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authorHerbert Valerio Riedel <hvr@gnu.org>2015-12-16 17:40:48 +0100
committerHerbert Valerio Riedel <hvr@gnu.org>2015-12-16 17:40:48 +0100
commitab79ed763cfbaa1b0d1f39ba5ed1cde7dffd4b87 (patch)
treec9e146f768c752e555532d6ce73d57f7ac21bcc9 /settings.in
parent4c7da9c557ac5990fb4ccdd6145e0d2487a57219 (diff)
downloadhaskell-ab79ed763cfbaa1b0d1f39ba5ed1cde7dffd4b87.tar.gz
Improve detection of `fdatasync(2)` (re #11137)
This updates the `unix` submodule to pull in an improved Autoconf test for `fdatasync(2)` in cases where `<unistd.h>` lacks a declaration, but linking against `fdatasync` works which led to a false positive previously.
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