Jörg Thalheim
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6a7351da0d
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Fix musl build (#96)
a) Fix build if limits.h provides definition for PAGE_SIZE, as musl does w/musl per XSI[1] although it's apparently optional [2].
This value is only provided when it's known to be a constant, to avoid the need to discover the value dynamically.
b) If not using system-provided (kernel headers, or libc headers, or something) use the POSIX approach of querying the value
dynamically using sysconf(_SC_PAGE_SIZE) instead of hardcoded value that hopefully is correct.
[1] http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html
[2] http://www.openwall.com/lists/musl/2015/09/11/8
This patch originate from:
https://raw.githubusercontent.com/voidlinux/void-packages/a0ece13ad7ab2aae760e09e41e0459bd999a3695/srcpkgs/thin-provisioning-tools/patches/musl.patch
and was also applied in NixOS:
https://github.com/NixOS/nixpkgs/pull/40559/
cc @dtzWill
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2018-05-22 14:02:49 +01:00 |
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