Performing C++ SOURCE FILE Test DEAL_II_HAVE_CXX20_FEATURES failed with the following output:
Change Dir: /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/ninja cmTC_b73f3 && [1/2] Building CXX object CMakeFiles/cmTC_b73f3.dir/src.cxx.o
FAILED: CMakeFiles/cmTC_b73f3.dir/src.cxx.o 
/usr/bin/x86_64-pc-linux-gnu-g++ -DDEAL_II_HAVE_CXX20_FEATURES   -pipe -march=native -fno-diagnostics-color -O2 -mavx2 -pedantic -fPIC -Wall -Wextra -Wmissing-braces -Woverloaded-virtual -Wpointer-arith -Wsign-compare -Wsuggest-override -Wswitch -Wsynth -Wwrite-strings -Wno-placement-new -Wno-deprecated-declarations -Wno-literal-suffix -Wno-psabi -Wno-class-memaccess -O0 -ggdb -o CMakeFiles/cmTC_b73f3.dir/src.cxx.o -c /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:6:8: error: #error "insufficient support for C++20"
    6 |     #  error "insufficient support for C++20"
      |        ^~~~~
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:10:8: error: #error "insufficient support for C++20"
   10 |     #  error "insufficient support for C++20"
      |        ^~~~~
ninja: build stopped: subcommand failed.


Source file was:

    #include <cmath>
    #include <ranges>

    #if __cplusplus < 201709L && !defined(_MSC_VER) && !defined(__INTEL_COMPILER)
    #  error "insufficient support for C++20"
    #endif

    #if !(defined __cpp_lib_ranges) || (__cpp_lib_ranges < 201911)
    #  error "insufficient support for C++20"
    #endif

    int main()
    {
    }
    
Performing C++ SOURCE FILE Test DEAL_II_HAVE_FLAG_Wno_unused_command_line_argument failed with the following output:
Change Dir: /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/ninja cmTC_18ad5 && [1/2] Building CXX object CMakeFiles/cmTC_18ad5.dir/src.cxx.o
FAILED: CMakeFiles/cmTC_18ad5.dir/src.cxx.o 
/usr/bin/x86_64-pc-linux-gnu-g++ -DDEAL_II_HAVE_FLAG_Wno_unused_command_line_argument   -pipe -march=native -fno-diagnostics-color -O2 -mavx2 -pedantic -fPIC -Wall -Wextra -Wmissing-braces -Woverloaded-virtual -Wpointer-arith -Wsign-compare -Wsuggest-override -Wswitch -Wsynth -Wwrite-strings -Wno-placement-new -Wno-deprecated-declarations -Wno-literal-suffix -Wno-psabi -Wno-class-memaccess -O0 -ggdb   -Wunused-command-line-argument -o CMakeFiles/cmTC_18ad5.dir/src.cxx.o -c /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx
x86_64-pc-linux-gnu-g++: error: unrecognized command-line option '-Wunused-command-line-argument'; did you mean '-Wunused-dummy-argument'?
ninja: build stopped: subcommand failed.


Source file was:
int main() { return 0; }
Performing C++ SOURCE FILE Test DEAL_II_HAVE_COMPLEX_OPERATOR_OVERLOADS failed with the following output:
Change Dir: /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/ninja cmTC_20f68 && [1/2] Building CXX object CMakeFiles/cmTC_20f68.dir/src.cxx.o
FAILED: CMakeFiles/cmTC_20f68.dir/src.cxx.o 
/usr/bin/x86_64-pc-linux-gnu-g++ -DDEAL_II_HAVE_COMPLEX_OPERATOR_OVERLOADS   -pipe -march=native -fno-diagnostics-color -O2 -mavx2 -pedantic -fPIC -Wall -Wextra -Wmissing-braces -Woverloaded-virtual -Wpointer-arith -Wsign-compare -Wsuggest-override -Wswitch -Wsynth -Wwrite-strings -Wno-placement-new -Wno-deprecated-declarations -Wno-literal-suffix -Wno-psabi -Wno-class-memaccess -O0 -ggdb -Werror -o CMakeFiles/cmTC_20f68.dir/src.cxx.o -c /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx: In function 'int main()':
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:6:14: error: no match for 'operator*' (operand types are 'double' and 'std::complex<float>')
    6 |     double() * std::complex<float>();
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const std::complex<_Tp>&)'
  392 |     operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:6:36: note:   mismatched types 'const std::complex<_Tp>' and 'double'
    6 |     double() * std::complex<float>();
      |                                    ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const _Tp&)'
  401 |     operator*(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:6:36: note:   mismatched types 'const std::complex<_Tp>' and 'double'
    6 |     double() * std::complex<float>();
      |                                    ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const _Tp&, const std::complex<_Tp>&)'
  410 |     operator*(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:6:36: note:   deduced conflicting types for parameter '_Tp' ('double' and 'float')
    6 |     double() * std::complex<float>();
      |                                    ^
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:7:27: error: no match for 'operator*' (operand types are 'std::complex<float>' and 'double')
    7 |     std::complex<float>() * double();
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const std::complex<_Tp>&)'
  392 |     operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:7:36: note:   mismatched types 'const std::complex<_Tp>' and 'double'
    7 |     std::complex<float>() * double();
      |                                    ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const _Tp&)'
  401 |     operator*(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:7:36: note:   deduced conflicting types for parameter 'const _Tp' ('float' and 'double')
    7 |     std::complex<float>() * double();
      |                                    ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const _Tp&, const std::complex<_Tp>&)'
  410 |     operator*(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:7:36: note:   mismatched types 'const std::complex<_Tp>' and 'double'
    7 |     std::complex<float>() * double();
      |                                    ^
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:8:13: error: no match for 'operator*' (operand types are 'float' and 'std::complex<double>')
    8 |     float() * std::complex<double>();
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const std::complex<_Tp>&)'
  392 |     operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:8:36: note:   mismatched types 'const std::complex<_Tp>' and 'float'
    8 |     float() * std::complex<double>();
      |                                    ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const _Tp&)'
  401 |     operator*(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:8:36: note:   mismatched types 'const std::complex<_Tp>' and 'float'
    8 |     float() * std::complex<double>();
      |                                    ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const _Tp&, const std::complex<_Tp>&)'
  410 |     operator*(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:8:36: note:   deduced conflicting types for parameter '_Tp' ('float' and 'double')
    8 |     float() * std::complex<double>();
      |                                    ^
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:9:28: error: no match for 'operator*' (operand types are 'std::complex<double>' and 'float')
    9 |     std::complex<double>() * float();
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const std::complex<_Tp>&)'
  392 |     operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:9:36: note:   mismatched types 'const std::complex<_Tp>' and 'float'
    9 |     std::complex<double>() * float();
      |                                    ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const _Tp&)'
  401 |     operator*(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:9:36: note:   deduced conflicting types for parameter 'const _Tp' ('double' and 'float')
    9 |     std::complex<double>() * float();
      |                                    ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const _Tp&, const std::complex<_Tp>&)'
  410 |     operator*(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:9:36: note:   mismatched types 'const std::complex<_Tp>' and 'float'
    9 |     std::complex<double>() * float();
      |                                    ^
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:10:28: error: no match for 'operator*' (operand types are 'std::complex<double>' and 'std::complex<float>')
   10 |     std::complex<double>() * std::complex<float>();
      |          ~~~~~~~~~~~~~~~~~ ^      ~~~~~~~~~~~~~~~~
      |          |                        |
      |          complex<double>          complex<float>
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const std::complex<_Tp>&)'
  392 |     operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:10:50: note:   deduced conflicting types for parameter '_Tp' ('double' and 'float')
   10 |     std::complex<double>() * std::complex<float>();
      |                                                  ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const _Tp&)'
  401 |     operator*(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:10:50: note:   deduced conflicting types for parameter 'const _Tp' ('double' and 'std::complex<float>')
   10 |     std::complex<double>() * std::complex<float>();
      |                                                  ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const _Tp&, const std::complex<_Tp>&)'
  410 |     operator*(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:10:50: note:   deduced conflicting types for parameter '_Tp' ('std::complex<double>' and 'float')
   10 |     std::complex<double>() * std::complex<float>();
      |                                                  ^
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:11:27: error: no match for 'operator*' (operand types are 'std::complex<float>' and 'std::complex<double>')
   11 |     std::complex<float>() * std::complex<double>();
      |          ~~~~~~~~~~~~~~~~ ^      ~~~~~~~~~~~~~~~~~
      |          |                       |
      |          complex<float>          complex<double>
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const std::complex<_Tp>&)'
  392 |     operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:392:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:11:50: note:   deduced conflicting types for parameter '_Tp' ('float' and 'double')
   11 |     std::complex<float>() * std::complex<double>();
      |                                                  ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const _Tp&)'
  401 |     operator*(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:401:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:11:50: note:   deduced conflicting types for parameter 'const _Tp' ('float' and 'std::complex<double>')
   11 |     std::complex<float>() * std::complex<double>();
      |                                                  ^
In file included from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const _Tp&, const std::complex<_Tp>&)'
  410 |     operator*(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/complex:410:5: note:   template argument deduction/substitution failed:
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:11:50: note:   deduced conflicting types for parameter '_Tp' ('std::complex<float>' and 'double')
   11 |     std::complex<float>() * std::complex<double>();
      |                                                  ^
ninja: build stopped: subcommand failed.


Source file was:

  #include <complex>

  int main()
  {
    double() * std::complex<float>();
    std::complex<float>() * double();
    float() * std::complex<double>();
    std::complex<double>() * float();
    std::complex<double>() * std::complex<float>();
    std::complex<float>() * std::complex<double>();

    return 0;
  }
  
Performing C++ SOURCE FILE Test DEAL_II_COMPILER_HAS_FUSE_LD_LLD failed with the following output:
Change Dir: /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/ninja cmTC_04e49 && [1/2] Building CXX object CMakeFiles/cmTC_04e49.dir/src.cxx.o
[2/2] Linking CXX executable cmTC_04e49
FAILED: cmTC_04e49 
: && /usr/bin/x86_64-pc-linux-gnu-g++ -pipe -march=native -fno-diagnostics-color -O2 -mavx2 -Werror -shared -fPIC -fuse-ld=lld -rdynamic CMakeFiles/cmTC_04e49.dir/src.cxx.o -o cmTC_04e49  -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0 && :
collect2: fatal error: cannot find 'ld'
compilation terminated.
ninja: build stopped: subcommand failed.


Source file was:

    #include <iostream>
    void foo() { std::cout << "Hello, world!" << std::endl; }
    
Performing C++ SOURCE FILE Test MKL_SYMBOL_CHECK failed with the following output:
Change Dir: /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/ninja cmTC_5dc84 && [1/2] Building CXX object CMakeFiles/cmTC_5dc84.dir/src.cxx.o
FAILED: CMakeFiles/cmTC_5dc84.dir/src.cxx.o 
/usr/bin/x86_64-pc-linux-gnu-g++ -DMKL_SYMBOL_CHECK   -O3 -DNDEBUG -o CMakeFiles/cmTC_5dc84.dir/src.cxx.o -c /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:14: fatal error: mkl.h: No such file or directory
    2 |     #include <mkl.h>
      |              ^~~~~~~
compilation terminated.
ninja: build stopped: subcommand failed.


Source file was:

    #include <mkl.h>
    #include <vector>
    int main(){
      const int m = 5;
      const int n = 2;
      std::vector<double> A(m*n,0.);
      std::vector<double> B(m*n,0.);
      mkl_domatcopy('C', 'T', m, n, 1., A.data(), n, B.data(), m);
      return 0;
    }
Performing C++ SOURCE FILE Test DEAL_II_HAS_AUTO_PTR failed with the following output:
Change Dir: /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/ninja cmTC_882e4 && [1/2] Building CXX object CMakeFiles/cmTC_882e4.dir/src.cxx.o
FAILED: CMakeFiles/cmTC_882e4.dir/src.cxx.o 
/usr/bin/x86_64-pc-linux-gnu-g++ -DDEAL_II_HAS_AUTO_PTR   -pipe -march=native -fno-diagnostics-color -O2 -mavx2 -Werror -O3 -DNDEBUG -o CMakeFiles/cmTC_882e4.dir/src.cxx.o -c /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx: In function 'int main()':
/var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:9:12: error: 'template<class> class std::auto_ptr' is deprecated: use 'std::unique_ptr' instead [-Werror=deprecated-declarations]
    9 |       std::auto_ptr<int> x(i);
      |            ^~~~~~~~
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/memory:76,
                 from /var/tmp/portage/sci-libs/dealii-9.3.3/work/dealii-9.3.3_build/CMakeFiles/CMakeTmp/src.cxx:2:
/usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/include/g++-v11/bits/unique_ptr.h:57:28: note: declared here
   57 |   template<typename> class auto_ptr;
      |                            ^~~~~~~~
cc1plus: all warnings being treated as errors
ninja: build stopped: subcommand failed.


Source file was:

    #include <memory>
    #include <boost/config.hpp>

    int main()
    {
    #ifndef BOOST_NO_AUTO_PTR
      int *i = new int;
      std::auto_ptr<int> x(i);
    #endif
      return 0;
    }