build.sh

   1 #!/bin/sh
   2 set -eu
   3
   4 now() { date +$dfmt; }
   5 unameN=$(uname)
   6 test "$unameN" = Darwin && {
   7     darwin=true
   8     wsi="wsi/osx"
   9 } || {
  10     darwin=false
  11     wsi="wsi/x11"
  12 }
  13
  14 dfmt="%s"
  15 if $(expr >/dev/null "$(date --version 2>/dev/null)" : ".*GNU"); then
  16     dfmt="%s.%N"
  17 fi
  18
  19 tstart=$(now)
  20 alias vecho=${vecho-:}
  21 command -v md5sum >/dev/null && alias sum=md5sum || true
  22 test -z "${debugdeps-}" \
  23     && digest() { sum $* 2>/dev/null | while read h _; do printf "$h"; done; } \
  24         || digest() { sum $* 2>/dev/null; }
  25
  26 partmsg() {
  27     test $? -eq 0 && msg="ok" || msg="ko"
  28     echo "$msg $(echo "scale=3; ($(now) - $tstart)/1" | bc -l) sec"
  29 }
  30
  31 die() {
  32     echo "$*" >&2
  33     exit 111
  34 }
  35
  36 trap 'partmsg' EXIT
  37
  38 test $(ocamlc -version | { IFS=. read a b _; echo $a$b; } ) -lt 406 && {
  39     die OCaml version 4.06+ is required
  40 }
  41
  42 test -n "${1-}" || die "usage: $0 build-directory"
  43
  44 outd=$(readlink -f "$1")
  45 srcd=$(readlink -f "$(dirname $0)")
  46 mudir=$srcd/mupdf
  47 muinc="-I $mudir/include -I $mudir/thirdparty/freetype/include"
  48
  49 isfresh() {
  50     test -e "$1" && test -r "$1.past" && {
  51             . "$1.past"
  52             test "$k" = "$2"
  53         }
  54 }
  55
  56 test "${USER-}" = "malc" && {
  57     keycmd="cd $mudir && git describe --tags --dirty"
  58     isfresh "$outd/mupdf"  "$(eval $keycmd)" || (
  59         make -C "$mudir" CC='ccache gcc' build=native -j4 libs && :>$outd/mupdf
  60         echo "k=$(eval $keycmd)" >$outd/mupdf.past
  61     ) && vecho "fresh mupdf"
  62 }
  63
  64 oflags() {
  65     case "${1#$outd/}" in
  66         main.cmo|utils.cmo|config.cmo|parser.cmo|wsi.cmi|$wsi/wsi.cmo)
  67             f="-g -strict-sequence -strict-formats -warn-error a";;
  68         *) f="-g";;
  69     esac
  70     echo "$incs $f"
  71 }
  72
  73 cflags() {
  74     case "${1#$outd/}" in
  75         link.o)
  76             f="-g -std=c99 -O2 $muinc -Wall -Werror -pedantic-errors"
  77             $darwin && echo "$f -D__COCOA__" || echo $f;;
  78         */ml_gl.o) echo "-g -Wno-pointer-sign -O2";;
  79         *) echo "-g -O2";;
  80     esac
  81 }
  82
  83 mflags() { echo "-I $(ocamlc -where) -g -O2"; }
  84
  85 bocaml1() {
  86     ocamlc -depend -bytecode -one-line $(echo $incs) $s | {
  87         read _ _ depl
  88         for d in $(eval echo $depl); do
  89             bocaml ${d#$srcd/} $((n+1))
  90         done
  91     }
  92     cmd="ocamlc $(oflags $o) -c -o $o $s"
  93     keycmd="digest $o $s"
  94     grep -q "$o" $outd/ordered || {
  95         echo "$o" >>"$outd/ordered"
  96         isfresh "$o" "$cmd$(eval $keycmd)" || {
  97             printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
  98             eval "$cmd"
  99             echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 100         } && vecho "fresh '$o'"
 101     }
 102 }
 103
 104 bocaml() (
 105     o="$1"
 106     n="$2"
 107     wocmi="${o%.cmi}"
 108     test ${wocmi%help.cmo} !=  $wocmi && {
 109         s=$outd/help.ml
 110         o=$outd/help.cmo
 111     } || {
 112         test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 113         o=$outd/$o
 114     }
 115     incs="-I $srcd/lablGL -I $srcd/$wsi -I $srcd"
 116     incs="$incs -I $outd/lablGL -I $outd/$wsi -I $outd"
 117     bocaml1 "$s" "$o"
 118 )
 119
 120 bocamlc() {
 121     o=$outd/$1
 122     s=$srcd/${1%.o}.c
 123     cmd="ocamlc -ccopt \"$(cflags $o) -MMD -MF $o.dep -MT_ -o $o\" $s"
 124     test -r $o.dep && read _ d <$o.dep || d=
 125     keycmd='digest $o $d'
 126     isfresh "$o" "$cmd$(eval $keycmd)" || {
 127         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 128         eval "$cmd"
 129         read _ d <$o.dep
 130         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 131     } && vecho "fresh $o"
 132 }
 133
 134 bobjc() {
 135     o=$outd/$1
 136     s=$srcd/${1%.o}.m
 137     cmd="$mcomp $(mflags $o) -MMD -MF $o.dep -MT_ -c -o $o $s"
 138     test -r $o.dep && read _ d <$o.dep || d=
 139     keycmd='digest $o $d'
 140     isfresh "$o" "$cmd$(eval $keycmd)" || {
 141         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 142         eval "$cmd"
 143         read _ d <$o.dep
 144         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 145     } && vecho "fresh $o"
 146 }
 147
 148 mkdir -p $outd/$wsi
 149 mkdir -p $outd/lablGL
 150 :>$outd/ordered
 151
 152 mkhelp() {
 153     ocaml str.cma -stdin $srcd/KEYS <<EOF
 154 let fixup = let open Str in
 155   let dash = regexp {|\([^ ]*\) +- +\(.*\)|}
 156   and head = regexp {|-----\(.*\)-----|} in fun s ->
 157   String.escaped s |> global_replace dash {|\1\t\2|}
 158                    |> global_replace head {|\xc2\xb7\1|};;
 159 let rec iter ic = match input_line ic with
 160 | s -> Printf.printf "\"%s\";\\n" @@ fixup s; iter ic
 161 | exception End_of_file -> ();;
 162 Printf.printf "let keys = [\\n";
 163 iter @@ open_in Sys.argv.(1);;
 164 Printf.printf "] and version = \"$ver\";;"
 165 EOF
 166 }
 167
 168 ver=$(cd $srcd && git describe --tags --dirty) || echo unknown
 169 cmd="mkhelp >$outd/help.ml"
 170 keycmd="digest $srcd/KEYS; echo $ver"
 171 isfresh "$outd/help.ml" '$cmd$(eval $keycmd)$ver' || {
 172     eval $cmd
 173     echo "k='$cmd$(eval $keycmd)$ver'" >"$outd/help.ml.past"
 174 } && vecho "fresh $outd/help.ml"
 175
 176 case "${2-}" in
 177     man)
 178         md=$outd/man
 179         mkdir -p $md
 180         for m in llpp llppac llpphtml; do
 181             man=$srcd/man/$m.man
 182             xml=$md/$m.xml
 183             out=$md/$m.1
 184             keycmd="digest $xml $man"
 185             conf="$srcd/man/asciidoc.conf"
 186             cmd="asciidoc -d manpage -b docbook -f $conf -o '$xml' '$man'"
 187             isfresh "$xml" "$cmd$(eval $keycmd)" || {
 188                 eval $cmd
 189                 echo "k='$cmd$(eval $keycmd)'" >"$md/$m.past"
 190             } && vecho "fresh manual xmls"
 191             keycmd="digest $out $xml"
 192             cmd="xmlto man -o $md $xml"
 193             isfresh "$out" "$cmd$(eval $keycmd)" || {
 194                 eval $cmd
 195                 echo "k='$cmd$(eval $keycmd)'" >"$out.past"
 196             } && vecho "fresh manual pages"
 197         done
 198         shift;;
 199     *) ;;
 200 esac
 201
 202 # following is disgusting (from "generalize everything" perspective),
 203 # but generic method of derviving .ml's location from .mli's is not
 204 # immediately obvious
 205 for m in lablGL/glMisc.cmo lablGL/glTex.cmo $wsi/wsi.cmo main.cmo; do
 206     bocaml $m 0
 207 done
 208 bocamlc link.o
 209 cobjs="$outd/link.o"
 210
 211 libs="str.cma unix.cma"
 212 clibs="-L$mudir/build/native -lmupdf -lmupdfthird -lpthread"
 213 if $darwin; then
 214     mcomp=$(ocamlc -config | grep bytecomp_c_co | { read _ c; echo $c; })
 215     clibs="$clibs -framework Cocoa -framework OpenGL"
 216     bobjc main_osx.o
 217     cobjs="$cobjs $outd/main_osx.o"
 218 else
 219     clibs="$clibs -lGL -lX11"
 220 fi
 221
 222 globjs=
 223 for f in ml_gl ml_glarray ml_raw; do
 224     bocamlc lablGL/$f.o
 225     globjs="$globjs $outd/lablGL/$f.o"
 226 done
 227
 228 ord=$(echo $(grep -v \.cmi $outd/ordered))
 229 cmd="ocamlc -custom $libs -o $outd/llpp $cobjs $ord"
 230 cmd="$cmd $globjs -cclib \"$clibs\""
 231 keycmd="digest $outd/llpp $outd/link.o $ord"
 232 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 233         echo linking $outd/llpp
 234         eval $cmd || echo "$cmd failed"
 235         echo "k='$cmd$(eval $keycmd)'" >"$outd/llpp.past"
 236     } && vecho "fresh llpp"
 237
 238 if $darwin; then
 239     out="$outd/llpp.app/Contents/Info.plist"
 240     keycmd="digest $out $srcd/misc/Info.plist.sh"
 241     isfresh $out "$(eval $keycmd)" || {
 242         shortver=$(echo $ver | { IFS='-' read s _; echo ${s#v}; })
 243         d=$(dirname $out)
 244         test -d "$d" || mkdir -p "$d"
 245         . $srcd/misc/Info.plist.sh >"$out"
 246         echo "k=$(eval $keycmd)" >"$out.past"
 247     } && vecho "fresh plist"
 248
 249     out=$outd/llpp.app/Contents/MacOS/llpp
 250     keycmd="digest $out $outd/llpp"
 251     isfresh $out "$(eval $keycmd)" || {
 252         d=$(dirname $out)
 253         mkdir -p "$d"
 254         cp $outd/llpp $out
 255         echo "k=$(eval $keycmd)" >"$out.past"
 256     } && vecho "fresh bundle"
 257 fi