build.bash

   1 #!/bin/bash
   2 set -eu
   3
   4 now() { date +%s; }
   5 S=$(now)
   6 vecho() { ${vecho-:} "$*"; }
   7 digest() { cksum 2>/dev/null $* | while read h _; do printf $h; done; }
   8 die() { echo "$*" >&2; exit 111; }
   9 partmsg() { echo "$(test $? -eq 0 || echo "fail ")$(($(now) - $S)) sec"; }
  10
  11 trap 'partmsg' EXIT
  12
  13 darwin=false
  14 wsid="wsi/x11"
  15 case "$(uname)" in
  16     Darwin)
  17         darwin=true
  18         wsid="wsi/cocoa"
  19         mjobs=$(getconf _NPROCESSORS_ONLN || echo 1);;
  20     Linux) mjobs=$(getconf _NPROCESSORS_ONLN || echo 1);;
  21     OpenBSD) mjobs=$(getconf NPROCESSORS_ONLN || echo 1);;
  22     *) die $(uname) is not supported;;
  23 esac
  24
  25 test -n "${1-}" || die "usage: $0 build-directory"
  26
  27 outd="$1"
  28 srcd="$(dirname $0)"
  29 mudir=$outd/mupdf
  30 muinc="-I $mudir/include -I $mudir/thirdparty/freetype/include"
  31
  32 test -d "$mudir" || die muPDF not found, consult $(dirname $0)/BUILDING
  33
  34 mkdir -p $outd/{$wsid,lablGL}
  35 :>$outd/ordered
  36
  37 isfresh() { test -r "$1.past" && . "$1.past" && test "$k" = "$2"; }
  38
  39 mbt=native
  40 mulibs="$mudir/build/$mbt/libmupdf.a" # $mudir/build/$mbt/libmupdf-third.a
  41
  42 keycmd="(cd $mudir && git describe --tags --dirty); digest $mulibs"
  43 isfresh "$mulibs" "$(eval $keycmd)" || (
  44     make -C "$mudir" build=$mbt -j $mjobs libs
  45     echo "k='$(eval $keycmd)'" >$mudir/build/$mbt/libmupdf.a.past
  46 ) && vecho "fresh mupdf"
  47
  48 oincs() {
  49     local i=
  50     local incs1=
  51     local incs=
  52     case "${1#$outd/}" in
  53         lablGL/*) incs1="$incs1 lablGL";;
  54         wsi/$wsid/*) incs1="$incs1 $wsid";;
  55         main.cmo) incs1="$incs1 $wsid lablGL";;
  56         glutils.cmo|listview.cmo) incs1="$incs1 lablGL";;
  57         *) ;;
  58     esac
  59     for i in $incs1; do
  60         incs="$incs -I $srcd/$i -I $outd/$i"
  61     done
  62     echo "-I $srcd -I $outd $incs"
  63 }
  64
  65 oflags() {
  66     case "${1#$outd/}" in
  67         lablGL/*) f="-g";;
  68         *) f="-g -strict-sequence -strict-formats -w @A";;
  69     esac
  70     echo "$(oincs $1) $f"
  71 }
  72
  73 cflags() {
  74     case "${1#$outd/}" in
  75         version.o) f='-DLLPP_VERSION="'$ver'"';;
  76         link.o)
  77             f="-g -std=c99 -O2 $muinc -Wall -Werror -Wextra -pedantic"
  78             f="$f -DCACHE_PAGEREFS -DKeySym=uint32_t"
  79             $darwin && f="$f -DCIDER -D_GNU_SOURCE" \
  80                     || f="$f -D_POSIX_C_SOURCE";;
  81         */keysym2ucs.o) f="-O2 -include inttypes.h -DKeySym=uint32_t";;
  82         */ml_*.o) f="-g -Wno-pointer-sign -O2";;
  83         *) f="-g -O2";;
  84     esac
  85     echo $f
  86 }
  87
  88 mflags() { echo "-I $(ocamlc -where) -g -Wall -Werror -O2"; }
  89
  90 overs="$(ocamlc -vnum 2>/dev/null)" || overs=""
  91 test "$overs" = "4.07.0" || {
  92     url=https://caml.inria.fr/pub/distrib/ocaml-4.07/ocaml-4.07.0+rc1.tar.xz
  93     txz=$outd/$(basename $url)
  94     isfresh $txz $url || {
  95         executable_p() { command -v "$1" >/dev/null 2>&1; }
  96         if executable_p wget; then dl() { wget -q "$1" -O "$2"; }
  97         elif executable_p curl; then dl() { curl -L "$1" -o "$2"; }
  98         else die "no program to fetch remote urls found"
  99         fi
 100         dl $url $txz
 101         echo "k=$url" >$txz.past
 102     } && vecho "fresh $txz"
 103     absprefix=$(cd $outd &>/dev/null; pwd -P)
 104     export PATH=$absprefix/bin:$PATH
 105     isfresh $absprefix/bin/ocamlc "$url" || (
 106         tar xf $txz -C $outd
 107         bn=$(basename $url)
 108         cd $outd/${bn%.tar.xz}
 109         ./configure -prefix $absprefix                                      \
 110                     -no-graph -no-debugger -no-ocamldoc -no-native-compiler
 111         make -j $mjobs world
 112         make install
 113         echo "k='$url'" >$absprefix/bin/ocamlc.past
 114     ) && vecho "fresh ocamlc"
 115     overs=$(ocamlc -vnum 2>/dev/null)
 116 }
 117
 118 bocaml1() {
 119     grep -q "$3" $outd/ordered || {
 120         bocaml2 $*
 121         echo "$3" >>"$outd/ordered"
 122     }
 123 }
 124
 125 bocaml2() {
 126     local n=$1
 127     local s="$2"
 128     local o="$3"
 129     local O=${4-}
 130     local dd
 131
 132     local cmd="ocamlc -depend -bytecode -one-line $(oincs $o) $s"
 133     local keycmd="digest $o $s"
 134     isfresh "$o.depl" "$overs$cmd$(eval $keycmd)" || {
 135         eval "$cmd || die '$cmd' failed" | {
 136             read _ _ depl
 137             :>"$o.depl"
 138             for d in $depl; do
 139                 local D=${d#$srcd/}
 140                 test "$O" = "$D" || {
 141                     bocaml "$D" $((n+1))
 142                     case $d in
 143                         $outd/*) dd=$d;;
 144                         *) dd=$outd/${d#$srcd/};;
 145                     esac
 146                     printf "$dd " >>"$o.depl"
 147                 }
 148             done
 149         } || die "$cmd failed"
 150         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.depl.past"
 151     } && {
 152         vecho "fresh $o.depl"
 153         for d in $(< $o.depl); do
 154             bocaml ${d#$outd/} $((n+1))
 155         done
 156     }
 157
 158     cmd="ocamlc $(oflags $o) -c -o $o $s"
 159     keycmd="digest $o $s $(< $o.depl)"
 160     isfresh "$o" "$overs$cmd$(eval $keycmd)" || {
 161         printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
 162         eval "$cmd || die '$cmd failed'"
 163         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.past"
 164     } && vecho "fresh '$o'"
 165 }
 166
 167 cycle=
 168 bocaml() (
 169     local o="$1"
 170     local n="$2"
 171     local wocmi="${o%.cmi}"
 172     local s
 173     local cycle1=$cycle
 174     case ${wocmi#$outd/} in
 175         confstruct.cmo)
 176             s=$outd/confstruct.ml
 177             o=$outd/confstruct.cmo;;
 178         *)
 179             test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 180             o=$outd/$o;;
 181     esac
 182     expr >/dev/null "$cycle" : ".*$o" && die cycle $o || cycle="$cycle$o"
 183     bocaml1 $n "$s" "$o"
 184     case $wocmi in
 185         wsi) s="$srcd/$wsid/wsi.ml";;
 186         help) s="$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     cycle=$cycle1
 195 )
 196
 197 bocamlc() {
 198     local o=$outd/$1
 199     local s=$srcd/${1%.o}.c
 200     local cmd="ocamlc -ccopt \"$(cflags $o) -MMD -MF $o.dep -MT_ -o $o\" $s"
 201     test -r $o.dep && read _ d <$o.dep || d=
 202     local keycmd='digest $o $d'
 203     isfresh "$o" "$cmd$(eval $keycmd)" || {
 204         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 205         eval "$cmd || die '$cmd failed'"
 206         read _ d <$o.dep
 207         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 208     } && vecho "fresh $o"
 209 }
 210
 211 bobjc() {
 212     local o=$outd/$1
 213     local s=$srcd/${1%.o}.m
 214     local cmd="$mcomp $(mflags $o) -MMD -MF $o.dep -MT_ -c -o $o $s"
 215     test -r $o.dep && read _ d <$o.dep || d=
 216     local keycmd='digest $o $d'
 217     isfresh "$o" "$cmd$(eval $keycmd)" || {
 218         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 219         eval "$cmd || die '$cmd failed'"
 220         read _ d <$o.dep
 221         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 222     } && vecho "fresh $o"
 223 }
 224
 225 ver=$(cd $srcd && git describe --tags --dirty) || ver=unknown
 226
 227 cmd="(. $srcd/genconfstr.sh >$outd/confstruct.ml)"
 228 keycmd="digest $srcd/genconfstr.sh $outd/confstruct.ml"
 229 isfresh "$outd/confstruct.ml" "$cmd$(eval $keycmd)" || {
 230     echo "generating $outd/confstruct.ml"
 231     eval "$cmd || die genconfstr.sh failed"
 232     echo "k='$cmd$(eval $keycmd)'" > "$outd/confstruct.ml.past"
 233 } && vecho "fresh $outd/confstruct.ml"
 234
 235 shift 1
 236 for target; do
 237     case "$target" in
 238         doc)
 239             doct=${doct-manpage}
 240             md=$outd/doc
 241             mkdir -p $md
 242             case $doct in
 243                 epub) suf=.epub;;
 244                 manpage) suf=.1;;
 245                 *) die "unknown doc type";;
 246             esac
 247             for m in llpp llppac llpphtml; do
 248                 src=$srcd/adoc/$m.adoc
 249                 out=$md/$m$suf
 250                 conf="$srcd/man/asciidoc.conf"
 251                 keycmd="digest $out $src $conf"
 252                 cmd="a2x -D $md -d manpage -f $doct $src"
 253                 isfresh "$out" "$cmd$(eval $keycmd)" || {
 254                     echo "$src -> $out"
 255                     eval "$cmd || die '$cmd failed'"
 256                     echo "k='$cmd$(eval $keycmd)'" >"$out.past"
 257                 } && vecho "fresh $out"
 258             done;;
 259
 260         completions) die "not yet";;
 261
 262         *) die "no clue - '$target'";;
 263     esac
 264 done
 265
 266 bocaml main.cmo 0
 267
 268 cobjs=
 269 for m in link cutils version; do
 270     bocamlc $m.o
 271     cobjs="$cobjs $outd/$m.o"
 272 done
 273 for m in ml_gl ml_glarray ml_raw; do
 274     bocamlc lablGL/$m.o
 275     cobjs="$cobjs $outd/lablGL/$m.o"
 276 done
 277
 278 libs="str.cma unix.cma"
 279 clibs="-L$mudir/build/$mbt -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     cobjs="$cobjs $outd/wsi/cocoa/cocoa.o"
 284     bobjc wsi/cocoa/cocoa.o
 285 else
 286     clibs="$clibs -lGL -lX11"
 287     cobjs="$cobjs $outd/wsi/x11/keysym2ucs.o $outd/wsi/x11/xlib.o"
 288     bocamlc wsi/x11/keysym2ucs.o
 289     bocamlc wsi/x11/xlib.o
 290 fi
 291
 292 ord=$(grep -v \.cmi $outd/ordered)
 293 cmd="ocamlc -custom $libs -o $outd/llpp $cobjs $(echo $ord) -cclib \"$clibs\""
 294 keycmd="digest $outd/llpp $cobjs $ord $mulibs"
 295 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 296     echo linking $outd/llpp
 297     eval "$cmd || die '$cmd failed'"
 298     echo "k='$cmd$(eval $keycmd)'" >"$outd/llpp.past"
 299 } && vecho "fresh llpp"
 300
 301 if $darwin; then
 302     out="$outd/llpp.app/Contents/Info.plist"
 303     keycmd="digest $out $srcd/wsi/cocoa/genplist.sh; echo $ver"
 304     isfresh $out "$(eval $keycmd)" || {
 305         d=$(dirname $out)
 306         mkdir -p "$d"
 307         echo "generating $out"
 308         (. $srcd/wsi/cocoa/genplist.sh) >"$out"
 309         echo "k='$(eval $keycmd)'" >"$out.past"
 310     } && vecho "fresh plist"
 311
 312     out=$outd/llpp.app/Contents/MacOS/llpp
 313     keycmd="digest $out $outd/llpp"
 314     isfresh $out "$(eval $keycmd)" || {
 315         echo "bundling $out"
 316         mkdir -p "$(dirname $out)"
 317         cp $outd/llpp $out
 318         echo "k='$(eval $keycmd)'" >"$out.past"
 319     } && vecho "fresh bundle"
 320 fi