From 8793f180d6aee6c46a4102cab30b9eb64aa87805 Mon Sep 17 00:00:00 2001
From: eschnett <eschnett@5c1b1641-b641-47ec-b3d9-0f93d4c445ee>
Date: Wed, 24 Oct 2012 20:59:34 +0000
Subject: Don't use OpenMP options unless OpenMP is enabled for the build

git-svn-id: http://svn.cactuscode.org/projects/ExternalLibraries/LORENE/trunk@39 5c1b1641-b641-47ec-b3d9-0f93d4c445ee
---
 configure.sh | 45 +++++++++++++++++++++++++++++++--------------
 1 file changed, 31 insertions(+), 14 deletions(-)

diff --git a/configure.sh b/configure.sh
index 59335a1..7e0bcad 100644
--- a/configure.sh
+++ b/configure.sh
@@ -80,8 +80,25 @@ then
         if echo '' ${ARFLAGS} | grep 64 > /dev/null 2>&1; then
             export OBJECT_MODE=64
         fi
+
+        #######################################################################
+        # determine OPENMP_MODE from the OPENMP option
+        # if this option isn't set, then OPENMP_MODE will default to 'no'
+        OPENMP_MODE='no'
+        if test -n "${OPENMP}"; then
+            
+            OPENMP=`echo ${OPENMP} | tr '[:upper:]' '[:lower:]'`
+            
+            if test "${OPENMP}" != 'yes' -a "${OPENMP}" != 'no'; then
+                echo 'BEGIN ERROR'
+                echo "configure: error: Didn't recognize setting of OPENMP=\"$OPENMP\" (should be either \"yes\" or \"no\")"
+                echo 'END ERROR'
+                exit 1
+            fi
+            OPENMP_MODE="${OPENMP}"
+        fi
         
-        echo "HDF5: Preparing directory structure..."
+        echo "LORENE: Preparing directory structure..."
         mkdir build external done 2> /dev/null || true
         rm -rf ${BUILD_DIR} ${INSTALL_DIR}
         mkdir ${BUILD_DIR} ${INSTALL_DIR}
@@ -99,12 +116,12 @@ then
         # exit code. So we use this patch to test for this
         ${PATCH?} -p0 < ${SRCDIR}/dist/patchtest.patch
         if [ ! -e Lorene/.patch_tmp ]; then
-          echo 'BEGIN ERROR'
-          echo 'The version of patch is too old to understand this patch format.'
-          echo 'Please set the PATCH environment variable to a more recent '
-          echo 'version of the patch command.'
-          echo 'END ERROR'
-          exit 1
+            echo 'BEGIN ERROR'
+            echo 'The version of patch is too old to understand this patch format.'
+            echo 'Please set the PATCH environment variable to a more recent '
+            echo 'version of the patch command.'
+            echo 'END ERROR'
+            exit 1
         fi
         rm -f Lorene/.patch_tmp
         # Prevent overly long lines
@@ -127,11 +144,11 @@ then
         export HOME_LORENE=${BUILD_DIR}/${NAME}
         cat > local_settings <<EOF
 CXX = ${CXX}
-CXXFLAGS = ${CXXFLAGS} ${CPPFLAGS} ${CPP_OPENMP_FLAGS}
-CXXFLAGS_G = ${CXXFLAGS} ${CPPFLAGS}
+CXXFLAGS = ${CXXFLAGS} ${CPPFLAGS} $(test x${OPENMP_MODE} = xyes && echo ${CXX_OPENMP_FLAGS} ${CPP_OPENMP_FLAGS})
+CXXFLAGS_G = ${CXXFLAGS} ${CPPFLAGS} $(test x${OPENMP_MODE} = xyes && echo ${CXX_OPENMP_FLAGS} ${CPP_OPENMP_FLAGS})
 F77 = ${F77}
-F77FLAGS = ${F77FLAGS} ${FIXEDF77FLAGS}
-F77FLAGS_G = ${F77FLAGS} ${FIXEDF77FLAGS}
+F77FLAGS = ${F77FLAGS} ${FIXEDF77FLAGS} $(test x${OPENMP_MODE} = xyes && echo ${F77_OPENMP_FLAGS})
+F77FLAGS_G = ${F77FLAGS} ${FIXEDF77FLAGS} $(test x${OPENMP_MODE} = xyes && echo ${F77_OPENMP_FLAGS})
 INC = -I\$(HOME_LORENE)/C++/Include -I\$(HOME_LORENE)/C++/Include_extra \$(addprefix -I,${GSL_INC_DIRS})
 RANLIB = ${RANLIB}
 # We don't need dependencies since we always build from scratch
@@ -154,7 +171,7 @@ EOF
         # (since we specified identical build options above), and we
         # ignore the "debug" version.
         ${MAKE} cpp fortran export
-
+        
         echo "LORENE: Installing..."
         mv ${BUILD_DIR}/${NAME}/Lib                ${INSTALL_DIR}
         mkdir ${INSTALL_DIR}/C++
@@ -163,10 +180,10 @@ EOF
         mkdir ${INSTALL_DIR}/Export/C++
         mv ${BUILD_DIR}/${NAME}/Export/C++/Include ${INSTALL_DIR}/Export/C++
         popd
-
+        
         echo "LORENE: Cleaning up..."
         rm -rf ${BUILD_DIR}
-
+        
         date > ${DONE_FILE}
         echo "LORENE: Done."
         
-- 
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