texlive[56849] Master/tlpkg/installer/config.guess: revert musl

[commits+karl at tug.org]

Revision: 56849
          http://tug.org/svn/texlive?view=revision&revision=56849
Author:   karl
Date:     2020-11-03 23:43:56 +0100 (Tue, 03 Nov 2020)
Log Message:
-----------
revert musl changes, back to 2020-08-17 version for Xu

Modified Paths:
--------------
    trunk/Master/tlpkg/installer/config.guess

Modified: trunk/Master/tlpkg/installer/config.guess
===================================================================
--- trunk/Master/tlpkg/installer/config.guess	2020-11-03 22:18:24 UTC (rev 56848)
+++ trunk/Master/tlpkg/installer/config.guess	2020-11-03 22:43:56 UTC (rev 56849)
@@ -2,7 +2,7 @@
 # Attempt to guess a canonical system name.
 #   Copyright 1992-2020 Free Software Foundation, Inc.
 
-timestamp='2020-10-22'
+timestamp='2020-08-17'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -150,15 +150,17 @@
 	#elif defined(__dietlibc__)
 	LIBC=dietlibc
 	#else
-	#include <stdarg.h>
-	#ifdef __DEFINED_va_list
-	LIBC=musl
-	#else
 	LIBC=gnu
 	#endif
-	#endif
 	EOF
 	eval "`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'`"
+
+	# If ldd exists, use it to detect musl libc.
+	if command -v ldd >/dev/null && \
+		ldd --version 2>&1 | grep -q ^musl
+	then
+	    LIBC=musl
+	fi
 	;;
 esac
 
@@ -182,7 +184,6 @@
 	    "/usr/sbin/$sysctl" 2>/dev/null || \
 	    echo unknown)`
 	case "$UNAME_MACHINE_ARCH" in
-	    aarch64eb) machine=aarch64_be-unknown ;;
 	    armeb) machine=armeb-unknown ;;
 	    arm*) machine=arm-unknown ;;
 	    sh3el) machine=shl-unknown ;;