build.sh

   1 #!/bin/sh
   2 set -e
   3
   4 date --version | grep -q "GNU" && dfmt="%s.%N" || dfmt="%s"
   5 now() { date +$dfmt; }
   6
   7 tstart=$(now)
   8 vecho=${vecho-:}
   9 command -v md5sum >/dev/null && alias sum=md5sum
  10
  11 partmsg() {
  12     test $? -eq 0 && msg="ok" || msg="ko"
  13     echo "$msg $(echo "scale=3; ($(now) - $tstart)/1" | bc -l) sec"
  14 }
  15
  16 die() {
  17     echo "$*" >&2
  18     exit 111
  19 }
  20
  21 trap 'partmsg' EXIT
  22
  23 test -n "$1" || die "usage: $0 build-directory"
  24
  25 outd=$1
  26 srcd=$PWD
  27
  28 isfresh() {
  29     test -e "$1" && test -r "$1.past" && {
  30             . "$1.past"
  31             test "$k" = "$2"
  32         }
  33 }
  34
  35 bocaml1() {
  36     eval ocamlc -depend -bytecode -one-line $incs $s | {
  37         read _ _ depl
  38         test -z "$depl" || {
  39             for d in $(eval echo $depl); do
  40                 d=${d#$srcd/}
  41                 bocaml $d $((n+1))
  42             done
  43         }
  44     }
  45     cmd="ocamlc $incs -c -o $o $s"
  46     keycmd="sum $o $s"
  47     grep -q "$o" $outd/ordered || {
  48         echo "$o" >>$outd/ordered
  49         isfresh "$o" "$cmd$(eval $keycmd)" || {
  50             printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "$o"
  51             eval "$cmd"
  52             echo "k='$cmd$(eval $keycmd)'" >$o.past
  53         } && $vecho "fresh '$o'"
  54     }
  55 }
  56
  57 bocaml() (
  58     o="$1"
  59     n="$2"
  60     wocmi="${o%.cmi}"
  61     test ${wocmi%help.cmo} !=  $wocmi && {
  62         s=$outd/help.ml
  63         o=$outd/help.cmo
  64     } || {
  65         test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
  66         o=$outd/$o
  67     }
  68     incs="-I lablGL -I $outd/lablGL -I wsi/x11 -I $outd/wsi/x11 -I $outd"
  69     bocaml1 "$s" "$o"
  70 )
  71
  72 bocamlc() {
  73     o=$outd/$1
  74     s=$srcd/${1%.o}.c
  75     mudir=$srcd/mupdf
  76     muinc="-I $mudir/include -I $mudir/thirdparty/freetype/include"
  77     cmd="ocamlc -ccopt \"-O2 $muinc -MMD -MF $o.dep -MT_ -o $o\" $s"
  78     test -r $o.dep && read _ d <$o.dep
  79     keycmd='sum $o $d 2>/dev/null'
  80     isfresh "$o" "$cmd$(eval $keycmd)" || {
  81         printf "%s -> %s\n" "${s#$srcd/}" "$o"
  82         eval "$cmd"
  83         read _ d <$o.dep
  84         echo "k='$cmd$(eval $keycmd)'" >$o.past
  85     }
  86 }
  87
  88 mkdir -p $outd/wsi/x11
  89 mkdir -p $outd/lablGL
  90 :>$outd/ordered
  91
  92 mkhelp() {
  93     ocaml str.cma -stdin $srcd/KEYS <<EOF
  94 let fixup = let open Str in
  95   let dash = regexp {|\([^ ]*\) +- +\(.*\)|}
  96   and head = regexp {|-----\(.*\)-----|} in fun s ->
  97   String.escaped s |> global_replace dash {|\1\t\2|}
  98                    |> global_replace head {|\xc2\xb7\1|};;
  99 let rec iter ic = match input_line ic with
 100 | s -> Printf.printf "\"%s\";\\n" @@ fixup s; iter ic
 101 | exception End_of_file -> ();;
 102 Printf.printf "let keys = [\\n";
 103 iter @@ open_in Sys.argv.(1);;
 104 Printf.printf "] and version = \"$ver\";;"
 105 EOF
 106 }
 107
 108 ver=$(cd $srcd && git describe --tags) || echo unknown
 109 cmd="mkhelp >$outd/help.ml"
 110 keycmd="sum $srcd/KEYS; echo $ver"
 111 isfresh "$outd/help.ml" '$cmd$(eval keycmd)$ver' || {
 112     eval $cmd
 113     echo "k='$cmd$(eval $keycmd)$ver'" >$outd/help.ml.past
 114 }
 115
 116 for m in lablGL/glMisc.cmo lablGL/glTex.cmo wsi/x11/wsi.cmo main.cmo; do
 117     bocaml $m 0
 118 done
 119 bocamlc link.o
 120
 121 libs="str.cma unix.cma"
 122 clibs="-lGL -lX11 -L$mudir/build/native -lmupdf -lmupdfthird -lpthread"
 123 globjs=
 124 for f in ml_gl ml_glarray ml_raw; do
 125     bocamlc lablGL/$f.o
 126     globjs="$globjs $outd/lablGL/$f.o"
 127 done
 128
 129 ord=$(echo $(eval grep -v \.cmi $outd/ordered))
 130 cmd="ocamlc -custom $libs -o $outd/llpp $ord"
 131 cmd="$cmd $globjs $outd/link.o -cclib \"$clibs\""
 132 keycmd="sum $outd/llpp $ord"
 133 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 134         echo linking $outd/llpp
 135         eval $cmd
 136         echo "k='$cmd$(eval $keycmd)'" >$outd/llpp.past
 137     }