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

[anonymous]

Follow-up Comment #2, bug #47215 (project octave):

building from a clean state does not help.
I'm near certain the build environment didn't change.

For the record: the error message can be reproduced with this,
where SIGNAL2 is a trimmed down version of SIGNAL macro

cat > yy.cpp <<HERE
#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(2, "%s", SIGNAL2(1));
}
HERE

g++ -c -std=gnu++11 yy.cpp

yy.cpp: In function 'int func(int)':
yy.cpp:7:19: error: inconsistent user-defined literal suffixes '__FILE__' and
'QTOSTRING' in string literal
yy.cpp:7:19: error: unable to find string literal operator 'operator""
__FILE__'

dusk.ad.intra{/scratch/aburgers/octave/x86_64 }223:

The QLOCATION and SIGNAL macros are picked up somewhere in the preprocessing
stage during compilation of in this case
libgui/qterminal/libqterminal/unix/Emulation.cpp 

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