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 $* | while read h _; do printf $h; done; }
   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() { test -r "$1.past" && . "$1.past" && test "$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         config.cmo                              \
  57         | glutils.cmo                           \
  58         | help.cmo                              \
  59         | keys.cmo                              \
  60         | listview.cmo                          \
  61         | main.cmo                              \
  62         | parser.cmo                            \
  63         | utf8syms.cmo                          \
  64         | utils.cmo                             \
  65         | $wsi/wsi.cmo)         # XXX confstruct?
  66             f="-g -strict-sequence -strict-formats -w @A";;
  67         *) f="-g";;
  68     esac
  69     echo "$incs $f"
  70 }
  71
  72 cflags() {
  73     f="-g -std=c99 -O2 $muinc -Wall -Werror -Wextra -pedantic-errors"
  74     case "${1#$outd/}" in
  75         version.o) f='-DLLPP_VERSION="'$ver'"';;
  76         link.o)
  77             $darwin && f="$f -D__COCOA__ -D_GNU_SOURCE" \
  78                     || f="$f -D_POSIX_C_SOURCE" ;;
  79         */keysym2ucs.o) f="-O2 -include inttypes.h -DKeySym=uint32_t";;
  80         */ml_*.o) f="-g -Wno-pointer-sign -O2";;
  81         *) f="-g -O2";;
  82     esac
  83     echo $f
  84 }
  85
  86 mflags() { echo "-I $(ocamlc -where) -g -Wall -Werror -Wno-deprecated -O2"; }
  87
  88 incs="-I $srcd/lablGL -I $srcd/$wsi -I $srcd"
  89 incs="$incs -I $outd/lablGL -I $outd/$wsi -I $outd"
  90
  91 overs="$(ocamlc -vnum 2>/dev/null)" || overs=""
  92 test $overs = 4.06.1 || {
  93     url=http://caml.inria.fr/pub/distrib/ocaml-4.06/ocaml-4.06.1.tar.xz
  94     txz=$outd/$(basename $url)
  95     isfresh $txz $url || {
  96         executable_p() { command -v "$1" >/dev/null 2>&1; }
  97         if executable_p wget; then dl() { wget -q "$1" -O "$2"; }
  98         elif executable_p curl; then dl() { curl -L "$1" -o "$2"; }
  99         else die "no program to fetch remote urls found"
 100         fi
 101         dl $url $txz
 102         echo "k=$url" >$txz.past
 103     } && vecho "fresh $txz"
 104     absprefix=$(cd $outd &>/dev/null; pwd -P)
 105     export PATH=$absprefix/bin:$PATH
 106     isfresh $absprefix/bin/ocamlc "$url" || (
 107         tar xf $txz -C $outd
 108         bn=$(basename $url)
 109         cd $outd/${bn%.tar.xz}
 110         ./configure -prefix $absprefix                                      \
 111                     -no-graph -no-debugger -no-ocamldoc -no-native-compiler
 112         make -j $mjobs world
 113         make install
 114         echo "k='$url'" >$absprefix/bin/ocamlc.past
 115     ) && vecho "fresh ocamlc"
 116     overs=$(ocamlc -vnum 2>/dev/null)
 117 }
 118
 119 bocaml1() {
 120     grep -q "$3" $outd/ordered || {
 121         bocaml2 $*
 122         echo "$3" >>"$outd/ordered"
 123     }
 124 }
 125
 126 bocaml2() {
 127     local n=$1
 128     local s="$2"
 129     local o="$3"
 130     local O=${4-}
 131     local dd
 132
 133     local cmd="ocamlc -depend -bytecode -one-line $incs $s"
 134     local keycmd="digest $o $s"
 135     isfresh "$o.depl" "$overs$cmd$(eval $keycmd)" || {
 136         eval "$cmd" | {
 137             read _ _ depl
 138             :>"$o.depl"
 139             for d in $depl; do
 140                 local D=${d#$srcd/}
 141                 test "$O" = "$D" || {
 142                     bocaml "$D" $((n+1))
 143                     case $d in
 144                         $outd/*) dd=$d;;
 145                         *) dd=$outd/${d#$srcd/};;
 146                     esac
 147                     printf "$dd " >>"$o.depl"
 148                 }
 149             done
 150         } || die "$cmd failed"
 151         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.depl.past"
 152     } && {
 153         vecho "fresh $o.depl"
 154         for d in $(< $o.depl); do
 155             bocaml ${d#$outd/} $((n+1))
 156         done
 157     }
 158
 159     cmd="ocamlc $(oflags $o) -c -o $o $s"
 160     keycmd="digest $o $s $(< $o.depl)"
 161     isfresh "$o" "$overs$cmd$(eval $keycmd)" || {
 162         printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
 163         eval "$cmd || die '$cmd failed'"
 164         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.past"
 165     } && vecho "fresh '$o'"
 166 }
 167
 168 bocaml() (
 169     local o="$1"
 170     local n="$2"
 171     local wocmi="${o%.cmi}"
 172     local s
 173     case ${wocmi#$outd/} in
 174         confstruct.cmo)
 175             s=$outd/confstruct.ml
 176             o=$outd/confstruct.cmo
 177             ;;
 178         *)
 179             test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 180             o=$outd/$o
 181             ;;
 182     esac
 183     bocaml1 $n "$s" "$o"
 184     case $wocmi in
 185         wsi) s="$srcd/$wsi/wsi.ml";;
 186         help) s="$srcd/help.ml";;
 187         */glMisc) s="$srcd/lablGL/glMisc.ml";;
 188         */glTex) s="$srcd/lablGL/glTex.ml";;
 189         *) false;;
 190     esac && {
 191         local s1=${s#$srcd/}
 192         bocaml1 $n "$s" "$outd/${s1%.ml}.cmo" "${o#$outd/}"
 193     } || true
 194 )
 195
 196 bocamlc() {
 197     local o=$outd/$1
 198     local s=$srcd/${1%.o}.c
 199     local cmd="ocamlc -ccopt \"$(cflags $o) -MMD -MF $o.dep -MT_ -o $o\" $s"
 200     test -r $o.dep && read _ d <$o.dep || d=
 201     local keycmd='digest $o $d'
 202     isfresh "$o" "$cmd$(eval $keycmd)" || {
 203         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 204         eval "$cmd || die '$cmd failed'"
 205         read _ d <$o.dep
 206         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 207     } && vecho "fresh $o"
 208 }
 209
 210 bobjc() {
 211     local o=$outd/$1
 212     local s=$srcd/${1%.o}.m
 213     local cmd="$mcomp $(mflags $o) -MMD -MF $o.dep -MT_ -c -o $o $s"
 214     test -r $o.dep && read _ d <$o.dep || d=
 215     local keycmd='digest $o $d'
 216     isfresh "$o" "$cmd$(eval $keycmd)" || {
 217         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 218         eval "$cmd || die '$cmd failed'"
 219         read _ d <$o.dep
 220         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 221     } && vecho "fresh $o"
 222 }
 223
 224 ver=$(cd $srcd && git describe --tags --dirty) || ver=unknown
 225
 226 cmd="(. $srcd/genconfstr.sh >$outd/confstruct.ml)"
 227 keycmd="digest $srcd/genconfstr.sh $outd/confstruct.ml"
 228 isfresh "$outd/confstruct.ml" "$cmd$(eval $keycmd)" || {
 229     echo genconfstr
 230     eval "$cmd || die genconfstr.sh failed"
 231     echo "k='$cmd$(eval $keycmd)'" > "$outd/confstruct.ml.past"
 232 } && vecho "fresh $outd/confstruct.ml"
 233
 234 shift 1
 235 for target; do
 236     case "$target" in
 237         doc)
 238             doct=${doct-manpage}
 239             md=$outd/doc
 240             mkdir -p $md
 241             case $doct in
 242                 epub) suf=.epub;;
 243                 manpage) suf=.1;;
 244                 *) die "unknown doc type";;
 245             esac
 246             for m in llpp llppac llpphtml; do
 247                 src=$srcd/adoc/$m.adoc
 248                 out=$md/$m$suf
 249                 conf="$srcd/man/asciidoc.conf"
 250                 keycmd="digest $out $src $conf"
 251                 cmd="a2x -D $md -d manpage -f $doct $src"
 252                 isfresh "$out" "$cmd$(eval $keycmd)" || {
 253                     echo "$src -> $out"
 254                     eval "$cmd || die '$cmd failed'"
 255                     echo "k='$cmd$(eval $keycmd)'" >"$out.past"
 256                 } && vecho "fresh $out"
 257             done;;
 258
 259         completions) die "not yet";;
 260
 261         *) die "no clue - '$target'";;
 262     esac
 263 done
 264
 265 bocaml main.cmo 0
 266
 267 cobjs=
 268 for m in link cutils version; do
 269     bocamlc $m.o
 270     cobjs="$cobjs $outd/$m.o"
 271 done
 272 for m in ml_gl ml_glarray ml_raw; do
 273     bocamlc lablGL/$m.o
 274     cobjs="$cobjs $outd/lablGL/$m.o"
 275 done
 276
 277
 278 libs="str.cma unix.cma"
 279 clibs="-L$mudir/build/native -lmupdf -lmupdf-third -lpthread"
 280 if $darwin; then
 281     mcomp=$(ocamlc -config | grep bytecomp_c_co | { read _ c; echo $c; })
 282     clibs="$clibs -framework Cocoa -framework OpenGL"
 283     bobjc wsi/osx/wsicocoa.o
 284     cobjs="$cobjs $outd/wsi/osx/wsicocoa.o"
 285 else
 286     clibs="$clibs -lGL -lX11"
 287     cobjs="$cobjs $outd/wsi/x11/keysym2ucs.o"
 288     bocamlc wsi/x11/keysym2ucs.o
 289 fi
 290
 291 ord=$(grep -v \.cmi $outd/ordered)
 292 cmd="ocamlc -custom $libs -o $outd/llpp $cobjs $(echo $ord) -cclib \"$clibs\""
 293 keycmd="digest $outd/llpp $cobjs $ord $mulibs"
 294 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 295     echo linking $outd/llpp
 296     eval "$cmd || die '$cmd failed'"
 297     echo "k='$cmd$(eval $keycmd)'" >"$outd/llpp.past"
 298 } && vecho "fresh llpp"
 299
 300 if $darwin; then
 301     out="$outd/llpp.app/Contents/Info.plist"
 302     keycmd="digest $out $srcd/wsi/osx/genplist.sh"
 303     isfresh $out "$(eval $keycmd)" || {
 304         shortver=$(echo $ver | { IFS='-' read s _; echo ${s#v}; })
 305         d=$(dirname $out)
 306         mkdir -p "$d"
 307         (. $srcd/wsi/osx/genplist.sh) >"$out"
 308         echo "k='$(eval $keycmd)'" >"$out.past"
 309     } && vecho "fresh plist"
 310
 311     out=$outd/llpp.app/Contents/MacOS/llpp
 312     keycmd="digest $out $outd/llpp"
 313     isfresh $out "$(eval $keycmd)" || {
 314         mkdir -p "$(dirname $out)"
 315         cp $outd/llpp $out
 316         echo "k='$(eval $keycmd)'" >"$out.past"
 317     } && vecho "fresh bundle"
 318 fi