FYI: AC_SUBST of build_alias etc.

[Akim Demaille]

Index: ChangeLog
from  Akim Demaille  <address@hidden>

        `build_alias' and so on are not AC_SUBST'd.
        Reported by Bruno Haible.

        * acgeneral.m4 (AC_ARG_VAR): Move the AC_SUBST, from here...
        (_AC_ARG_VAR_PRECIOUS): to here.

Index: NEWS
===================================================================
RCS file: /cvs/autoconf/NEWS,v
retrieving revision 1.155
diff -u -u -r1.155 NEWS
--- NEWS 2001/06/13 15:30:27 1.155
+++ NEWS 2001/06/15 17:40:14
@@ -11,6 +11,7 @@
   literal.
 - HAVE_INTTYPES_H is defined only if not conflicting with previous
   headers.
+- build_, host_, and target_alias are AC_SUBST as in 2.13.
 
 ** Generic macros
 - AC_CHECK_HEADER and AC_CHECK_HEADERS support a fourth argument to
Index: acgeneral.m4
===================================================================
RCS file: /cvs/autoconf/acgeneral.m4,v
retrieving revision 1.733
diff -u -u -r1.733 acgeneral.m4
--- acgeneral.m4 2001/06/13 08:45:39 1.733
+++ acgeneral.m4 2001/06/15 17:40:15
@@ -1502,7 +1502,8 @@
 # In subsequent runs, after having loaded the cache, compare
 # ac_cv_env_foo against ac_env_foo.  See _AC_ARG_VAR_VALIDATE.
 m4_define([_AC_ARG_VAR_PRECIOUS],
-[m4_divert_once([PARSE_ARGS],
+[AC_SUBST([$1])dnl
+m4_divert_once([PARSE_ARGS],
 [ac_env_$1_set=${$1+set}
 ac_env_$1_value=$$1
 ac_cv_env_$1_set=${$1+set}
@@ -1560,7 +1561,6 @@
                                [AC_HELP_STRING([$1], [$2], [              
])])],
                [$0($1)])dnl
 _AC_ARG_VAR_PRECIOUS([$1])dnl
-AC_SUBST([$1])dnl
 ])# AC_ARG_VAR
 
 
Index: configure
===================================================================
RCS file: /cvs/autoconf/configure,v
retrieving revision 1.138
diff -u -u -r1.138 configure
--- configure 2001/06/13 16:26:51 1.138
+++ configure 2001/06/15 17:40:15
@@ -1787,6 +1787,9 @@
 s,@PACKAGE_VERSION@,$PACKAGE_VERSION,;t t
 s,@PACKAGE_STRING@,$PACKAGE_STRING,;t t
 s,@PACKAGE_BUGREPORT@,$PACKAGE_BUGREPORT,;t t
+s,@build_alias@,$build_alias,;t t
+s,@host_alias@,$host_alias,;t t
+s,@target_alias@,$target_alias,;t t
 s,@ECHO_C@,$ECHO_C,;t t
 s,@ECHO_N@,$ECHO_N,;t t
 s,@ECHO_T@,$ECHO_T,;t t
@@ -1925,7 +1928,7 @@
   esac
 
   if test x"$ac_file" != x-; then
-    { echo "$as_me:1928: creating $ac_file" >&5
+    { echo "$as_me:1931: creating $ac_file" >&5
 echo "$as_me: creating $ac_file" >&6;}
     rm -f "$ac_file"
   fi
@@ -1943,7 +1946,7 @@
       -) echo $tmp/stdin ;;
       [\\/$]*)
          # Absolute (can't be DOS-style, as IFS=:)
-         test -f "$f" || { { echo "$as_me:1946: error: cannot find input file: 
$f" >&5
+         test -f "$f" || { { echo "$as_me:1949: error: cannot find input file: 
$f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
          echo $f;;
@@ -1956,7 +1959,7 @@
            echo $srcdir/$f
          else
            # /dev/null tree
-           { { echo "$as_me:1959: error: cannot find input file: $f" >&5
+           { { echo "$as_me:1962: error: cannot find input file: $f" >&5
 echo "$as_me: error: cannot find input file: $f" >&2;}
    { (exit 1); exit 1; }; }
          fi;;