Simplify logic behind the generic configuration option --enable-sim-alignment.

15 files changed, 145 insertions, 50 deletions

diff --git a/sim/arm/ChangeLog b/sim/arm/ChangeLog
index 73a5e50dd4..dc06ee6b80 100644
--- a/sim/arm/ChangeLog
+++ b/sim/arm/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* configure: Regenerated to track ../common/aclocal.m4 changes.
+
 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 14261ef341..b0e3a2edb6 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,3 +1,12 @@
+Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* configure: Regenerated to track ../common/aclocal.m4 changes.
+
+Mon Sep 22 11:45:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* aclocal.m4 (sim_alignment): Simplify logic for selecting the
+ 	configured alignment.
+
 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
diff --git a/sim/common/aclocal.m4 b/sim/common/aclocal.m4
index d3e6843eac..d05e8f813d 100644
--- a/sim/common/aclocal.m4
+++ b/sim/common/aclocal.m4
@@ -211,13 +211,12 @@ dnl and SIM_AC_OUTPUT lines.
 
 
 dnl Specify the alignment restrictions of the target architecture.
-dnl Without this option all possible alignment restrictions are accomidated.
+dnl Without this option all possible alignment restrictions are accommodated.
 dnl arg[1] is hardwired target alignment
 dnl arg[2] is default target alignment
 AC_DEFUN(SIM_AC_OPTION_ALIGNMENT,
-wire_alignment="ifelse([$2],,ifelse([$1],,,[$1]),[$2])"
-default_alignment="ifelse([$2],,ifelse([$1],,,[$1]),[$2])"
-default_sim_alignment="ifelse([$1],,ifelse([$2],,,-DWITH_DEFAULT_ALIGNMENT=[$2]),-DWITH_ALIGNMENT=[$1])"
+wire_alignment="[$1]"
+default_alignment="[$2]"
 [
 AC_ARG_ENABLE(sim-alignment,
 [  --enable-sim-alignment=align		Specify strict,  nonstrict or forced alignment of memory accesses.],
@@ -228,20 +227,37 @@ AC_ARG_ENABLE(sim-alignment,
   yes) if test x"$wire_alignment" != x; then
 	 sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
        else
-	 echo "No hard-wired alignment for target $target" 1>&6
-	 sim_alignment="-DWITH_ALIGNMENT=0"
+         if test x"$default_alignment" != x; then
+           sim_alignment="-DWITH_ALIGNMENT=${default_alignment}"
+         else
+	   echo "No hard-wired alignment for target $target" 1>&6
+	   sim_alignment="-DWITH_ALIGNMENT=0"
+         fi
        fi;;
   no)  if test x"$default_alignment" != x; then
 	 sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
        else
-	 echo "No default alignment for target $target" 1>&6
-	 sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
+         if test x"$wire_alignment" != x; then
+	   sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${wire_alignment}"
+         else
+           echo "No default alignment for target $target" 1>&6
+           sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
+         fi
        fi;;
   *)   AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment"); sim_alignment="";;
 esac
 if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then
   echo "Setting alignment flags = $sim_alignment" 6>&1
-fi],[sim_alignment="${default_sim_alignment}"])dnl
+fi],
+[if test x"$default_alignment" != x; then
+  sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
+else
+  if test x"$wire_alignment" != x; then
+    sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
+  else
+    sim_alignment=
+  fi
+fi])dnl
 AC_SUBST(sim_alignment)
 ])dnl
 
diff --git a/sim/d10v/ChangeLog b/sim/d10v/ChangeLog
index 18d07690d6..f0becaac89 100644
--- a/sim/d10v/ChangeLog
+++ b/sim/d10v/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* configure: Regenerated to track ../common/aclocal.m4 changes.
+
 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
diff --git a/sim/erc32/ChangeLog b/sim/erc32/ChangeLog
index 451c9619f6..2b0a075793 100644
--- a/sim/erc32/ChangeLog
+++ b/sim/erc32/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* configure: Regenerated to track ../common/aclocal.m4 changes.
+
 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
diff --git a/sim/h8300/ChangeLog b/sim/h8300/ChangeLog
index e490d052de..9e8d649393 100644
--- a/sim/h8300/ChangeLog
+++ b/sim/h8300/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* configure: Regenerated to track ../common/aclocal.m4 changes.
+
 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
diff --git a/sim/m32r/ChangeLog b/sim/m32r/ChangeLog
index 64c3c47b41..138ff2e63c 100644
--- a/sim/m32r/ChangeLog
+++ b/sim/m32r/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* configure: Regenerated to track ../common/aclocal.m4 changes.
+
 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog
index ff6f25603b..ece3c97913 100644
--- a/sim/mips/ChangeLog
+++ b/sim/mips/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* configure: Regenerated to track ../common/aclocal.m4 changes.
+
 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
diff --git a/sim/mn10300/ChangeLog b/sim/mn10300/ChangeLog
index d131cfc963..1e1d40f6ff 100644
--- a/sim/mn10300/ChangeLog
+++ b/sim/mn10300/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* configure: Regenerated to track ../common/aclocal.m4 changes.
+
 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
diff --git a/sim/sh/ChangeLog b/sim/sh/ChangeLog
index 025de9bb55..62fd70aabb 100644
--- a/sim/sh/ChangeLog
+++ b/sim/sh/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* configure: Regenerated to track ../common/aclocal.m4 changes.
+
 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
diff --git a/sim/tic80/ChangeLog b/sim/tic80/ChangeLog
index bfd4ff4ddd..995c401084 100644
--- a/sim/tic80/ChangeLog
+++ b/sim/tic80/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* configure: Regenerated to track ../common/aclocal.m4 changes.
+
 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure: Regenerated to track ../common/aclocal.m4 changes.
diff --git a/sim/tic80/configure b/sim/tic80/configure
index 21e32a66d5..0eeed7d8ab 100755
--- a/sim/tic80/configure
+++ b/sim/tic80/configure
@@ -1372,9 +1372,8 @@ else
 fi
 
 
-wire_alignment=""
+wire_alignment="FORCED_ALIGNMENT"
 default_alignment=""
-default_sim_alignment="-DWITH_ALIGNMENT=FORCED_ALIGNMENT"
 
 # Check whether --enable-sim-alignment or --disable-sim-alignment was given.
 if test "${enable_sim_alignment+set}" = set; then
@@ -1386,14 +1385,22 @@ if test "${enable_sim_alignment+set}" = set; then
   yes) if test x"$wire_alignment" != x; then
 	 sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
        else
-	 echo "No hard-wired alignment for target $target" 1>&6
-	 sim_alignment="-DWITH_ALIGNMENT=0"
+         if test x"$default_alignment" != x; then
+           sim_alignment="-DWITH_ALIGNMENT=${default_alignment}"
+         else
+	   echo "No hard-wired alignment for target $target" 1>&6
+	   sim_alignment="-DWITH_ALIGNMENT=0"
+         fi
        fi;;
   no)  if test x"$default_alignment" != x; then
 	 sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
        else
-	 echo "No default alignment for target $target" 1>&6
-	 sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
+         if test x"$wire_alignment" != x; then
+	   sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${wire_alignment}"
+         else
+           echo "No default alignment for target $target" 1>&6
+           sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
+         fi
        fi;;
   *)   { echo "configure: error: "Unknown value $enableval passed to --enable-sim-alignment"" 1>&2; exit 1; }; sim_alignment="";;
 esac
@@ -1401,7 +1408,15 @@ if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then
   echo "Setting alignment flags = $sim_alignment" 6>&1
 fi
 else
-  sim_alignment="${default_sim_alignment}"
+  if test x"$default_alignment" != x; then
+  sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
+else
+  if test x"$wire_alignment" != x; then
+    sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
+  else
+    sim_alignment=
+  fi
+fi
 fi
 
 
@@ -1422,14 +1437,14 @@ else
   
 if test "x$cross_compiling" = "xno"; then
   echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:1426: checking whether byte ordering is bigendian" >&5
+echo "configure:1441: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 1433 "configure"
+#line 1448 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1440,11 +1455,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:1444: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1459: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 1448 "configure"
+#line 1463 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1455,7 +1470,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:1459: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1474: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -1475,7 +1490,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1479 "configure"
+#line 1494 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -1488,7 +1503,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:1492: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1507: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -1562,17 +1577,17 @@ for ac_hdr in stdlib.h unistd.h string.h strings.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1566: checking for $ac_hdr" >&5
+echo "configure:1581: 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 1571 "configure"
+#line 1586 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1576: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1591: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1601,12 +1616,12 @@ done
 for ac_func in getpid kill
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:1605: checking for $ac_func" >&5
+echo "configure:1620: 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 1610 "configure"
+#line 1625 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1629,7 +1644,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1633: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
diff --git a/sim/v850/ChangeLog b/sim/v850/ChangeLog
index 3b37f80e12..ebc009f274 100644
--- a/sim/v850/ChangeLog
+++ b/sim/v850/ChangeLog
@@ -1,3 +1,7 @@
+Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
+
+	* configure: Regenerated to track ../common/aclocal.m4 changes.
+
 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 
 	* configure.in: Specify NONSTRICT_ALIGNMENT as the default.
diff --git a/sim/v850/configure b/sim/v850/configure
index 9b8e2770bf..cdb603f051 100755
--- a/sim/v850/configure
+++ b/sim/v850/configure
@@ -1330,8 +1330,7 @@ fi
 
 
 wire_alignment="NONSTRICT_ALIGNMENT"
-default_alignment="NONSTRICT_ALIGNMENT"
-default_sim_alignment="-DWITH_ALIGNMENT="
+default_alignment=""
 
 # Check whether --enable-sim-alignment or --disable-sim-alignment was given.
 if test "${enable_sim_alignment+set}" = set; then
@@ -1343,14 +1342,22 @@ if test "${enable_sim_alignment+set}" = set; then
   yes) if test x"$wire_alignment" != x; then
 	 sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
        else
-	 echo "No hard-wired alignment for target $target" 1>&6
-	 sim_alignment="-DWITH_ALIGNMENT=0"
+         if test x"$default_alignment" != x; then
+           sim_alignment="-DWITH_ALIGNMENT=${default_alignment}"
+         else
+	   echo "No hard-wired alignment for target $target" 1>&6
+	   sim_alignment="-DWITH_ALIGNMENT=0"
+         fi
        fi;;
   no)  if test x"$default_alignment" != x; then
 	 sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
        else
-	 echo "No default alignment for target $target" 1>&6
-	 sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
+         if test x"$wire_alignment" != x; then
+	   sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${wire_alignment}"
+         else
+           echo "No default alignment for target $target" 1>&6
+           sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
+         fi
        fi;;
   *)   { echo "configure: error: "Unknown value $enableval passed to --enable-sim-alignment"" 1>&2; exit 1; }; sim_alignment="";;
 esac
@@ -1358,7 +1365,15 @@ if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then
   echo "Setting alignment flags = $sim_alignment" 6>&1
 fi
 else
-  sim_alignment="${default_sim_alignment}"
+  if test x"$default_alignment" != x; then
+  sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
+else
+  if test x"$wire_alignment" != x; then
+    sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
+  else
+    sim_alignment=
+  fi
+fi
 fi
 
 
@@ -1379,14 +1394,14 @@ else
   
 if test "x$cross_compiling" = "xno"; then
   echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:1383: checking whether byte ordering is bigendian" >&5
+echo "configure:1398: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 1390 "configure"
+#line 1405 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1397,11 +1412,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:1401: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1416: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 1405 "configure"
+#line 1420 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1412,7 +1427,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:1416: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1431: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -1432,7 +1447,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1436 "configure"
+#line 1451 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -1445,7 +1460,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:1449: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1464: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -1518,12 +1533,12 @@ fi
 for ac_func in time chmod utime fork execve execv chown
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:1522: checking for $ac_func" >&5
+echo "configure:1537: 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 1527 "configure"
+#line 1542 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -1546,7 +1561,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:1550: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1565: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -1574,17 +1589,17 @@ for ac_hdr in unistd.h stdlib.h string.h strings.h utime.h time.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1578: checking for $ac_hdr" >&5
+echo "configure:1593: 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 1583 "configure"
+#line 1598 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1588: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1603: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out`
 if test -z "$ac_err"; then
   rm -rf conftest*
diff --git a/sim/v850/configure.in b/sim/v850/configure.in
index dfa4f02482..0a74c5ce8b 100644
--- a/sim/v850/configure.in
+++ b/sim/v850/configure.in
@@ -6,7 +6,7 @@ AC_INIT(Makefile.in)
 SIM_AC_COMMON
 
 SIM_AC_OPTION_ENDIAN(LITTLE_ENDIAN)
-SIM_AC_OPTION_ALIGNMENT(,NONSTRICT_ALIGNMENT)
+SIM_AC_OPTION_ALIGNMENT(NONSTRICT_ALIGNMENT)
 SIM_AC_OPTION_HOSTENDIAN
 SIM_AC_OPTION_WARNINGS
 SIM_AC_OPTION_RESERVED_BITS