diff --git a/fftw3.changes b/fftw3.changes
index 76631f7..1ac7b95 100644
--- a/fftw3.changes
+++ b/fftw3.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Mar 16 01:17:58 UTC 2012 - alinm.elena@gmail.com
+
+- source the mpi environment  
+
 -------------------------------------------------------------------
 Tue Mar  6 14:16:22 UTC 2012 - dhall@wustl.edu
 
diff --git a/fftw3.spec b/fftw3.spec
index b99a2fc..724d472 100644
--- a/fftw3.spec
+++ b/fftw3.spec
@@ -16,7 +16,6 @@
 #
 
 
-
 Name:           fftw3
 BuildRequires:  fdupes
 BuildRequires:  gcc-fortran
@@ -26,10 +25,10 @@ BuildRequires:  openmpi-devel
 %endif
 Version:        3.3.1
 Release:        0
-License:        GPL-2.0+
 Summary:        Discrete Fourier Transform (DFT) C Subroutine Library
-Url:            http://www.fftw.org
+License:        GPL-2.0+
 Group:          Productivity/Scientific/Math
+Url:            http://www.fftw.org
 Source:         http://www.fftw.org/fftw-%{version}.tar.gz
 Source1:        %{name}-rpmlintrc
 Patch0:         1_man_macro.patch
@@ -44,8 +43,8 @@ data, and of arbitrary input size.
 %package devel
 Summary:        Include Files and Libraries mandatory for Development
 Group:          Development/Libraries/C and C++
-Requires:       libfftw3-3 = %{version}-%{release}
 Requires:       glibc-devel
+Requires:       libfftw3-3 = %{version}-%{release}
 Provides:       fftw-devel
 
 %description devel
@@ -150,6 +149,9 @@ data, and of arbitrary input size.
 %patch0
 
 %build
+%ifnarch s390 s390x %arm
+source %_libdir/mpi/gcc/openmpi/bin/mpivars.sh
+%endif
 %configure --enable-shared --enable-threads --enable-openmp \
 %ifnarch s390 s390x %arm
   --enable-mpi \
@@ -171,6 +173,10 @@ rm -f %{buildroot}%{_libdir}/lib*.*a
 
 # hack to also compile/install single-precision version:
 make distclean
+
+%ifnarch s390 s390x %arm
+source %_libdir/mpi/gcc/openmpi/bin/mpivars.sh
+%endif
 %configure --enable-shared --enable-threads --enable-float --enable-openmp \
 %ifnarch s390 s390x %arm
   --enable-mpi \