[PATCH 1/2] config.sub: add LLVM-libc support

[Alfred Persson Forsberg]

* config.sub (*-linux-llvm): Recognize.
* doc/config.sub.1: Regenerate.
* testsuite/config-sub.data: Add x86_64-linux-llvm.

Signed-off-by: Alfred Persson Forsberg <cat@catcream.org>
---
 config.sub                | 8 ++++----
 doc/config.sub.1          | 4 ++--
 testsuite/config-sub.data | 1 +
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/config.sub b/config.sub
index 6ae2502..db0581d 100755
--- a/config.sub
+++ b/config.sub
@@ -4,7 +4,7 @@
 
 # shellcheck disable=SC2006,SC2268 # see below for rationale
 
-timestamp='2023-07-31'
+timestamp='2023-10-19'
 
 # 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
@@ -1694,7 +1694,7 @@ fi
 # Now, validate our (potentially fixed-up) OS.
 case $os in
        # Sometimes we do "kernel-libc", so those need to count as OSes.
-       musl* | newlib* | relibc* | uclibc*)
+       llvm* | musl* | newlib* | relibc* | uclibc*)
                ;;
        # Likewise for "kernel-abi"
        eabi* | gnueabi*)
@@ -1757,7 +1757,7 @@ esac
 # (given a valid OS), if there is a kernel.
 case $kernel-$os in
        linux-gnu* | linux-dietlibc* | linux-android* | linux-newlib* \
-                  | linux-musl* | linux-relibc* | linux-uclibc* | linux-mlibc* 
)
+                  | linux-llvm* | linux-musl* | linux-relibc* | linux-uclibc* 
| linux-mlibc* )
                ;;
        uclinux-uclibc* )
                ;;
@@ -1765,7 +1765,7 @@ case $kernel-$os in
                ;;
        windows*-gnu* | windows*-msvc*)
                ;;
-       -dietlibc* | -newlib* | -musl* | -relibc* | -uclibc* | -mlibc* )
+       -dietlibc* | -llvm* | -newlib* | -musl* | -relibc* | -uclibc* | -mlibc* 
)
                # These are just libc implementations, not actual OSes, and thus
                # require a kernel.
                echo "Invalid configuration '$1': libc '$os' needs explicit 
kernel." 1>&2
diff --git a/doc/config.sub.1 b/doc/config.sub.1
index cfbd2b9..476dee6 100644
--- a/doc/config.sub.1
+++ b/doc/config.sub.1
@@ -1,5 +1,5 @@
-.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.48.5.
-.TH CONFIG.SUB "1" "July 2023" "GNU config.sub (2023-07-31)" "User Commands"
+.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.3.
+.TH CONFIG.SUB "1" "October 2023" "GNU config.sub (2023-10-19)" "User Commands"
 .SH NAME
 config.sub \- validate and canonicalize a configuration triplet
 .SH SYNOPSIS
diff --git a/testsuite/config-sub.data b/testsuite/config-sub.data
index ba934b6..fcf66c8 100644
--- a/testsuite/config-sub.data
+++ b/testsuite/config-sub.data
@@ -870,6 +870,7 @@ x86_64-ericsson-dicos                               
x86_64-ericsson-dicos
 x86_64-fuchsia                                 x86_64-pc-fuchsia
 x86_64-genode                                  x86_64-pc-genode
 x86_64-glidix                                  x86_64-pc-glidix
+x86_64-linux-llvm                              x86_64-pc-linux-llvm
 x86_64-linux-mlibc                             x86_64-pc-linux-mlibc
 x86_64-linux-relibc                            x86_64-pc-linux-relibc
 x86_64-managarm                                        x86_64-pc-managarm-mlibc
-- 
2.42.0