shithub: orca

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Add timing stats option to build tool

--- a/tool

+++ b/tool

@@ -21,6 +21,7 @@

     -d            Enable compiler safeguards like -fstack-protector.

                   You should probably do this if you plan to give the

                   compiled binary to other people.

+    -s            Print statistics about compile time and binary size.

     -h or --help  Print this message and exit.

 EOF

 }

@@ -38,8 +39,9 @@

 verbose=0

 protections_enabled=0

+stats_enabled=0

-while getopts c:dhv-: opt_val; do

+while getopts c:dhsv-: opt_val; do

   case "$opt_val" in

     -)

       case "$OPTARG" in

@@ -54,6 +56,7 @@

     c) compiler_exe="$OPTARG";;

     h) print_usage; exit 0;;

     d) protections_enabled=1;;

+    s) stats_enabled=1;;

     v) verbose=1;;

     \?) print_usage >&2; exit 1;;

     *) break;;

@@ -79,6 +82,18 @@

   "$@"

 }

+TIMEFORMAT='%3R'

+

+last_time=

+

+timed_stats() {

+  if [[ $stats_enabled = 1 ]]; then

+    { last_time=$( { time "$@" 1>&3- 2>&4-; } 2>&1 ); } 3>&1 4>&2

+  else

+    "$@"

+  fi

+}

+

 if [[ ($os == bsd) || ($os == unknown) ]]; then

   warn "Build script not tested on this platform"

 fi

@@ -175,9 +190,14 @@

   add source_files cli_main.c

   try_make_dir "$build_dir"

   try_make_dir "$build_dir/$build_subdir"

+  local out_path=$build_dir/$build_subdir/$out_exe

   # bash versions quirk: empty arrays might give error on expansion, use +

   # trick to avoid expanding second operand

-  verbose_echo "$compiler_exe" "${compiler_flags[@]}" -o "$build_dir/$build_subdir/$out_exe" "${source_files[@]}" ${libraries[@]+"${libraries[@]}"}

+  verbose_echo timed_stats "$compiler_exe" "${compiler_flags[@]}" -o "$out_path" "${source_files[@]}" ${libraries[@]+"${libraries[@]}"}

+  if [[ $stats_enabled = 1 ]]; then

+    echo    "time: $last_time"

+    stat -c "size: %s" -- "$out_path"

+  fi

 }

 print_info() {