build.bash

   1 #!/bin/bash
   2 set -eu
   3
   4 now() { date +%s; }
   5 tstart=$(now)
   6 vecho() { ${vecho-:} "$*"; }
   7 digest() { cksum 2>/dev/null $* | cut -d ' ' -f 1; }
   8
   9 partmsg() {
  10     test $? -eq 0 && msg="ok" || msg="ko"
  11     echo "$msg $(($(now)-tstart)) sec"
  12 }
  13
  14 die() {
  15     echo "$*" >&2
  16     exit 111
  17 }
  18
  19 trap 'partmsg' EXIT
  20
  21 darwin=false
  22 wsi="wsi/x11"
  23 case "$(uname)" in
  24     Darwin)
  25         darwin=true
  26         wsi="wsi/osx"
  27         mjobs=$(getconf _NPROCESSORS_ONLN || echo 1)
  28         ;;
  29     Linux) mjobs=$(getconf _NPROCESSORS_ONLN || echo 1);;
  30     OpenBSD) mjobs=$(getconf NPROCESSORS_ONLN || echo 1);;
  31     *) die $(uname) is not supported;;
  32 esac
  33
  34 test -n "${1-}" || die "usage: $0 build-directory"
  35
  36 outd="$1"
  37 srcd="$(dirname $0)"
  38 mudir=$outd/mupdf
  39 muinc="-I $mudir/include -I $mudir/thirdparty/freetype/include"
  40
  41 mkdir -p $outd/$wsi
  42 mkdir -p $outd/lablGL
  43 :>$outd/ordered
  44
  45 isfresh() { . 2>/dev/null "$1.past" && test "$k" = "$2"; }
  46
  47 mulibs="$mudir/build/native/libmupdf.a" # $mudir/build/native/libmupdf-third.a
  48 keycmd="(cd $mudir && git describe --tags --dirty); digest $mulibs"
  49 isfresh "$mulibs" "$(eval $keycmd)" || (
  50     make -C "$mudir" build=native -j $mjobs libs
  51     echo "k=\"$(eval $keycmd)\"" >$mudir/build/native/libmupdf.a.past
  52 ) && vecho "fresh mupdf"
  53
  54 oflags() {
  55     case "${1#$outd/}" in
  56         main.cmo|utils.cmo|config.cmo|parser.cmo|$wsi/wsi.cmo)
  57             f="-g -strict-sequence -strict-formats -warn-error @A";;
  58         *) f="-g";;
  59     esac
  60     echo "$incs $f"
  61 }
  62
  63 cflags() {
  64     case "${1#$outd/}" in
  65         link.o|cutils.o)
  66             f="-g -std=c99 -O2 $muinc -Wall -Werror -pedantic-errors"
  67             f="$f -D_GNU_SOURCE"
  68             $darwin && echo "$f -D__COCOA__" || echo $f;;
  69         */keysym2ucs.o) echo "-O2 -include inttypes.h -DKeySym=uint32_t";;
  70         */ml_*.o) echo "-g -Wno-pointer-sign -O2";;
  71         *) echo "-g -O2";;
  72     esac
  73 }
  74
  75 mflags() { echo "-I $(ocamlc -where) -g -O2"; }
  76
  77 incs="-I $srcd/lablGL -I $srcd/$wsi -I $srcd"
  78 incs="$incs -I $outd/lablGL -I $outd/$wsi -I $outd"
  79
  80 overs="$(ocamlc --version 2>/dev/null)" || overs="0.0.0"
  81 oversnum="$(echo $overs | { IFS=. read a b _; echo $a$b; })"
  82
  83 test $oversnum -ge 407 || {
  84     url=https://github.com/ocaml/ocaml/archive/4.07.zip
  85     zip=$outd/$(basename $url)
  86     isfresh $zip $url || {
  87         executable_p() { command -v "$1" >/dev/null 2>&1; }
  88         if executable_p wget; then dl() { wget -q "$1" -O "$2"; }
  89         elif executable_p curl; then dl() { curl -L "$1" -o "$2"; }
  90         else die "no program to fetch remote urls found"
  91         fi
  92         dl $url $zip
  93         echo "k=$url" >$zip.past
  94     } && vecho "fresh $zip"
  95     absprefix=$(cd $outd &>/dev/null; pwd -P)
  96     export PATH=$absprefix/bin:$PATH
  97     isfresh $absprefix/bin/ocamlc "$url" || (
  98         unzip -o -u -d $outd $zip
  99         bn=$(basename $url)
 100         cd $outd/ocaml-${bn%.zip}
 101         ./configure -prefix $absprefix                                      \
 102                     -no-graph -no-debugger -no-ocamldoc -no-native-compiler
 103         make -j $mjobs world
 104         make install
 105         echo "k='$url'" >$absprefix/bin/ocamlc.past
 106     ) && vecho "fresh ocamlc"
 107     overs=$(ocamlc --version 2>/dev/null) || overs="0.0.0"
 108     oversnum=$(echo $overs | { IFS=. read a b _; echo $a$b; })
 109 }
 110
 111 bocaml1() {
 112     local n=$1
 113     local s="$2"
 114     local o="$3"
 115     local O=${4-}
 116     local dd
 117
 118     local cmd="ocamlc -depend -bytecode -one-line $incs $s"
 119     local keycmd="digest $o $s"
 120     isfresh "$o.depl" "$overs$cmd$(eval $keycmd)" || {
 121         eval "$cmd" | {
 122             read _ _ depl
 123             :>"$o.depl"
 124             for d in $depl; do
 125                 local D=${d#$srcd/}
 126                 test "$O" = "$D" || {
 127                     bocaml "$D" $((n+1))
 128                     case $d in
 129                         $outd/*) dd=$d;;
 130                         *) dd=$outd/${d#$srcd/};;
 131                     esac
 132                     printf "$dd " >>"$o.depl"
 133                 }
 134             done
 135         } || die "$cmd failed"
 136         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.depl.past"
 137     } && {
 138         vecho "fresh $o.depl"
 139         for d in $(< $o.depl); do
 140             test $d = "$outd/help.cmo" && dd=$d || dd=${d#$outd/}
 141             bocaml $dd $((n+1))
 142         done
 143     }
 144
 145     cmd="ocamlc $(oflags $o) -c -o $o $s"
 146     keycmd="digest $o $s $(< $o.depl)"
 147     grep -q "$o" $outd/ordered || {
 148         echo "$o" >>"$outd/ordered"
 149         isfresh "$o" "$overs$cmd$(eval $keycmd)" || {
 150             printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
 151             eval "$cmd || die '$cmd failed'"
 152             echo "k='$overs$cmd$(eval $keycmd)'" >"$o.past"
 153         } && vecho "fresh '$o'"
 154     }
 155 }
 156
 157 bocaml() (
 158     local o="$1"
 159     local n="$2"
 160     local wocmi="${o%.cmi}"
 161     local s
 162     case ${wocmi#$outd/} in
 163         help.cmo)
 164             s=$outd/help.ml
 165             o=$outd/help.cmo
 166             ;;
 167         confstruct.cmo)
 168             s=$outd/confstruct.ml
 169             o=$outd/confstruct.cmo
 170             ;;
 171         *)
 172             test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 173             o=$outd/$o
 174             ;;
 175     esac
 176     bocaml1 $n "$s" "$o"
 177     case $wocmi in
 178         wsi) s="$srcd/$wsi/wsi.ml";;
 179         */glMisc) s="$srcd/lablGL/glMisc.ml";;
 180         */glTex) s="$srcd/lablGL/glTex.ml";;
 181         *) false;;
 182     esac && {
 183         local s1=${s#$srcd/}
 184         bocaml1 $n "$s" "$outd/${s1%.ml}.cmo" "${o#$outd/}"
 185     } || true
 186 )
 187
 188 bocamlc() {
 189     local o=$outd/$1
 190     local s=$srcd/${1%.o}.c
 191     local cmd="ocamlc -ccopt \"$(cflags $o) -MMD -MF $o.dep -MT_ -o $o\" $s"
 192     test -r $o.dep && read _ d <$o.dep || d=
 193     local keycmd='digest $o $d'
 194     isfresh "$o" "$cmd$(eval $keycmd)" || {
 195         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 196         eval "$cmd || die '$cmd failed'"
 197         read _ d <$o.dep
 198         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 199     } && vecho "fresh $o"
 200 }
 201
 202 bobjc() {
 203     local o=$outd/$1
 204     local s=$srcd/${1%.o}.m
 205     local cmd="$mcomp $(mflags $o) -MMD -MF $o.dep -MT_ -c -o $o $s"
 206     test -r $o.dep && read _ d <$o.dep || d=
 207     local keycmd='digest $o $d'
 208     isfresh "$o" "$cmd$(eval $keycmd)" || {
 209         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 210         eval "$cmd || die '$cmd failed'"
 211         read _ d <$o.dep
 212         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 213     } && vecho "fresh $o"
 214 }
 215
 216 mkhelp() {
 217     ocaml str.cma -stdin $srcd/KEYS <<EOF
 218 let fixup = let open Str in
 219   let dash = regexp {|\([^ ]*\) +- +\(.*\)|}
 220   and head = regexp {|-----\(.*\)-----|} in fun s ->
 221   String.escaped s |> global_replace dash {|\1\t\2|}
 222                    |> global_replace head {|\xc2\xb7\1|};;
 223 let rec iter ic = match input_line ic with
 224 | s -> Printf.printf "\"%s\";\\n" @@ fixup s; iter ic
 225 | exception End_of_file -> ();;
 226 Printf.printf "let keys = [\\n";
 227 iter @@ open_in Sys.argv.(1);;
 228 Printf.printf "] and version = \"$ver\";;"
 229 EOF
 230 }
 231
 232 ver=$(cd $srcd && git describe --tags --dirty) || ver=unknown
 233 cmd="mkhelp >$outd/help.ml # $ver"
 234 keycmd="digest $outd/help.ml $srcd/KEYS # $ver"
 235 isfresh "$outd/help.ml" "$cmd$(eval $keycmd)" || {
 236     vecho mkhelp
 237     eval "$cmd || die mkhelp failed"
 238     echo "k='$cmd$(eval $keycmd)'" >"$outd/help.ml.past"
 239 } && vecho "fresh $outd/help.ml"
 240
 241 cmd="zsh $srcd/genconfstr.sh >$outd/confstruct.ml"
 242 keycmd="digest $srcd/genconfstr.sh $outd/confstruct.ml"
 243 isfresh "$outd/confstruct.ml" "$cmd$(eval $keycmd)" || {
 244     vecho genconfstr
 245     eval "$cmd || die genconfstr.sh failed"
 246     echo "k='$cmd$(eval $keycmd)'" > "$outd/confstruct.ml.past"
 247 } && vecho "fresh $outd/confstruct.ml"
 248
 249 shift 1
 250 for target; do
 251     case "$target" in
 252         doc)
 253             doct=${doct-manpage}
 254             md=$outd/doc
 255             mkdir -p $md
 256             case $doct in
 257                 epub) suf=.epub;;
 258                 manpage) suf=.1;;
 259                 *) die "unknown doc type";;
 260             esac
 261             for m in llpp llppac llpphtml; do
 262                 src=$srcd/adoc/$m.adoc
 263                 out=$md/$m$suf
 264                 conf="$srcd/man/asciidoc.conf"
 265                 keycmd="digest $out $src $conf"
 266                 cmd="a2x -D $md -d manpage -f $doct $src"
 267                 isfresh "$out" "$cmd$(eval $keycmd)" || {
 268                     echo "$src -> $out"
 269                     eval "$cmd || die '$cmd failed'"
 270                     echo "k='$cmd$(eval $keycmd)'" >"$out.past"
 271                 } && vecho "fresh manual pages"
 272             done;;
 273
 274         completions) die "not yet";;
 275
 276         *) die "no clue - '$target'";;
 277     esac
 278 done
 279
 280 bocaml main.cmo 0
 281
 282 cobjs="$outd/link.o $outd/cutils.o"
 283 bocamlc link.o
 284 bocamlc cutils.o
 285
 286 libs="str.cma unix.cma"
 287 clibs="-L$mudir/build/native -lmupdf -lmupdf-third -lpthread"
 288 if $darwin; then
 289     mcomp=$(ocamlc -config | grep bytecomp_c_co | { read _ c; echo $c; })
 290     clibs="$clibs -framework Cocoa -framework OpenGL"
 291     bobjc wsi/osx/wsicocoa.o
 292     cobjs="$cobjs $outd/wsi/osx/wsicocoa.o"
 293 else
 294     clibs="$clibs -lGL -lX11"
 295     cobjs="$cobjs $outd/wsi/x11/keysym2ucs.o"
 296     bocamlc wsi/x11/keysym2ucs.o
 297 fi
 298
 299 globjs=
 300 for f in ml_gl ml_glarray ml_raw; do
 301     bocamlc lablGL/$f.o
 302     globjs="$globjs $outd/lablGL/$f.o"
 303 done
 304
 305 ord=$(grep -v \.cmi $outd/ordered)
 306 cmd="ocamlc -custom $libs -o $outd/llpp $cobjs $ord"
 307 cmd=$(echo $cmd $globjs -cclib \"$clibs\")
 308 keycmd="digest $outd/llpp $cobjs $ord $mulibs"
 309 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 310     echo linking $outd/llpp
 311     eval "$cmd || die $cmd failed"
 312     echo "k='$cmd$(eval $keycmd)'" >"$outd/llpp.past"
 313 } && vecho "fresh llpp"
 314
 315 if $darwin; then
 316     out="$outd/llpp.app/Contents/Info.plist"
 317     keycmd="digest $out $srcd/genplist.sh"
 318     isfresh $out "$(eval $keycmd)" || {
 319         shortver=$(echo $ver | { IFS='-' read s _; echo ${s#v}; })
 320         d=$(dirname $out)
 321         mkdir -p "$d"
 322         . $srcd/genplist.sh >"$out"
 323         echo "k=$(eval $keycmd)" >"$out.past"
 324     } && vecho "fresh plist"
 325
 326     out=$outd/llpp.app/Contents/MacOS/llpp
 327     keycmd="digest $out $outd/llpp"
 328     isfresh $out "$(eval $keycmd)" || {
 329         mkdir -p "$(dirname $out)"
 330         cp $outd/llpp $out
 331         echo "k=$(eval $keycmd)" >"$out.past"
 332     } && vecho "fresh bundle"
 333 fi