1 files changed, 17 insertions, 10 deletions

diff --git a/configure b/configure
index 790d083..ad02e54 100755
--- a/configure
+++ b/configure
@@ -1227,29 +1227,36 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 GEM2PDP_VERSION=0.6
 
-if test -f /usr/local/pd; then
+if test -d /usr/local/pd;
+then
 	PD_DIR=/usr/local/pd
-elif test -f ../../pd; then
+elif test -d ../../pd;
+then
 	PD_DIR=../../pd
-elif
+else
    echo "Pd sources not found"
 fi
 
-if test -f /usr/local/pd/pdp; then
+if test -d /usr/local/pd/pdp;
+then
 	PDP_DIR=/usr/local/pd/pdp
-elif test -f ../pdp; then
+elif test -d ../pdp;
+then
 	PDP_DIR=../pdp
-elif
+else
    echo "PdP sources not found"
 fi
 
-if test -f /usr/local/pd/gem; then
+if test -d /usr/local/pd/gem;
+then
    GEM_DIR=/usr/local/pd/gem
-elif test -f ../../Gem; then
+elif test -d ../../Gem;
+then
 	GEM_DIR=../../Gem
-elif  test -f ../gem/Gem; then
+elif  test -d ../gem/Gem;
+then
 	GEM_DIR=../gem/Gem
-elif
+else
    echo "Gem sources not found"
 fi