Problem compiling with root

ROOT
1

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ROOT Version: v_6.18/04
Platform: MacOsMojave
Compiler: g++(XCode)

Hi,
I’ve downloaded root and I’m having some troubles.
When I try to compile a .cpp code linking to a root library I get the following error:

ERROR in cling::CIFactory::createCI(): cannot extract standard library include paths!

Invoking:

LC_ALL=C /Library/Developer/CommandLineTools/usr/bin/c++ -O2 -DNDEBUG -xc++ -E -v /dev/null 2>&1 >/dev/null | awk '/^#include </,/^End of search/{if (!/^#include </ && !/^End of search/){ print }}' | GREP_OPTIONS= grep -E "(c|g)\+\+"

Results was:

With exit code 256

warning: no such sysroot directory: '/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk'

**input_line_1:1:10:** **fatal error:** **'new' file not found**

#include <new>

**^~~~~**

**input_line_3:37:10:** **fatal error:** **'string' file not found**

#include <string>

**^~~~~~~~**

Looking forward to hearing your suggestions,
Dario

2

@oshadura @amadio any ideas here?

3

Do you have the command line tools and SDK headers installed? The directory above is where headers are picked from, so you need to have it.

4

Hi amadio,

How do I know wether I have them installed?

And, if I don’t, how do I install them?

5

You will have the directory with the SDK headers on your system.

You can install SDKs from XCode’s settings menu.

6

I think I solved it with the command:

xcode-select --install

Now root seems to work correctly.
Is there something else I should do?

7

No, that is probably enough. Let us know if you have problems in the future.

8

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