--- CMakeLists.txt.orig	2023-02-07 17:22:46 UTC
+++ CMakeLists.txt
@@ -9,7 +9,7 @@ project(vcflib)
 cmake_minimum_required(VERSION 3.16)
 project(vcflib)
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 14)
 
 include(ExternalProject)
 include(FeatureSummary)
@@ -69,7 +69,7 @@ if (${CMAKE_BUILD_TYPE} MATCHES Release)
 endif()
 
 if (${CMAKE_BUILD_TYPE} MATCHES Release)
-  set(EXTRA_FLAGS "-march=native -D_FILE_OFFSET_BITS=64")
+  set(EXTRA_FLAGS "-D_FILE_OFFSET_BITS=64")
   # set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG") # reset CXX_FLAGS to replace -O3 with -Ofast
 endif()
 
@@ -570,4 +570,4 @@ install(FILES ${INCLUDES} DESTINATION include)
 
 install(FILES ${INCLUDES} DESTINATION include)
 
-install(DIRECTORY ${CMAKE_SOURCE_DIR}/man/ DESTINATION ${CMAKE_INSTALL_PREFIX}/man/man1)
+install(DIRECTORY ${CMAKE_SOURCE_DIR}/man/ DESTINATION ${CMAKE_INSTALL_PREFIX}/share/man/man1)