diff --git a/Jenkinsfile b/Jenkinsfile
deleted file mode 100644
index b2969ff3d98915f34d9f32ee848ca52b268860f8..0000000000000000000000000000000000000000
--- a/Jenkinsfile
+++ /dev/null
@@ -1,53 +0,0 @@
-#!groovy
-
-parallel (
-
-
-"nyu" : {node ('gin')
-                  {
-                    deleteDir()
-                    checkout scm
-                    stage ('build_gin')
-                    {
-                      sh "./build.sh $WORKSPACE $NODE_NAME"
-                    }
-
-                    stage ('run_gin')
-                    {
-		      parallel (
-                      "1" : {sh "cd openfpm_numerics && ./run.sh $WORKSPACE $NODE_NAME 1"},
-                      "2" : {sh "cd openfpm_numerics && ./run.sh $WORKSPACE $NODE_NAME 2"},
-                      "3" : {sh "cd openfpm_numerics && ./run.sh $WORKSPACE $NODE_NAME 3"},
-                      "4" : {sh "cd openfpm_numerics && ./run.sh $WORKSPACE $NODE_NAME 4"}
-                      )
-                    }
-                  }
-                 },
-
-
-
-
-"sb15" : {node ('sbalzarini-mac-15')
-                  {
-                    deleteDir()
-                    env.PATH = "/usr/local/bin:${env.PATH}"
-                    checkout scm
-                    stage ('build_sb15')
-                    {
-                      sh "./build.sh $WORKSPACE $NODE_NAME NO"
-                    }
-
-                    stage ('run_sb15')
-                    {
-                      parallel (
-                      "1" : {sh "cd openfpm_vcluster && ./run.sh $WORKSPACE $NODE_NAME 1"},
-                      "2" : {sh "cd openfpm_vcluster && ./run.sh $WORKSPACE $NODE_NAME 2"},
-                      "3" : {sh "cd openfpm_vcluster && ./run.sh $WORKSPACE $NODE_NAME 3"},
-                      "4" : {sh "cd openfpm_vcluster && ./run.sh $WORKSPACE $NODE_NAME 4"}
-                      )
-                    }
-                  }
-                 }
-
-)
-
diff --git a/m4/ax_petsc_lib.m4 b/m4/ax_petsc_lib.m4
index ed14c831b4e230d19b4bd7c9b80b37fa7dd7a098..1bd159091052c10c40e9e9317a4cca0ec579c4ec 100755
--- a/m4/ax_petsc_lib.m4
+++ b/m4/ax_petsc_lib.m4
@@ -102,8 +102,10 @@ AC_DEFUN([AX_LIB_PETSC], [
                         old_CC=$CC
                         old_CFLAGS=$CFLAGS
                         old_LDFLAGS=$LDFLAGS
-                        CFLAGS="-I$with_petsc/include $HDF5_INCLUDE $METIS_INCLUDE "
-                        LDFLAGS="-L$with_petsc/lib $HDF5_LDFLAGS  $HDF5_LIBS $METIS_LIB -lmetis "
+			AX_OPENMP([CFLAGS="$OPENMP_CFLAGS"
+				   LDFLAGS="$OPENMP_LDFLAGS"],[])
+                        CFLAGS="$CFLAGS -I$with_petsc/include $HDF5_INCLUDE $METIS_INCLUDE "
+                        LDFLAGS="$LDFLAGS -L$with_petsc/lib $HDF5_LDFLAGS  $HDF5_LIBS $METIS_LIB -lmetis "
 			CC=$CXX
 
                         AC_LANG_SAVE