Actions CI: msys2 failing for last two days

[Shreeshrii]

Last Working Run
First failing run

D:\a\_temp\msys64\mingw32\bin\ar.exe: `u' modifier ignored since `D' is the default (see `U')
  CXXLD    tesseract.exe
libtool:   error: Could not determine the host path corresponding to
libtool:   error:   'D:/a/_temp/msys64/mingw32/lib:D:/a/_temp/msys64/mingw32/bin:/d/a/tesseract/tesseract/.libs:/mingw32/lib:/mingw32/bin'
libtool:   error: Continuing, but uninstalled executables may not work.
make[1]: Leaving directory '/d/a/tesseract/tesseract'
Making all in tessdata
make[1]: Entering directory '/d/a/tesseract/tesseract/tessdata'
Making all in configs
make[2]: Entering directory '/d/a/tesseract/tesseract/tessdata/configs'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/d/a/tesseract/tesseract/tessdata/configs'
Making all in tessconfigs
make[2]: Entering directory '/d/a/tesseract/tesseract/tessdata/tessconfigs'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/d/a/tesseract/tesseract/tessdata/tessconfigs'
make[2]: Entering directory '/d/a/tesseract/tesseract/tessdata'
make[2]: Nothing to be done for 'all-am'.
make[2]: Leaving directory '/d/a/tesseract/tesseract/tessdata'
make[1]: Leaving directory '/d/a/tesseract/tesseract/tessdata'
  CXX      src/training/combine_lang_model-combine_lang_model.o
  CXX      src/training/pango/libtesseract_training_la-boxchar.lo
  CXX      src/training/common/libtesseract_training_la-commandlineflags.lo
  CXX      src/training/common/libtesseract_training_la-commontraining.lo
  CXX      src/training/common/libtesseract_training_la-ctc.lo
  CXX      src/training/common/libtesseract_training_la-networkbuilder.lo
  CXX      src/training/libtesseract_training_la-degradeimage.lo
  CXX      src/training/pango/libtesseract_training_la-ligature_table.lo
  CXX      src/training/pango/libtesseract_training_la-pango_font_info.lo
In file included from D:/a/_temp/msys64/mingw32/include/c++/11.2.0/bits/max_size_type.h:37,
                 from D:/a/_temp/msys64/mingw32/include/c++/11.2.0/bits/ranges_base.h:38,
                 from D:/a/_temp/msys64/mingw32/include/c++/11.2.0/string_view:48,
                 from D:/a/_temp/msys64/mingw32/include/c++/11.2.0/bits/basic_string.h:48,
                 from D:/a/_temp/msys64/mingw32/include/c++/11.2.0/string:55,
                 from ./src/ccutil/params.h:26,
                 from ./src/training/common/commandlineflags.h:22,
                 from src/training/pango/pango_font_info.cpp:29:
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:139:9: error: unable to find numeric literal operator 'operator""Q'
  139 |       = 2.718281828459045235360287471352662498Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:139:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:144:9: error: unable to find numeric literal operator 'operator""Q'
  144 |       = 1.442695040888963407359924681001892137Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:144:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:149:9: error: unable to find numeric literal operator 'operator""Q'
  149 |       = 0.434294481903251827651128918916605082Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:149:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:154:9: error: unable to find numeric literal operator 'operator""Q'
  154 |       = 3.141592653589793238462643383279502884Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:154:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:159:9: error: unable to find numeric literal operator 'operator""Q'
  159 |       = 0.318309886183790671537767526745028724Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:159:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:164:9: error: unable to find numeric literal operator 'operator""Q'
  164 |       = 0.564189583547756286948079451560772586Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:164:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:169:9: error: unable to find numeric literal operator 'operator""Q'
  169 |       = 0.693147180559945309417232121458176568Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:169:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:174:9: error: unable to find numeric literal operator 'operator""Q'
  174 |       = 2.302585092994045684017991454684364208Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:174:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:179:9: error: unable to find numeric literal operator 'operator""Q'
  179 |       = 1.414213562373095048801688724209698079Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:179:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:184:9: error: unable to find numeric literal operator 'operator""Q'
  184 |       = 1.732050807568877293527446341505872367Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:184:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:189:9: error: unable to find numeric literal operator 'operator""Q'
  189 |       = 0.577350269189625764509148780501957456Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:189:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:194:9: error: unable to find numeric literal operator 'operator""Q'
  194 |       = 0.577215664901532860606512090082402431Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:194:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:199:9: error: unable to find numeric literal operator 'operator""Q'
  199 |       = 1.618033988749894848204586834365638118Q;
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:/a/_temp/msys64/mingw32/include/c++/11.2.0/numbers:199:9: note: use '-fext-numeric-literals' to enable more built-in suffixes
make: *** [Makefile:6649: src/training/pango/libtesseract_training_la-pango_font_info.lo] Error 1
Error: Process completed with exit code 2.

[eighttails]

# undef __STRICT_ANSI__ in
src/training/pango/pango_font_info.cpp:26 looks like cause of the problem.
When I commented out the line build succeeded.

[amitdo]

This failure was triggered by a change in compiler version in the the CI runner, and not by a change from our side.

GCC: 10.3.0 -> 11.2.0

[amitdo]

fmtlib/fmt#2059

https://lists.gnucash.org/pipermail/gnucash-changes/2021-January/018508.html