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             true || {
  32                 echo "$1"
  33                 echo "$k" | md5sum
  34                 echo "$2" | md5sum
  35             }
  36             test "$k" = "$2"
  37         }
  38 }
  39
  40 bocaml1() {
  41     eval ocamlc -depend -bytecode -one-line $incs $s | {
  42         read _ _ depl
  43         test -z "$depl" || {
  44             for d in $(eval echo $depl); do
  45                 d=${d#$srcd/}
  46                 bocaml $d $((n+1))
  47             done
  48         }
  49     }
  50     cmd="ocamlc $incs -c -o $o $s"
  51     keycmd="sum $o $s"
  52     grep -q "$o" $outd/ordered || {
  53         echo "$o" >>$outd/ordered
  54         isfresh "$o" "$cmd$(eval $keycmd)" || {
  55             printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "$o"
  56             eval "$cmd"
  57             echo "k='$cmd$(eval $keycmd)'" >$o.past
  58         } && $vecho "fresh '$o'"
  59     }
  60 }
  61
  62 bocaml() (
  63     o="$1"
  64     n="$2"
  65     wocmi="${o%.cmi}"
  66     test ${wocmi%help.cmo} !=  $wocmi && {
  67         s=$outd/help.ml
  68         o=$outd/help.cmo
  69     } || {
  70         test "$o" = "$wocmi" && s=${o%.cmo}.ml || s=$wocmi.mli
  71         s=$srcd/$s
  72         o=$outd/$o
  73     }
  74     incs="-I lablGL -I $outd/lablGL -I wsi/x11 -I $outd/wsi/x11 -I $outd"
  75     bocaml1 "$s" "$o"
  76 )
  77
  78 bocamlc() {
  79     o=$outd/$1
  80     s=$srcd/${1%.o}.c
  81     mudir=$srcd/mupdf
  82     muinc="-I $mudir/include -I $mudir/thirdparty/freetype/include"
  83     cmd="ocamlc -ccopt \"-O2 $muinc -MMD -MF $o.dep -MT_ -o $o\" $s"
  84     test -r $o.dep && read _ d <$o.dep
  85     keycmd='sum $o $d 2>/dev/null'
  86     isfresh "$o" "$cmd$(eval $keycmd)" || {
  87         printf "%s -> %s\n" "${s#$srcd/}" "$o"
  88         eval "$cmd"
  89         read _ d <$o.dep
  90         echo "k='$cmd$(eval $keycmd)'" >$o.past
  91     }
  92 }
  93
  94 mkdir -p $outd/wsi/x11
  95 mkdir -p $outd/lablGL
  96 :>$outd/ordered
  97
  98 mkhelp() {
  99     ocaml str.cma -stdin $srcd/KEYS <<EOF
 100 let fixup = let open Str in
 101   let dash = regexp {|\([^ ]*\) +- +\(.*\)|}
 102   and head = regexp {|-----\(.*\)-----|} in fun s ->
 103   String.escaped s |> global_replace dash {|\1\t\2|}
 104                    |> global_replace head {|\xc2\xb7\1|};;
 105 let rec iter ic = match input_line ic with
 106 | s -> Printf.printf "\"%s\";\\n" @@ fixup s; iter ic
 107 | exception End_of_file -> ();;
 108 Printf.printf "let keys = [\\n";
 109 iter @@ open_in Sys.argv.(1);;
 110 Printf.printf "] and version = \"$ver\";;"
 111 EOF
 112 }
 113
 114 ver=$(cd $srcd && git describe --tags) || echo unknown
 115 cmd="mkhelp >$outd/help.ml"
 116 keycmd="sum $srcd/KEYS; echo $ver"
 117 isfresh "$outd/help.ml" '$cmd$(eval keycmd)$ver' || {
 118     eval $cmd
 119     echo "k='$cmd$(eval $keycmd)$ver'" >$outd/help.ml.past
 120 }
 121
 122 for m in lablGL/glMisc.cmo lablGL/glTex.cmo wsi/x11/wsi.cmo main.cmo; do
 123     bocaml $m 0
 124 done
 125 bocamlc link.o
 126
 127 libs="str.cma unix.cma"
 128 clibs="-lGL -lX11 -L$mudir/build/native -lmupdf -lmupdfthird -lpthread"
 129 globjs=
 130 for f in ml_gl ml_glarray ml_raw; do
 131     bocamlc lablGL/$f.o
 132     globjs="$globjs $outd/lablGL/$f.o"
 133 done
 134
 135 ord=$(echo $(eval grep -v \.cmi $outd/ordered))
 136 cmd="ocamlc -custom $libs -o $outd/llpp $ord"
 137 cmd="$cmd $globjs $outd/link.o -cclib \"$clibs\""
 138 keycmd="sum $outd/llpp $ord"
 139 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 140         echo linking $outd/llpp
 141         eval $cmd
 142         echo "k='$cmd$(eval $keycmd)'" >$outd/llpp.past
 143     }