diff --git a/libsrc2/m2util.c b/libsrc2/m2util.c
index 31bfccc5..f9f619e2 100644
--- a/libsrc2/m2util.c
+++ b/libsrc2/m2util.c
@@ -2209,7 +2209,7 @@ scaled_maximal_pivoting_gaussian_elimination_real ( int n,
 
 /** Computes the inverse of a square matrix.
 */
-static int
+int
 invert_4x4_matrix ( double matrix[4][4], /**< Input matrix */
                     double inverse[4][4] ) /**< Output (inverted) matrix */
 {
diff --git a/libsrc2/minc2_private.h b/libsrc2/minc2_private.h
index 4807b054..8c31a970 100644
--- a/libsrc2/minc2_private.h
+++ b/libsrc2/minc2_private.h
@@ -170,6 +170,7 @@ int minc_update_thumbnail(mihandle_t volume, hid_t loc_id, int igrp, int ogrp);
 
 int minc_update_thumbnails(mihandle_t volume);
 
+
 int scaled_maximal_pivoting_gaussian_elimination(int   n,
                                                   int   row[],
                                                   double **a,
diff --git a/testdir/CMakeLists.txt b/testdir/CMakeLists.txt
index 66804d0e..01b0eea1 100644
--- a/testdir/CMakeLists.txt
+++ b/testdir/CMakeLists.txt
@@ -1,4 +1,5 @@
 LINK_LIBRARIES(${LIBMINC_LIBRARIES})
+find_program (SH_PROGRAM sh)
 
 
 MACRO(minc_test cmd)