From 939e0e372e44944afd91ef0ad430cf5ea3f315c1 Mon Sep 17 00:00:00 2001
From: Martin Diehl <m.diehl@mpie.de>
Date: Sun, 6 Mar 2016 09:28:20 +0100
Subject: [PATCH] changed order: first find PETSc, than determine the compiler
 abilities

---
 CMakeLists.txt    | 82 +++++++++++++++++++++++++----------------------
 build_spectral.sh | 26 ++++++++++-----
 2 files changed, 61 insertions(+), 47 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9b20a6188..7da86d6e8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,55 +2,20 @@
 # CMAKE for build the Material subroutine for BVP solution
 ########################################################################################
 cmake_minimum_required (VERSION 2.8.0 FATAL_ERROR)
-project (DAMASK Fortran)
 
-# THE VERSION NUMBER.
-set (DAMASK_VERSION_MAJOR 1)
-set (DAMASK_VERSION_MINOR ${DAMASK_V})
-
-# PETSC IS REQUIRED
+#---------------------------------------------------------------------------------------
+# Find PETSc because the entire build will rely on it
 if (NOT DEFINED PETSC_DIR)
     message (FATAL_ERROR "PETSC_DIR is not found!")
 endif (NOT DEFINED PETSC_DIR)
 
-# Setting installation prefix
-if (NOT DEFINED DAMASK_INSTALL)
-    set (CMAKE_INSTALL_PREFIX "${PROJECT_SOURCE_DIR}/bin")
-elseif(DEFINED DAMASK_INSTALL)
-    set (CMAKE_INSTALL_PREFIX "${DAMASK_INSTALL}")
-endif(NOT DEFINED DAMASK_INSTALL)
-message("\n***The binary will be installed at\n${CMAKE_INSTALL_PREFIX}\n")
-
-# DAMASK DRIVER SELECTION
-set (SPECTRAL OFF)
-set (FEM      OFF)
-if ("${DAMASK_DRIVER}" STREQUAL "SPECTRAL")
-    set (SPECTRAL ON )
-endif("${DAMASK_DRIVER}" STREQUAL "SPECTRAL")
-#
-if ("${DAMASK_DRIVER}" STREQUAL "FEM")
-    set (FEM      ON )
-endif("${DAMASK_DRIVER}" STREQUAL "FEM")
-
-# COMPILE VARIABLES
-add_definitions(-DDAMASKVERSION="${DAMASK_V}")
-add_definitions(-DPETSc)
-add_definitions(-DFLOAT=8)
-add_definitions(-DINT=4)
-if (SPECTRAL)
-    add_definitions(-DSpectral)
-endif(SPECTRAL)
-if (FEM)
-    add_definitions(-DFEM)
-endif(FEM)
-
 # BRUTAL FORCE TO FIND THE VARIABLES DEFINED IN PETSC
 # ref:
 # https://github.com/jedbrown/cmake-modules/blob/master/FindPETSc.cmake
 set(petsc_conf_variables "${PETSC_DIR}/lib/petsc/conf/variables")
 set(petsc_conf_rules     "${PETSC_DIR}/lib/petsc/conf/rules"    )
 # A temporary makefile to probe the PETSc configuration
-set (petsc_config_makefile "${PROJECT_BINARY_DIR}/Makefile.petsc")
+set (petsc_config_makefile "/home/m/DAMASK/build/Makefile.petsc")                #MD: don't know how get the path here
 file (WRITE "${petsc_config_makefile}"
 "## This file was auto generated by CMake
 # PETSC_DIR  = ${PETSC_DIR}
@@ -76,6 +41,45 @@ linker:
 \t@echo \${LINKERNAME}
 
 ")
+# https://cmake.org/Wiki/CMake_FAQ#How_do_I_use_a_different_compiler.3F
+set(CMAKE_Fortran_COMPILER "/opt/petsc/gfortran/bin/mpif90")                #MD: https://github.com/jedbrown/cmake-modules/blob/master/FindPETSc.cmake might help
+set(CMAKE_C_COMPILER "/opt/petsc/gfortran/bin/mpicc")                       #MD: https://github.com/jedbrown/cmake-modules/blob/master/FindPETSc.cmake might help
+#---------------------------------------------------------------------------------------
+# Now start to care about DAMASK
+
+# THE VERSION NUMBER.
+set (DAMASK_VERSION_MAJOR 1)
+set (DAMASK_VERSION_MINOR ${DAMASK_V})
+
+project (DAMASK Fortran C)
+
+# COMPILE VARIABLES
+add_definitions(-DDAMASKVERSION="${DAMASK_V}")
+add_definitions(-DPETSc)
+add_definitions(-DFLOAT=8)
+add_definitions(-DINT=4)
+
+# Setting installation prefix
+if (NOT DEFINED DAMASK_INSTALL)
+    set (CMAKE_INSTALL_PREFIX "${PROJECT_SOURCE_DIR}/bin")
+elseif(DEFINED DAMASK_INSTALL)
+    set (CMAKE_INSTALL_PREFIX "${DAMASK_INSTALL}")
+endif(NOT DEFINED DAMASK_INSTALL)
+message("\n***The binary will be installed at\n${CMAKE_INSTALL_PREFIX}\n")
+
+# DAMASK DRIVER SELECTION
+set (SPECTRAL OFF)
+set (FEM      OFF)
+if ("${DAMASK_DRIVER}" STREQUAL "SPECTRAL")
+    set (SPECTRAL ON )
+    add_definitions(-DSpectral)
+endif("${DAMASK_DRIVER}" STREQUAL "SPECTRAL")
+#
+if ("${DAMASK_DRIVER}" STREQUAL "FEM")
+    set (FEM      ON )
+    add_definitions(-DFEM)
+endif("${DAMASK_DRIVER}" STREQUAL "FEM")
+
 
 find_program (MAKE_EXECUTABLE NAMES make gmake)
 execute_process(COMMAND ${MAKE_EXECUTABLE} -f ${petsc_config_makefile} "includes"
@@ -443,4 +447,4 @@ endif(SPECTRAL)
 
 # Enable Dashboard scripting
 # include (CTest)
-# set (CTEST_PROJECT_NAME "DAMASK")
\ No newline at end of file
+# set (CTEST_PROJECT_NAME "DAMASK")
diff --git a/build_spectral.sh b/build_spectral.sh
index dd1164558..e40700566 100755
--- a/build_spectral.sh
+++ b/build_spectral.sh
@@ -2,8 +2,18 @@
 
 cat  README
 echo
-echo "Building spectral solver with ${FC}"
+
+if [ "$OSTYPE" == "linux-gnu" ] || [ "$OSTYPE" == 'linux' ]; then
+  DAMASK_ROOT=$(readlink -f "`dirname $BASH_SOURCE`")
+else
+  [[ "${BASH_SOURCE::1}" == "/" ]] && BASE="" || BASE="`pwd`/"
+  STAT=$(stat "`dirname $BASE$BASH_SOURCE`")
+  DAMASK_ROOT=${STAT##* }
+fi
+
 DAMASKVERSION=$(cat VERSION)
+BUILDROOT=$DAMASK_ROOT/build
+BUILDDIR=spectral
 
 # prepare building directory
 # structure:
@@ -11,15 +21,15 @@ DAMASKVERSION=$(cat VERSION)
 #   |-BUILD_SPECTRAL
 #   |-BUILD_FEM
 #   |-BUILD_MARC
-if [ ! -d build ]; then
-    mkdir build
+if [ ! -d $BUILDROOT ]; then
+    mkdir $BUILDROOT
 fi
-cd build
-if [ -d spectral ] ; then
-    rm -rf spectral
+cd $BUILDROOT
+if [ -d $BUILDDIR ] ; then
+    rm -rf $BUILDDIR
 fi
-mkdir spectral
-cd spectral
+mkdir $BUILDDIR
+cd $BUILDDIR
 
 ##
 # CMake call