Modify cmake for Petsc config.

CMakeLists.txt

@@ -119,7 +119,9 @@ IF(OGS_USE_LIS)
     ADD_DEFINITIONS(-DUSE_LIS)
 ENDIF()
 
-
+IF(OGS_USE_PETSC)
+    ADD_DEFINITIONS(-DUSE_PETSC)
+ENDIF()
 
 IF(OGS_USE_EIGEN)
 #	ADD_DEFINITIONS(-DEIGEN_DEFAULT_DENSE_INDEX_TYPE=std::size_t)

scripts/cmake/Find.cmake

@@ -119,7 +119,6 @@ ENDIF()
 
 IF(OGS_USE_PETSC)
     MESSAGE (STATUS  "Configuring for PETSc" )
-
     SET(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/scripts/cmake/findPETSC")
     FIND_PACKAGE(PETSc REQUIRED)
 
@@ -128,6 +127,4 @@ IF(OGS_USE_PETSC)
      )
 
     FIND_PACKAGE(MPI REQUIRED)
-
-    ADD_DEFINITIONS(-DOGS_USE_PETSC)
 ENDIF()