Fix host/target confusion with enable_threads, reported by Brendan Kehoe.

	* configure.in (enable_threads): Rename to enable_threads_flag before
	main loop.  Set enable_threads to enable_threads_flag inside main
	loop.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@19615 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 85 insertions, 75 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a772a8cbf51..35992e14ea5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+Thu May  7 15:39:14 1998  Jim Wilson  <wilson@cygnus.com>
+
+	* configure.in (enable_threads): Rename to enable_threads_flag before
+	main loop.  Set enable_threads to enable_threads_flag inside main
+	loop.
+
 Thu May  7 17:38:03 1998  Michael Meissner  <meissner@cygnus.com>
 
 	* r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
diff --git a/gcc/configure b/gcc/configure
index ce2613c41ef..5d8b74f97a4 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -666,8 +666,9 @@ else
 fi
 
 
+enable_threads_flag=$enable_threads
 # Check if a valid thread package
-case x${enable_threads} in
+case x${enable_threads_flag} in
 	x | xno)
 		# No threads
 		target_thread_file='single'
@@ -678,7 +679,7 @@ case x${enable_threads} in
 		;;
 	xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
 	xsolaris | xwin32 | xdce | xvxworks)
-		target_thread_file=$enable_threads
+		target_thread_file=$enable_threads_flag
 		;;
 	*)
 		echo "$enable_threads is an unknown thread package" 1>&2
@@ -734,7 +735,7 @@ 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:738: checking host system type" >&5
+echo "configure:739: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -755,7 +756,7 @@ 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:759: checking target system type" >&5
+echo "configure:760: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -773,7 +774,7 @@ 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:777: checking build system type" >&5
+echo "configure:778: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -800,7 +801,7 @@ 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:804: checking for $ac_word" >&5
+echo "configure:805: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -829,7 +830,7 @@ if test -z "$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:833: checking for $ac_word" >&5
+echo "configure:834: 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
@@ -877,7 +878,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:881: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:882: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -887,11 +888,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 891 "configure"
+#line 892 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:895: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:896: \"$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
@@ -911,12 +912,12 @@ 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""... $ac_c" 1>&6
-echo "configure:915: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:916: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:920: checking whether we are using GNU C" >&5
+echo "configure:921: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -925,7 +926,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:929: \"$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:930: \"$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
@@ -940,7 +941,7 @@ 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:944: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:945: 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
@@ -968,7 +969,7 @@ else
 fi
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:972: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:973: 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) $ac_c" 1>&6
@@ -1001,7 +1002,7 @@ do
 # Extract the first word of "$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:1005: checking for $ac_word" >&5
+echo "configure:1006: 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
@@ -1032,7 +1033,7 @@ 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:1036: checking for $ac_word" >&5
+echo "configure:1037: 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
@@ -1065,7 +1066,7 @@ then
   *) ac_lib=l ;;
   esac
   echo $ac_n "checking for yywrap in -l$ac_lib""... $ac_c" 1>&6
-echo "configure:1069: checking for yywrap in -l$ac_lib" >&5
+echo "configure:1070: 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) $ac_c" 1>&6
@@ -1073,7 +1074,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l$ac_lib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1077 "configure"
+#line 1078 "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
@@ -1084,7 +1085,7 @@ int main() {
 yywrap()
 ; return 0; }
 EOF
-if { (eval echo configure:1088: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1089: \"$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
@@ -1107,7 +1108,7 @@ fi
 fi
 
 echo $ac_n "checking whether ln works""... $ac_c" 1>&6
-echo "configure:1111: checking whether ln works" >&5
+echo "configure:1112: checking whether ln works" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_LN'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1139,7 +1140,7 @@ else
 fi
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1143: checking whether ln -s works" >&5
+echo "configure:1144: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'gcc_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1173,7 +1174,7 @@ 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:1177: checking for $ac_word" >&5
+echo "configure:1178: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1204,7 +1205,7 @@ do
 # Extract the first word of "$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:1208: checking for $ac_word" >&5
+echo "configure:1209: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1244,7 +1245,7 @@ test -n "$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""... $ac_c" 1>&6
-echo "configure:1248: checking for a BSD compatible install" >&5
+echo "configure:1249: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1295,7 +1296,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1299: checking how to run the C preprocessor" >&5
+echo "configure:1300: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1310,13 +1311,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1314 "configure"
+#line 1315 "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:1320: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1321: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1327,13 +1328,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1331 "configure"
+#line 1332 "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:1337: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1338: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   :
@@ -1356,12 +1357,12 @@ fi
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1360: checking for ANSI C header files" >&5
+echo "configure:1361: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1365 "configure"
+#line 1366 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1369,7 +1370,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1373: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1374: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1386,7 +1387,7 @@ 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 1390 "configure"
+#line 1391 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1404,7 +1405,7 @@ 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 1408 "configure"
+#line 1409 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1425,7 +1426,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1429 "configure"
+#line 1430 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1436,7 +1437,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1440: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1441: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1460,12 +1461,12 @@ EOF
 fi
 
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:1464: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:1465: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1469 "configure"
+#line 1470 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -1474,7 +1475,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:1478: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1479: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -1498,17 +1499,17 @@ for ac_hdr in limits.h stddef.h string.h strings.h stdlib.h time.h fcntl.h unist
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1502: checking for $ac_hdr" >&5
+echo "configure:1503: 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 1507 "configure"
+#line 1508 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1512: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1513: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1538,17 +1539,17 @@ done
 # Check for thread headers.
 ac_safe=`echo "thread.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for thread.h""... $ac_c" 1>&6
-echo "configure:1542: checking for thread.h" >&5
+echo "configure:1543: checking for thread.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1547 "configure"
+#line 1548 "configure"
 #include "confdefs.h"
 #include <thread.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1552: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1553: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1572,17 +1573,17 @@ fi
 
 ac_safe=`echo "pthread.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for pthread.h""... $ac_c" 1>&6
-echo "configure:1576: checking for pthread.h" >&5
+echo "configure:1577: checking for pthread.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1581 "configure"
+#line 1582 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1586: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1587: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1608,12 +1609,12 @@ fi
 # See if the system preprocessor understands the ANSI C preprocessor
 # stringification operator.
 echo $ac_n "checking whether cpp understands the stringify operator""... $ac_c" 1>&6
-echo "configure:1612: checking whether cpp understands the stringify operator" >&5
+echo "configure:1613: checking whether cpp understands the stringify operator" >&5
 if eval "test \"`echo '$''{'gcc_cv_c_have_stringify'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1617 "configure"
+#line 1618 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -1621,7 +1622,7 @@ int main() {
 char *test = S(foo);
 ; return 0; }
 EOF
-if { (eval echo configure:1625: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1626: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   gcc_cv_c_have_stringify=yes
 else
@@ -1644,12 +1645,12 @@ 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""... $ac_c" 1>&6
-echo "configure:1648: checking for inttypes.h" >&5
+echo "configure:1649: checking for inttypes.h" >&5
 if eval "test \"`echo '$''{'gcc_cv_header_inttypes_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1653 "configure"
+#line 1654 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <inttypes.h>
@@ -1657,7 +1658,7 @@ int main() {
 intmax_t i = -1;
 ; return 0; }
 EOF
-if { (eval echo configure:1661: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1662: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<EOF
 #define HAVE_INTTYPES_H 1
@@ -1680,12 +1681,12 @@ for ac_func in strtoul bsearch strerror putenv popen bcopy bzero bcmp \
 	sysconf isascii
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:1684: checking for $ac_func" >&5
+echo "configure:1685: 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 1689 "configure"
+#line 1690 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1708,7 +1709,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1712: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1713: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -1734,12 +1735,12 @@ done
 
 
 echo $ac_n "checking for vprintf""... $ac_c" 1>&6
-echo "configure:1738: checking for vprintf" >&5
+echo "configure:1739: checking for vprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1743 "configure"
+#line 1744 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vprintf(); below.  */
@@ -1762,7 +1763,7 @@ vprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1766: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1767: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_vprintf=yes"
 else
@@ -1786,12 +1787,12 @@ fi
 
 if test "$ac_cv_func_vprintf" != yes; then
 echo $ac_n "checking for _doprnt""... $ac_c" 1>&6
-echo "configure:1790: checking for _doprnt" >&5
+echo "configure:1791: checking for _doprnt" >&5
 if eval "test \"`echo '$''{'ac_cv_func__doprnt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1795 "configure"
+#line 1796 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char _doprnt(); below.  */
@@ -1814,7 +1815,7 @@ _doprnt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1818: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1819: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func__doprnt=yes"
 else
@@ -1850,7 +1851,7 @@ fi
 
 
 echo $ac_n "checking whether the printf functions support %p""... $ac_c" 1>&6
-echo "configure:1854: checking whether the printf functions support %p" >&5
+echo "configure:1855: checking whether the printf functions support %p" >&5
 if eval "test \"`echo '$''{'gcc_cv_func_printf_ptr'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1858,7 +1859,7 @@ else
   gcc_cv_func_printf_ptr=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 1862 "configure"
+#line 1863 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 
@@ -1871,7 +1872,7 @@ main()
   exit (p != q);
 }
 EOF
-if { (eval echo configure:1875: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1876: \"$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
@@ -1899,12 +1900,12 @@ for ac_func in malloc realloc calloc free bcopy bzero bcmp \
 	index rindex getenv atol sbrk abort atof
 do
 echo $ac_n "checking whether $ac_func must be declared""... $ac_c" 1>&6
-echo "configure:1903: checking whether $ac_func must be declared" >&5
+echo "configure:1904: 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 1908 "configure"
+#line 1909 "configure"
 #include "confdefs.h"
 
 #include <stdio.h>
@@ -1931,7 +1932,7 @@ int main() {
 char *(*pfn) = (char *(*)) $ac_func
 ; return 0; }
 EOF
-if { (eval echo configure:1935: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1936: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "gcc_cv_decl_needed_$ac_func=no"
 else
@@ -1958,12 +1959,12 @@ done
 
 
 echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6
-echo "configure:1962: checking for sys_siglist declaration in signal.h or unistd.h" >&5
+echo "configure:1963: checking for sys_siglist declaration in signal.h or unistd.h" >&5
 if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1967 "configure"
+#line 1968 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -1975,7 +1976,7 @@ int main() {
 char *msg = *(sys_siglist + 1);
 ; return 0; }
 EOF
-if { (eval echo configure:1979: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1980: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_decl_sys_siglist=yes
 else
@@ -2056,6 +2057,7 @@ for machine in $build $host $target; do
 	# configure entries modify them.
 	gas="$gas_flag"
 	gnu_ld="$gnu_ld_flag"
+	enable_threads=$enable_threads_flag
 
 	# Set default cpu_type, tm_file and xm_file so it can be updated in
 	# each machine entry.
diff --git a/gcc/configure.in b/gcc/configure.in
index 766ed283fdc..b403cdd63cd 100644
--- a/gcc/configure.in
+++ b/gcc/configure.in
@@ -110,8 +110,9 @@ if [[[ x$enable_threads = xno ]]]; then
 fi,
 enable_threads='')
 
+enable_threads_flag=$enable_threads
 # Check if a valid thread package
-case x${enable_threads} in
+case x${enable_threads_flag} in
 	x | xno)
 		# No threads
 		target_thread_file='single'
@@ -122,7 +123,7 @@ case x${enable_threads} in
 		;;
 	xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
 	xsolaris | xwin32 | xdce | xvxworks)
-		target_thread_file=$enable_threads
+		target_thread_file=$enable_threads_flag
 		;;
 	*)
 		echo "$enable_threads is an unknown thread package" 1>&2
@@ -252,6 +253,7 @@ for machine in $build $host $target; do
 	# configure entries modify them.
 	gas="$gas_flag"
 	gnu_ld="$gnu_ld_flag"
+	enable_threads=$enable_threads_flag
 
 	# Set default cpu_type, tm_file and xm_file so it can be updated in
 	# each machine entry.