Changeset 2c3840b in rtems

Timestamp:

09/30/98 20:58:39 (25 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

b8ea1c8e

Parents:

2405b767

Message:

Added new autoconf test for i386 code16/code32 support. The guts of the
test were suggested by Ian Taylor <ian@…> and Joel did the
hard part of putting it in aclocal and editting all the offending
Makefiles and source code which could use this feature.

Files:

• aclocal.m4 (modified) (10 diffs)
• aclocal/i386-gas-code16.m4 (modified) (2 diffs)
• c/src/lib/libbsp/i386/i386ex/start/Makefile.in (modified) (2 diffs)
• c/src/lib/libbsp/i386/i386ex/start/start.s (modified) (1 diff)
• c/src/lib/libbsp/i386/i386ex/startup/Makefile.in (modified) (1 diff)
• c/src/lib/libbsp/i386/pc386/start/Makefile.in (modified) (2 diffs)
• configure (modified) (112 diffs)
• configure.in (modified) (2 diffs)

aclocal.m4

@@ -1 +1 @@
 dnl aclocal.m4 generated automatically by aclocal 1.2
 
-dnl $Id$
+dnl
+dnl $Id$
+dnl
 
 dnl macro to detect mkdir
@@ -41 +43 @@
 
 
-dnl $Id$
+dnl
+dnl $Id$
+dnl
 
 dnl canonicalize target name
@@ -57 +61 @@
 ])
 
+dnl
+dnl  $Id$
+dnl 
 dnl Set program_prefix
 dnl
@@ -260 +267 @@
 ])
 
+dnl
 dnl $Id$
 dnl
@@ -356 +364 @@
 ])
 
+dnl
+dnl $Id$
+dnl
+
 AC_DEFUN(RTEMS_AR_FOR_TARGET_S,
 [
@@ -378 +390 @@
 
 
+dnl
+dnl  $Id$
+dnl 
+
+dnl check for i386 gas supporting 16 bit mode
+
+AC_DEFUN(RTEMS_I386_GAS_CODE16,
+  if test "${target_cpu}" = "i386"; then
+    AC_CACHE_CHECK([for 16 bit mode assembler support],
+      rtems_cv_prog_gas_code16,
+      [cat > conftest.s << EOF
+         .code16
+         data32 addr32 lgdt 0
+EOF
+      if AC_TRY_COMMAND($AS_FOR_TARGET -o conftest.o conftest.s); then
+        rtems_cv_prog_gas_code16=yes
+      else
+        rtems_cv_prog_gas_code16=no
+      fi])
+    RTEMS_GAS_CODE16="$rtems_cv_prog_gas_code16"
+  fi
+)
+
+
+dnl
+dnl  $Id$
+dnl 
 dnl Detect the Cygwin32 environment (unix under Win32)
 dnl
@@ -397 +436 @@
 
 
+dnl
+dnl  $Id$
+dnl 
 dnl Set the EXE extension
 dnl
@@ -530 +572 @@
 ])
 
-dnl $Id$
+dnl
+dnl $Id$
+dnl
 
 dnl RTEMS_CHECK_MAKEFILE(path)
@@ -541 +585 @@
 ])
 
-dnl $Id$
+dnl
+dnl $Id$
+dnl
 
 dnl RTEMS_CHECK_FILES_IN(path,file,var)
@@ -547 +593 @@
 dnl file .. name of the files to search for
 dnl var  .. shell variable to append files found
+
 AC_DEFUN(RTEMS_CHECK_FILES_IN,
 [

aclocal/i386-gas-code16.m4

@@ -4 +4 @@
 
 dnl check for i386 gas supporting 16 bit mode
+dnl     - binutils 2.9.1.0.7 and higher
 
 AC_DEFUN(RTEMS_I386_GAS_CODE16,
@@ -18 +19 @@
         rtems_cv_prog_gas_code16=no
       fi])
-    if test "$rtems_cv_prog_gas_code16" = "yes"; then
-      AC_DEFINE(RTEMS_PROG_GAS_CODE16)
-    fi
+    RTEMS_GAS_CODE16="$rtems_cv_prog_gas_code16"
   fi
 )

c/src/lib/libbsp/i386/i386ex/start/Makefile.in

@@ -8 +8 @@
 RTEMS_ROOT = @top_srcdir@
 PROJECT_ROOT = @PROJECT_ROOT@
+RTEMS_GAS_CODE16 = @RTEMS_GAS_CODE16@
 
 PGMS=${ARCH}/start.o
@@ -33 +34 @@
 #
 
-DEFINES  +=
+ifeq ($(RTEMS_GAS_CODE16),yes)
+DEFINES  += -DNEXT_GAS
+endif
 CPPFLAGS +=
 CFLAGS   +=

c/src/lib/libbsp/i386/i386ex/start/start.s

@@ -41 +41 @@
 
 /*
- * Needed for binutils 2.9.1.0.7 and higher
- * #define NEXT_GAS
+ * NEXT_GAS Needed for binutils 2.9.1.0.7 and higher
  */                     
 
-#define NEXT_GAS
-        
         EXTERN (boot_card)         /* exits to bspstart   */ 
         EXTERN (stack_start)       /* defined in startup/linkcmds */

c/src/lib/libbsp/i386/i386ex/startup/Makefile.in

@@ -38 +38 @@
 
 #DEFINES  += -DPRINTON
-DEFINES  += -I$(srcdir) 
+DEFINES  += -I$(srcdir)
 CPPFLAGS +=
 CFLAGS   += -g 

c/src/lib/libbsp/i386/pc386/start/Makefile.in

@@ -8 +8 @@
 RTEMS_ROOT = @top_srcdir@
 PROJECT_ROOT = @PROJECT_ROOT@
+RTEMS_GAS_CODE16 = @RTEMS_GAS_CODE16@
 
 PGMS=${ARCH}/start.o ${ARCH}/start16.bin
@@ -33 +34 @@
 #
 
-DEFINES  +=
+ifeq ($(RTEMS_GAS_CODE16),yes)
+DEFINES  += -DNEXT_GAS
+endif
 CPPFLAGS +=
 CFLAGS   +=

configure

@@ -1 +1 @@
 #! /bin/sh
+
+
+
+
+
+# Check to see if we're running under Cygwin32, without using
+# AC_CANONICAL_*.  If so, set output variable CYGWIN32 to "yes".
+# Otherwise set it to "no".
+
+
+
+
+
+# Check to see if we're running under Win32, without using
+# AC_CANONICAL_*.  If so, set output variable EXEEXT to ".exe".
+# Otherwise set it to "".
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 # Guess values for system-dependent variables and create Makefiles.
@@ -559 +593 @@
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:562: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:596: 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
@@ -632 +666 @@
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:635: checking host system type" >&5
+echo "configure:669: checking host system type" >&5
 
 host_alias=$host
@@ -653 +687 @@
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:656: checking target system type" >&5
+echo "configure:690: checking target system type" >&5
 
 target_alias=$target
@@ -671 +705 @@
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:674: checking build system type" >&5
+echo "configure:708: checking build system type" >&5
 
 build_alias=$build
@@ -824 +858 @@
 set dummy cat; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:827: checking for $ac_word" >&5
+echo "configure:861: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CAT'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -855 +889 @@
 set dummy rm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:858: checking for $ac_word" >&5
+echo "configure:892: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_RM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -886 +920 @@
 set dummy cp; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:889: checking for $ac_word" >&5
+echo "configure:923: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -917 +951 @@
 set dummy mv; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:920: checking for $ac_word" >&5
+echo "configure:954: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_MV'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -948 +982 @@
 set dummy ln; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:951: checking for $ac_word" >&5
+echo "configure:985: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LN'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -977 +1011 @@
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:980: checking whether ln -s works" >&5
+echo "configure:1014: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1000 +1034 @@
 set dummy chmod; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1003: checking for $ac_word" >&5
+echo "configure:1037: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CHMOD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1031 +1065 @@
 set dummy sort; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1034: checking for $ac_word" >&5
+echo "configure:1068: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_SORT'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1070 +1104 @@
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1073: checking for a BSD compatible install" >&5
+echo "configure:1107: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
@@ -1123 +1157 @@
 set dummy mkdir; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1126: checking for $ac_word" >&5
+echo "configure:1160: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_MKDIR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1155 +1189 @@
 
 echo $ac_n "checking for working $MKDIR -m 0755""... $ac_c" 1>&6
-echo "configure:1158: checking for working $MKDIR -m 0755" >&5
+echo "configure:1192: checking for working $MKDIR -m 0755" >&5
 if eval "test \"`echo '$''{'rtems_cv_prog_MKDIR_P'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1172 +1206 @@
 
 echo $ac_n "checking for working $MKDIR -p""... $ac_c" 1>&6
-echo "configure:1175: checking for working $MKDIR -p" >&5
+echo "configure:1209: checking for working $MKDIR -p" >&5
 if eval "test \"`echo '$''{'rtems_cv_prog_mkdir_p'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1192 +1226 @@
 set dummy touch; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1195: checking for $ac_word" >&5
+echo "configure:1229: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_TOUCH'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1223 +1257 @@
 set dummy cmp; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1226: checking for $ac_word" >&5
+echo "configure:1260: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1255 +1289 @@
 set dummy sed; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1258: checking for $ac_word" >&5
+echo "configure:1292: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_SED'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1288 +1322 @@
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1291: checking for $ac_word" >&5
+echo "configure:1325: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_M4'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1325 +1359 @@
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1328: checking for $ac_word" >&5
+echo "configure:1362: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_KSH'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1403 +1437 @@
   *) 
         echo $ac_n "checking rtems target cpu""... $ac_c" 1>&6
-echo "configure:1406: checking rtems target cpu" >&5
+echo "configure:1440: checking rtems target cpu" >&5
 target_cpu=`echo $target | sed 's%^\([^-]*\)-\(.*\)$%\1%'`
 echo "$ac_t""$target_cpu" 1>&6
@@ -1422 +1456 @@
 # Is this a supported CPU?
 echo $ac_n "checking if cpu $target_cpu is supported""... $ac_c" 1>&6
-echo "configure:1425: checking if cpu $target_cpu is supported" >&5
+echo "configure:1459: checking if cpu $target_cpu is supported" >&5
 if test -d "$srcdir/c/src/exec/score/cpu/$target_cpu"; then
   echo "$ac_t""yes" 1>&6
@@ -1447 +1481 @@
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1450: checking for $ac_word" >&5
+echo "configure:1484: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CC_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1487 +1521 @@
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1490: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1524: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
@@ -1497 +1531 @@
 
 cat > conftest.$ac_ext <<EOF
-#line 1500 "configure"
+#line 1534 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:1504: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1538: \"$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.
@@ -1521 +1555 @@
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1524: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1558: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:1529: checking whether we are using GNU C" >&5
+echo "configure:1563: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1535 +1569 @@
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1538: \"$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:1572: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
@@ -1550 +1584 @@
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1553: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1587: 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
@@ -1592 +1626 @@
 
 echo $ac_n "checking whether $CC_FOR_TARGET accepts -specs""... $ac_c" 1>&6
-echo "configure:1595: checking whether $CC_FOR_TARGET accepts -specs" >&5
+echo "configure:1629: checking whether $CC_FOR_TARGET accepts -specs" >&5
 if eval "test \"`echo '$''{'rtems_cv_gcc_specs'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1613 +1647 @@
 
 echo $ac_n "checking whether $CC_FOR_TARGET accepts --pipe""... $ac_c" 1>&6
-echo "configure:1616: checking whether $CC_FOR_TARGET accepts --pipe" >&5
+echo "configure:1650: checking whether $CC_FOR_TARGET accepts --pipe" >&5
 if eval "test \"`echo '$''{'rtems_cv_gcc_pipe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1654 +1688 @@
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1657: checking for $ac_word" >&5
+echo "configure:1691: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CXX_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1694 +1728 @@
 
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1697: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:1731: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
@@ -1704 +1738 @@
 
 cat > conftest.$ac_ext <<EOF
-#line 1707 "configure"
+#line 1741 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:1711: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:1745: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   ac_cv_prog_cxx_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
@@ -1734 +1768 @@
 fi
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1737: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1771: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
 cross_compiling=$ac_cv_prog_cxx_cross
 
 echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:1742: checking whether we are using GNU C++" >&5
+echo "configure:1776: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1748 +1782 @@
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1751: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1785: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
@@ -1763 +1797 @@
   CXXFLAGS=
   echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:1766: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:1800: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1817 +1851 @@
   
 echo $ac_n "checking target's ar""... $ac_c" 1>&6
-echo "configure:1820: checking target's ar" >&5
+echo "configure:1854: checking target's ar" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1850 +1884 @@
     # intends
     echo $ac_n "checking whether environment variable AR_FOR_TARGET is an absolute path""... $ac_c" 1>&6
-echo "configure:1853: checking whether environment variable AR_FOR_TARGET is an absolute path" >&5
+echo "configure:1887: checking whether environment variable AR_FOR_TARGET is an absolute path" >&5
     case "$AR_FOR_TARGET" in
     /*) # valid
@@ -1867 +1901 @@
 set dummy "$program_prefix"ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1870: checking for $ac_word" >&5
+echo "configure:1904: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AR_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1900 +1934 @@
   
 echo $ac_n "checking target's as""... $ac_c" 1>&6
-echo "configure:1903: checking target's as" >&5
+echo "configure:1937: checking target's as" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1933 +1967 @@
     # intends
     echo $ac_n "checking whether environment variable AS_FOR_TARGET is an absolute path""... $ac_c" 1>&6
-echo "configure:1936: checking whether environment variable AS_FOR_TARGET is an absolute path" >&5
+echo "configure:1970: checking whether environment variable AS_FOR_TARGET is an absolute path" >&5
     case "$AS_FOR_TARGET" in
     /*) # valid
@@ -1950 +1984 @@
 set dummy "$program_prefix"as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1953: checking for $ac_word" >&5
+echo "configure:1987: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AS_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1983 +2017 @@
   
 echo $ac_n "checking target's ld""... $ac_c" 1>&6
-echo "configure:1986: checking target's ld" >&5
+echo "configure:2020: checking target's ld" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2016 +2050 @@
     # intends
     echo $ac_n "checking whether environment variable LD_FOR_TARGET is an absolute path""... $ac_c" 1>&6
-echo "configure:2019: checking whether environment variable LD_FOR_TARGET is an absolute path" >&5
+echo "configure:2053: checking whether environment variable LD_FOR_TARGET is an absolute path" >&5
     case "$LD_FOR_TARGET" in
     /*) # valid
@@ -2033 +2067 @@
 set dummy "$program_prefix"ld; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2036: checking for $ac_word" >&5
+echo "configure:2070: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LD_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2066 +2100 @@
   
 echo $ac_n "checking target's nm""... $ac_c" 1>&6
-echo "configure:2069: checking target's nm" >&5
+echo "configure:2103: checking target's nm" >&5
 if eval "test \"`echo '$''{'ac_cv_path_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2099 +2133 @@
     # intends
     echo $ac_n "checking whether environment variable NM_FOR_TARGET is an absolute path""... $ac_c" 1>&6
-echo "configure:2102: checking whether environment variable NM_FOR_TARGET is an absolute path" >&5
+echo "configure:2136: checking whether environment variable NM_FOR_TARGET is an absolute path" >&5
     case "$NM_FOR_TARGET" in
     /*) # valid
@@ -2116 +2150 @@
 set dummy "$program_prefix"nm; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2119: checking for $ac_word" >&5
+echo "configure:2153: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_NM_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2150 +2184 @@
   
 echo $ac_n "checking target's ranlib""... $ac_c" 1>&6
-echo "configure:2153: checking target's ranlib" >&5
+echo "configure:2187: checking target's ranlib" >&5
 if eval "test \"`echo '$''{'ac_cv_path_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2183 +2217 @@
     # intends
     echo $ac_n "checking whether environment variable RANLIB_FOR_TARGET is an absolute path""... $ac_c" 1>&6
-echo "configure:2186: checking whether environment variable RANLIB_FOR_TARGET is an absolute path" >&5
+echo "configure:2220: checking whether environment variable RANLIB_FOR_TARGET is an absolute path" >&5
     case "$RANLIB_FOR_TARGET" in
     /*) # valid
@@ -2200 +2234 @@
 set dummy "$program_prefix"ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2203: checking for $ac_word" >&5
+echo "configure:2237: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_RANLIB_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2235 +2269 @@
     
 echo $ac_n "checking whether $AR_FOR_TARGET -s works""... $ac_c" 1>&6
-echo "configure:2238: checking whether $AR_FOR_TARGET -s works" >&5
+echo "configure:2272: checking whether $AR_FOR_TARGET -s works" >&5
 if eval "test \"`echo '$''{'rtems_cv_AR_FOR_TARGET_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2244 +2278 @@
 { return b; }
 EOF
-if { ac_try='$CC_FOR_TARGET -o conftest.o -c conftest.$ac_ext'; { (eval echo configure:2247: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } \
-  && { ac_try='$AR_FOR_TARGET -sr conftest.a conftest.o'; { (eval echo configure:2248: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } \
+if { ac_try='$CC_FOR_TARGET -o conftest.o -c conftest.$ac_ext'; { (eval echo configure:2281: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } \
+  && { ac_try='$AR_FOR_TARGET -sr conftest.a conftest.o'; { (eval echo configure:2282: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } \
   && test -s conftest.a ; \
 then
@@ -2270 +2304 @@
   
 echo $ac_n "checking target's objcopy""... $ac_c" 1>&6
-echo "configure:2273: checking target's objcopy" >&5
+echo "configure:2307: checking target's objcopy" >&5
 if eval "test \"`echo '$''{'ac_cv_path_OBJCOPY_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2303 +2337 @@
     # intends
     echo $ac_n "checking whether environment variable OBJCOPY_FOR_TARGET is an absolute path""... $ac_c" 1>&6
-echo "configure:2306: checking whether environment variable OBJCOPY_FOR_TARGET is an absolute path" >&5
+echo "configure:2340: checking whether environment variable OBJCOPY_FOR_TARGET is an absolute path" >&5
     case "$OBJCOPY_FOR_TARGET" in
     /*) # valid
@@ -2320 +2354 @@
 set dummy "$program_prefix"objcopy; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2323: checking for $ac_word" >&5
+echo "configure:2357: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_OBJCOPY_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2353 +2387 @@
   
 echo $ac_n "checking target's size""... $ac_c" 1>&6
-echo "configure:2356: checking target's size" >&5
+echo "configure:2390: checking target's size" >&5
 if eval "test \"`echo '$''{'ac_cv_path_SIZE_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2386 +2420 @@
     # intends
     echo $ac_n "checking whether environment variable SIZE_FOR_TARGET is an absolute path""... $ac_c" 1>&6
-echo "configure:2389: checking whether environment variable SIZE_FOR_TARGET is an absolute path" >&5
+echo "configure:2423: checking whether environment variable SIZE_FOR_TARGET is an absolute path" >&5
     case "$SIZE_FOR_TARGET" in
     /*) # valid
@@ -2403 +2437 @@
 set dummy "$program_prefix"size; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2406: checking for $ac_word" >&5
+echo "configure:2440: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_SIZE_FOR_TARGET'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2436 +2470 @@
 
 
+if test "${target_cpu}" = "i386"; then
+    echo $ac_n "checking for 16 bit mode assembler support""... $ac_c" 1>&6
+echo "configure:2475: checking for 16 bit mode assembler support" >&5
+if eval "test \"`echo '$''{'rtems_cv_prog_gas_code16'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.s << EOF
+         .code16
+         data32 addr32 lgdt 0
+EOF
+      if { ac_try='$AS_FOR_TARGET -o conftest.o conftest.s'; { (eval echo configure:2483: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+        rtems_cv_prog_gas_code16=yes
+      else
+        rtems_cv_prog_gas_code16=no
+      fi
+fi
+
+echo "$ac_t""$rtems_cv_prog_gas_code16" 1>&6
+    RTEMS_GAS_CODE16="$rtems_cv_prog_gas_code16"
+  fi
+
+
 # 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:2442: checking for $ac_word" >&5
+echo "configure:2498: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2468 +2524 @@
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2471: checking for $ac_word" >&5
+echo "configure:2527: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2516 +2572 @@
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2519: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:2575: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
@@ -2526 +2582 @@
 
 cat > conftest.$ac_ext <<EOF
-#line 2529 "configure"
+#line 2585 "configure"
 #include "confdefs.h"
 main(){return(0);}
 EOF
-if { (eval echo configure:2533: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2589: \"$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.
@@ -2550 +2606 @@
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:2553: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2609: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:2558: checking whether we are using GNU C" >&5
+echo "configure:2614: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2564 +2620 @@
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2567: \"$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:2623: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
@@ -2579 +2635 @@
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:2582: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:2638: 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
@@ -2608 +2664 @@
 
 echo $ac_n "checking for Cygwin32 environment""... $ac_c" 1>&6
-echo "configure:2611: checking for Cygwin32 environment" >&5
+echo "configure:2667: checking for Cygwin32 environment" >&5
 if eval "test \"`echo '$''{'rtems_cv_cygwin32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2616 "configure"
+#line 2672 "configure"
 #include "confdefs.h"
 
@@ -2620 +2676 @@
 ; return 0; }
 EOF
-if { (eval echo configure:2623: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2679: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   rtems_cv_cygwin32=yes
@@ -2638 +2694 @@
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:2641: checking for executable suffix" >&5
+echo "configure:2697: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'rtems_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2674 +2730 @@
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:2677: checking for $ac_func" >&5
+echo "configure:2733: 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 2682 "configure"
+#line 2738 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
@@ -2702 +2758 @@
 ; return 0; }
 EOF
-if { (eval echo configure:2705: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2761: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
@@ -2731 +2787 @@
 
 echo $ac_n "checking whether $RTEMS_HOST supports System V semaphores""... $ac_c" 1>&6
-echo "configure:2734: checking whether $RTEMS_HOST supports System V semaphores" >&5
+echo "configure:2790: checking whether $RTEMS_HOST supports System V semaphores" >&5
 if eval "test \"`echo '$''{'rtems_cv_sysv_sem'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2740 +2796 @@
 else
   cat > conftest.$ac_ext <<EOF
-#line 2743 "configure"
+#line 2799 "configure"
 #include "confdefs.h"
 
@@ -2766 +2822 @@
 
 EOF
-if { (eval echo configure:2769: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2825: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   rtems_cv_sysv_sem="yes"
@@ -2789 +2845 @@
 
 echo $ac_n "checking whether $RTEMS_HOST supports System V shared memory""... $ac_c" 1>&6
-echo "configure:2792: checking whether $RTEMS_HOST supports System V shared memory" >&5
+echo "configure:2848: checking whether $RTEMS_HOST supports System V shared memory" >&5
 if eval "test \"`echo '$''{'rtems_cv_sysv_shm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2798 +2854 @@
 else
   cat > conftest.$ac_ext <<EOF
-#line 2801 "configure"
+#line 2857 "configure"
 #include "confdefs.h"
 
@@ -2814 +2870 @@
 
 EOF
-if { (eval echo configure:2817: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2873: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   rtems_cv_sysv_shm="yes"
@@ -2837 +2893 @@
 
 echo $ac_n "checking whether $RTEMS_HOST supports System V messages""... $ac_c" 1>&6
-echo "configure:2840: checking whether $RTEMS_HOST supports System V messages" >&5
+echo "configure:2896: checking whether $RTEMS_HOST supports System V messages" >&5
 if eval "test \"`echo '$''{'rtems_cv_sysv_msg'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2846 +2902 @@
 else
   cat > conftest.$ac_ext <<EOF
-#line 2849 "configure"
+#line 2905 "configure"
 #include "confdefs.h"
 
@@ -2862 +2918 @@
 
 EOF
-if { (eval echo configure:2865: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2921: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
 then
   rtems_cv_sysv_msg="yes"
@@ -2887 +2943 @@
 
 echo $ac_n "checking for Makefile.in in c/src/exec/score/tools/$target_cpu""... $ac_c" 1>&6
-echo "configure:2890: checking for Makefile.in in c/src/exec/score/tools/$target_cpu" >&5
+echo "configure:2946: checking for Makefile.in in c/src/exec/score/tools/$target_cpu" >&5
 if test -d $srcdir/c/src/exec/score/tools/$target_cpu; then
   rtems_av_save_dir=`pwd`;
@@ -2902 +2958 @@
 
 echo $ac_n "checking for Makefile.in in c/src/exec/rtems""... $ac_c" 1>&6
-echo "configure:2905: checking for Makefile.in in c/src/exec/rtems" >&5
+echo "configure:2961: checking for Makefile.in in c/src/exec/rtems" >&5
 if test -d $srcdir/c/src/exec/rtems; then
   rtems_av_save_dir=`pwd`;
@@ -2917 +2973 @@
 
 echo $ac_n "checking for Makefile.in in c/src/exec/sapi""... $ac_c" 1>&6
-echo "configure:2920: checking for Makefile.in in c/src/exec/sapi" >&5
+echo "configure:2976: checking for Makefile.in in c/src/exec/sapi" >&5
 if test -d $srcdir/c/src/exec/sapi; then
   rtems_av_save_dir=`pwd`;
@@ -2934 +2990 @@
   
 echo $ac_n "checking for Makefile.in in c/src/exec/posix""... $ac_c" 1>&6
-echo "configure:2937: checking for Makefile.in in c/src/exec/posix" >&5
+echo "configure:2993: checking for Makefile.in in c/src/exec/posix" >&5
 if test -d $srcdir/c/src/exec/posix; then
   rtems_av_save_dir=`pwd`;
@@ -2956 +3012 @@
   if test -z "$rtems_bsp"; then
     echo $ac_n "checking for bsps""... $ac_c" 1>&6
-echo "configure:2959: checking for bsps" >&5
+echo "configure:3015: checking for bsps" >&5
     files=`ls $srcdir/c/src/lib/libbsp/$target_cpu`
     for file in $files; do
@@ -3021 +3077 @@
         
 echo $ac_n "checking for Makefile.in in c/src/lib/libbsp/$bspcpudir$bspdir""... $ac_c" 1>&6
-echo "configure:3024: checking for Makefile.in in c/src/lib/libbsp/$bspcpudir$bspdir" >&5
+echo "configure:3080: checking for Makefile.in in c/src/lib/libbsp/$bspcpudir$bspdir" >&5
 if test -d $srcdir/c/src/lib/libbsp/$bspcpudir$bspdir; then
   rtems_av_save_dir=`pwd`;
@@ -3036 +3092 @@
         
 echo $ac_n "checking for Makefile.in in c/src/lib/libbsp/${bspcpudir}shared""... $ac_c" 1>&6
-echo "configure:3039: checking for Makefile.in in c/src/lib/libbsp/${bspcpudir}shared" >&5
+echo "configure:3095: checking for Makefile.in in c/src/lib/libbsp/${bspcpudir}shared" >&5
 if test -d $srcdir/c/src/lib/libbsp/${bspcpudir}shared; then
   rtems_av_save_dir=`pwd`;
@@ -3059 +3115 @@
 
 echo $ac_n "checking for Makefile.in in c/src/lib/libcpu/$target_cpu""... $ac_c" 1>&6
-echo "configure:3062: checking for Makefile.in in c/src/lib/libcpu/$target_cpu" >&5
+echo "configure:3118: checking for Makefile.in in c/src/lib/libcpu/$target_cpu" >&5
 if test -d $srcdir/c/src/lib/libcpu/$target_cpu; then
   rtems_av_save_dir=`pwd`;
@@ -3076 +3132 @@
   
 echo $ac_n "checking for Makefile.in in c/src/lib/start/$target_cpu""... $ac_c" 1>&6
-echo "configure:3079: checking for Makefile.in in c/src/lib/start/$target_cpu" >&5
+echo "configure:3135: checking for Makefile.in in c/src/lib/start/$target_cpu" >&5
 if test -d $srcdir/c/src/lib/start/$target_cpu; then
   rtems_av_save_dir=`pwd`;
@@ -3108 +3164 @@
 # If the TCP/IP stack is enabled, then find all TCP/IP Makefiles
 echo $ac_n "checking if networking is enabled? ""... $ac_c" 1>&6
-echo "configure:3111: checking if networking is enabled? " >&5
+echo "configure:3167: checking if networking is enabled? " >&5
 echo "$ac_t""$RTEMS_HAS_NETWORKING" 1>&6
 if test "$RTEMS_HAS_NETWORKING" = "yes"; then
   
 echo $ac_n "checking for Makefile.in in c/src/lib/libnetworking""... $ac_c" 1>&6
-echo "configure:3116: checking for Makefile.in in c/src/lib/libnetworking" >&5
+echo "configure:3172: checking for Makefile.in in c/src/lib/libnetworking" >&5
 if test -d $srcdir/c/src/lib/libnetworking; then
   rtems_av_save_dir=`pwd`;
@@ -3135 +3191 @@
 # If the tests are enabled, then find all the test suite Makefiles
 echo $ac_n "checking if the test suites are enabled? ""... $ac_c" 1>&6
-echo "configure:3138: checking if the test suites are enabled? " >&5
+echo "configure:3194: checking if the test suites are enabled? " >&5
 tests_enabled=yes
 # Check whether --enable-tests or --disable-tests was given.
@@ -3154 +3210 @@
 
 echo $ac_n "checking for Makefile.in in c/src/tests/tools/$target_cpu""... $ac_c" 1>&6
-echo "configure:3157: checking for Makefile.in in c/src/tests/tools/$target_cpu" >&5
+echo "configure:3213: checking for Makefile.in in c/src/tests/tools/$target_cpu" >&5
 if test -d $srcdir/c/src/tests/tools/$target_cpu; then
   rtems_av_save_dir=`pwd`;
@@ -3171 +3227 @@
    
 echo $ac_n "checking for Makefile.in in c/src/tests/libtests""... $ac_c" 1>&6
-echo "configure:3174: checking for Makefile.in in c/src/tests/libtests" >&5
+echo "configure:3230: checking for Makefile.in in c/src/tests/libtests" >&5
 if test -d $srcdir/c/src/tests/libtests; then
   rtems_av_save_dir=`pwd`;
@@ -3186 +3242 @@
    
 echo $ac_n "checking for Makefile.in in c/src/tests/sptests""... $ac_c" 1>&6
-echo "configure:3189: checking for Makefile.in in c/src/tests/sptests" >&5
+echo "configure:3245: checking for Makefile.in in c/src/tests/sptests" >&5
 if test -d $srcdir/c/src/tests/sptests; then
   rtems_av_save_dir=`pwd`;
@@ -3201 +3257 @@
    
 echo $ac_n "checking for Makefile.in in c/src/tests/tmtests""... $ac_c" 1>&6
-echo "configure:3204: checking for Makefile.in in c/src/tests/tmtests" >&5
+echo "configure:3260: checking for Makefile.in in c/src/tests/tmtests" >&5
 if test -d $srcdir/c/src/tests/tmtests; then
   rtems_av_save_dir=`pwd`;
@@ -3216 +3272 @@
    
 echo $ac_n "checking for Makefile.in in c/src/tests/mptests""... $ac_c" 1>&6
-echo "configure:3219: checking for Makefile.in in c/src/tests/mptests" >&5
+echo "configure:3275: checking for Makefile.in in c/src/tests/mptests" >&5
 if test -d $srcdir/c/src/tests/mptests; then
   rtems_av_save_dir=`pwd`;
@@ -3232 +3288 @@
      
 echo $ac_n "checking for Makefile.in in c/src/tests/psxtests""... $ac_c" 1>&6
-echo "configure:3235: checking for Makefile.in in c/src/tests/psxtests" >&5
+echo "configure:3291: checking for Makefile.in in c/src/tests/psxtests" >&5
 if test -d $srcdir/c/src/tests/psxtests; then
   rtems_av_save_dir=`pwd`;
@@ -3250 +3306 @@
 # If the HWAPI is enabled, the find the HWAPI Makefiles
 echo $ac_n "checking if the HWAPI is enabled? ""... $ac_c" 1>&6
-echo "configure:3253: checking if the HWAPI is enabled? " >&5
+echo "configure:3309: checking if the HWAPI is enabled? " >&5
 # Check whether --enable-hwapi or --disable-hwapi was given.
 if test "${enable_hwapi+set}" = set; then
@@ -3261 +3317 @@
             
 echo $ac_n "checking for Makefile.in in c/src/lib/libhwapi/analog""... $ac_c" 1>&6
-echo "configure:3264: checking for Makefile.in in c/src/lib/libhwapi/analog" >&5
+echo "configure:3320: checking for Makefile.in in c/src/lib/libhwapi/analog" >&5
 if test -d $srcdir/c/src/lib/libhwapi/analog; then
   rtems_av_save_dir=`pwd`;
@@ -3276 +3332 @@
             
 echo $ac_n "checking for Makefile.in in c/src/lib/libhwapi/discrete""... $ac_c" 1>&6
-echo "configure:3279: checking for Makefile.in in c/src/lib/libhwapi/discrete" >&5
+echo "configure:3335: checking for Makefile.in in c/src/lib/libhwapi/discrete" >&5
 if test -d $srcdir/c/src/lib/libhwapi/discrete; then
   rtems_av_save_dir=`pwd`;
@@ -3291 +3347 @@
             
 echo $ac_n "checking for Makefile.in in c/src/lib/libhwapi/drivers""... $ac_c" 1>&6
-echo "configure:3294: checking for Makefile.in in c/src/lib/libhwapi/drivers" >&5
+echo "configure:3350: checking for Makefile.in in c/src/lib/libhwapi/drivers" >&5
 if test -d $srcdir/c/src/lib/libhwapi/drivers; then
   rtems_av_save_dir=`pwd`;
@@ -3306 +3362 @@
             
 echo $ac_n "checking for Makefile.in in c/src/lib/libhwapi/non_volatile_memory""... $ac_c" 1>&6
-echo "configure:3309: checking for Makefile.in in c/src/lib/libhwapi/non_volatile_memory" >&5
+echo "configure:3365: checking for Makefile.in in c/src/lib/libhwapi/non_volatile_memory" >&5
 if test -d $srcdir/c/src/lib/libhwapi/non_volatile_memory; then
   rtems_av_save_dir=`pwd`;
@@ -3321 +3377 @@
             
 echo $ac_n "checking for Makefile.in in c/src/lib/libhwapi/serial""... $ac_c" 1>&6
-echo "configure:3324: checking for Makefile.in in c/src/lib/libhwapi/serial" >&5
+echo "configure:3380: checking for Makefile.in in c/src/lib/libhwapi/serial" >&5
 if test -d $srcdir/c/src/lib/libhwapi/serial; then
   rtems_av_save_dir=`pwd`;
@@ -3336 +3392 @@
             
 echo $ac_n "checking for Makefile.in in c/src/lib/libhwapi/support""... $ac_c" 1>&6
-echo "configure:3339: checking for Makefile.in in c/src/lib/libhwapi/support" >&5
+echo "configure:3395: checking for Makefile.in in c/src/lib/libhwapi/support" >&5
 if test -d $srcdir/c/src/lib/libhwapi/support; then
   rtems_av_save_dir=`pwd`;
@@ -3351 +3407 @@
             
 echo $ac_n "checking for Makefile.in in c/src/lib/libhwapi/wrapup""... $ac_c" 1>&6
-echo "configure:3354: checking for Makefile.in in c/src/lib/libhwapi/wrapup" >&5
+echo "configure:3410: checking for Makefile.in in c/src/lib/libhwapi/wrapup" >&5
 if test -d $srcdir/c/src/lib/libhwapi/wrapup; then
   rtems_av_save_dir=`pwd`;
@@ -3395 +3451 @@
 
 
+
 # pick up all the Makefiles in required parts of the tree
 
 echo $ac_n "checking for Makefile.in in c/build-tools""... $ac_c" 1>&6
-echo "configure:3401: checking for Makefile.in in c/build-tools" >&5
+echo "configure:3458: checking for Makefile.in in c/build-tools" >&5
 if test -d $srcdir/c/build-tools; then
   rtems_av_save_dir=`pwd`;
@@ -3413 +3470 @@
 
 echo $ac_n "checking for Makefile.in in make""... $ac_c" 1>&6
-echo "configure:3416: checking for Makefile.in in make" >&5
+echo "configure:3473: checking for Makefile.in in make" >&5
 if test -d $srcdir/make; then
   rtems_av_save_dir=`pwd`;
@@ -3428 +3485 @@
 
 echo $ac_n "checking for Makefile.in in c/src/lib/libmisc""... $ac_c" 1>&6
-echo "configure:3431: checking for Makefile.in in c/src/lib/libmisc" >&5
+echo "configure:3488: checking for Makefile.in in c/src/lib/libmisc" >&5
 if test -d $srcdir/c/src/lib/libmisc; then
   rtems_av_save_dir=`pwd`;
@@ -3443 +3500 @@
 
 echo $ac_n "checking for Makefile.in in c/src/tests/samples""... $ac_c" 1>&6
-echo "configure:3446: checking for Makefile.in in c/src/tests/samples" >&5
+echo "configure:3503: checking for Makefile.in in c/src/tests/samples" >&5
 if test -d $srcdir/c/src/tests/samples; then
   rtems_av_save_dir=`pwd`;
@@ -3669 +3726 @@
 s%@EXEEXT@%$EXEEXT%g
 s%@GCCSED@%$GCCSED%g
+s%@RTEMS_GAS_CODE16@%$RTEMS_GAS_CODE16%g
 s%@rtems_cv_prog_cc_cross@%$rtems_cv_prog_cc_cross%g
 s%@RTEMS_BSP_LIST@%$RTEMS_BSP_LIST%g

configure.in

@@ -227 +227 @@
 
 RTEMS_CANONICALIZE_TOOLS
+
+dnl if this is an i386, does gas have good code16 support?
+RTEMS_I386_GAS_CODE16
 
 dnl check host cc
@@ -440 +443 @@
 )
 
+AC_SUBST(RTEMS_GAS_CODE16)
 AC_SUBST(rtems_cv_prog_cc_cross)
 AC_SUBST(RTEMS_BSP_LIST)