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[tmodes <2089602@xxxxxxxxxxxxxxxxxx>]

Hi Bruno,

I'm using the unmodified git version. 
But the mentioned lines are already in vigra-1.11.2 (released Sep 2023) and also in the vigra-1.12.x series (released Sep 2024).
So maybe an update to the current version should fix this issue. (And maybe as a bonus you can drop some of your Fedora patches.)

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https://bugs.launchpad.net/bugs/2089602

Title:
  C++17 errors

Status in Hugin:
  New

Bug description:
  The current default branch fails on fedora 41 (default on fedora 40 is
  ok, and 2024.0.0 on fedora 41 is ok).

  In both cases, gcc, boost and cmake are the same: gcc-14.2.1,
  boost-1.83.0, cmake-3.30.5

  
  The error:

  
  ```
  [ 12%] Building CXX object src/hugin_base/CMakeFiles/huginbase.dir/algorithms/nona/NonaFileStitcher.cpp.o
  cd /builddir/build/BUILD/hugin-2024.1.0-build/hugin-2024.1.0/redhat-linux-build/src/hugin_base && /usr/bin/g++ -DGLEW_STATIC -DHUGIN_HSI -Dhuginbase_EXPORTS -I/builddir/build/BUILD/hugin-2024.1.0-build/hugin-2024.1.0/redhat-linux-build/src -I/builddir/build/BUILD/hugin-2024.1.0-build/hugin-2024.1.0/src/hugin_base -I/builddir/build/BUILD/hugin-2024.1.0-build/hugin-2024.1.0/src/celeste -I/builddir/build/BUILD/hugin-2024.1.0-build/hugin-2024.1.0/redhat-linux-build/src/celeste -I/builddir/build/BUILD/hugin-2024.1.0-build/hugin-2024.1.0/src -I/usr/include/OpenEXR -I/usr/include/Imath -I/usr/include/python3.13 -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -O2 -g -DNDEBUG -std=gnu++17 -fPIC -fopenmp -MD -MT src/hugin_base/CMakeFiles/huginbase.dir/algorithms/nona/NonaFileStitcher.cpp.o -MF CMakeFiles/huginbase.dir/algorithms/nona/NonaFileStitcher.cpp.o.d -o CMakeFiles/huginbase.dir/algorithms/nona/NonaFileStitcher.cpp.o -c /builddir/build/BUILD/hugin-2024.1.0-build/hugin-2024.1.0/src/hugin_base/algorithms/nona/NonaFileStitcher.cpp
  In file included from /usr/include/vigra/resizeimage.hxx:45,
                   from /usr/include/vigra/stdimagefunctions.hxx:74,
                   from /usr/include/vigra/seededregiongrowing.hxx:44,
                   from /builddir/build/BUILD/hugin-2024.1.0-build/hugin-2024.1.0/src/hugin_base/vigra_ext/StitchWatershed.h:28,
                   from /builddir/build/BUILD/hugin-2024.1.0-build/hugin-2024.1.0/src/hugin_base/nona/Stitcher.h:47,
                   from /builddir/build/BUILD/hugin-2024.1.0-build/hugin-2024.1.0/src/hugin_base/algorithms/nona/NonaFileStitcher.cpp:33:
  /usr/include/vigra/separableconvolution.hxx:1413:13: error: ISO C++17 does not allow dynamic exception specifications
   1413 |             throw(PreconditionViolation)
        |             ^~~~~
  In file included from /usr/include/vigra/convolution.hxx:41,
                   from /builddir/build/BUILD/hugin-2024.1.0-build/hugin-2024.1.0/src/hugin_base/vigra_ext/StitchWatershed.h:29:
  /usr/include/vigra/stdconvolution.hxx:796:13: error: ISO C++17 does not allow dynamic exception specifications
    796 |             throw(PreconditionViolation)
        |             ^~~~~
  ```

  stdconvolution.hxx:796 looks like this:

  
  ```
  #ifndef _MSC_VER
              noexcept(false)
  #elif _MSC_VER >= 1900
              noexcept(false)
  #endif
  ```

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