diff --git a/libsharp/sharp_announce.c b/libsharp/sharp_announce.c
new file mode 100644
index 0000000..bc6ee50
--- /dev/null
+++ b/libsharp/sharp_announce.c
@@ -0,0 +1,98 @@
+/*
+ *  This file is part of libc_utils.
+ *
+ *  libc_utils is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  libc_utils 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with libc_utils; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+/*
+ *  libc_utils is being developed at the Max-Planck-Institut fuer Astrophysik
+ *  and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
+ *  (DLR).
+ */
+
+/*! \file sharp_announce.c
+ *  Banner for module startup
+ *
+ *  Copyright (C) 2012 Max-Planck-Society
+ *  \author Martin Reinecke
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#ifdef _OPENMP
+#include <omp.h>
+#endif
+#ifdef USE_MPI
+#include <mpi.h>
+#endif
+
+#include "sharp_announce.h"
+#include "sharp_vecutil.h"
+
+static void OpenMP_status(void)
+  {
+#ifndef _OPENMP
+  printf("OpenMP: not supported by this binary\n");
+#else
+  int threads = omp_get_max_threads();
+  if (threads>1)
+    printf("OpenMP active: max. %d threads.\n",threads);
+  else
+    printf("OpenMP active, but running with 1 thread only.\n");
+#endif
+  }
+
+static void MPI_status(void)
+  {
+#ifndef USE_MPI
+  printf("MPI: not supported by this binary\n");
+#else
+  int tasks;
+  MPI_Comm_size(MPI_COMM_WORLD,&tasks);
+  if (tasks>1)
+    printf("MPI active with %d tasks.\n",tasks);
+  else
+    printf("MPI active, but running with 1 task only.\n");
+#endif
+  }
+
+static void vecmath_status(void)
+  { printf("Supported vector length: %d\n",VLEN); }
+
+void sharp_announce (const char *name)
+  {
+  size_t m, nlen=strlen(name);
+  printf("\n+-");
+  for (m=0; m<nlen; ++m) printf("-");
+  printf("-+\n");
+  printf("| %s |\n", name);
+  printf("+-");
+  for (m=0; m<nlen; ++m) printf("-");
+  printf("-+\n\n");
+  vecmath_status();
+  OpenMP_status();
+  MPI_status();
+  printf("\n");
+  }
+
+void sharp_module_startup (const char *name, int argc, int argc_expected,
+  const char *argv_expected, int verbose)
+  {
+  if (verbose) sharp_announce (name);
+  if (argc==argc_expected) return;
+  if (verbose) fprintf(stderr, "Usage: %s %s\n", name, argv_expected);
+  exit(1);
+  }
diff --git a/libsharp/sharp_announce.h b/libsharp/sharp_announce.h
new file mode 100644
index 0000000..e446d37
--- /dev/null
+++ b/libsharp/sharp_announce.h
@@ -0,0 +1,39 @@
+/*
+ *  This file is part of libc_utils.
+ *
+ *  libc_utils is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  libc_utils 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with libc_utils; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+/*
+ *  libc_utils is being developed at the Max-Planck-Institut fuer Astrophysik
+ *  and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
+ *  (DLR).
+ */
+
+/*! \file sharp_announce.h
+ *  Banner for module startup
+ *
+ *  Copyright (C) 2012 Max-Planck-Society
+ *  \author Martin Reinecke
+ */
+
+#ifndef SHARP_ANNOUNCE_H
+#define SHARP_ANNOUNCE_H
+
+void sharp_announce (const char *name);
+void sharp_module_startup (const char *name, int argc, int argc_expected,
+  const char *argv_expected, int verbose);
+
+#endif
diff --git a/libsharp/complex_hacks.h b/libsharp/sharp_complex_hacks.h
similarity index 100%
rename from libsharp/complex_hacks.h
rename to libsharp/sharp_complex_hacks.h
diff --git a/libsharp/vecsupport.h b/libsharp/sharp_vecsupport.h
similarity index 100%
rename from libsharp/vecsupport.h
rename to libsharp/sharp_vecsupport.h
diff --git a/c_utils/vec_utils.h b/libsharp/sharp_vecutil.h
similarity index 100%
rename from c_utils/vec_utils.h
rename to libsharp/sharp_vecutil.h
diff --git a/libsharp/ylmgen_c.c b/libsharp/sharp_ylmgen_c.c
similarity index 100%
rename from libsharp/ylmgen_c.c
rename to libsharp/sharp_ylmgen_c.c
diff --git a/libsharp/ylmgen_c.h b/libsharp/sharp_ylmgen_c.h
similarity index 100%
rename from libsharp/ylmgen_c.h
rename to libsharp/sharp_ylmgen_c.h