Fix compiler warning



See merge request !174

Core: consistently check for splashscreen availability.

Core::finishSplash had an unguarded callsite that would cause a crash if
the splash screen is disbled. This change makes everything a bit simpler.

See merge request !168

Don't call clang++ with unsupported -frounding-math.

This avoids a flood of warnings, and CGAL only needs -frounding-math
when compiling with GCC.

See merge request !173

This avoids a flood of warnings, and CGAL only needs -frounding-math
when compiling with GCC.

More warnings

A bunch of warnings fixed due to implicit conversions

See merge request !171

update OpenVolumeMesh



See merge request !170

Core::finishSplash had an unguarded callsite that would cause a crash if
the splash screen is disbled. This change makes everything a bit simpler.

Warnings

Silence several warnings

See merge request !164

Merge branch 'Warnings' of https://www.graphics.rwth-aachen.de:9000/OpenFlipper-Free/OpenFlipper-Free into Warnings

- Fix Warning size_t int conversions
- Use bool instead of int for success

Disable caching for now as cmake das not work correctly across runners



See merge request !163

Revert "Removed dependency"

This reverts commit 0f87c964

See merge request !162

This reverts commit 0f87c964