smpicxx: obey the VERBOSE environment variable and display what we do

diff --git a/src/smpi/smpicxx.in b/src/smpi/smpicxx.in
index 2822fdb..b8d6d40 100755 (executable)
--- a/src/smpi/smpicxx.in
+++ b/src/smpi/smpicxx.in
@@ -33,7 +33,7 @@ else
 fi
 
 # By default, we execute the commands instead of only showing them to cmake
-Show=
+show=
 
 list_set CMDARGS
 while [ $# -gt 0 ]; do
@@ -65,7 +65,7 @@ while [ $# -gt 0 ]; do
             ;;
        '-show'|'-compile-info'|'-link-info')
             # Dry run displaying commands instead of executing them. Useful to cmake
-           Show=echo
+           show=1
            ;;
         *)
             list_add CMDARGS "${ARG}"
@@ -81,4 +81,8 @@ list_add_not_empty CMDLINE "${CMDARGS}"
 list_add_not_empty CMDLINE "${LINKARGS}"
 
 eval $(list_get CMDLINE)
-$Show "$@"
+if [ "x$VERBOSE" = x1 -o "x$show" = x1 ] ; then
+  echo "$@"
+  [ "x$show" = x1 ] && exit 0
+fi
+"$@"