diff --git a/sundials-disable_petsc_tests.patch b/sundials-disable_petsc_tests.patch
new file mode 100644
index 0000000..8541dee
--- /dev/null
+++ b/sundials-disable_petsc_tests.patch
@@ -0,0 +1,75 @@
+--- a/config/SundialsPETSc.cmake
++++ b/config/SundialsPETSc.cmake
+@@ -25,49 +25,4 @@
+ # set PETSC_LIBRARIES
+ include(FindPETSc)
+ 
+-# If we have the PETSC libraries, test them
+-if(PETSC_LIBRARIES)
+-  message(STATUS "Looking for PETSc libraries...")
+-  # Create the PETSCTest directory
+-  set(PETSCTest_DIR ${PROJECT_BINARY_DIR}/PETSCTest)
+-  file(MAKE_DIRECTORY ${PETSCTest_DIR})
+-  # Create a CMakeLists.txt file 
+-  file(WRITE ${PETSCTest_DIR}/CMakeLists.txt
+-    "CMAKE_MINIMUM_REQUIRED(VERSION 3.0.2)\n"
+-    "PROJECT(ltest C)\n"
+-    "SET(CMAKE_VERBOSE_MAKEFILE ON)\n"
+-    "SET(CMAKE_BUILD_TYPE \"${CMAKE_BUILD_TYPE}\")\n"
+-    "SET(CMAKE_C_COMPILER ${MPI_C_COMPILER})\n"
+-    "SET(CMAKE_C_FLAGS \"${CMAKE_C_FLAGS}\")\n"
+-    "SET(CMAKE_C_FLAGS_RELEASE \"${CMAKE_C_FLAGS_RELEASE}\")\n"
+-    "SET(CMAKE_C_FLAGS_DEBUG \"${CMAKE_C_FLAGS_DEBUG}\")\n"
+-    "SET(CMAKE_C_FLAGS_RELWITHDEBUGINFO \"${CMAKE_C_FLAGS_RELWITHDEBUGINFO}\")\n"
+-    "SET(CMAKE_C_FLAGS_MINSIZE \"${CMAKE_C_FLAGS_MINSIZE}\")\n"
+-    "INCLUDE_DIRECTORIES(${PETSC_INCLUDE_DIR})\n"
+-    "ADD_EXECUTABLE(ltest ltest.c)\n"
+-    "TARGET_LINK_LIBRARIES(ltest ${PETSC_LIBRARIES})\n")    
+-  # Create a C source file which calls a PETSC function
+-  file(WRITE ${PETSCTest_DIR}/ltest.c
+-    "\#include \"petscvec.h\"\n"
+-    "int main(){\n"
+-    "Vec x;\n"
+-    "VecCreate(PETSC_COMM_WORLD, &x);\n" 
+-    "return(0);\n"
+-    "}\n")
+-  # Attempt to link the "ltest" executable
+-  try_compile(LTEST_OK ${PETSCTest_DIR} ${PETSCTest_DIR} ltest OUTPUT_VARIABLE MY_OUTPUT)
+-      
+-  # To ensure we do not use stuff from the previous attempts, 
+-  # we must remove the CMakeFiles directory.
+-  file(REMOVE_RECURSE ${PETSCTest_DIR}/CMakeFiles)
+-  # Process test result
+-  if(LTEST_OK)
+-    message(STATUS "Checking if PETSc works... OK")
+-    set(PETSC_FOUND TRUE)
+-  else(LTEST_OK)
+-    message(STATUS "Checking if PETSc works... FAILED")
+-  endif(LTEST_OK)
+-else(PETSC_LIBRARIES)
+-  PRINT_WARNING("PETSC LIBRARIES NOT Found. Please check library path" "${PETSC_LIBRARY_DIR} ")
+-  message(STATUS "Looking for PETSc libraries... FAILED")
+-endif(PETSC_LIBRARIES)
++set(PETSC_FOUND TRUE)
+--- a/examples/ida/petsc/CMakeLists.txt
++++ b/examples/ida/petsc/CMakeLists.txt
+@@ -19,8 +19,6 @@
+ 
+ # Examples using SUNDIALS linear solvers
+ SET(IDA_examples
+-  #"idaHeat2D_jac_petsc\;1\;4"  # Not to be released in 2.7.0
+-  "idaHeat2D_kry_petsc\;1\;4\;develop"
+   )
+ 
+ IF(MPI_C_COMPILER)
+--- a/examples/nvector/petsc/CMakeLists.txt
++++ b/examples/nvector/petsc/CMakeLists.txt
+@@ -19,8 +19,6 @@
+ 
+ # Examples using SUNDIALS PETSc nvector
+ SET(nvector_petsc_examples
+-  "test_nvector_petsc\;1000 0\;\;\;"    # run sequentially
+-  "test_nvector_petsc\;1000 0\;1\;4\;"  # run 4 procs
+   )
+ 
+ # Dependencies for nvector examples
diff --git a/sundials.spec b/sundials.spec
index 28cacef..6c0ab93 100644
--- a/sundials.spec
+++ b/sundials.spec
@@ -51,6 +51,10 @@ Patch0:     %{name}-3.1.1-set_superlumt_name.patch
 # This patch rename superLUMT64 library
 Patch1:     %{name}-3.1.1-set_superlumt64_name.patch
 
+# PETSc libraries unrecognized for unknown reasons
+# This patch disables the PETSc tests of CMake
+Patch2:     %{name}-disable_petsc_tests.patch
+
 %if 0%{?with_fortran}
 BuildRequires: gcc-gfortran
 %endif
@@ -103,6 +107,7 @@ BuildRequires: hypre-openmpi-devel
 %if 0%{?with_petsc}
 BuildRequires: petsc-openmpi-devel >= 3.10
 BuildRequires: scalapack-openmpi-devel
+BuildRequires: hdf5-openmpi-devel
 %endif
 
 Requires: openmpi%{?_isa}
@@ -136,6 +141,7 @@ BuildRequires: hypre-mpich-devel
 %if 0%{?with_petsc}
 BuildRequires: petsc-mpich-devel >= 3.10
 BuildRequires: scalapack-mpich-devel
+BuildRequires: hdf5-mpich-devel
 %endif
 Requires: mpich%{?_isa}
 %if 0%{?with_fortran}
@@ -180,6 +186,8 @@ pushd sundials-%{version}
 %patch0 -p0
 %endif
 
+%patch2 -p1 -b .disable_petsc_tests
+
 ##Set serial library's paths
 sed -i 's|DESTINATION include/nvector|DESTINATION %{_includedir}/nvector|g' src/nvector/serial/CMakeLists.txt
 sed -i 's|DESTINATION include/nvector|DESTINATION %{_includedir}/nvector|g' src/nvector/openmp/CMakeLists.txt
@@ -655,8 +663,7 @@ popd
 %{_libdir}/libsundials_fsunlinsol*.so
 %{_libdir}/libsundials_fsunnonlinsol*.so
 %endif
-%dir %{_includedir}/sundials
-%{_includedir}/sundials/sundials_config.h
+%{_includedir}/sundials/
 %{_includedir}/nvector/
 %{_includedir}/sunmatrix/
 %{_includedir}/sunlinsol/
@@ -807,6 +814,7 @@ popd
 %changelog
 * Wed Jun 26 2019 Antonio Trande <sagitterATfedoraproject.org> - 4.1.0-3
 - Do not use curly brackets under %%files
+- PETSc needs HDF5
 
 * Thu Apr 25 2019 Antonio Trande <sagitterATfedoraproject.org> - 4.1.0-2
 - Reorganization of the files