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Diffstat (limited to 'systems/texlive/tlnet/tlpkg/installer/config.guess')
-rwxr-xr-xsystems/texlive/tlnet/tlpkg/installer/config.guess30
1 files changed, 21 insertions, 9 deletions
diff --git a/systems/texlive/tlnet/tlpkg/installer/config.guess b/systems/texlive/tlnet/tlpkg/installer/config.guess
index 0fc11edb2d..699b3a10b2 100755
--- a/systems/texlive/tlnet/tlpkg/installer/config.guess
+++ b/systems/texlive/tlnet/tlpkg/installer/config.guess
@@ -2,7 +2,7 @@
# Attempt to guess a canonical system name.
# Copyright 1992-2020 Free Software Foundation, Inc.
-timestamp='2020-11-07'
+timestamp='2020-11-19'
# 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
@@ -27,7 +27,7 @@ timestamp='2020-11-07'
# Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
#
# You can get the latest version of this script from:
-# https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+# https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
#
# Please send patches to <config-patches@gnu.org>.
@@ -138,9 +138,7 @@ UNAME_VERSION=$( (uname -v) 2>/dev/null) || UNAME_VERSION=unknown
case "$UNAME_SYSTEM" in
Linux|GNU|GNU/*)
- # If the system lacks a compiler, then just pick glibc.
- # We could probably try harder.
- LIBC=gnu
+ LIBC=unknown
set_cc_for_build
cat <<-EOF > "$dummy.c"
@@ -149,16 +147,30 @@ Linux|GNU|GNU/*)
LIBC=uclibc
#elif defined(__dietlibc__)
LIBC=dietlibc
+ #elif defined(__GLIBC__)
+ LIBC=gnu
#else
#include <stdarg.h>
+ /* First heuristic to detect musl libc. */
#ifdef __DEFINED_va_list
LIBC=musl
- #else
- LIBC=gnu
#endif
#endif
EOF
eval "$($CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g')"
+
+ # Second heuristic to detect musl libc.
+ if [ "$LIBC" = unknown ] &&
+ command -v ldd >/dev/null &&
+ ldd --version 2>&1 | grep -q ^musl; then
+ LIBC=musl
+ fi
+
+ # If the system lacks a compiler, then just pick glibc.
+ # We could probably try harder.
+ if [ "$LIBC" = unknown ]; then
+ LIBC=gnu
+ fi
;;
esac
@@ -1638,9 +1650,9 @@ This script (version $timestamp), has failed to recognize the
operating system you are using. If your script is old, overwrite *all*
copies of config.guess and config.sub with the latest versions from:
- https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
+ https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
and
- https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
+ https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
EOF
year=$(echo $timestamp | sed 's,-.*,,')