initial slepc stuff

CMakeLists.txt

@@ -39,6 +39,7 @@ option(ENABLE_OCC "Enable OpenCASCADE geometrical models" ON)
 option(ENABLE_OSMESA "Use OSMesa for offscreen rendering" OFF)
 option(ENABLE_PARSER "Build the GEO file parser" ON)
 option(ENABLE_PETSC "Enable PETSc linear algebra solvers" ON)
+option(ENABLE_SLEPC "Enable SLEPc eigensolvers" ON)
 option(ENABLE_POST "Build the post-processing module" ON)
 option(ENABLE_QT "Build QT GUI" OFF)
 option(ENABLE_TAUCS "Enable Taucs linear algebra solver" ON)
@@ -560,6 +561,10 @@ if(ENABLE_PETSC)
   endif(EXISTS ${ENV_PETSC_DIR}/${ENV_PETSC_ARCH}/conf/petscvariables)
 endif(ENABLE_PETSC)
 
+if(HAVE_PETSC AND ENABLE_SLEPC)
+  message(STATUS "Checking for SLEPc... TODO")
+endif(HAVE_PETSC AND ENABLE_SLEPC)
+
 if(ENABLE_OCC)
   if(WIN32)
     set(OCC_SYS_NAME win32)