configure.in: Rework gas feature code to work with symlink based source trees.

        * configure.in: Rework gas feature code to work with symlink based
        source trees.

From-SVN: r21160

3 files changed, 98 insertions, 91 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9ecf22f..1b4bf82 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -6,6 +6,9 @@ Tue Jul 14 14:15:30 1998  Nick Clifton  <nickc@cygnus.com>
 
 Tue Jul 14 14:46:08 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* configure.in: Rework gas feature code to work with symlink based
+	source trees.
+
 	* extend.texi: Clarify some issues related to local variables
 	assigned to explicit registers.
 
diff --git a/gcc/configure b/gcc/configure
index 7cac56a..d6a5a05 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
 
 # Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.12 
+# Generated automatically using autoconf version 2.12.1 
 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
 #
 # This configure script is free software; the Free Software Foundation
@@ -75,6 +75,7 @@ mandir='${prefix}/man'
 # Initialize some other variables.
 subdirs=
 MFLAGS= MAKEFLAGS=
+SHELL=${CONFIG_SHELL-/bin/sh}
 # Maximum number of lines to put in a shell here document.
 ac_max_here_lines=12
 
@@ -358,7 +359,7 @@ EOF
     verbose=yes ;;
 
   -version | --version | --versio | --versi | --vers)
-    echo "configure generated by autoconf version 2.12"
+    echo "configure generated by autoconf version 2.12.1"
     exit 0 ;;
 
   -with-* | --with-*)
@@ -744,33 +745,33 @@ esac
 
 
 # Make sure we can run config.sub.
-if $ac_config_sub sun4 >/dev/null 2>&1; then :
+if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
 else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:753: checking host system type" >&5
+echo "configure:754: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
 NONE)
   case $nonopt in
   NONE)
-    if host_alias=`$ac_config_guess`; then :
+    if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
     else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
     fi ;;
   *) host_alias=$nonopt ;;
   esac ;;
 esac
 
-host=`$ac_config_sub $host_alias`
+host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:774: checking target system type" >&5
+echo "configure:775: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -781,14 +782,14 @@ NONE)
   esac ;;
 esac
 
-target=`$ac_config_sub $target_alias`
+target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
 target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:792: checking build system type" >&5
+echo "configure:793: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -799,7 +800,7 @@ NONE)
   esac ;;
 esac
 
-build=`$ac_config_sub $build_alias`
+build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
 build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
 build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
 build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
@@ -815,7 +816,7 @@ test "$host_alias" != "$target_alias" &&
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:819: checking for $ac_word" >&5
+echo "configure:820: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -844,7 +845,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:848: checking for $ac_word" >&5
+echo "configure:849: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -892,7 +893,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:896: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:897: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -902,11 +903,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 906 "configure"
+#line 907 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:910: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:911: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -926,12 +927,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:930: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:931: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:935: checking whether we are using GNU C" >&5
+echo "configure:936: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -940,7 +941,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:944: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:945: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -955,7 +956,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:959: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:960: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -983,7 +984,7 @@ else
 fi
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:987: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:988: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1016,7 +1017,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1020: checking for $ac_word" >&5
+echo "configure:1021: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AWK'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1047,7 +1048,7 @@ done
 # Extract the first word of "flex", so it can be a program name with args.
 set dummy flex; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1051: checking for $ac_word" >&5
+echo "configure:1052: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1080,7 +1081,7 @@ then
   *) ac_lib=l ;;
   esac
   echo $ac_n "checking for yywrap in -l$ac_lib""... $ac_c" 1>&6
-echo "configure:1084: checking for yywrap in -l$ac_lib" >&5
+echo "configure:1085: checking for yywrap in -l$ac_lib" >&5
 ac_lib_var=`echo $ac_lib'_'yywrap | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1088,7 +1089,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l$ac_lib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1092 "configure"
+#line 1093 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -1099,7 +1100,7 @@ int main() {
 yywrap()
 ; return 0; }
 EOF
-if { (eval echo configure:1103: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1104: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -1122,7 +1123,7 @@ fi
 fi
 
 echo $ac_n "checking whether ln works""... $ac_c" 1>&6
-echo "configure:1126: checking whether ln works" >&5
+echo "configure:1127: checking whether ln works" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_LN'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1154,7 +1155,7 @@ else
 fi
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1158: checking whether ln -s works" >&5
+echo "configure:1159: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1186,19 +1187,19 @@ else
 fi
 
 echo $ac_n "checking for volatile""... $ac_c" 1>&6
-echo "configure:1190: checking for volatile" >&5
+echo "configure:1191: checking for volatile" >&5
 if eval "test \"`echo '$''{'gcc_cv_c_volatile'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1195 "configure"
+#line 1196 "configure"
 #include "confdefs.h"
 
 int main() {
 volatile int foo;
 ; return 0; }
 EOF
-if { (eval echo configure:1202: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1203: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_c_volatile=yes
 else
@@ -1221,7 +1222,7 @@ fi
 # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1225: checking for $ac_word" >&5
+echo "configure:1226: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1252,7 +1253,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1256: checking for $ac_word" >&5
+echo "configure:1257: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1292,7 +1293,7 @@ test -n "$YACC" || YACC="yacc"
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1296: checking for a BSD compatible install" >&5
+echo "configure:1297: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1343,7 +1344,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1347: checking how to run the C preprocessor" >&5
+echo "configure:1348: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1358,13 +1359,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1362 "configure"
+#line 1363 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1368: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1369: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1375,13 +1376,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1379 "configure"
+#line 1380 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1385: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1386: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1404,12 +1405,12 @@ fi
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1408: checking for ANSI C header files" >&5
+echo "configure:1409: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1413 "configure"
+#line 1414 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1417,7 +1418,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1421: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1422: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1434,7 +1435,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1438 "configure"
+#line 1439 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1452,7 +1453,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1456 "configure"
+#line 1457 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1473,7 +1474,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1477 "configure"
+#line 1478 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1484,7 +1485,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1488: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1489: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1508,12 +1509,12 @@ EOF
 fi
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:1512: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:1513: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1517 "configure"
+#line 1518 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -1522,7 +1523,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:1526: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1527: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -1546,17 +1547,17 @@ for ac_hdr in limits.h stddef.h string.h strings.h stdlib.h time.h fcntl.h unist
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1550: checking for $ac_hdr" >&5
+echo "configure:1551: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1555 "configure"
+#line 1556 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1560: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1561: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1586,17 +1587,17 @@ done
 # Check for thread headers.
 ac_safe=`echo "thread.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for thread.h""... $ac_c" 1>&6
-echo "configure:1590: checking for thread.h" >&5
+echo "configure:1591: checking for thread.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1595 "configure"
+#line 1596 "configure"
 #include "confdefs.h"
 #include <thread.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1600: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1601: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1620,17 +1621,17 @@ fi
 
 ac_safe=`echo "pthread.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for pthread.h""... $ac_c" 1>&6
-echo "configure:1624: checking for pthread.h" >&5
+echo "configure:1625: checking for pthread.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1629 "configure"
+#line 1630 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1634: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1635: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1656,12 +1657,12 @@ fi
 # See if the system preprocessor understands the ANSI C preprocessor
 # stringification operator.
 echo $ac_n "checking whether cpp understands the stringify operator""... $ac_c" 1>&6
-echo "configure:1660: checking whether cpp understands the stringify operator" >&5
+echo "configure:1661: checking whether cpp understands the stringify operator" >&5
 if eval "test \"`echo '$''{'gcc_cv_c_have_stringify'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1665 "configure"
+#line 1666 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -1669,7 +1670,7 @@ int main() {
 char *test = S(foo);
 ; return 0; }
 EOF
-if { (eval echo configure:1673: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1674: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_c_have_stringify=yes
 else
@@ -1692,12 +1693,12 @@ fi
 # Use <inttypes.h> only if it exists,
 # doesn't clash with <sys/types.h>, and declares intmax_t.
 echo $ac_n "checking for inttypes.h""... $ac_c" 1>&6
-echo "configure:1696: checking for inttypes.h" >&5
+echo "configure:1697: checking for inttypes.h" >&5
 if eval "test \"`echo '$''{'gcc_cv_header_inttypes_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1701 "configure"
+#line 1702 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <inttypes.h>
@@ -1705,7 +1706,7 @@ int main() {
 intmax_t i = -1;
 ; return 0; }
 EOF
-if { (eval echo configure:1709: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1710: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<EOF
 #define HAVE_INTTYPES_H 1
@@ -1728,12 +1729,12 @@ for ac_func in strtoul bsearch strerror putenv popen bcopy bzero bcmp \
 	sysconf isascii gettimeofday
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:1732: checking for $ac_func" >&5
+echo "configure:1733: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1737 "configure"
+#line 1738 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1756,7 +1757,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1760: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1761: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -1782,12 +1783,12 @@ done
 
 
 echo $ac_n "checking for vprintf""... $ac_c" 1>&6
-echo "configure:1786: checking for vprintf" >&5
+echo "configure:1787: checking for vprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1791 "configure"
+#line 1792 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vprintf(); below.  */
@@ -1810,7 +1811,7 @@ vprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1814: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1815: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_vprintf=yes"
 else
@@ -1834,12 +1835,12 @@ fi
 
 if test "$ac_cv_func_vprintf" != yes; then
 echo $ac_n "checking for _doprnt""... $ac_c" 1>&6
-echo "configure:1838: checking for _doprnt" >&5
+echo "configure:1839: checking for _doprnt" >&5
 if eval "test \"`echo '$''{'ac_cv_func__doprnt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1843 "configure"
+#line 1844 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char _doprnt(); below.  */
@@ -1862,7 +1863,7 @@ _doprnt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1866: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1867: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func__doprnt=yes"
 else
@@ -1898,7 +1899,7 @@ fi
 
 
 echo $ac_n "checking whether the printf functions support %p""... $ac_c" 1>&6
-echo "configure:1902: checking whether the printf functions support %p" >&5
+echo "configure:1903: checking whether the printf functions support %p" >&5
 if eval "test \"`echo '$''{'gcc_cv_func_printf_ptr'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1906,7 +1907,7 @@ else
   gcc_cv_func_printf_ptr=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 1910 "configure"
+#line 1911 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 
@@ -1919,7 +1920,7 @@ main()
   exit (p != q);
 }
 EOF
-if { (eval echo configure:1923: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1924: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   gcc_cv_func_printf_ptr=yes
 else
@@ -1947,12 +1948,12 @@ for ac_func in malloc realloc calloc free bcopy bzero bcmp \
 	index rindex getenv atol sbrk abort atof strerror getcwd getwd
 do
 echo $ac_n "checking whether $ac_func must be declared""... $ac_c" 1>&6
-echo "configure:1951: checking whether $ac_func must be declared" >&5
+echo "configure:1952: checking whether $ac_func must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1956 "configure"
+#line 1957 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1980,7 +1981,7 @@ int main() {
 char *(*pfn) = (char *(*)) $ac_func
 ; return 0; }
 EOF
-if { (eval echo configure:1984: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1985: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "gcc_cv_decl_needed_$ac_func=no"
 else
@@ -2009,12 +2010,12 @@ done
 for ac_func in getrlimit setrlimit
 do
 echo $ac_n "checking whether $ac_func must be declared""... $ac_c" 1>&6
-echo "configure:2013: checking whether $ac_func must be declared" >&5
+echo "configure:2014: checking whether $ac_func must be declared" >&5
 if eval "test \"`echo '$''{'gcc_cv_decl_needed_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2018 "configure"
+#line 2019 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -2046,7 +2047,7 @@ int main() {
 char *(*pfn) = (char *(*)) $ac_func
 ; return 0; }
 EOF
-if { (eval echo configure:2050: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2051: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "gcc_cv_decl_needed_$ac_func=no"
 else
@@ -2073,12 +2074,12 @@ done
 
 
 echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6
-echo "configure:2077: checking for sys_siglist declaration in signal.h or unistd.h" >&5
+echo "configure:2078: checking for sys_siglist declaration in signal.h or unistd.h" >&5
 if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2082 "configure"
+#line 2083 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -2090,7 +2091,7 @@ int main() {
 char *msg = *(sys_siglist + 1);
 ; return 0; }
 EOF
-if { (eval echo configure:2094: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2095: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_decl_sys_siglist=yes
 else
@@ -5227,15 +5228,16 @@ fi
 
 # Figure out what assembler alignment features are present.
 echo $ac_n "checking assembler alignment features""... $ac_c" 1>&6
-echo "configure:5229: checking assembler alignment features" >&5
+echo "configure:5232: checking assembler alignment features" >&5
 gcc_cv_as=
 gcc_cv_as_alignment_features=
+gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,gcc$,gas,'`
 if [ -x as$host_exeext ]; then
 	# Build using assembler in the current directory.
 	gcc_cv_as=./as$host_exeext
-elif [ -f $srcdir/../gas/configure.in ]; then
+elif [ -f $gcc_cv_as_gas_srcdir/configure.in ]; then
 	# Single tree build which includes gas.
-	for f in $srcdir/../gas/configure $srcdir/../gas/configure.in $srcdir/../gas/Makefile.in
+	for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
 	do
 		gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
 		if [ x$gcc_cv_gas_version != x ]; then
@@ -5598,7 +5600,7 @@ EOF
 # Ultrix sh set writes to stderr and can't be redirected directly,
 # and sets the high bit in the cache file unless we assign to the vars.
 (set) 2>&1 |
-  case `(ac_space=' '; set) 2>&1` in
+  case `(ac_space=' '; set) 2>&1 | grep ac_space` in
   *ac_space=\ *)
     # `set' does not quote correctly, so add quotes (double-quote substitution
     # turns \\\\ into \\, and sed turns \\ into \).
@@ -5665,7 +5667,7 @@ do
     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
-    echo "$CONFIG_STATUS generated by autoconf version 2.12"
+    echo "$CONFIG_STATUS generated by autoconf version 2.12.1"
     exit 0 ;;
   -help | --help | --hel | --he | --h)
     echo "\$ac_cs_usage"; exit 0 ;;
@@ -5684,6 +5686,7 @@ sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
  s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
 $ac_vpsub
 $extrasub
+s%@SHELL@%$SHELL%g
 s%@CFLAGS@%$CFLAGS%g
 s%@CPPFLAGS@%$CPPFLAGS%g
 s%@CXXFLAGS@%$CXXFLAGS%g
diff --git a/gcc/configure.in b/gcc/configure.in
index 770cf72..6791547 100644
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -3326,12 +3326,13 @@ fi
 AC_MSG_CHECKING(assembler alignment features)
 gcc_cv_as=
 gcc_cv_as_alignment_features=
+gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,gcc$,gas,'`
 if [[ -x as$host_exeext ]]; then
 	# Build using assembler in the current directory.
 	gcc_cv_as=./as$host_exeext
-elif [[ -f $srcdir/../gas/configure.in ]]; then
+elif [[ -f $gcc_cv_as_gas_srcdir/configure.in ]]; then
 	# Single tree build which includes gas.
-	for f in $srcdir/../gas/configure $srcdir/../gas/configure.in $srcdir/../gas/Makefile.in
+	for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in
 	do
 		gcc_cv_gas_version=`grep '^VERSION=[[0-9]]*\.[[0-9]]*' $f`
 		if [[ x$gcc_cv_gas_version != x ]]; then