Member Avatar for WanderingCoder

I just installed gcc 4.9 (with C11 support), and want to add it to Xcode 4.6.3's build options as a compiler option. I ran make and make install, and the packages are all there (under /usr/bin/gcc. Running gcc --version confirms that gcc 4.9 is installed rather than an older version.

When I go into an existing Xcode project's build settings, the only compiler options available are

  • Apple LLVM compiler 4.2

  • LLVM GCC 4.2

  • Other...

Clearly, GCC 4.9 would have to be added using the "Other..." option, although I'm not sure how. I've tried inputting the path to gcc (/usr/bin/gcc), although the default value for other isn't a path at all: com.apple.compilers.llvmgcc42.

I've also tried following the instructions from the answer to this question on StackOverflow as well, but the machine I'm on doesn't have the /Developer directory at all, since I believe Apple integrated the developer tools that required (and created) this directory into Xcode.

How do I add gcc 4.9 as a compiler option in Xcode?

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  • Latest Post Latest Post by rubberman
Member Avatar for rubberman

Not having a mac I can't say how to configure Xcode to accept the new compiler; however, my wife does have one and does serious computer systems work for a major physics lab, so I'll ask her. Just be patient - she's getting ready for a family visit tomorrow... :-)

Member Avatar for rubberman

We (wife and I) are conversing via email about this right now. I'll let you know what she says.

Member Avatar for rubberman

Ok. What we find is this - there isn't a GCC 4.9 for the Mac as yet. The latest is 4.8. Either you are trying to run a beta version, or you are mistaken - though they have been wrong once or twice before (ok - maybe once). The other thing is that using xcode as a build environment can be a real PITA to configure for tools other than what they (Apple) provide. It depends a lot upon the project according to the boffins at Fermi Lab. IE, you will be playing whack-a-mole for awhile to get it to work. Their recommendation is to revert to "old tech" - a command line terminal and a Makefile... :-) Anyway, that's what they do to build Mac software.

Sorry, but this is a good as I can do to help you... :-(

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