GMP: fix build failure with gcc-15 #14597
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GMP has a prototype declaration bug that is rejected by the latest release of GCC (15). This prevents PrusaSlicer from building. The same patch is committed to upstream GMP HEAD, though there's not yet been a subsequent release: https://gmplib.org/repo/gmp/rev/d66d66d82dbb The included patch has been hand-edited to play nicely with / apply during the CMAKE external dependency build.
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GMP has a prototype declaration bug that is rejected by the latest release of GCC (15). This prevents PrusaSlicer from building, erroring out during the external dependency build.
The same patch is committed to upstream GMP HEAD, though there's not yet been a subsequent release:
https://gmplib.org/repo/gmp/rev/d66d66d82dbb
The included patch has been hand-edited to play nicely with / apply during the CMAKE build.