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revision 9862 by michael, Mon Nov 16 11:13:27 2020 UTC revision 9863 by michael, Sat Jan 2 18:39:36 2021 UTC
# Line 2  Line 2 
2  # Attempt to guess a canonical system name.  # Attempt to guess a canonical system name.
3  #   Copyright 1992-2020 Free Software Foundation, Inc.  #   Copyright 1992-2020 Free Software Foundation, Inc.
4    
5  timestamp='2020-11-07'  timestamp='2020-12-22'
6    
7  # This file is free software; you can redistribute it and/or modify it  # This file is free software; you can redistribute it and/or modify it
8  # under the terms of the GNU General Public License as published by  # under the terms of the GNU General Public License as published by
# Line 27  timestamp='2020-11-07' Line 27  timestamp='2020-11-07'
27  # Originally written by Per Bothner; maintained since 2000 by Ben Elliston.  # Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
28  #  #
29  # You can get the latest version of this script from:  # You can get the latest version of this script from:
30  # 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
31  #  #
32  # Please send patches to <config-patches@gnu.org>.  # Please send patches to <config-patches@gnu.org>.
33    
# Line 138  UNAME_VERSION=$( (uname -v) 2>/dev/null) Line 138  UNAME_VERSION=$( (uname -v) 2>/dev/null)
138    
139  case "$UNAME_SYSTEM" in  case "$UNAME_SYSTEM" in
140  Linux|GNU|GNU/*)  Linux|GNU|GNU/*)
141          # If the system lacks a compiler, then just pick glibc.          LIBC=unknown
         # We could probably try harder.  
         LIBC=gnu  
142    
143          set_cc_for_build          set_cc_for_build
144          cat <<-EOF > "$dummy.c"          cat <<-EOF > "$dummy.c"
# Line 149  Linux|GNU|GNU/*) Line 147  Linux|GNU|GNU/*)
147          LIBC=uclibc          LIBC=uclibc
148          #elif defined(__dietlibc__)          #elif defined(__dietlibc__)
149          LIBC=dietlibc          LIBC=dietlibc
150            #elif defined(__GLIBC__)
151            LIBC=gnu
152          #else          #else
153          #include <stdarg.h>          #include <stdarg.h>
154            /* First heuristic to detect musl libc.  */
155          #ifdef __DEFINED_va_list          #ifdef __DEFINED_va_list
156          LIBC=musl          LIBC=musl
         #else  
         LIBC=gnu  
157          #endif          #endif
158          #endif          #endif
159          EOF          EOF
160          eval "$($CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g')"          eval "$($CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g')"
161    
162            # Second heuristic to detect musl libc.
163            if [ "$LIBC" = unknown ] &&
164               command -v ldd >/dev/null &&
165               ldd --version 2>&1 | grep -q ^musl; then
166                    LIBC=musl
167            fi
168    
169            # If the system lacks a compiler, then just pick glibc.
170            # We could probably try harder.
171            if [ "$LIBC" = unknown ]; then
172                    LIBC=gnu
173            fi
174          ;;          ;;
175  esac  esac
176    
# Line 984  EOF Line 996  EOF
996      k1om:Linux:*:*)      k1om:Linux:*:*)
997          echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"          echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
998          exit ;;          exit ;;
999        loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*)
1000            echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1001            exit ;;
1002      m32r*:Linux:*:*)      m32r*:Linux:*:*)
1003          echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"          echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
1004          exit ;;          exit ;;
# Line 1638  This script (version $timestamp), has fa Line 1653  This script (version $timestamp), has fa
1653  operating system you are using. If your script is old, overwrite *all*  operating system you are using. If your script is old, overwrite *all*
1654  copies of config.guess and config.sub with the latest versions from:  copies of config.guess and config.sub with the latest versions from:
1655    
1656    https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess    https://git.savannah.gnu.org/cgit/config.git/plain/config.guess
1657  and  and
1658    https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub    https://git.savannah.gnu.org/cgit/config.git/plain/config.sub
1659  EOF  EOF
1660    
1661  year=$(echo $timestamp | sed 's,-.*,,')  year=$(echo $timestamp | sed 's,-.*,,')
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