From 8a7bf5d33d7ec98366bb906ffc34d20485904c1c Mon Sep 17 00:00:00 2001
From: eschnett <eschnett@9e23cc15-e5c8-4d65-9080-beda90ea645b>
Date: Thu, 15 Dec 2011 16:39:58 +0000
Subject: Make output less verbose

git-svn-id: http://svn.cactuscode.org/projects/ExternalLibraries/GSL/trunk@25 9e23cc15-e5c8-4d65-9080-beda90ea645b
---
 GSL.sh | 57 ++++++++++++++++++++++++++++++++-------------------------
 1 file changed, 32 insertions(+), 25 deletions(-)

diff --git a/GSL.sh b/GSL.sh
index e19d415..0354017 100644
--- a/GSL.sh
+++ b/GSL.sh
@@ -5,7 +5,9 @@
 ################################################################################
 
 # Set up shell
-set -x                          # Output commands
+if [ "$(echo ${VERBOSE} | tr '[:upper:]' '[:lower:]')" = 'yes' ]; then
+    set -x                      # Output commands
+fi
 set -e                          # Abort on errors
 
 
@@ -16,7 +18,7 @@ set -e                          # Abort on errors
 
 if [ -z "${GSL_DIR}" ]; then
     echo "BEGIN MESSAGE"
-    echo "GSL selected, but GSL_DIR not set.  Checking some places..."
+    echo "GSL selected, but GSL_DIR not set. Checking some places..."
     echo "END MESSAGE"
     
     FILES="include/gsl/gsl_math.h"
@@ -55,7 +57,7 @@ if [ -z "${GSL_DIR}"                                            \
      -o "$(echo "${GSL_DIR}" | tr '[a-z]' '[A-Z]')" = 'BUILD' ]
 then
     echo "BEGIN MESSAGE"
-    echo "Building GSL..."
+    echo "Using bundled GSL..."
     echo "END MESSAGE"
     
     # Set locations
@@ -64,30 +66,35 @@ then
     SRCDIR=$(dirname $0)
     BUILD_DIR=${SCRATCH_BUILD}/build/${THORN}
     if [ -z "${GSL_INSTALL_DIR}" ]; then
-        echo "BEGIN MESSAGE"
-        echo "GSL install directory, GSL_INSTALL_DIR, not set. Installing in the default configuration location. "
-        echo "END MESSAGE"
-     INSTALL_DIR=${SCRATCH_BUILD}/external/${THORN}
+        INSTALL_DIR=${SCRATCH_BUILD}/external/${THORN}
     else
         echo "BEGIN MESSAGE"
-        echo "GSL install directory, GSL_INSTALL_DIR, selected. Installing GSL at ${GSL_INSTALL_DIR} "
+        echo "Installing GSL into ${GSL_INSTALL_DIR} "
         echo "END MESSAGE"
-     INSTALL_DIR=${GSL_INSTALL_DIR}
+        INSTALL_DIR=${GSL_INSTALL_DIR}
     fi
     DONE_FILE=${SCRATCH_BUILD}/done/${THORN}
     GSL_DIR=${INSTALL_DIR}
     
-(
-    exec >&2                    # Redirect stdout to stderr
-    set -x                      # Output commands
-    set -e                      # Abort on errors
-    cd ${SCRATCH_BUILD}
     if [ -e ${DONE_FILE} -a ${DONE_FILE} -nt ${SRCDIR}/dist/${NAME}.tar.gz \
                          -a ${DONE_FILE} -nt ${SRCDIR}/GSL.sh ]
     then
-        echo "GSL: The enclosed GSL library has already been built; doing nothing"
+        echo "BEGIN MESSAGE"
+        echo "GSL has already been built; doing nothing"
+        echo "END MESSAGE"
     else
-        echo "GSL: Building enclosed GSL library"
+        echo "BEGIN MESSAGE"
+        echo "Building GSL"
+        echo "END MESSAGE"
+        
+        # Build in a subshell
+        (
+        exec >&2                    # Redirect stdout to stderr
+        if [ "$(echo ${VERBOSE} | tr '[:upper:]' '[:lower:]')" = 'yes' ]; then
+            set -x                  # Output commands
+        fi
+        set -e                      # Abort on errors
+        cd ${SCRATCH_BUILD}
         
         # Set up environment
         unset LIBS
@@ -120,16 +127,16 @@ then
         
         date > ${DONE_FILE}
         echo "GSL: Done."
+        
+        )
+        if (( $? )); then
+            echo 'BEGIN ERROR'
+            echo 'Error while building GSL. Aborting.'
+            echo 'END ERROR'
+            exit 1
+        fi
     fi
-)
-
-    if (( $? )); then
-        echo 'BEGIN ERROR'
-        echo 'Error while building GSL. Aborting.'
-        echo 'END ERROR'
-        exit 1
-    fi
-
+    
 fi
 
 
-- 
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