From 2997381434de88fcf22b16b9bd4dc6500563ad87 Mon Sep 17 00:00:00 2001
From: eschnett <eschnett@5c1b1641-b641-47ec-b3d9-0f93d4c445ee>
Date: Sun, 6 Jun 2010 16:43:13 +0000
Subject: Use existing Lorene installation if one exists

git-svn-id: http://svn.cactuscode.org/projects/ExternalLibraries/LORENE/trunk@13 5c1b1641-b641-47ec-b3d9-0f93d4c445ee
---
 LORENE.sh | 50 +++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 37 insertions(+), 13 deletions(-)

diff --git a/LORENE.sh b/LORENE.sh
index eac2f94..b405e14 100644
--- a/LORENE.sh
+++ b/LORENE.sh
@@ -8,14 +8,21 @@
 set -x                          # Output commands
 set -e                          # Abort on errors
 
-# Set locations
-NAME=Lorene
-SRCDIR=$(dirname $0)
-INSTALL_DIR=${SCRATCH_BUILD}
-LORENE_DIR=${INSTALL_DIR}/build-${NAME}/${NAME}
 
-# Clean up environment
-unset LIBS
+
+################################################################################
+# Search
+################################################################################
+
+if [ -z "${LORENE_DIR}" ]; then
+    echo "BEGIN MESSAGE"
+    echo "LORENE selected, but LORENE_DIR not set."
+    echo "END MESSAGE"
+else
+    echo "BEGIN MESSAGE"
+    echo "Using LORENE in ${LORENE_DIR}"
+    echo "END MESSAGE"
+fi
 
 
 
@@ -23,6 +30,21 @@ unset LIBS
 # Build
 ################################################################################
 
+if [ -z "${LORENE_DIR}" ]; then
+    echo "BEGIN MESSAGE"
+    echo "Building LORENE..."
+    echo "END MESSAGE"
+    
+    # Set locations
+    NAME=Lorene
+    SRCDIR=$(dirname $0)
+    INSTALL_DIR=${SCRATCH_BUILD}
+    LORENE_DIR=${INSTALL_DIR}/build-${NAME}/${NAME}
+    
+    # Clean up environment
+    unset LIBS
+    unset MAKEFLAGS
+    
 (
     exec >&2                    # Redirect stdout to stderr
     set -x                      # Output commands
@@ -101,12 +123,14 @@ EOF
         echo "LORENE: Done."
     fi
 )
-
-if (( $? )); then
-    echo 'BEGIN ERROR'
-    echo 'Error while building LORENE.  Aborting.'
-    echo 'END ERROR'
-    exit 1
+    
+    if (( $? )); then
+        echo 'BEGIN ERROR'
+        echo 'Error while building LORENE.  Aborting.'
+        echo 'END ERROR'
+        exit 1
+    fi
+    
 fi
 
 
-- 
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