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| author | Ben Gamari <ben@smart-cactus.org> | 2020-10-15 12:26:16 -0400 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2020-11-02 23:45:42 -0500 |
| commit | 0b7722219ffdb109c3a8b034a8e112d18e6e4336 (patch) | |
| tree | fd426b69c317fdae125f9d017d1e44ab233b228c /rules/build-package-data.mk | |
| parent | 4ce2f7d6e6a516173750b1d740f345e90992ffce (diff) | |
| download | haskell-0b7722219ffdb109c3a8b034a8e112d18e6e4336.tar.gz | |
Document that ccall convention doesn't support varargs
We do not support foreign "C" imports of varargs functions. While this
works on amd64, in general the platform's calling convention may need
more type information that our Cmm representation can currently provide.
For instance, this is the case with Darwin's AArch64 calling convention.
Document this fact in the users guide and fix T5423 which makes use of a
disallowed foreign import.
Closes #18854.
Diffstat (limited to 'rules/build-package-data.mk')
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