Add petsc conf hint for petsc>=3.7

diff --git a/cmake/modules/FindPETSC.cmake b/cmake/modules/FindPETSC.cmake
index 7e863550f0330cd9507e466f62d21f5f0c6860f6..cc4eb3678b54653f8293be0912a3d84bc03724e6 100644 (file)
--- a/cmake/modules/FindPETSC.cmake
+++ b/cmake/modules/FindPETSC.cmake
@@ -126,7 +126,7 @@ ENDIF()
 DEAL_II_FIND_FILE(PETSC_PETSCVARIABLES
   NAMES petscvariables
   HINTS ${PETSC_DIR}/${PETSC_ARCH} ${PETSC_DIR}
-  PATH_SUFFIXES conf
+  PATH_SUFFIXES conf lib/petsc/conf
   )
 
 IF(NOT PETSC_PETSCVARIABLES MATCHES "-NOTFOUND")