diff --git a/makeCGAL b/makeCGAL
index 480015c..032928e 100755
--- a/makeCGAL
+++ b/makeCGAL
@@ -34,13 +34,13 @@
 if [ "$1" = "-test" ]
 then
     [ "$#" -eq 3 ] || { echo "${0##*/} -test : needs 2 argument"; exit 1; }
-    dir="$2" # <- CGAL_ARCH_PATH
+    dir="${2%/}" # <- CGAL_ARCH_PATH
     if [ -d "$dir/include" -a -r "$dir/lib$WM_COMPILER_LIB_ARCH/libCGAL$EXT_SO" ]
     then
         echo "    CGAL  include: $dir/include"
         echo "    CGAL  library: $dir/lib$WM_COMPILER_LIB_ARCH"
         # Additional information about boost
-        dir="$3" # <- BOOST_ARCH_PATH
+        dir="${3%/}" # <- BOOST_ARCH_PATH
         for root in "$dir" /usr
         do
             if [ -d "$root/include/boost" \
diff --git a/makeFFTW b/makeFFTW
index a86473f..eb092b7 100755
--- a/makeFFTW
+++ b/makeFFTW
@@ -26,7 +26,7 @@
 if [ "$1" = "-test" ]
 then
     [ "$#" -eq 2 ] || { echo "${0##*/} -test : needs 1 argument"; exit 1; }
-    dir="$2" # <- FFTW_ARCH_PATH
+    dir="${2%/}" # <- FFTW_ARCH_PATH
     if [ -d "$dir/include" -a -r "$dir/lib$WM_COMPILER_LIB_ARCH/libfftw3$EXT_SO" ]
     then
         echo "    fftw include: $dir/include"
diff --git a/makeHYPRE b/makeHYPRE
index b219952..28f2917 100755
--- a/makeHYPRE
+++ b/makeHYPRE
@@ -26,7 +26,7 @@
 if [ "$1" = "-test" ]
 then
     [ "$#" -eq 2 ] || { echo "${0##*/} -test : needs 1 argument"; exit 1; }
-    dir="$2" # <- HYPRE_ARCH_PATH
+    dir="${2%/}" # <- HYPRE_ARCH_PATH
     if [ -d "$dir/include" ]
     then
         for lib in \
diff --git a/makeKAHIP b/makeKAHIP
index b984a80..b402fe9 100755
--- a/makeKAHIP
+++ b/makeKAHIP
@@ -26,7 +26,7 @@
 if [ "$1" = "-test" ]
 then
     [ "$#" -eq 2 ] || { echo "${0##*/} -test : needs 1 argument"; exit 1; }
-    dir="$2" # <- KAHIP_ARCH_PATH
+    dir="${2%/}" # <- KAHIP_ARCH_PATH
     if [ -d "$dir/include" ]
     then
         for lib in \
diff --git a/makeMETIS b/makeMETIS
index f24ae29..b755d9a 100755
--- a/makeMETIS
+++ b/makeMETIS
@@ -26,7 +26,7 @@
 if [ "$1" = "-test" ]
 then
     [ "$#" -eq 2 ] || { echo "${0##*/} -test : needs 1 argument"; exit 1; }
-    dir="$2" # <- METIS_ARCH_PATH
+    dir="${2%/}" # <- METIS_ARCH_PATH
     if [ -d "$dir/include" ]
     then
         for lib in \
diff --git a/makeMPICH b/makeMPICH
index 494316d..ade55fe 100755
--- a/makeMPICH
+++ b/makeMPICH
@@ -26,7 +26,7 @@
 if [ "$1" = "-test" ]
 then
     [ "$#" -eq 2 ] || { echo "${0##*/} -test : needs 1 argument"; exit 1; }
-    dir="$2" # <- MPI_ARCH_PATH
+    dir="${2%/}" # <- MPI_ARCH_PATH
     if [ -r "$dir/lib$WM_COMPILER_LIB_ARCH/libmpi$EXT_SO" ]
     then
         echo "Have mpich shared library (${dir##*/})"
diff --git a/makeMVAPICH b/makeMVAPICH
index c148935..8cb3e05 100755
--- a/makeMVAPICH
+++ b/makeMVAPICH
@@ -26,7 +26,7 @@
 if [ "$1" = "-test" ]
 then
     [ "$#" -eq 2 ] || { echo "${0##*/} -test : needs 1 argument"; exit 1; }
-    dir="$2" # <- MPI_ARCH_PATH
+    dir="${2%/}" # <- MPI_ARCH_PATH
     if [ -r "$dir/lib$WM_COMPILER_LIB_ARCH/libmpi$EXT_SO" ]
     then
         echo "Have mpich shared library (${dir##*/})"
diff --git a/makeOPENMPI b/makeOPENMPI
index 06ff528..88e5982 100755
--- a/makeOPENMPI
+++ b/makeOPENMPI
@@ -26,7 +26,7 @@
 if [ "$1" = "-test" ]
 then
     [ "$#" -eq 2 ] || { echo "${0##*/} -test : needs 1 argument"; exit 1; }
-    dir="$2" # <- MPI_ARCH_PATH
+    dir="${2%/}" # <- MPI_ARCH_PATH
     if [ -r "$dir/lib$WM_COMPILER_LIB_ARCH/libmpi$EXT_SO" ]
     then
         echo "    Have openmpi shared library (${dir##*/})"
diff --git a/makePETSC b/makePETSC
index 6d4b574..06661b2 100755
--- a/makePETSC
+++ b/makePETSC
@@ -26,7 +26,7 @@
 if [ "$1" = "-test" ]
 then
     [ "$#" -eq 2 ] || { echo "${0##*/} -test : needs 1 argument"; exit 1; }
-    dir="$2" # <- PETSC_ARCH_PATH
+    dir="${2%/}" # <- PETSC_ARCH_PATH
     if [ -d "$dir/include" ]
     then
         for lib in \