Updated configure

configure

@@ -11,11 +11,12 @@ doc='$(prefix)/doc'
 share='$(prefix)/share'
 man='$(prefix)/man'
 etc='$(prefix)/etc'
-ocamlcflags='"-g -warn-error A"'
+ocamlcflags='"-g -warn-error A -cc gcc -ccopt -Ofast -ccopt -march=native "'
 ocamllflags='"-g -warn-error A"'
-ocamloptflags='"opt -O3 -nodynlink -remove-unused-arguments -rounds 16 -inline 100 -inline-max-unroll 100"'
+ocamloptflags='"opt -O3 -nodynlink -remove-unused-arguments -rounds 16 -inline 100 -inline-max-unroll 100 -cc gcc -ccopt -Ofast -ccopt -march=native"'
 ocamldocflags='-docflags "-g ltxhtml.cma -sort -css-style $(PWD)/style.css -colorize-code"'
 mpi=''
+ocamloptflags_profile='"opt -p -cc gcc -ccopt -Ofast -ccopt -march=native -ccopt -no-pie "'
 
 # --------------------------------
 
@@ -44,6 +45,7 @@ where options include:
   -ocamlcflags         default: $ocamlcflags
   -ocamloptflags       default: $ocamloptflags
   -mpi                 default: mpi off
+  -profile             default: off
 
 EOF
     exit
@@ -77,6 +79,8 @@ while : ; do
             shift;;
         -mpi|--mpi)
             mpi='-tag "package(mpi)"';;
+        -profile|--profile)
+            ocamloptflags=$ocamloptflags_profile
         -h|-help|--help)
             help;;
         *)