Merge pull request #7 in HSE/mpool from updates/NFSE-4213-mpool-build…

… to v1.7

* commit '85135884d8767307e27fb2c0313228529fb6be76':
  Change mininum cmake version to 3.6.

CMakeLists.txt

@@ -4,7 +4,7 @@
 # Copyright (C) 2015-2020 Micron Technology, Inc.  All rights reserved.
 #
 
-cmake_minimum_required(VERSION 3.2)
+cmake_minimum_required(VERSION 3.6)
 if(${CMAKE_MAJOR_VERSION} GREATER 2)
 cmake_policy(SET CMP0046 OLD)
 endif()
@@ -63,13 +63,7 @@ include_directories( ${MPOOL_STAGE_INSTALL_PREFIX}/include )
 
 # increasing warning levels
 set( CFLAGS_WARN_1 "${CFLAGS_WARN_0} -Wall -Werror -std=gnu99")
-
-if ( "${MPOOL_DISTRO}" STREQUAL  "el6" )
-   set( CFLAGS_WARN_2 "${CFLAGS_WARN_1} -Wlogical-op -Wno-missing-field-initializers  -Wuninitialized -Wno-format-zero-length")
-else()
-   set( CFLAGS_WARN_2 "${CFLAGS_WARN_1} -Wlogical-op -Wno-missing-field-initializers  -Wuninitialized -Wmaybe-uninitialized ")
-endif()
-
+set( CFLAGS_WARN_2 "${CFLAGS_WARN_1} -Wlogical-op -Wno-missing-field-initializers  -Wuninitialized -Wmaybe-uninitialized ")
 set( CFLAGS_WARN_3 "${CFLAGS_WARN_2} -Wextra -Wno-conversion -Wno-sign-conversion -Wno-sign-compare -Wno-unused-parameter")
 set( CFLAGS_WARN_4 "${CFLAGS_WARN_2} -Wextra -Wconversion    -Wsign-conversion    -Wsign-compare    -Wunused-parameter")
 set( CFLAGS_WARN_MAX "${CFLAGS_WARN_4}")