Fix for bugs in build.sh

* don't remove BUILDDIR when called with --clean from wrong directory
* set SCRIPTNAME before displaying it

1 files changed, 9 insertions, 8 deletions

diff --git a/build.sh b/build.sh
index 7a515e4..fdd8b44 100755
--- a/build.sh
+++ b/build.sh
@@ -8,6 +8,15 @@ BUILDDIR="build"
 
 DIR=$(pwd)
 
+SCRIPTNAME=$(basename "$0" 2>/dev/null || echo "$0")
+
+if [[ ! -f "$DIR"/"$SRCDIR"/CMakeLists.txt ]]
+then
+  echo "$SRCDIR/CMakeLists.txt not found" >&2
+  echo "please run '$SCRIPTNAME' from its containing directory" >&2
+  exit 1
+fi
+
 for OPTION in "$@"
 do
   if [[ "$OPTION" == "--clean" ]]
@@ -22,14 +31,6 @@ do
   fi
 done
 
-if [[ ! -f "$DIR"/"$SRCDIR"/CMakeLists.txt ]]
-then
-  echo "$SRCDIR/CMakeLists.txt not found" >&2
-  SCRIPTNAME=$(basename "$0" 2>/dev/null || echo "$0")
-  echo "please run '$SCRIPTNAME' from its containing directory" >&2
-  exit 1
-fi
-
 # note: NCORES may be too large on systems with hyperthreading
 NCORES=$(grep -c "^processor" /proc/cpuinfo 2>/dev/null)
 if [[ ! $NCORES -ge 1 ]]