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Certain ports hardcode which GCC version they want.
Ports That Hardcode GCC version
This is a common case – but it causes maintenance hassles.
| portname | hardcoding |
| sysutils/memtest86+ | 4.8 |
| sysutils/uefi-edk2-bhyve | 4.8 |
| sysutils/uefi-edk2-bhyve-csm | 4.8 |
| cad/ghdl | 6 |
| graphics/impressive | 6 |
| lang/gnat_util | 6 |
| devel/xtensa-esp32-elf | 7 |
| graphics/bugle | 7 |