coreutils: enable /proc/uptime support when cross-compiling
/proc/uptime support can't be detected automatically when cross-compiling, so it is disabled by default. This causes extremely large uptime values (e.g. 19167 days) on systems without RTCs because the boot time is set to the epoch.
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@ -118,7 +118,12 @@ stdenv.mkDerivation rec {
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# TODO(19b98110126fde7cbb1127af7e3fe1568eacad3d): Needed for fstatfs() I
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# don't know why it is not properly detected cross building with glibc.
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"fu_cv_sys_stat_statfs2_bsize=yes"
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];
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]
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# /proc/uptime is available on Linux and produces accurate results even if
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# the boot time is set to the epoch because the system has no RTC. We
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# explicitly enable it for cases where it can't be detected automatically,
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# such as when cross-compiling.
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++ optional stdenv.hostPlatform.isLinux "gl_cv_have_proc_uptime=yes";
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# The tests are known broken on Cygwin
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# (http://article.gmane.org/gmane.comp.gnu.core-utils.bugs/19025),
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