diff --git a/ChangeLog b/ChangeLog
index fcceb54f..2dbaff80 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -17,6 +17,9 @@ NEW 2014-12-18 first implementation of a GLOBAL block which allows to shorten
                parameters (t0, data, fit) has been encapsulated into its own 
                functions.
 
+NEW 2015-02-04 Integration of libBNMR for fitting beta-NMR relaxation data
+	       into automake of musrfit.
+
 changes since 0.12.0
 ===================================
 NEW 2014-12-04 Fourier: added the unit 'Tesla' needed e.g. for HAL-9500
diff --git a/configure.ac b/configure.ac
index 3f0a04f6..0c219f42 100644
--- a/configure.ac
+++ b/configure.ac
@@ -733,6 +733,12 @@ dnl -----------------------------------------------
 
 AC_ARG_ENABLE([ASlibs], [AS_HELP_STRING([--enable-ASlibs],[build optional AS plug-ins [default=no]])],[BUILD_AS_LIBS=1], [BUILD_AS_LIBS=0])
 
+dnl -----------------------------------------------
+dnl Ask user if BNMRlibs should be built
+dnl -----------------------------------------------
+
+AC_ARG_ENABLE([BNMRlibs], [AS_HELP_STRING([--enable-BNMRlibs],[build optional BNMR plug-ins [default=no]])],[BUILD_BNMR_LIBS=1], [BUILD_BNMR_LIBS=0])
+
 dnl -----------------------------------------------
 dnl Set some paths and flags for PMusr, MusrRoot, TLemRunHeader, Class_MuSR_PSI, mud, NeXus (if enabled), etc.
 dnl -----------------------------------------------
@@ -780,6 +786,14 @@ if test "${PNEXUS_ENABLED}" = "1"; then
   AC_SUBST(PNEXUS_CXXFLAGS)
 fi
 
+if test "${BUILD_BNMR_LIBS}" = "1"; then
+  BNMRLIBS_SRCDIR="${SRCDIR}/external/libBNMR"
+  BNMRLIBS_LIBS="${BNMRLIBS_SRCDIR}/libBNMR.la"
+  BNMRLIBS_CFLAGS="-I${BNMRLIBS_SRCDIR}"
+  AC_SUBST(BNMRLIBS_LIBS)
+  AC_SUBST(BNMRLIBS_CFLAGS)
+fi
+
 if test "${BUILD_BMW_LIBS}" = "1"; then
   BMWTOOLS_SRCDIR="${SRCDIR}/external/BMWtools"
   BMWTOOLS_LIBS="${BMWTOOLS_SRCDIR}/libBMWtools.la"
@@ -1111,6 +1125,7 @@ AM_CONDITIONAL([PNEXUS_ENABLED], [test "${PNEXUS_ENABLED}" = "1"])
 AM_CONDITIONAL([BUILD_CUBALIB], [test "${BUILD_CUBA}" = "1"])
 AM_CONDITIONAL([BUILD_BMWLIBS], [test "${BUILD_BMW_LIBS}" = "1"])
 AM_CONDITIONAL([BUILD_ASLIBS], [test "${BUILD_AS_LIBS}" = "1"])
+AM_CONDITIONAL([BUILD_BNMRLIBS], [test "${BUILD_BNMR_LIBS}" = "1"])
 
 AC_CONFIG_FILES([Makefile \
                  src/Makefile \
@@ -1151,6 +1166,7 @@ AC_CONFIG_FILES([Makefile \
 		 src/external/libSpinValve/classes/Makefile \
                  src/external/libPhotoMeissner/Makefile \
                  src/external/libPhotoMeissner/classes/Makefile \
+                 src/external/libBNMR/Makefile \
                  src/musredit/musredit_startup.xml \
                  src/musrgui/musrgui_startup.xml])
 
@@ -1270,6 +1286,11 @@ if test "${BUILD_AS_LIBS}" -eq 1; then
 else
   echo "     ASlibs:                              no"
 fi
+if test "${BUILD_BNMR_LIBS}" -eq 1; then
+  echo "     BNMRlibs:                            yes"
+else
+  echo "     BNMRlibs:                            no"
+fi
 if test "${BUILD_BMW_LIBS}" -eq 1; then
   echo "     BMWlibs:                             yes"
 else
diff --git a/src/external/Makefile.am b/src/external/Makefile.am
index 360579d1..755d9210 100644
--- a/src/external/Makefile.am
+++ b/src/external/Makefile.am
@@ -19,4 +19,8 @@ if BUILD_BMWLIBS
             libCalcMeanFieldsLEM
 endif
 
-SUBDIRS = $(ASDIRS) $(CUBADIRS) $(BMWDIRS)
+if BUILD_BNMRLIBS
+  BNMRDIRS = libBNMR
+endif
+
+SUBDIRS = $(ASDIRS) $(CUBADIRS) $(BMWDIRS) $(BNMRDIRS)
diff --git a/src/external/libBNMR/Makefile.am b/src/external/libBNMR/Makefile.am
new file mode 100644
index 00000000..8023d07b
--- /dev/null
+++ b/src/external/libBNMR/Makefile.am
@@ -0,0 +1,52 @@
+## Process this file with automake to create Makefile.in
+
+h_sources = \
+  TBNMR.h 
+
+h_linkdef = \
+  TBNMRLinkDef.h
+
+dict_h_sources = \
+  TBNMRDict.h
+
+cpp_sources = \
+  TBNMR.cpp
+
+dict_cpp_sources = \
+  TBNMRDict.cpp
+
+include_HEADERS = $(h_sources)
+noinst_HEADERS = $(h_linkdef) $(dict_h_sources)
+
+AM_CPPFLAGS = -I$(top_srcdir)/src/include $(PMUSR_CFLAGS) -I$(ROOTINCDIR)
+AM_CXXFLAGS = $(LOCAL_LIB_CXXFLAGS)
+
+BUILT_SOURCES = $(dict_cpp_sources) $(dict_h_sources)
+AM_LDFLAGS = $(LOCAL_LIB_LDFLAGS) -L@ROOTLIBDIR@
+CLEANFILES = *Dict.cpp *Dict.h *~ core
+
+%Dict.cpp %Dict.h: %.h %LinkDef.h
+	@ROOTCINT@ -v -f $*Dict.cpp -c -p $(AM_CPPFLAGS) $^
+
+lib_LTLIBRARIES = libBNMR.la
+
+libBNMR_la_SOURCES = $(h_sources) $(cpp_sources) $(dict_h_sources) $(dict_cpp_sources)
+libBNMR_la_LIBADD = $(ROOT_LIBS)
+libBNMR_la_LDFLAGS = -version-info $(PLUGIN_LIBRARY_VERSION) -release $(PLUGIN_RELEASE) $(AM_LDFLAGS)
+
+## However, create some symbolic links to the shared library
+## in order to unify the function call on different operating systems
+
+if IS_DARWIN
+install-exec-hook:
+	$(LN_S) -f $(libdir)/libBNMR.dylib $(libdir)/libBNMR.so
+uninstall-hook:
+	rm -f $(libdir)/libBNMR.so
+endif
+
+if IS_CYGWIN
+install-exec-hook:
+	$(LN_S) -f $(bindir)/cygBNMR-$(PLUGIN_MAJOR_VERSION)-$(PLUGIN_MINOR_VERSION)-$(PLUGIN_MAJOR_VERSION).dll $(libdir)/libBNMR.so
+uninstall-hook:
+	rm -f $(libdir)/libBNMR.so
+endif