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         main.cmo) incs1="$incs1 $wsid lablGL";;
  55         glutils.cmo|listview.cmo) incs1="$incs1 lablGL";;
  56         *) ;;
  57     esac
  58     for i in $incs1; do
  59         incs="$incs -I $srcd/$i -I $outd/$i"
  60     done
  61     echo "-I $srcd -I $outd $incs"
  62 }
  63
  64 oflags() {
  65     case "${1#$outd/}" in
  66         lablGL/*) f="-g";;
  67         *) f="-g -strict-sequence -strict-formats -w @A";;
  68     esac
  69     echo "$(oincs $1) $f"
  70 }
  71
  72 cflags() {
  73     case "${1#$outd/}" in
  74         version.o) f='-DLLPP_VERSION="'$ver'"';;
  75         link.o)
  76             f="-g -std=c99 -O2 $muinc -Wall -Werror -Wextra -pedantic"
  77             f="$f -DCACHE_PAGEREFS -DKeySym=uint32_t"
  78             $darwin && f="$f -DCIDER -D_GNU_SOURCE" \
  79                     || f="$f -D_POSIX_C_SOURCE";;
  80         */keysym2ucs.o) f="-O2 -include inttypes.h -DKeySym=uint32_t";;
  81         */ml_*.o) f="-g -Wno-pointer-sign -O2";;
  82         *) f="-g -O2";;
  83     esac
  84     echo $f
  85 }
  86
  87 mflags() { echo "-I $(ocamlc -where) -g -Wall -Werror -O2"; }
  88
  89 overs="$(ocamlc -vnum 2>/dev/null)" || overs=""
  90 test "$overs" = "4.07.0" || {
  91     url=https://caml.inria.fr/pub/distrib/ocaml-4.07/ocaml-4.07.0.tar.xz
  92     txz=$outd/$(basename $url)
  93     isfresh $txz $url || {
  94         executable_p() { command -v "$1" >/dev/null 2>&1; }
  95         if executable_p wget; then dl() { wget -q "$1" -O "$2"; }
  96         elif executable_p curl; then dl() { curl -L "$1" -o "$2"; }
  97         else die "no program to fetch remote urls found"
  98         fi
  99         dl $url $txz
 100         echo "k=$url" >$txz.past
 101     } && vecho "fresh $txz"
 102     absprefix=$(cd $outd &>/dev/null; pwd -P)
 103     export PATH=$absprefix/bin:$PATH
 104     isfresh $absprefix/bin/ocamlc "$url" || (
 105         tar xf $txz -C $outd
 106         bn=$(basename $url)
 107         cd $outd/${bn%.tar.xz}
 108         ./configure -prefix $absprefix                                      \
 109                     -no-graph -no-debugger -no-ocamldoc -no-native-compiler
 110         make -j $mjobs world
 111         make install
 112         echo "k='$url'" >$absprefix/bin/ocamlc.past
 113     ) && vecho "fresh ocamlc"
 114     overs=$(ocamlc -vnum 2>/dev/null)
 115 }
 116
 117 bocaml1() {
 118     grep -q "$3" $outd/ordered || {
 119         bocaml2 $*
 120         echo "$3" >>"$outd/ordered"
 121     }
 122 }
 123
 124 bocaml2() {
 125     local n=$1
 126     local s="$2"
 127     local o="$3"
 128     local O=${4-}
 129     local dd
 130
 131     local cmd="ocamlc -depend -bytecode -one-line $(oincs $o) $s"
 132     local keycmd="digest $o $s"
 133     isfresh "$o.depl" "$overs$cmd$(eval $keycmd)" || {
 134         eval "$cmd || die '$cmd' failed" | {
 135             read _ _ depl
 136             :>"$o.depl"
 137             for d in $depl; do
 138                 local D=${d#$srcd/}
 139                 test "$O" = "$D" || {
 140                     bocaml "$D" $((n+1))
 141                     case $d in
 142                         $outd/*) dd=$d;;
 143                         *) dd=$outd/${d#$srcd/};;
 144                     esac
 145                     printf "$dd " >>"$o.depl"
 146                 }
 147             done
 148         } || die "$cmd failed"
 149         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.depl.past"
 150     } && {
 151         vecho "fresh $o.depl"
 152         for d in $(< $o.depl); do
 153             bocaml ${d#$outd/} $((n+1))
 154         done
 155     }
 156
 157     cmd="ocamlc $(oflags $o) -c -o $o $s"
 158     keycmd="digest $o $s $(< $o.depl)"
 159     isfresh "$o" "$overs$cmd$(eval $keycmd)" || {
 160         printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
 161         eval "$cmd || die '$cmd failed'"
 162         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.past"
 163     } && vecho "fresh '$o'"
 164 }
 165
 166 cycle=
 167 bocaml() (
 168     local o="$1"
 169     local n="$2"
 170     local wocmi="${o%.cmi}"
 171     local s
 172     local cycle1=$cycle
 173     case ${wocmi#$outd/} in
 174         confstruct.cmo)
 175             s=$outd/confstruct.ml
 176             o=$outd/confstruct.cmo;;
 177         *)
 178             test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 179             o=$outd/$o;;
 180     esac
 181     expr >/dev/null "$cycle" : ".*$o" && die cycle $o || cycle="$cycle$o"
 182     bocaml1 $n "$s" "$o"
 183     case $wocmi in
 184         wsi) s="$srcd/$wsid/wsi.ml";;
 185         help) s="$srcd/help.ml";;
 186         */glMisc) s="$srcd/lablGL/glMisc.ml";;
 187         */glTex) s="$srcd/lablGL/glTex.ml";;
 188         *) false;;
 189     esac && {
 190         local s1=${s#$srcd/}
 191         bocaml1 $n "$s" "$outd/${s1%.ml}.cmo" "${o#$outd/}"
 192     } || true
 193     cycle=$cycle1
 194 )
 195
 196 bocamlc() {
 197     local o=$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 "generating $outd/confstruct.ml"
 230     eval "$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 libs="str.cma unix.cma"
 278 clibs="-L$mudir/build/$mbt -lmupdf -lmupdf-third -lpthread"
 279 if $darwin; then
 280     mcomp=$(ocamlc -config | grep bytecomp_c_co | { read _ c; echo $c; })
 281     clibs="$clibs -framework Cocoa -framework OpenGL"
 282     cobjs="$cobjs $outd/wsi/cocoa/cocoa.o"
 283     bobjc wsi/cocoa/cocoa.o
 284 else
 285     clibs="$clibs -lGL -lX11"
 286     cobjs="$cobjs $outd/wsi/x11/keysym2ucs.o $outd/wsi/x11/xlib.o"
 287     bocamlc wsi/x11/keysym2ucs.o
 288     bocamlc wsi/x11/xlib.o
 289 fi
 290
 291 ord=$(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/cocoa/genplist.sh; echo $ver"
 303     isfresh $out "$(eval $keycmd)" || {
 304         d=$(dirname $out)
 305         mkdir -p "$d"
 306         echo "generating $out"
 307         (. $srcd/wsi/cocoa/genplist.sh) >"$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         echo "bundling $out"
 315         mkdir -p "$(dirname $out)"
 316         cp $outd/llpp $out
 317         echo "k='$(eval $keycmd)'" >"$out.past"
 318     } && vecho "fresh bundle"
 319 fi