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Can't find stdio.h and stdlib.h since upgrade to OSX 10.7.3 (Lion). gcc not found. [message #810147]

Wed, 29 February 2012 14:02

Phil Reinemann
Messages: 1
Registered: February 2012

Junior Member

Ever since I upgraded to Lion Eclipse for C++ it can't find basic header files like stdlib.h and stdio.h. It worked fine in Snow Leopard.

I finally found out how to add them. (Search in Help was a pain as it didn't find anything for "unresolved" or "inclusion" or "unresolved inclusion" or "inclu". It wasn't until I tried "inclu*" that it found what I needed.)

In any case, I added /Developer/SDKs/MacOSX10.6.sdk/usr/include to the include paths, but can someone tell me if I should have used "/Developer/SDKs" in case Apple decides to update the SDK to a later version?

Am I even using the correct include directory? (Does Eclipse come with its own?)

It's been a while since I had to manage make files, and then it was on a Bourne shell back in the 80's so I no longer remember the directory decension hierarchy that includes follow.

Is there a better way to handle this to protect against directory changes due to upgrades?

I'm also getting
Description Resource Path Location Type
Error launching external scanner info generator (gcc -E -P -v -dD /Users/Phil/Coding/.metadata/.plugins/org.eclipse.cdt.make.core/specs.c) HelloWorldNoTest [Discovery Options] page in project properties C/C++ Problem

What does that error mean?

and I'm also getting

Program 'gcc' is not found in $PATH HelloWorldNoTest [Discovery Options] page in project properties C/C++ Problem

Is this the PATH one defines in ~/.bashrc or is this another PATH defined within Eclipse C++ when it starts? (Such as in some ".eclipserc"? Where would that be?)

Phil

There are 10 kinds of people in this world: Those, who know binary, and those who don't.

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Re: Can't find stdio.h and stdlib.h since upgrade to OSX 10.7.3 (Lion). gcc not found. [message #810556 is a reply to message #810147]

Thu, 01 March 2012 03:43

Axel Mueller
Messages: 1830
Registered: July 2009

Senior Member

Quote:

Program 'gcc' is not found in $PATH HelloWorldNoTest [Discovery Options] page in project properties C/C++ Problem

You have no toolchain (gcc) installed. Therefore the scanner discovery which calls gcc to get system headers does not work etc.

http://help.eclipse.org/indigo/topic/org.eclipse.cdt.doc.user/concepts/cdt_c_before_you_begin.htm

Before you ask
- search this forum
- see the FAQ http://wiki.eclipse.org/CDT/User/FAQ
- google

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