diff --git a/qse/Makefile.in b/qse/Makefile.in
index 2c61ba3b..4272a00f 100644
--- a/qse/Makefile.in
+++ b/qse/Makefile.in
@@ -43,7 +43,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
@@ -155,6 +155,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/aclocal.m4 b/qse/aclocal.m4
index b32fd361..98d26f9a 100644
--- a/qse/aclocal.m4
+++ b/qse/aclocal.m4
@@ -956,3 +956,4 @@ m4_include([m4/ltoptions.m4])
 m4_include([m4/ltsugar.m4])
 m4_include([m4/ltversion.m4])
 m4_include([m4/lt~obsolete.m4])
+m4_include([m4/lx_find_mpi.m4])
diff --git a/qse/cmd/Makefile.in b/qse/cmd/Makefile.in
index 7b59f1f0..c52371e0 100644
--- a/qse/cmd/Makefile.in
+++ b/qse/cmd/Makefile.in
@@ -40,7 +40,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -140,6 +140,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/cmd/awk/Makefile.am b/qse/cmd/awk/Makefile.am
index baa2f42c..293b553a 100644
--- a/qse/cmd/awk/Makefile.am
+++ b/qse/cmd/awk/Makefile.am
@@ -5,6 +5,8 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/include \
 	-I$(includedir)
 
+#####################################################################3
+
 bin_PROGRAMS = qseawk
 
 qseawk_SOURCES = awk.c
@@ -14,3 +16,19 @@ qseawk_LDADD = -lqseawk -lqsecmn $(LIBM)
 if WIN32 
 qseawk_LDADD += $(UNICOWS_LIBS)
 endif
+
+#####################################################################3
+
+if HAVE_C_MPI
+bin_PROGRAMS += qseawkp
+
+qseawkp_SOURCES = mpi.c
+qseawkp_CPPFLAGS = $(AM_CPPFLAGS) $(MPI_CFLAGS)
+qseawkp_LDFLAGS = -L../../lib/awk -L../../lib/cmn -L$(libdir) $(MPI_CLDFLAGS)
+qseawkp_LDADD = -lqseawkp -lqseawk -lqsecmn $(LIBM)
+
+if WIN32 
+qseawkp_LDADD += $(UNICOWS_LIBS)
+endif
+
+endif
diff --git a/qse/cmd/awk/Makefile.in b/qse/cmd/awk/Makefile.in
index d48772b0..079a119c 100644
--- a/qse/cmd/awk/Makefile.in
+++ b/qse/cmd/awk/Makefile.in
@@ -34,8 +34,12 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
-bin_PROGRAMS = qseawk$(EXEEXT)
+bin_PROGRAMS = qseawk$(EXEEXT) $(am__EXEEXT_1)
 @WIN32_TRUE@am__append_1 = $(UNICOWS_LIBS)
+
+#####################################################################3
+@HAVE_C_MPI_TRUE@am__append_2 = qseawkp
+@HAVE_C_MPI_TRUE@@WIN32_TRUE@am__append_3 = $(UNICOWS_LIBS)
 subdir = cmd/awk
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -43,13 +47,14 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
 CONFIG_HEADER = $(top_builddir)/include/qse/config.h
 CONFIG_CLEAN_FILES =
 CONFIG_CLEAN_VPATH_FILES =
+@HAVE_C_MPI_TRUE@am__EXEEXT_1 = qseawkp$(EXEEXT)
 am__installdirs = "$(DESTDIR)$(bindir)"
 PROGRAMS = $(bin_PROGRAMS)
 am_qseawk_OBJECTS = awk.$(OBJEXT)
@@ -60,6 +65,16 @@ qseawk_DEPENDENCIES = $(am__DEPENDENCIES_1) $(am__DEPENDENCIES_2)
 qseawk_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(qseawk_LDFLAGS) \
 	$(LDFLAGS) -o $@
+am__qseawkp_SOURCES_DIST = mpi.c
+@HAVE_C_MPI_TRUE@am_qseawkp_OBJECTS = qseawkp-mpi.$(OBJEXT)
+qseawkp_OBJECTS = $(am_qseawkp_OBJECTS)
+@HAVE_C_MPI_TRUE@@WIN32_TRUE@am__DEPENDENCIES_3 =  \
+@HAVE_C_MPI_TRUE@@WIN32_TRUE@	$(am__DEPENDENCIES_1)
+@HAVE_C_MPI_TRUE@qseawkp_DEPENDENCIES = $(am__DEPENDENCIES_1) \
+@HAVE_C_MPI_TRUE@	$(am__DEPENDENCIES_3)
+qseawkp_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(qseawkp_LDFLAGS) \
+	$(LDFLAGS) -o $@
 DEFAULT_INCLUDES = 
 depcomp = $(SHELL) $(top_srcdir)/ac/depcomp
 am__depfiles_maybe = depfiles
@@ -73,8 +88,8 @@ CCLD = $(CC)
 LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
 	$(LDFLAGS) -o $@
-SOURCES = $(qseawk_SOURCES)
-DIST_SOURCES = $(qseawk_SOURCES)
+SOURCES = $(qseawk_SOURCES) $(qseawkp_SOURCES)
+DIST_SOURCES = $(qseawk_SOURCES) $(am__qseawkp_SOURCES_DIST)
 ETAGS = etags
 CTAGS = ctags
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
@@ -129,6 +144,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
@@ -233,6 +251,11 @@ AM_CPPFLAGS = \
 qseawk_SOURCES = awk.c
 qseawk_LDFLAGS = -L../../lib/awk -L../../lib/cmn -L$(libdir)
 qseawk_LDADD = -lqseawk -lqsecmn $(LIBM) $(am__append_1)
+@HAVE_C_MPI_TRUE@qseawkp_SOURCES = mpi.c
+@HAVE_C_MPI_TRUE@qseawkp_CPPFLAGS = $(AM_CPPFLAGS) $(MPI_CFLAGS)
+@HAVE_C_MPI_TRUE@qseawkp_LDFLAGS = -L../../lib/awk -L../../lib/cmn -L$(libdir) $(MPI_CLDFLAGS)
+@HAVE_C_MPI_TRUE@qseawkp_LDADD = -lqseawkp -lqseawk -lqsecmn $(LIBM) \
+@HAVE_C_MPI_TRUE@	$(am__append_3)
 all: all-am
 
 .SUFFIXES:
@@ -313,6 +336,9 @@ clean-binPROGRAMS:
 qseawk$(EXEEXT): $(qseawk_OBJECTS) $(qseawk_DEPENDENCIES) 
 	@rm -f qseawk$(EXEEXT)
 	$(qseawk_LINK) $(qseawk_OBJECTS) $(qseawk_LDADD) $(LIBS)
+qseawkp$(EXEEXT): $(qseawkp_OBJECTS) $(qseawkp_DEPENDENCIES) 
+	@rm -f qseawkp$(EXEEXT)
+	$(qseawkp_LINK) $(qseawkp_OBJECTS) $(qseawkp_LDADD) $(LIBS)
 
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)
@@ -321,6 +347,7 @@ distclean-compile:
 	-rm -f *.tab.c
 
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/awk.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/qseawkp-mpi.Po@am__quote@
 
 .c.o:
 @am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@@ -343,6 +370,20 @@ distclean-compile:
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
 
+qseawkp-mpi.o: mpi.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(qseawkp_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT qseawkp-mpi.o -MD -MP -MF $(DEPDIR)/qseawkp-mpi.Tpo -c -o qseawkp-mpi.o `test -f 'mpi.c' || echo '$(srcdir)/'`mpi.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/qseawkp-mpi.Tpo $(DEPDIR)/qseawkp-mpi.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='mpi.c' object='qseawkp-mpi.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(qseawkp_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o qseawkp-mpi.o `test -f 'mpi.c' || echo '$(srcdir)/'`mpi.c
+
+qseawkp-mpi.obj: mpi.c
+@am__fastdepCC_TRUE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(qseawkp_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT qseawkp-mpi.obj -MD -MP -MF $(DEPDIR)/qseawkp-mpi.Tpo -c -o qseawkp-mpi.obj `if test -f 'mpi.c'; then $(CYGPATH_W) 'mpi.c'; else $(CYGPATH_W) '$(srcdir)/mpi.c'; fi`
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/qseawkp-mpi.Tpo $(DEPDIR)/qseawkp-mpi.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='mpi.c' object='qseawkp-mpi.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(qseawkp_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o qseawkp-mpi.obj `if test -f 'mpi.c'; then $(CYGPATH_W) 'mpi.c'; else $(CYGPATH_W) '$(srcdir)/mpi.c'; fi`
+
 mostlyclean-libtool:
 	-rm -f *.lo
 
diff --git a/qse/cmd/awk/awk.c b/qse/cmd/awk/awk.c
index 0ebecb98..b36e573a 100644
--- a/qse/cmd/awk/awk.c
+++ b/qse/cmd/awk/awk.c
@@ -55,6 +55,10 @@
 #	include <errno.h>
 #endif
 
+#if defined(ENABLE_MPI)
+#	include <mpi.h>
+#endif
+
 static qse_awk_rtx_t* app_rtx = QSE_NULL;
 static int app_debug = 0;
 
@@ -206,6 +210,7 @@ static void set_intr_run (void)
 #else
 	/*setsignal (SIGINT, stop_run, 1); TO BE MORE COMPATIBLE WITH WIN32*/
 	setsignal (SIGINT, stop_run, 0);
+	setsignal (SIGPIPE, SIG_IGN, 0);
 #endif
 }
 
@@ -221,6 +226,7 @@ static void unset_intr_run (void)
 	setsignal (SIGINT, SIG_DFL);
 #else
 	setsignal (SIGINT, SIG_DFL, 1);
+	setsignal (SIGPIPE, SIG_DFL, 0);
 #endif
 }
 
@@ -1095,8 +1101,16 @@ int qse_main (int argc, qse_achar_t* argv[])
 	qse_setdflcmgr (qse_slmbcmgr);
 #endif
 
+#if defined(ENABLE_MPI)
+	MPI_Init (&argc, &argv);
+#endif
+
 	ret = qse_runmain (argc, argv, awk_main);
 
+#if defined(ENABLE_MPI)
+	MPI_Finalize ();
+#endif
+
 #if defined(_WIN32)
 	WSACleanup ();
 #endif
diff --git a/qse/cmd/awk/mpi.c b/qse/cmd/awk/mpi.c
new file mode 100644
index 00000000..253a73d1
--- /dev/null
+++ b/qse/cmd/awk/mpi.c
@@ -0,0 +1,14 @@
+
+
+#define ENABLE_MPI
+
+#define qse_awk_openstd         qse_awk_openmpi
+#define qse_awk_openstdwithmmgr qse_awk_openmpiwithmmgr
+#define qse_awk_getxtnstd       qse_awk_getxtnmpi
+#define qse_awk_parsestd        qse_awk_parsempi
+#define qse_awk_rtx_openstd     qse_awk_rtx_openmpi
+#define qse_awk_rtx_getxtnstd   qse_awk_rtx_getxtnmpi
+#define qse_awk_rtx_getcmgrstd  qse_awk_rtx_getcmgrmpi
+
+#include "awk.c"
+
diff --git a/qse/cmd/cut/Makefile.in b/qse/cmd/cut/Makefile.in
index 74915157..0f1f64bc 100644
--- a/qse/cmd/cut/Makefile.in
+++ b/qse/cmd/cut/Makefile.in
@@ -43,7 +43,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -129,6 +129,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/cmd/sed/Makefile.in b/qse/cmd/sed/Makefile.in
index 0eb6462a..59c055a4 100644
--- a/qse/cmd/sed/Makefile.in
+++ b/qse/cmd/sed/Makefile.in
@@ -43,7 +43,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -129,6 +129,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/cmd/stx/Makefile.in b/qse/cmd/stx/Makefile.in
index 6d39763f..a424e624 100644
--- a/qse/cmd/stx/Makefile.in
+++ b/qse/cmd/stx/Makefile.in
@@ -43,7 +43,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -129,6 +129,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/configure b/qse/configure
index f76f6abc..ec7330d4 100755
--- a/qse/configure
+++ b/qse/configure
@@ -635,6 +635,11 @@ ENABLE_CXX_FALSE
 ENABLE_CXX_TRUE
 BUILD_MODE
 CHAR_MODE
+HAVE_C_MPI_FALSE
+HAVE_C_MPI_TRUE
+MPI_CLDFLAGS
+MPI_CFLAGS
+MPICC
 UNICOWS_LIBS
 SENDFILE_LIBS
 SOCKET_LIBS
@@ -16665,6 +16670,317 @@ fi
 
 
 
+
+
+
+         if [ ! -z "$MPICC" ]; then
+
+     # Try to find a working MPI compiler from the supplied names
+     for ac_prog in $MPICC
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_MPICC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $MPICC in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_MPICC="$MPICC" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_MPICC="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+MPICC=$ac_cv_path_MPICC
+if test -n "$MPICC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MPICC" >&5
+$as_echo "$MPICC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$MPICC" && break
+done
+test -n "$MPICC" || MPICC="not-found"
+
+
+     # Figure out what the compiler responds to to get it to show us the compile
+     # and link lines. After this part of the macro, we'll have a valid
+     # lx_mpi_command_line
+     echo -n "Checking whether $MPICC responds to '-showme:compile'... "
+     lx_mpi_compile_line=`$MPICC -showme:compile 2>/dev/null`
+     if [ "$?" -eq 0 ]; then
+         echo yes
+         lx_mpi_link_line=`$MPICC -showme:link 2>/dev/null`
+     else
+         echo no
+         echo -n "Checking whether $MPICC responds to '-showme'... "
+         lx_mpi_command_line=`$MPICC -showme 2>/dev/null`
+         if [ "$?" -ne 0 ]; then
+             echo no
+             echo -n "Checking whether $MPICC responds to '-compile-info'... "
+             lx_mpi_compile_line=`$MPICC -compile-info 2>/dev/null`
+             if [ "$?" -eq 0 ]; then
+                 echo yes
+                 lx_mpi_link_line=`$MPICC -link-info 2>/dev/null`
+             else
+                 echo no
+                 echo -n "Checking whether $MPICC responds to '-show'... "
+                 lx_mpi_command_line=`$MPICC -show 2>/dev/null`
+                 if [ "$?" -eq 0 ]; then
+                     echo yes
+                 else
+                     echo no
+                 fi
+             fi
+         else
+             echo yes
+         fi
+     fi
+
+     if [ ! -z "$lx_mpi_compile_line" -a ! -z "$lx_mpi_link_line" ]; then
+         lx_mpi_command_line="$lx_mpi_compile_line $lx_mpi_link_line"
+     fi
+
+     if [ ! -z "$lx_mpi_command_line" ]; then
+         # Now extract the different parts of the MPI command line. Do these separately in case we need to
+         # parse them all out in future versions of this macro.
+         lx_mpi_defines=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-D\([^\"[:space:]]\+\|\"[^\"[:space:]]\+\"\)'`
+         lx_mpi_includes=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-I\([^\"[:space:]]\+\|\"[^\"[:space:]]\+\"\)'`
+         lx_mpi_link_paths=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-L\([^\"[:space:]]\+\|\"[^\"[:space:]]\+\"\)'`
+         lx_mpi_libs=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-l\([^\"[:space:]]\+\|\"[^\"[:space:]]\+\"\)'`
+         lx_mpi_link_args=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-Wl,\([^\"[:space:]]\+\|\"[^\"[:space:]]\+\"\)'`
+
+         # Create variables and clean up newlines and multiple spaces
+         MPI_CFLAGS="$lx_mpi_defines $lx_mpi_includes"
+         MPI_CLDFLAGS="$lx_mpi_link_paths $lx_mpi_libs $lx_mpi_link_args"
+         MPI_CFLAGS=` echo "$MPI_CFLAGS" | tr '\n' ' ' | sed 's/^[ \t]*//;s/[ \t]*$//' | sed 's/ +/ /g'`
+         MPI_CLDFLAGS=`echo "$MPI_CLDFLAGS" | tr '\n' ' ' | sed 's/^[ \t]*//;s/[ \t]*$//' | sed 's/ +/ /g'`
+
+         OLD_CPPFLAGS=$CPPFLAGS
+         OLD_LIBS=$LIBS
+         CPPFLAGS=$MPI_CFLAGS
+         LIBS=$MPI_CLDFLAGS
+
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <mpi.h>
+int
+main ()
+{
+int rank, size;
+                      MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+                      MPI_Comm_size(MPI_COMM_WORLD, &size);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  # Add a define for testing at compile time.
+
+$as_echo "#define HAVE_MPI 1" >>confdefs.h
+
+                      have_C_mpi='yes'
+else
+  # zero out mpi flags so we don't link against the faulty library.
+                      MPI_CFLAGS=""
+                      MPI_CLDFLAGS=""
+                      have_C_mpi='no'
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+
+         # AC_SUBST everything.
+
+
+
+
+         LIBS=$OLD_LIBS
+         CPPFLAGS=$OLD_CPPFLAGS
+     else
+         Echo Unable to find suitable MPI Compiler. Try setting MPICC.
+         have_C_mpi='no'
+     fi
+
+         else
+
+     # Try to find a working MPI compiler from the supplied names
+     for ac_prog in mpicc mpiicc mpixlc mpipgcc
+do
+  # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_path_MPICC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  case $MPICC in
+  [\\/]* | ?:[\\/]*)
+  ac_cv_path_MPICC="$MPICC" # Let the user override the test with a path.
+  ;;
+  *)
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_path_MPICC="$as_dir/$ac_word$ac_exec_ext"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+  ;;
+esac
+fi
+MPICC=$ac_cv_path_MPICC
+if test -n "$MPICC"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MPICC" >&5
+$as_echo "$MPICC" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+  test -n "$MPICC" && break
+done
+test -n "$MPICC" || MPICC="not-found"
+
+
+     # Figure out what the compiler responds to to get it to show us the compile
+     # and link lines. After this part of the macro, we'll have a valid
+     # lx_mpi_command_line
+     echo -n "Checking whether $MPICC responds to '-showme:compile'... "
+     lx_mpi_compile_line=`$MPICC -showme:compile 2>/dev/null`
+     if [ "$?" -eq 0 ]; then
+         echo yes
+         lx_mpi_link_line=`$MPICC -showme:link 2>/dev/null`
+     else
+         echo no
+         echo -n "Checking whether $MPICC responds to '-showme'... "
+         lx_mpi_command_line=`$MPICC -showme 2>/dev/null`
+         if [ "$?" -ne 0 ]; then
+             echo no
+             echo -n "Checking whether $MPICC responds to '-compile-info'... "
+             lx_mpi_compile_line=`$MPICC -compile-info 2>/dev/null`
+             if [ "$?" -eq 0 ]; then
+                 echo yes
+                 lx_mpi_link_line=`$MPICC -link-info 2>/dev/null`
+             else
+                 echo no
+                 echo -n "Checking whether $MPICC responds to '-show'... "
+                 lx_mpi_command_line=`$MPICC -show 2>/dev/null`
+                 if [ "$?" -eq 0 ]; then
+                     echo yes
+                 else
+                     echo no
+                 fi
+             fi
+         else
+             echo yes
+         fi
+     fi
+
+     if [ ! -z "$lx_mpi_compile_line" -a ! -z "$lx_mpi_link_line" ]; then
+         lx_mpi_command_line="$lx_mpi_compile_line $lx_mpi_link_line"
+     fi
+
+     if [ ! -z "$lx_mpi_command_line" ]; then
+         # Now extract the different parts of the MPI command line. Do these separately in case we need to
+         # parse them all out in future versions of this macro.
+         lx_mpi_defines=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-D\([^\"[:space:]]\+\|\"[^\"[:space:]]\+\"\)'`
+         lx_mpi_includes=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-I\([^\"[:space:]]\+\|\"[^\"[:space:]]\+\"\)'`
+         lx_mpi_link_paths=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-L\([^\"[:space:]]\+\|\"[^\"[:space:]]\+\"\)'`
+         lx_mpi_libs=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-l\([^\"[:space:]]\+\|\"[^\"[:space:]]\+\"\)'`
+         lx_mpi_link_args=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-Wl,\([^\"[:space:]]\+\|\"[^\"[:space:]]\+\"\)'`
+
+         # Create variables and clean up newlines and multiple spaces
+         MPI_CFLAGS="$lx_mpi_defines $lx_mpi_includes"
+         MPI_CLDFLAGS="$lx_mpi_link_paths $lx_mpi_libs $lx_mpi_link_args"
+         MPI_CFLAGS=` echo "$MPI_CFLAGS" | tr '\n' ' ' | sed 's/^[ \t]*//;s/[ \t]*$//' | sed 's/ +/ /g'`
+         MPI_CLDFLAGS=`echo "$MPI_CLDFLAGS" | tr '\n' ' ' | sed 's/^[ \t]*//;s/[ \t]*$//' | sed 's/ +/ /g'`
+
+         OLD_CPPFLAGS=$CPPFLAGS
+         OLD_LIBS=$LIBS
+         CPPFLAGS=$MPI_CFLAGS
+         LIBS=$MPI_CLDFLAGS
+
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <mpi.h>
+int
+main ()
+{
+int rank, size;
+                      MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+                      MPI_Comm_size(MPI_COMM_WORLD, &size);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  # Add a define for testing at compile time.
+
+$as_echo "#define HAVE_MPI 1" >>confdefs.h
+
+                      have_C_mpi='yes'
+else
+  # zero out mpi flags so we don't link against the faulty library.
+                      MPI_CFLAGS=""
+                      MPI_CLDFLAGS=""
+                      have_C_mpi='no'
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+
+         # AC_SUBST everything.
+
+
+
+
+         LIBS=$OLD_LIBS
+         CPPFLAGS=$OLD_CPPFLAGS
+     else
+         Echo Unable to find suitable MPI Compiler. Try setting MPICC.
+         have_C_mpi='no'
+     fi
+
+         fi
+
+
+ if test "${have_C_mpi}" = "yes" ; then
+  HAVE_C_MPI_TRUE=
+  HAVE_C_MPI_FALSE='#'
+else
+  HAVE_C_MPI_TRUE='#'
+  HAVE_C_MPI_FALSE=
+fi
+
+
 ac_header_dirent=no
 for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do
   as_ac_Header=`$as_echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh`
@@ -18787,6 +19103,10 @@ if test -z "${WIN32_TRUE}" && test -z "${WIN32_FALSE}"; then
   as_fn_error $? "conditional \"WIN32\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_C_MPI_TRUE}" && test -z "${HAVE_C_MPI_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_C_MPI\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 
 if test -z "${ENABLE_CXX_TRUE}" && test -z "${ENABLE_CXX_FALSE}"; then
   as_fn_error $? "conditional \"ENABLE_CXX\" was never defined.
diff --git a/qse/configure.ac b/qse/configure.ac
index cae8f4e9..00a14ee5 100644
--- a/qse/configure.ac
+++ b/qse/configure.ac
@@ -192,6 +192,11 @@ dnl the existence of the libaray.
 AC_CHECK_LIB([unicows], [main], [UNICOWS_LIBS="-lunicows"])
 AC_SUBST(UNICOWS_LIBS)
 
+dnl MPI
+LX_FIND_MPI(C)
+AM_CONDITIONAL(HAVE_C_MPI, test "${have_C_mpi}" = "yes" )
+dnl AM_CONDITIONAL(HAVE_CXX_MPI, test "${have_CXX_mpi}" = "yes" )
+
 AC_STRUCT_DIRENT_D_TYPE
 AC_CHECK_MEMBERS([struct stat.st_birthtime])
 AC_CHECK_MEMBERS([struct stat.st_mtim.tv_nsec])
diff --git a/qse/doc/Makefile.in b/qse/doc/Makefile.in
index 6a37e479..bd7a0417 100644
--- a/qse/doc/Makefile.in
+++ b/qse/doc/Makefile.in
@@ -41,7 +41,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -144,6 +144,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/doc/image/Makefile.in b/qse/doc/image/Makefile.in
index e5adb1d3..2907e4cf 100644
--- a/qse/doc/image/Makefile.in
+++ b/qse/doc/image/Makefile.in
@@ -40,7 +40,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -103,6 +103,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/doc/page/Makefile.in b/qse/doc/page/Makefile.in
index 98ae8f04..5b002e25 100644
--- a/qse/doc/page/Makefile.in
+++ b/qse/doc/page/Makefile.in
@@ -40,7 +40,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -103,6 +103,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/include/Makefile.in b/qse/include/Makefile.in
index b171995a..8c6125bf 100644
--- a/qse/include/Makefile.in
+++ b/qse/include/Makefile.in
@@ -40,7 +40,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -141,6 +141,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/include/qse/Makefile.in b/qse/include/qse/Makefile.in
index e6b091e5..08d1763e 100644
--- a/qse/include/qse/Makefile.in
+++ b/qse/include/qse/Makefile.in
@@ -42,7 +42,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -169,6 +169,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/include/qse/awk/Makefile.am b/qse/include/qse/awk/Makefile.am
index 05533cfd..f15436dc 100644
--- a/qse/include/qse/awk/Makefile.am
+++ b/qse/include/qse/awk/Makefile.am
@@ -1,6 +1,6 @@
 pkgincludedir = $(includedir)/qse/awk
 
-pkginclude_HEADERS = awk.h std.h
+pkginclude_HEADERS = awk.h std.h mpi.h
 
 if ENABLE_CXX
 pkginclude_HEADERS += Awk.hpp StdAwk.hpp
diff --git a/qse/include/qse/awk/Makefile.in b/qse/include/qse/awk/Makefile.in
index 6318e015..8f56d72f 100644
--- a/qse/include/qse/awk/Makefile.in
+++ b/qse/include/qse/awk/Makefile.in
@@ -42,7 +42,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -51,7 +51,7 @@ CONFIG_CLEAN_FILES =
 CONFIG_CLEAN_VPATH_FILES =
 SOURCES =
 DIST_SOURCES =
-am__pkginclude_HEADERS_DIST = awk.h std.h Awk.hpp StdAwk.hpp
+am__pkginclude_HEADERS_DIST = awk.h std.h mpi.h Awk.hpp StdAwk.hpp
 am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
 am__vpath_adj = case $$p in \
     $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
@@ -130,6 +130,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
@@ -225,7 +228,7 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-pkginclude_HEADERS = awk.h std.h $(am__append_1)
+pkginclude_HEADERS = awk.h std.h mpi.h $(am__append_1)
 all: all-am
 
 .SUFFIXES:
diff --git a/qse/include/qse/awk/mpi.h b/qse/include/qse/awk/mpi.h
new file mode 100644
index 00000000..4d51347d
--- /dev/null
+++ b/qse/include/qse/awk/mpi.h
@@ -0,0 +1,140 @@
+/*
+ * $Id$
+ *
+    Copyright 2006-2012 Chung, Hyung-Hwan.
+    This file is part of QSE.
+
+    QSE is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as 
+    published by the Free Software Foundation, either version 3 of 
+    the License, or (at your option) any later version.
+
+    QSE is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public 
+    License along with QSE. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _QSE_AWK_MPI_H_
+#define _QSE_AWK_MPI_H_
+
+#include <qse/awk/std.h>
+
+/** @file
+ * This file defines functions and data types for parallel processing.
+ */
+
+enum qse_awk_parsempi_type_t
+{
+	QSE_AWK_PARSEMPI_NULL = QSE_AWK_PARSESTD_NULL,
+	QSE_AWK_PARSEMPI_FILE = QSE_AWK_PARSESTD_FILE,
+	QSE_AWK_PARSEMPI_STR  = QSE_AWK_PARSESTD_STR
+};
+
+typedef enum qse_awk_parsempi_type_t qse_awk_parsempi_type_t;
+
+typedef qse_awk_parsestd_t qse_awk_parsempi_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * The qse_awk_openmpi() function creates an awk object using the default 
+ * memory manager and primitive functions. Besides, it adds a set of
+ * standard intrinsic functions like atan, system, etc. Use this function
+ * over qse_awk_open() if you don't need finer-grained customization.
+ */
+qse_awk_t* qse_awk_openmpi (
+	qse_size_t xtnsize  /**< extension size in bytes */
+);
+
+/**
+ * The qse_awk_openmpiwithmmgr() function creates an awk object with a 
+ * user-defined memory manager. It is equivalent to qse_awk_openmpi(), 
+ * except that you can specify your own memory manager.
+ */
+qse_awk_t* qse_awk_openmpiwithmmgr (
+	qse_mmgr_t* mmgr,    /**< memory manager */
+	qse_size_t  xtnsize  /**< extension size in bytes */
+);
+
+/**
+ * The qse_awk_getxtnmpi() gets the pointer to extension space. 
+ * Note that you must not call qse_awk_getxtn() for an awk object
+ * created with qse_awk_openmpi() and qse_awk_openmpiwithmmgr().
+ */
+void* qse_awk_getxtnmpi (
+	qse_awk_t* awk
+);
+
+/**
+ * The qse_awk_parsempi() functions parses source script.
+ * The code below shows how to parse a literal string 'BEGIN { print 10; }' 
+ * and deparses it out to a buffer 'buf'.
+ * @code
+ * int n;
+ * qse_awk_parsempi_t in;
+ * qse_awk_parsempi_t out;
+ *
+ * in.type = QSE_AWK_PARSESTD_STR;
+ * in.u.str.ptr = QSE_T("BEGIN { print 10; }");
+ * in.u.str.len = qse_strlen(in.u.str.ptr);
+ * out.type = QSE_AWK_PARSESTD_STR;
+ * n = qse_awk_parsempi (awk, &in, &out);
+ * if (n >= 0) 
+ * {
+ *   qse_printf (QSE_T("%s\n"), out.u.str.ptr);
+ *   QSE_MMGR_FREE (out.u.str.ptr);
+ * }
+ * @endcode
+ */
+int qse_awk_parsempi (
+	qse_awk_t*          awk,
+	qse_awk_parsempi_t* in,
+	qse_awk_parsempi_t* out
+);
+
+/**
+ * The qse_awk_rtx_openmpi() function creates a standard runtime context.
+ * The caller should keep the contents of @a icf and @a ocf valid throughout
+ * the lifetime of the runtime context created. The @a cmgr is set to the
+ * streams created with @a icf and @a ocf if it is not #QSE_NULL.
+ */
+qse_awk_rtx_t* qse_awk_rtx_openmpi (
+	qse_awk_t*             awk,
+	qse_size_t             xtn,
+	const qse_char_t*      id,
+	const qse_char_t*const icf[],
+	const qse_char_t*const ocf[],
+	qse_cmgr_t*            cmgr
+);
+
+/**
+ * The qse_awk_rtx_getxtnmpi() function gets the pointer to extension space.
+ */
+void* qse_awk_rtx_getxtnmpi (
+	qse_awk_rtx_t* rtx
+);
+
+
+/**
+ * The qse_awk_rtx_getcmgrmpi() function gets the current character 
+ * manager associated with a particular I/O target indicated by the name 
+ * @a ioname if #QSE_CHAR_IS_WCHAR is defined. It always returns #QSE_NULL
+ * if #QSE_CHAR_IS_MCHAR is defined.
+ */
+qse_cmgr_t* qse_awk_rtx_getcmgrmpi (
+	qse_awk_rtx_t*    rtx,
+	const qse_char_t* ioname
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif
diff --git a/qse/include/qse/cmn/Makefile.in b/qse/include/qse/cmn/Makefile.in
index ce829a7d..de6ab9e7 100644
--- a/qse/include/qse/cmn/Makefile.in
+++ b/qse/include/qse/cmn/Makefile.in
@@ -42,7 +42,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -134,6 +134,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/include/qse/config.h.in b/qse/include/qse/config.h.in
index cb545f8e..59585f10 100644
--- a/qse/include/qse/config.h.in
+++ b/qse/include/qse/config.h.in
@@ -175,6 +175,9 @@
 /* Define to 1 if you have the <memory.h> header file. */
 #undef HAVE_MEMORY_H
 
+/* Define to 1 if you have MPI libs and headers. */
+#undef HAVE_MPI
+
 /* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
 #undef HAVE_NDIR_H
 
diff --git a/qse/include/qse/cut/Makefile.in b/qse/include/qse/cut/Makefile.in
index 7e42d78a..fabda160 100644
--- a/qse/include/qse/cut/Makefile.in
+++ b/qse/include/qse/cut/Makefile.in
@@ -42,7 +42,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -130,6 +130,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/include/qse/net/Makefile.in b/qse/include/qse/net/Makefile.in
index e413fcdb..fe967d08 100644
--- a/qse/include/qse/net/Makefile.in
+++ b/qse/include/qse/net/Makefile.in
@@ -41,7 +41,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -128,6 +128,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/include/qse/sed/Makefile.in b/qse/include/qse/sed/Makefile.in
index ceb947b1..d269fcab 100644
--- a/qse/include/qse/sed/Makefile.in
+++ b/qse/include/qse/sed/Makefile.in
@@ -42,7 +42,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -130,6 +130,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/include/qse/stx/Makefile.in b/qse/include/qse/stx/Makefile.in
index 169f977a..2291ff0f 100644
--- a/qse/include/qse/stx/Makefile.in
+++ b/qse/include/qse/stx/Makefile.in
@@ -41,7 +41,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -128,6 +128,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/lib/Makefile.in b/qse/lib/Makefile.in
index d385e452..faec0b03 100644
--- a/qse/lib/Makefile.in
+++ b/qse/lib/Makefile.in
@@ -40,7 +40,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -140,6 +140,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/lib/awk/Makefile.am b/qse/lib/awk/Makefile.am
index 59c9d9da..4f4b45b0 100644
--- a/qse/lib/awk/Makefile.am
+++ b/qse/lib/awk/Makefile.am
@@ -1,4 +1,3 @@
-
 AUTOMAKE_OPTIONS = nostdinc
 
 AM_CPPFLAGS = \
@@ -17,3 +16,11 @@ libqseawkxx_la_SOURCES = Awk.cpp StdAwk.cpp
 libqseawkxx_la_LDFLAGS = -L. -L../cmn -L$(libdir) -version-info 1:0:0 -no-undefined
 libqseawkxx_la_LIBADD = -lqseawk  -lqsecmn $(LIBM)
 endif
+
+if HAVE_C_MPI
+lib_LTLIBRARIES += libqseawkp.la
+libqseawkp_la_CPPFLAGS = $(AM_CPPFLAGS) $(MPI_CFLAGS)
+libqseawkp_la_SOURCES = mpi.c
+libqseawkp_la_LDFLAGS = -L. -L../cmn -L$(libdir) -version-info 1:0:0 -no-undefined $(MPI_CLDFLAGS)
+libqseawkp_la_LIBADD = -lqseawk -lqsecmn $(LIBM)
+endif
diff --git a/qse/lib/awk/Makefile.in b/qse/lib/awk/Makefile.in
index b4a6e9c9..27adda07 100644
--- a/qse/lib/awk/Makefile.in
+++ b/qse/lib/awk/Makefile.in
@@ -35,6 +35,7 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 @ENABLE_CXX_TRUE@am__append_1 = libqseawkxx.la
+@HAVE_C_MPI_TRUE@am__append_2 = libqseawkp.la
 subdir = lib/awk
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -42,7 +43,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -80,6 +81,14 @@ libqseawk_la_OBJECTS = $(am_libqseawk_la_OBJECTS)
 libqseawk_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
 	$(libqseawk_la_LDFLAGS) $(LDFLAGS) -o $@
+@HAVE_C_MPI_TRUE@libqseawkp_la_DEPENDENCIES = $(am__DEPENDENCIES_1)
+am__libqseawkp_la_SOURCES_DIST = mpi.c
+@HAVE_C_MPI_TRUE@am_libqseawkp_la_OBJECTS = libqseawkp_la-mpi.lo
+libqseawkp_la_OBJECTS = $(am_libqseawkp_la_OBJECTS)
+libqseawkp_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(libqseawkp_la_LDFLAGS) $(LDFLAGS) -o $@
+@HAVE_C_MPI_TRUE@am_libqseawkp_la_rpath = -rpath $(libdir)
 @ENABLE_CXX_TRUE@libqseawkxx_la_DEPENDENCIES = $(am__DEPENDENCIES_1)
 am__libqseawkxx_la_SOURCES_DIST = Awk.cpp StdAwk.cpp
 @ENABLE_CXX_TRUE@am_libqseawkxx_la_OBJECTS = Awk.lo StdAwk.lo
@@ -110,8 +119,10 @@ CXXLD = $(CXX)
 CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \
 	$(LDFLAGS) -o $@
-SOURCES = $(libqseawk_la_SOURCES) $(libqseawkxx_la_SOURCES)
+SOURCES = $(libqseawk_la_SOURCES) $(libqseawkp_la_SOURCES) \
+	$(libqseawkxx_la_SOURCES)
 DIST_SOURCES = $(libqseawk_la_SOURCES) \
+	$(am__libqseawkp_la_SOURCES_DIST) \
 	$(am__libqseawkxx_la_SOURCES_DIST)
 ETAGS = etags
 CTAGS = ctags
@@ -167,6 +178,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
@@ -268,13 +282,17 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/include \
 	-I$(includedir)
 
-lib_LTLIBRARIES = libqseawk.la $(am__append_1)
+lib_LTLIBRARIES = libqseawk.la $(am__append_1) $(am__append_2)
 libqseawk_la_SOURCES = awk.c err.c tree.c parse.c run.c rec.c val.c fnc.c misc.c rio.c std.c awk.h err.h rio.h val.h fnc.h misc.h parse.h run.h tree.h 
 libqseawk_la_LDFLAGS = -L../cmn -L$(libdir) -version-info 1:0:0 -no-undefined
 libqseawk_la_LIBADD = -lqsecmn $(LIBM)
 @ENABLE_CXX_TRUE@libqseawkxx_la_SOURCES = Awk.cpp StdAwk.cpp
 @ENABLE_CXX_TRUE@libqseawkxx_la_LDFLAGS = -L. -L../cmn -L$(libdir) -version-info 1:0:0 -no-undefined
 @ENABLE_CXX_TRUE@libqseawkxx_la_LIBADD = -lqseawk  -lqsecmn $(LIBM)
+@HAVE_C_MPI_TRUE@libqseawkp_la_CPPFLAGS = $(AM_CPPFLAGS) $(MPI_CFLAGS)
+@HAVE_C_MPI_TRUE@libqseawkp_la_SOURCES = mpi.c
+@HAVE_C_MPI_TRUE@libqseawkp_la_LDFLAGS = -L. -L../cmn -L$(libdir) -version-info 1:0:0 -no-undefined $(MPI_CLDFLAGS)
+@HAVE_C_MPI_TRUE@libqseawkp_la_LIBADD = -lqseawk -lqsecmn $(LIBM)
 all: all-am
 
 .SUFFIXES:
@@ -342,6 +360,8 @@ clean-libLTLIBRARIES:
 	done
 libqseawk.la: $(libqseawk_la_OBJECTS) $(libqseawk_la_DEPENDENCIES) 
 	$(libqseawk_la_LINK) -rpath $(libdir) $(libqseawk_la_OBJECTS) $(libqseawk_la_LIBADD) $(LIBS)
+libqseawkp.la: $(libqseawkp_la_OBJECTS) $(libqseawkp_la_DEPENDENCIES) 
+	$(libqseawkp_la_LINK) $(am_libqseawkp_la_rpath) $(libqseawkp_la_OBJECTS) $(libqseawkp_la_LIBADD) $(LIBS)
 libqseawkxx.la: $(libqseawkxx_la_OBJECTS) $(libqseawkxx_la_DEPENDENCIES) 
 	$(libqseawkxx_la_LINK) $(am_libqseawkxx_la_rpath) $(libqseawkxx_la_OBJECTS) $(libqseawkxx_la_LIBADD) $(LIBS)
 
@@ -356,6 +376,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/awk.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/err.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fnc.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libqseawkp_la-mpi.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/misc.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/parse.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rec.Plo@am__quote@
@@ -386,6 +407,13 @@ distclean-compile:
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(LTCOMPILE) -c -o $@ $<
 
+libqseawkp_la-mpi.lo: mpi.c
+@am__fastdepCC_TRUE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libqseawkp_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT libqseawkp_la-mpi.lo -MD -MP -MF $(DEPDIR)/libqseawkp_la-mpi.Tpo -c -o libqseawkp_la-mpi.lo `test -f 'mpi.c' || echo '$(srcdir)/'`mpi.c
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/libqseawkp_la-mpi.Tpo $(DEPDIR)/libqseawkp_la-mpi.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	source='mpi.c' object='libqseawkp_la-mpi.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(LIBTOOL)  --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libqseawkp_la_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o libqseawkp_la-mpi.lo `test -f 'mpi.c' || echo '$(srcdir)/'`mpi.c
+
 .cpp.o:
 @am__fastdepCXX_TRUE@	$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
 @am__fastdepCXX_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
diff --git a/qse/lib/awk/mpi.c b/qse/lib/awk/mpi.c
new file mode 100644
index 00000000..98259b10
--- /dev/null
+++ b/qse/lib/awk/mpi.c
@@ -0,0 +1,145 @@
+/*
+ * $Id$
+ *
+    Copyright 2006-2012 Chung, Hyung-Hwan.
+    This file is part of QSE.
+
+    QSE is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as 
+    published by the Free Software Foundation, either version 3 of 
+    the License, or (at your option) any later version.
+
+    QSE is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public 
+    License along with QSE. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <qse/awk/mpi.h>
+#include "../cmn/mem.h"
+#include <mpi.h>
+
+typedef struct xtn_t xtn_t;
+
+struct xtn_t
+{
+	int gbl_mpi_rank;
+	int gbl_mpi_size;
+};
+
+typedef struct rxtn_t rxtn_t;
+struct rxtn_t
+{
+	int dummy;
+};
+
+qse_awk_t* qse_awk_openmpi (qse_size_t xtnsize)
+{
+	return qse_awk_openmpiwithmmgr (QSE_MMGR_GETDFL(), xtnsize);
+}
+
+qse_awk_t* qse_awk_openmpiwithmmgr (qse_mmgr_t* mmgr, qse_size_t xtnsize)
+{
+	qse_awk_t* awk;
+
+	awk = qse_awk_openstdwithmmgr (
+		QSE_MMGR_GETDFL(), QSE_SIZEOF(xtn_t) + xtnsize);
+
+	if (awk)
+	{
+		xtn_t* xtn;
+
+		xtn = (xtn_t*) qse_awk_getxtnstd (awk);
+		QSE_MEMSET (xtn, 0, QSE_SIZEOF(*xtn));
+
+		xtn->gbl_mpi_rank = qse_awk_addgbl (awk, QSE_T("MPI_RANK"), 8);
+		xtn->gbl_mpi_size = qse_awk_addgbl (awk, QSE_T("MPI_SIZE"), 8);
+		if (xtn->gbl_mpi_rank <= -1 || xtn->gbl_mpi_size <= -1)
+		{	
+			qse_awk_close (awk);
+			return QSE_NULL;
+		}
+	}
+
+	return awk;
+}
+
+void* qse_awk_getxtnmpi (qse_awk_t* awk)
+{
+     return (void*)((xtn_t*)qse_awk_getxtnstd(awk) + 1);
+}
+
+int qse_awk_parsempi (
+	qse_awk_t* awk, qse_awk_parsempi_t* in, qse_awk_parsempi_t* out)
+{
+	return qse_awk_parsestd (awk, in, out);
+}
+
+qse_awk_rtx_t* qse_awk_rtx_openmpi (
+	qse_awk_t*             awk,
+	qse_size_t             xtnsize,
+	const qse_char_t*      id,
+	const qse_char_t*const icf[],
+	const qse_char_t*const ocf[],
+	qse_cmgr_t*            cmgr)
+{
+	qse_awk_rtx_t* rtx;
+
+	rtx = qse_awk_rtx_openstd (
+		awk, QSE_SIZEOF(rxtn_t) + xtnsize, id, icf, ocf, cmgr);
+	if (rtx)
+	{
+		int rank, size;
+
+		xtn_t* xtn;
+		rxtn_t* rxtn;
+		qse_awk_val_t* v_tmp;
+	
+		xtn = (xtn_t*) qse_awk_getxtnstd (awk);
+		rxtn = (rxtn_t*) qse_awk_rtx_getxtnstd (rtx);
+
+		QSE_MEMSET (rxtn, 0, QSE_SIZEOF(*rxtn));
+
+		MPI_Comm_rank (MPI_COMM_WORLD, &rank);
+		MPI_Comm_size (MPI_COMM_WORLD, &size);
+
+		v_tmp = qse_awk_rtx_makeintval (rtx, rank);
+		if (v_tmp == QSE_NULL)
+		{
+			qse_awk_rtx_close (rtx);
+			return QSE_NULL;
+		}
+
+		qse_awk_rtx_refupval (rtx, v_tmp);
+		qse_awk_rtx_setgbl (rtx, xtn->gbl_mpi_rank, v_tmp);
+		qse_awk_rtx_refdownval (rtx, v_tmp);
+
+		v_tmp = qse_awk_rtx_makeintval (rtx, size);
+		if (v_tmp == QSE_NULL)
+		{
+			qse_awk_rtx_close (rtx);
+			return QSE_NULL;
+		}
+
+		qse_awk_rtx_refupval (rtx, v_tmp);
+		qse_awk_rtx_setgbl (rtx, xtn->gbl_mpi_size, v_tmp);
+		qse_awk_rtx_refdownval (rtx, v_tmp);
+	}
+
+	return rtx;
+}
+
+void* qse_awk_rtx_getxtnmpi (qse_awk_rtx_t* rtx)
+{
+	return (void*)((rxtn_t*)qse_awk_rtx_getxtnstd(rtx) + 1);
+}
+
+qse_cmgr_t* qse_awk_rtx_getcmgrmpi (
+	qse_awk_rtx_t* rtx, const qse_char_t* ioname)
+{
+	return qse_awk_rtx_getcmgrstd (rtx, ioname);
+}
+
diff --git a/qse/lib/awk/run.c b/qse/lib/awk/run.c
index 092d0bcb..f5aa90d9 100644
--- a/qse/lib/awk/run.c
+++ b/qse/lib/awk/run.c
@@ -2813,8 +2813,7 @@ static int run_print (qse_awk_rtx_t* rtx, qse_awk_nde_print_t* nde)
 			QSE_STR_LEN(&rtx->inrec.line));
 		if (n <= -1 /*&& rtx->errinf.num != QSE_AWK_EIOIMPL*/)
 		{
-			if (out != QSE_NULL) 
-				QSE_AWK_FREE (rtx->awk, out);
+			if (out) QSE_AWK_FREE (rtx->awk, out);
 			ADJERR_LOC (rtx, &nde->loc);
 			return -1;
 		}
@@ -2843,8 +2842,7 @@ static int run_print (qse_awk_rtx_t* rtx, qse_awk_nde_print_t* nde)
 					rtx->gbl.ofs.len);
 				if (n <= -1 /*&& rtx->errinf.num != QSE_AWK_EIOIMPL*/) 
 				{
-					if (out != QSE_NULL)
-						QSE_AWK_FREE (rtx->awk, out);
+					if (out) QSE_AWK_FREE (rtx->awk, out);
 					ADJERR_LOC (rtx, &nde->loc);
 					return -1;
 				}
@@ -2853,8 +2851,7 @@ static int run_print (qse_awk_rtx_t* rtx, qse_awk_nde_print_t* nde)
 			v = eval_expression (rtx, np);
 			if (v == QSE_NULL) 
 			{
-				if (out != QSE_NULL)
-					QSE_AWK_FREE (rtx->awk, out);
+				if (out) QSE_AWK_FREE (rtx->awk, out);
 				return -1;
 			}
 			qse_awk_rtx_refupval (rtx, v);
@@ -2863,9 +2860,7 @@ static int run_print (qse_awk_rtx_t* rtx, qse_awk_nde_print_t* nde)
 				rtx, nde->out_type, dst, v);
 			if (n <= -1 /*&& rtx->errinf.num != QSE_AWK_EIOIMPL*/) 
 			{
-				if (out != QSE_NULL) 
-					QSE_AWK_FREE (rtx->awk, out);
-
+				if (out) QSE_AWK_FREE (rtx->awk, out);
 				qse_awk_rtx_refdownval (rtx, v);
 				ADJERR_LOC (rtx, &nde->loc);
 				return -1;
@@ -2881,7 +2876,7 @@ static int run_print (qse_awk_rtx_t* rtx, qse_awk_nde_print_t* nde)
 		rtx->gbl.ors.ptr, rtx->gbl.ors.len);
 	if (n <= -1 /*&& rtx->errinf.num != QSE_AWK_EIOIMPL*/)
 	{
-		if (out != QSE_NULL) QSE_AWK_FREE (rtx->awk, out);
+		if (out) QSE_AWK_FREE (rtx->awk, out);
 		ADJERR_LOC (rtx, &nde->loc);
 		return -1;
 	}
@@ -2889,7 +2884,7 @@ static int run_print (qse_awk_rtx_t* rtx, qse_awk_nde_print_t* nde)
 	/* unlike printf, flushio() is not needed here as print 
 	 * inserts <NL> that triggers auto-flush */
 
-	if (out != QSE_NULL) QSE_AWK_FREE (rtx->awk, out);
+	if (out) QSE_AWK_FREE (rtx->awk, out);
 
 /*skip_write:*/
 	return 0;
diff --git a/qse/lib/cmn/Makefile.in b/qse/lib/cmn/Makefile.in
index 621d5263..be2bcec4 100644
--- a/qse/lib/cmn/Makefile.in
+++ b/qse/lib/cmn/Makefile.in
@@ -44,7 +44,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -182,6 +182,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/lib/cut/Makefile.in b/qse/lib/cut/Makefile.in
index 9ecfaeda..e61a8521 100644
--- a/qse/lib/cut/Makefile.in
+++ b/qse/lib/cut/Makefile.in
@@ -42,7 +42,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -165,6 +165,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/lib/net/Makefile.in b/qse/lib/net/Makefile.in
index 7a14120a..5e94087d 100644
--- a/qse/lib/net/Makefile.in
+++ b/qse/lib/net/Makefile.in
@@ -41,7 +41,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -148,6 +148,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/lib/sed/Makefile.in b/qse/lib/sed/Makefile.in
index 65917872..c9876c77 100644
--- a/qse/lib/sed/Makefile.in
+++ b/qse/lib/sed/Makefile.in
@@ -42,7 +42,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -165,6 +165,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/lib/stx/Makefile.in b/qse/lib/stx/Makefile.in
index e171e4b4..4c894b8a 100644
--- a/qse/lib/stx/Makefile.in
+++ b/qse/lib/stx/Makefile.in
@@ -41,7 +41,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -147,6 +147,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/m4/lx_find_mpi.m4 b/qse/m4/lx_find_mpi.m4
new file mode 100644
index 00000000..f86c43b3
--- /dev/null
+++ b/qse/m4/lx_find_mpi.m4
@@ -0,0 +1,205 @@
+#################################################################################################
+# Copyright (c) 2010, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory
+# Written by Todd Gamblin, tgamblin@llnl.gov.
+# LLNL-CODE-417602
+# All rights reserved.
+#
+# This file is part of Libra. For details, see http://github.com/tgamblin/libra.
+# Please also read the LICENSE file for further information.
+#
+# Redistribution and use in source and binary forms, with or without modification, are
+# permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this list of
+# conditions and the disclaimer below.
+# * Redistributions in binary form must reproduce the above copyright notice, this list of
+# conditions and the disclaimer (as noted below) in the documentation and/or other materials
+# provided with the distribution.
+# * Neither the name of the LLNS/LLNL nor the names of its contributors may be used to endorse
+# or promote products derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+# LAWRENCE LIVERMORE NATIONAL SECURITY, LLC, THE U.S. DEPARTMENT OF ENERGY OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#################################################################################################
+
+#
+# LX_FIND_MPI()
+# ------------------------------------------------------------------------
+# This macro finds an MPI compiler and extracts includes and libraries from
+# it for use in automake projects. The script exports the following variables:
+#
+# AC_DEFINE variables:
+# HAVE_MPI AC_DEFINE'd to 1 if we found MPI
+#
+# AC_SUBST variables:
+# MPICC Name of MPI compiler
+# MPI_CFLAGS Includes and defines for MPI C compilation
+# MPI_CLDFLAGS Libraries and library paths for linking MPI C programs
+#
+# MPICXX Name of MPI C++ compiler
+# MPI_CXXFLAGS Includes and defines for MPI C++ compilation
+# MPI_CXXLDFLAGS Libraries and library paths for linking MPI C++ programs
+#
+# MPIF77 Name of MPI Fortran 77 compiler
+# MPI_F77FLAGS Includes and defines for MPI Fortran 77 compilation
+# MPI_F77LDFLAGS Libraries and library paths for linking MPI Fortran 77 programs
+#
+# MPIFC Name of MPI Fortran compiler
+# MPI_FFLAGS Includes and defines for MPI Fortran compilation
+# MPI_FLDFLAGS Libraries and library paths for linking MPI Fortran programs
+#
+# Shell variables output by this macro:
+# have_C_mpi 'yes' if we found MPI for C, 'no' otherwise
+# have_CXX_mpi 'yes' if we found MPI for C++, 'no' otherwise
+# have_F77_mpi 'yes' if we found MPI for F77, 'no' otherwise
+# have_F_mpi 'yes' if we found MPI for Fortran, 'no' otherwise
+#
+AC_DEFUN([LX_FIND_MPI],
+[
+     AC_LANG_CASE(
+     [C], [
+         AC_REQUIRE([AC_PROG_CC])
+         if [[ ! -z "$MPICC" ]]; then
+             LX_QUERY_MPI_COMPILER(MPICC, [$MPICC], C)
+         else
+             LX_QUERY_MPI_COMPILER(MPICC, [mpicc mpiicc mpixlc mpipgcc], C)
+         fi
+     ],
+     [C++], [
+         AC_REQUIRE([AC_PROG_CXX])
+         if [[ ! -z "$MPICXX" ]]; then
+             LX_QUERY_MPI_COMPILER(MPICXX, [$MPICXX], CXX)
+         else
+             LX_QUERY_MPI_COMPILER(MPICXX, [mpicxx mpiCC mpic++ mpig++ mpiicpc mpipgCC mpixlC], CXX)
+         fi
+     ],
+     [F77], [
+         AC_REQUIRE([AC_PROG_F77])
+         if [[ ! -z "$MPIF77" ]]; then
+             LX_QUERY_MPI_COMPILER(MPIF77, [$MPIF77], F77)
+         else
+             LX_QUERY_MPI_COMPILER(MPIF77, [mpif77 mpiifort mpixlf77 mpixlf77_r], F77)
+         fi
+     ],
+     [Fortran], [
+         AC_REQUIRE([AC_PROG_FC])
+         if [[ ! -z "$MPIFC" ]]; then
+             LX_QUERY_MPI_COMPILER(MPIFC, [$MPIFC], F)
+         else
+             mpi_default_fc="mpif95 mpif90 mpigfortran mpif2003"
+             mpi_intel_fc="mpiifort"
+             mpi_xl_fc="mpixlf95 mpixlf95_r mpixlf90 mpixlf90_r mpixlf2003 mpixlf2003_r"
+             mpi_pg_fc="mpipgf95 mpipgf90"
+             LX_QUERY_MPI_COMPILER(MPIFC, [$mpi_default_fc $mpi_intel_fc $mpi_xl_fc $mpi_pg_fc], F)
+         fi
+     ])
+])
+
+
+#
+# LX_QUERY_MPI_COMPILER([compiler-var-name], [compiler-names], [output-var-prefix])
+# ------------------------------------------------------------------------
+# AC_SUBST variables:
+# MPI_<prefix>FLAGS Includes and defines for MPI compilation
+# MPI_<prefix>LDFLAGS Libraries and library paths for linking MPI C programs
+#
+# Shell variables output by this macro:
+# found_mpi_flags 'yes' if we were able to get flags, 'no' otherwise
+#
+AC_DEFUN([LX_QUERY_MPI_COMPILER],
+[
+     # Try to find a working MPI compiler from the supplied names
+     AC_PATH_PROGS($1, [$2], [not-found])
+     
+     # Figure out what the compiler responds to to get it to show us the compile
+     # and link lines. After this part of the macro, we'll have a valid
+     # lx_mpi_command_line
+     echo -n "Checking whether $$1 responds to '-showme:compile'... "
+     lx_mpi_compile_line=`$$1 -showme:compile 2>/dev/null`
+     if [[ "$?" -eq 0 ]]; then
+         echo yes
+         lx_mpi_link_line=`$$1 -showme:link 2>/dev/null`
+     else
+         echo no
+         echo -n "Checking whether $$1 responds to '-showme'... "
+         lx_mpi_command_line=`$$1 -showme 2>/dev/null`
+         if [[ "$?" -ne 0 ]]; then
+             echo no
+             echo -n "Checking whether $$1 responds to '-compile-info'... "
+             lx_mpi_compile_line=`$$1 -compile-info 2>/dev/null`
+             if [[ "$?" -eq 0 ]]; then
+                 echo yes
+                 lx_mpi_link_line=`$$1 -link-info 2>/dev/null`
+             else
+                 echo no
+                 echo -n "Checking whether $$1 responds to '-show'... "
+                 lx_mpi_command_line=`$$1 -show 2>/dev/null`
+                 if [[ "$?" -eq 0 ]]; then
+                     echo yes
+                 else
+                     echo no
+                 fi
+             fi
+         else
+             echo yes
+         fi
+     fi
+          
+     if [[ ! -z "$lx_mpi_compile_line" -a ! -z "$lx_mpi_link_line" ]]; then
+         lx_mpi_command_line="$lx_mpi_compile_line $lx_mpi_link_line"
+     fi
+
+     if [[ ! -z "$lx_mpi_command_line" ]]; then
+         # Now extract the different parts of the MPI command line. Do these separately in case we need to
+         # parse them all out in future versions of this macro.
+         lx_mpi_defines=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-D\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'`
+         lx_mpi_includes=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-I\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'`
+         lx_mpi_link_paths=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-L\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'`
+         lx_mpi_libs=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-l\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'`
+         lx_mpi_link_args=` echo "$lx_mpi_command_line" | grep -o -- '\(^\| \)-Wl,\([[^\"[:space:]]]\+\|\"[[^\"[:space:]]]\+\"\)'`
+         
+         # Create variables and clean up newlines and multiple spaces
+         MPI_$3FLAGS="$lx_mpi_defines $lx_mpi_includes"
+         MPI_$3LDFLAGS="$lx_mpi_link_paths $lx_mpi_libs $lx_mpi_link_args"
+         MPI_$3FLAGS=` echo "$MPI_$3FLAGS" | tr '\n' ' ' | sed 's/^[[ \t]]*//;s/[[ \t]]*$//' | sed 's/ +/ /g'`
+         MPI_$3LDFLAGS=`echo "$MPI_$3LDFLAGS" | tr '\n' ' ' | sed 's/^[[ \t]]*//;s/[[ \t]]*$//' | sed 's/ +/ /g'`
+
+         OLD_CPPFLAGS=$CPPFLAGS
+         OLD_LIBS=$LIBS
+         CPPFLAGS=$MPI_$3FLAGS
+         LIBS=$MPI_$3LDFLAGS
+
+         AC_TRY_LINK([#include <mpi.h>],
+                     [int rank, size;
+                      MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+                      MPI_Comm_size(MPI_COMM_WORLD, &size);],
+                     [# Add a define for testing at compile time.
+                      AC_DEFINE([HAVE_MPI], [1], [Define to 1 if you have MPI libs and headers.])
+                      have_$3_mpi='yes'],
+                     [# zero out mpi flags so we don't link against the faulty library.
+                      MPI_$3FLAGS=""
+                      MPI_$3LDFLAGS=""
+                      have_$3_mpi='no'])
+
+         # AC_SUBST everything.
+         AC_SUBST($1)
+         AC_SUBST(MPI_$3FLAGS)
+         AC_SUBST(MPI_$3LDFLAGS)
+
+         LIBS=$OLD_LIBS
+         CPPFLAGS=$OLD_CPPFLAGS
+     else
+         Echo Unable to find suitable MPI Compiler. Try setting $1.
+         have_$3_mpi='no'
+     fi
+])
+
+
diff --git a/qse/regress/Makefile.in b/qse/regress/Makefile.in
index f1b8e7a8..bf0fb125 100644
--- a/qse/regress/Makefile.in
+++ b/qse/regress/Makefile.in
@@ -40,7 +40,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -141,6 +141,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/regress/awk/Makefile.in b/qse/regress/awk/Makefile.in
index e11283ff..13649ef3 100644
--- a/qse/regress/awk/Makefile.in
+++ b/qse/regress/awk/Makefile.in
@@ -41,7 +41,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -104,6 +104,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/regress/sed/Makefile.in b/qse/regress/sed/Makefile.in
index 6ef0c0bc..181cb33f 100644
--- a/qse/regress/sed/Makefile.in
+++ b/qse/regress/sed/Makefile.in
@@ -42,7 +42,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -106,6 +106,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/samples/Makefile.in b/qse/samples/Makefile.in
index 707d3a5e..841a71f6 100644
--- a/qse/samples/Makefile.in
+++ b/qse/samples/Makefile.in
@@ -40,7 +40,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -141,6 +141,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/samples/awk/Makefile.in b/qse/samples/awk/Makefile.in
index f722701c..caef5dc9 100644
--- a/qse/samples/awk/Makefile.in
+++ b/qse/samples/awk/Makefile.in
@@ -46,7 +46,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -211,6 +211,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/samples/cmn/Makefile.in b/qse/samples/cmn/Makefile.in
index fd6cd449..0321a3d5 100644
--- a/qse/samples/cmn/Makefile.in
+++ b/qse/samples/cmn/Makefile.in
@@ -51,7 +51,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -279,6 +279,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/samples/cut/Makefile.in b/qse/samples/cut/Makefile.in
index 7ee604f2..55821201 100644
--- a/qse/samples/cut/Makefile.in
+++ b/qse/samples/cut/Makefile.in
@@ -43,7 +43,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -127,6 +127,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/samples/net/Makefile.in b/qse/samples/net/Makefile.in
index 8ec438c8..63f84d5d 100644
--- a/qse/samples/net/Makefile.in
+++ b/qse/samples/net/Makefile.in
@@ -43,7 +43,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -133,6 +133,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/samples/sed/Makefile.in b/qse/samples/sed/Makefile.in
index bc62a387..fae079f9 100644
--- a/qse/samples/sed/Makefile.in
+++ b/qse/samples/sed/Makefile.in
@@ -44,7 +44,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -149,6 +149,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@
diff --git a/qse/tools/Makefile.in b/qse/tools/Makefile.in
index b8af3081..937714a1 100644
--- a/qse/tools/Makefile.in
+++ b/qse/tools/Makefile.in
@@ -40,7 +40,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ax_numval.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
 	$(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \
-	$(top_srcdir)/configure.ac
+	$(top_srcdir)/m4/lx_find_mpi.m4 $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
 mkinstalldirs = $(install_sh) -d
@@ -103,6 +103,9 @@ LTLIBOBJS = @LTLIBOBJS@
 MAKEINFO = @MAKEINFO@
 MANIFEST_TOOL = @MANIFEST_TOOL@
 MKDIR_P = @MKDIR_P@
+MPICC = @MPICC@
+MPI_CFLAGS = @MPI_CFLAGS@
+MPI_CLDFLAGS = @MPI_CLDFLAGS@
 NM = @NM@
 NMEDIT = @NMEDIT@
 OBJDUMP = @OBJDUMP@