Hi,
The configure script enables utmp and wtmp functionality by default
on musl-based systems as it detects the stubs [1] provided by the
libc. Whilst having these features enabled is not harmful, it will lead
to repeated log messages:
> wtmp_write: problem writing /dev/null/wtmp: Not a directory
The proposed patch will disable utmp and wtmp by default on musl-based
systems.
[1] https://wiki.musl-libc.org/faq.html#Q:-Why-is-the-utmp/wtmp-functionality-only-implemented-as-stubs?
Wolfgang
diff --git a/configure.ac b/configure.ac
index 813b7fa2..c5eb0dbb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -904,6 +904,12 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
else
AC_MSG_RESULT([architecture not supported])
fi
+ case "$host" in
+ *-*-linux-musl*)
+ AC_DEFINE([DISABLE_UTMP], [1], [Define if you don't want to use utmp])
+ AC_DEFINE([DISABLE_WTMP], [1], [Define if you don't want to use wtmp])
+ ;;
+ esac
;;
mips-sony-bsd|mips-sony-newsos4)
AC_DEFINE([NEED_SETPGRP], [1], [Need setpgrp to acquire controlling tty])
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