[Octave-bug-tracker] [bug #47215] libgui compiler errors

[Mike Miller]

Follow-up Comment #3, bug #47215 (project octave):

You're missing a couple things in the example, where is QTOSTRING?

This snippet compiles cleanly for me:


$ cat foo.cc
#define QTOSTRING_HELPER(s) #s
#define QTOSTRING(s) QTOSTRING_HELPER(s)
#define QLOCATION " "__FILE__":"QTOSTRING(__LINE__)
// #define SIGNAL(a) qFlagLocation("2"#a QLOCATION)
#define SIGNAL2(a) ("2"#a QLOCATION)
#include <stdio.h>

int func(int a) {
        fprintf(stderr, "%s", SIGNAL2(1));
}
$ g++ -c foo.cc


All of these macros are from a standard installation of Qt, so this still
points to something odd about your system libraries.

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