Found the following significant warnings:
  ./piqp/include/piqp/solver.hpp:100:44: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:100:28: warning: too many arguments for format [-Wformat-extra-args]
  ./piqp/include/piqp/solver.hpp:101:55: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:101:28: warning: too many arguments for format [-Wformat-extra-args]
  ./piqp/include/piqp/solver.hpp:102:57: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:102:28: warning: too many arguments for format [-Wformat-extra-args]
  ./piqp/include/piqp/solver.hpp:107:44: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:107:75: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:107:28: warning: too many arguments for format [-Wformat-extra-args]
  ./piqp/include/piqp/solver.hpp:108:55: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:108:69: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:108:28: warning: too many arguments for format [-Wformat-extra-args]
  ./piqp/include/piqp/solver.hpp:109:57: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:109:71: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:109:28: warning: too many arguments for format [-Wformat-extra-args]
  ./piqp/include/piqp/solver.hpp:111:55: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:111:24: warning: too many arguments for format [-Wformat-extra-args]
  ./piqp/include/piqp/solver.hpp:112:55: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:112:24: warning: too many arguments for format [-Wformat-extra-args]
  ./piqp/include/piqp/solver.hpp:138:48: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:138:24: warning: too many arguments for format [-Wformat-extra-args]
  ./piqp/include/piqp/solver.hpp:457:31: warning: unknown conversion type character 'z' in format [-Wformat=]
  ./piqp/include/piqp/solver.hpp:457:40: warning: format '%e' expects argument of type 'double', but argument 2 has type 'piqp::isize' {aka 'long long int'} [-Wformat=]
  ./piqp/include/piqp/solver.hpp:457:28: warning: too many arguments for format [-Wformat-extra-args]
See 'd:/Rcompile/CRANpkg/local/4.4/piqp.Rcheck/00install.out' for details.
* used C++ compiler: 'g++.exe (GCC) 12.3.0'