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Home » Language IDEs » C / C++ IDE (CDT) » symbol 'CLOCK_PROCESS_CPUTIME_ID' cannot be resolved?(I have all the necessary includes, but it still won't recognise?)

symbol 'CLOCK_PROCESS_CPUTIME_ID' cannot be resolved? [message #1065001]

Sat, 22 June 2013 18:56

Eclipse User

Hi, Eclipse Indigo CDT won't recognise CLOCK_PROCESS_CPUTIME_ID in my program (below). It can, however, recognise clock_gettime()! Can someone please help? The code executes, just Eclipse CDT highlights it as a syntax error (which it shouldn't).

#include <iostream>
#include <time.h>

using namespace std;

timespec diff(timespec start, timespec end);

int main()
{
timespec time1, time2;
char b = 'A';
bool result;
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time1);
result = (b < 58 & b > 47);
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &time2);
return 0;
}

I have the following in my discovery options:

-E -P -v -dM ${plugin_state_location}/${specs_file}

Re: symbol 'CLOCK_PROCESS_CPUTIME_ID' cannot be resolved? [message #1065004 is a reply to message #1065001]

Sat, 22 June 2013 19:43

Eclipse User

Ok to solve this I had to go into my project settings, "Indexer" and there is a list of header files you index "up front". I added "time.h" to this list and then rebuilt the project.

Absolutely no idea why this is required?! Can someone please tell me? Otherwise I may encounter this time and time again?

Re: symbol 'CLOCK_PROCESS_CPUTIME_ID' cannot be resolved? [message #1065043 is a reply to message #1065004]

Sun, 23 June 2013 23:42

Eclipse User

Using MinGW GCC 4.7.2 and there are no problems with this macro:

Discovery options string:
Quote:

-E -P -v -dD -std=c++11 "${plugin_state_location}/specs.cpp"

[Updated on: Sun, 23 June 2013 23:45] by Moderator

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