From fefc1c326c0cbdff5873562fb102f9731d1fc4a1 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Uwe=20K=C3=B6cher?= <koecher@hsu-hamburg.de>
Date: Thu, 29 Oct 2015 09:11:02 +0100
Subject: [PATCH] deal.II: trilinos: set up compilers safely, if $CC, $CXX
 and/or $FC are present

---
 deal.II/packages/trilinos.package | 91 ++++++++++++++++++++-----------
 1 file changed, 60 insertions(+), 31 deletions(-)

diff --git a/deal.II/packages/trilinos.package b/deal.II/packages/trilinos.package
index 93c519a..2e8ac0d 100644
--- a/deal.II/packages/trilinos.package
+++ b/deal.II/packages/trilinos.package
@@ -1,16 +1,16 @@
 if [ ${TRILINOS_MAJOR_VERSION} = "AUTO" ] || [ ${TRILINOS_MAJOR_VERSION} = "12" ]; then
-  SOURCE=http://trilinos.csbsju.edu/download/files/
-  VERSION=12.2.1
-  CHECKSUM=760f14cbce482b4b9a41d1c18297b531
+    SOURCE=http://trilinos.csbsju.edu/download/files/
+    VERSION=12.2.1
+    CHECKSUM=760f14cbce482b4b9a41d1c18297b531
 
 elif [ ${TRILINOS_MAJOR_VERSION} = "11" ]; then
-  SOURCE=https://trilinos.org/oldsite/download/files/
-  VERSION=11.14.3
-  CHECKSUM=b6e5d6b71f6e554de220aeda51794ffb
+    SOURCE=https://trilinos.org/oldsite/download/files/
+    VERSION=11.14.3
+    CHECKSUM=b6e5d6b71f6e554de220aeda51794ffb
 
 else
-  cecho ${BAD} "Unknown Trilinos version ${TRILINOS_MAJOR_VERSION} forced, please use AUTO|12|11."
-  exit
+    cecho ${BAD} "Unknown Trilinos version ${TRILINOS_MAJOR_VERSION} forced, please use AUTO|12|11."
+    exit
 fi
 
 NAME=trilinos-${VERSION}-Source
@@ -19,37 +19,71 @@ DOWNLOADER=curl
 BUILDCHAIN=cmake
 
 #########################################################################
+# If you have further options for trilinos, please set:
+#TRILINOS_CONFOPTS=""
 
+#########################################################################
+# Please do not change the following options
+
+# Set blas and lapack directories
 if [ ! -z "${BLAS_DIR}" ]; then
-    TRILINOS_CONFOPTS="${TRILINOS_CONFOPTS} \
-                       -D BLAS_LIBRARY_DIRS:STRING=${BLAS_DIR} \
-                      "
+    CONFOPTS="\
+        ${CONFOPTS} \
+        -D BLAS_LIBRARY_DIRS:STRING=${BLAS_DIR}"
 fi
 
 if [ ! -z "${LAPACK_DIR}" ]; then
-    TRILINOS_CONFOPTS="${TRILINOS_CONFOPTS} \
-                       -D LAPACK_LIBRARY_DIRS:STRING=${LAPACK_DIR} \
-                      "
+    CONFOPTS="
+        ${CONFOPTS} \
+        -D LAPACK_LIBRARY_DIRS:STRING=${LAPACK_DIR}"
 fi
 
+# Set intel MKL options
 if [ ${MKL} = "ON" ]; then
-  if [ -z "${BLAS_DIR}" ] && [ -z "${LAPACK_DIR}" ]; then 
-    TRILINOS_CONFOPTS=" \
-    ${TRILINOS_CONFOPTS} \
-    -D BLAS_LIBRARY_DIRS:STRING=${MKL_DIR} \
-    -D LAPACK_LIBRARY_DIRS:STRING=${MKL_DIR} \
-    "
-  fi
-  TRILINOS_CONFOPTS=" \
-  ${TRILINOS_CONFOPTS} \
-  -D BLAS_LIBRARY_NAMES:STRING='mkl_core;mkl_sequential' \
-  -D LAPACK_LIBRARY_NAMES:STRING=mkl_intel_lp64 \
-  "
+    if [ -z "${BLAS_DIR}" ] && [ -z "${LAPACK_DIR}" ]; then 
+        CONFOPTS=" \
+            ${CONFOPTS} \
+            -D BLAS_LIBRARY_DIRS:STRING=${MKL_DIR} \
+            -D LAPACK_LIBRARY_DIRS:STRING=${MKL_DIR}"
+    fi
+    
+    CONFOPTS=" \
+        ${CONFOPTS} \
+        -D BLAS_LIBRARY_NAMES:STRING='mkl_core;mkl_sequential' \
+        -D LAPACK_LIBRARY_NAMES:STRING=mkl_intel_lp64"
 fi
 
+# Set compilers & compiler options
+if [ ! -z "${CC}" ]; then
+    CONFOPTS="\
+        ${CONFOPTS} \
+        -D CMAKE_C_COMPILER=${CC}"
+fi
+
+if [ ! -z "${CXX}" ]; then
+    CONFOPTS="\
+        ${CONFOPTS} \
+        -D CMAKE_CXX_COMPILER=${CXX}"
+fi
+
+if [ ! -z "${FC}" ]; then
+    CONFOPTS="\
+        ${CONFOPTS} \
+        -D CMAKE_Fortran_COMPILER=${FC}"
+fi
+
+CONFOPTS="${CONFOPTS} \
+          -D CMAKE_CXX_FLAGS:STRING=-fPIC -g -O3 \
+          -D CMAKE_C_FLAGS:STRING=-fPIC -g -O3 \
+          -D CMAKE_FORTRAN_FLAGS:STRING=-g -O5 \
+          -D Trilinos_EXTRA_LINK_FLAGS:STRING=-lgfortran"
+
 #########################################################################
+# General Trilinos configuration
 
 CONFOPTS="${TRILINOS_CONFOPTS} \
+          ${CONFOPTS} \
+          -D TPL_ENABLE_MPI:BOOL=ON \
           -D Trilinos_ENABLE_OpenMP:BOOL=OFF \
           -D TPL_ENABLE_TBB:BOOL=OFF \
           -D Trilinos_ENABLE_Didasko:BOOL=ON \
@@ -65,13 +99,8 @@ CONFOPTS="${TRILINOS_CONFOPTS} \
           -D SuperLUDist_INCLUDE_DIRS:PATH=${INSTALL_PATH}/include/superlu \
           -D HAVE_SUPERLUDIST_LUSTRUCTINIT_2ARG:BOOL=ON \
           -D CMAKE_BUILD_TYPE:STRING=RELEASE \
-          -D CMAKE_CXX_FLAGS:STRING=-fPIC -g -O3 \
-          -D CMAKE_C_FLAGS:STRING=-fPIC -g -O3 \
-          -D CMAKE_FORTRAN_FLAGS:STRING=-g -O5 \
-          -D Trilinos_EXTRA_LINK_FLAGS:STRING=-lgfortran \
           -D CMAKE_VERBOSE_MAKEFILE:BOOL=FALSE \
           -D Trilinos_VERBOSE_CONFIGURE:BOOL=FALSE \
-          -D TPL_ENABLE_MPI:BOOL=ON \
           -D BUILD_SHARED_LIBS:BOOL=ON"
 
 package_specific_register () {
-- 
2.39.5