registered: July 2009 The LLVM toolchain is not very maintained or tested. But if you select MacOS GCC is should work and it will use Clang underneath anyway. [Updated on: Fri, 08 April 2016 14:13]

Re: Mars2 on Mac OS X: LLVM with clang (Mac OS X) not available?[message #1728974 is a reply to message #1728941] Fri, 08 April 2016 18:54 Uri Blumenthal Messages: 2 Registered: April 2016 I would be happy to help testing it. But if this (LLVM) toolchain is lacking resources (i.e., authors are too busy to properly maintain it), that of course is a different story. The fact is, on my Mac there are several compilers: native Xcode (clang and gcc - and I'd rather not use this gcc), and Macports-installed (gcc-5.3 and clang-3.7). The main difference between them is - they shine at different things, but require different flags. As I see, MacOS GCC toolchain uses gcc/g++ (the one supplied by Xcode). To me it's the worst of these two worlds. I can manually change the compiler, linker, etc. (and it is simple enough), but I don't remember all the flags that LLVM toolchain uses for LLVM (such as --emit-llvm). Is it practical to get the LLVM toolchain debugged? Or I shouldn't waste my (and others') time, and just reconfigure MacOS GCC toolchain?

Re: Mars2 on Mac OS X: LLVM with clang (Mac OS X) not available?[message #1728976 is a reply to message #1728974] Fri, 08 April 2016 19:46 Marc-André Laperle Messages: 256 Registered: July 2009 I don't think the person who contributed the toolchain is much around anymore or working on it actively. But I'd be glad to review any proposed changes. I do have a Mac so I can test and merge your changes if you have some to propose. If you want to get quickly started, I suggest using the 'Eclipse Installer' (Oomph) to set up everything for you. https://wiki.eclipse.org/Getting_started_with_CDT_development#Using_Oomph Once the code is cloned and everything, the interesting code is in org.eclipse.cdt.managedbuilder.llvm.ui Hope this helps!

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