diff --git a/nsprpub/config/rules.mk b/nsprpub/config/rules.mk
index ed9905ee6fb2a..114033c3d74f7 100644
--- a/nsprpub/config/rules.mk
+++ b/nsprpub/config/rules.mk
@@ -141,6 +141,10 @@ TARGETS		= $(LIBRARY)
 endif
 endif
 
+ifeq ($(MOZ_OS2_TOOLS),VACPP)
+EXTRA_LIBS                := $(patsubst -l%,$(DIST)/lib/%.$(LIB_SUFFIX),$(EXTRA_LIBS))
+endif
+
 #
 # OBJS is the list of object files.  It can be constructed by
 # specifying CSRCS (list of C source files) and ASFILES (list
diff --git a/nsprpub/configure b/nsprpub/configure
index e7db7f2d55a4b..ad21f4caadb4f 100755
--- a/nsprpub/configure
+++ b/nsprpub/configure
@@ -4039,6 +4039,8 @@ EOF
     PR_MD_ARCH_DIR=os2
     PROG_SUFFIX=.exe
     NSINSTALL=nsinstall
+    MDCPUCFG_H=_os2.cfg
+    RESOLVE_LINK_SYMBOLS=1
 
     case "$target" in
     *-os2_emx)
@@ -4129,12 +4131,12 @@ fi
 if test -z "$SKIP_LIBRARY_CHECKS"; then
 
 echo $ac_n "checking for dlopen""... $ac_c" 1>&6
-echo "configure:4133: checking for dlopen" >&5
+echo "configure:4135: checking for dlopen" >&5
 if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4138 "configure"
+#line 4140 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char dlopen(); below.  */
@@ -4157,7 +4159,7 @@ dlopen();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4161: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4163: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_dlopen=yes"
 else
@@ -4176,7 +4178,7 @@ else
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:4180: checking for dlopen in -ldl" >&5
+echo "configure:4182: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4184,7 +4186,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4188 "configure"
+#line 4190 "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
@@ -4195,7 +4197,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:4199: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4201: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4222,7 +4224,7 @@ fi
 
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:4226: checking how to run the C preprocessor" >&5
+echo "configure:4228: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -4237,13 +4239,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 4241 "configure"
+#line 4243 "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:4247: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4249: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -4254,13 +4256,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 4258 "configure"
+#line 4260 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4264: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4266: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -4271,13 +4273,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 4275 "configure"
+#line 4277 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4281: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4283: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -4303,13 +4305,13 @@ echo "$ac_t""$CPP" 1>&6
 
 if test $ac_cv_prog_gcc = yes; then
     echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
-echo "configure:4307: checking whether ${CC-cc} needs -traditional" >&5
+echo "configure:4309: checking whether ${CC-cc} needs -traditional" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     ac_pattern="Autoconf.*'x'"
   cat > conftest.$ac_ext <<EOF
-#line 4313 "configure"
+#line 4315 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
@@ -4327,7 +4329,7 @@ rm -f conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 4331 "configure"
+#line 4333 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
@@ -4351,12 +4353,12 @@ fi
 for ac_func in lchown strerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4355: checking for $ac_func" >&5
+echo "configure:4357: 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 4360 "configure"
+#line 4362 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4379,7 +4381,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4383: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4385: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4410,7 +4412,7 @@ done
 
 
 echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
-echo "configure:4414: checking for pthread_create in -lpthreads" >&5
+echo "configure:4416: checking for pthread_create in -lpthreads" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { int a = 1;  } 
@@ -4432,7 +4434,7 @@ echo "
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:4436: checking for pthread_create in -lpthread" >&5
+echo "configure:4438: checking for pthread_create in -lpthread" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { int a = 1;  } 
@@ -4454,7 +4456,7 @@ echo "
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
-echo "configure:4458: checking for pthread_create in -lc_r" >&5
+echo "configure:4460: checking for pthread_create in -lc_r" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { int a = 1;  } 
@@ -4476,7 +4478,7 @@ echo "
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lc""... $ac_c" 1>&6
-echo "configure:4480: checking for pthread_create in -lc" >&5
+echo "configure:4482: checking for pthread_create in -lc" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { int a = 1;  } 
@@ -4626,7 +4628,7 @@ if test -n "$USE_PTHREADS"; then
       rm -f conftest*
    ac_cv_have_dash_pthread=no
    echo $ac_n "checking whether ${CC-cc} accepts -pthread""... $ac_c" 1>&6
-echo "configure:4630: checking whether ${CC-cc} accepts -pthread" >&5
+echo "configure:4632: checking whether ${CC-cc} accepts -pthread" >&5
    echo 'int main() { return 0; }' | cat > conftest.c
    ${CC-cc} -pthread -o conftest conftest.c > conftest.out 2>&1
    if test $? -eq 0; then
@@ -4642,7 +4644,7 @@ echo "configure:4630: checking whether ${CC-cc} accepts -pthread" >&5
 			    ac_cv_have_dash_pthreads=no
     if test "$ac_cv_have_dash_pthread" = "no"; then
 	    echo $ac_n "checking whether ${CC-cc} accepts -pthreads""... $ac_c" 1>&6
-echo "configure:4646: checking whether ${CC-cc} accepts -pthreads" >&5
+echo "configure:4648: checking whether ${CC-cc} accepts -pthreads" >&5
     	echo 'int main() { return 0; }' | cat > conftest.c
 	    ${CC-cc} -pthreads -o conftest conftest.c > conftest.out 2>&1
     	if test $? -eq 0; then
diff --git a/nsprpub/configure.in b/nsprpub/configure.in
index 2839c5d61ef44..9e7ec4a8aa9be 100644
--- a/nsprpub/configure.in
+++ b/nsprpub/configure.in
@@ -1396,6 +1396,8 @@ mips-sony-newsos*)
     PR_MD_ARCH_DIR=os2
     PROG_SUFFIX=.exe
     NSINSTALL=nsinstall
+    MDCPUCFG_H=_os2.cfg
+    RESOLVE_LINK_SYMBOLS=1
 
     case "$target" in
     *-os2_emx)