Pull Request Overview

This PR simplifies the OpenMP detection and configuration logic by removing compiler-specific version checks and relying more on direct OpenMP compilation tests. The changes streamline the configure script to test OpenMP support directly rather than inferring support from compiler versions.

Key Changes:

• Removed complex compiler version detection logic (g++, clang) and replaced with direct OpenMP compilation test
• Consolidated OpenMP flag and define settings based on compilation test results
• Updated CI workflow to test on both container and macOS environments

Reviewed Changes

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