build-scripts: modernized gcc-fat.sh for Big Sur and ARM64.

Put these in "clang-fat.sh" and "clang++-fat.sh" in case someone still needs
32-bit x86 support from the old scripts.

Fixes #4350.
This commit is contained in:
Ryan C. Gordon 2021-06-09 13:38:05 -04:00
parent cb5e86353b
commit 56e96254c2
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2 changed files with 207 additions and 0 deletions