build.bash

   1 #!/bin/bash
   2 set -eu
   3
   4 now() { date +%s; }
   5 S=$(now)
   6 vecho() { ${vecho-:} "$*"; }
   7 digest() { cat $* | cksum; } 2>/dev/null
   8 die() { echo "$*" >&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 $1.past && test "$(<$1.past)" = "$2"; }
  38
  39 mbt=${mbt:-native}
  40 mulibs="$mudir/build/$mbt/libmupdf.a" # $mudir/build/$mbt/libmupdf-third.a
  41
  42 keycmd="(cd $mudir && make -q build=$mbt libs && echo); digest $mulibs"
  43 isfresh "$mulibs" "$(eval $keycmd)" || (
  44     make -C "$mudir" build=$mbt -j $mjobs libs
  45     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#$outd/}" in
  66         lablGL/*) f="-g";;
  67         *) f="-g -strict-sequence -strict-formats -warn-error @A";;
  68     esac
  69     echo "$(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";; # needed for fdopen
  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     ! $darwin || f="$f -DGL_SILENCE_DEPRECATION"
  85     echo $f
  86 }
  87
  88 mflags() {
  89     echo "-I $(ocamlc -where) -g -Wall -Werror -O2 -DGL_SILENCE_DEPRECATION"
  90 }
  91
  92 overs="$(ocamlc -vnum 2>/dev/null)" || overs=""
  93 test "$overs" = "4.10.0" || {
  94     url=https://caml.inria.fr/pub/distrib/ocaml-4.10/ocaml-4.10.0.tar.xz
  95     txz=$outd/$(basename $url)
  96     isfresh $txz $url || {
  97         executable_p() { command -v "$1" >/dev/null 2>&1; }
  98         if executable_p wget; then dl() { wget -q "$1" -O "$2"; }
  99         elif executable_p curl; then dl() { curl -L "$1" -o "$2"; }
 100         else die "no program to fetch remote urls found"
 101         fi
 102         dl $url $txz
 103         echo "$url" >$txz.past
 104     } && vecho "fresh $txz"
 105     absprefix=$(cd $outd &>/dev/null; pwd -P)
 106     export PATH=$absprefix/bin:$PATH
 107     ocamlc=$absprefix/bin/ocamlc
 108     keycmd="echo $url; digest $ocamlc;"
 109     isfresh $ocamlc "$(eval $keycmd)" || (
 110         tar xf $txz -C $outd
 111         bn=$(basename $url)
 112         cd $outd/${bn%.tar.xz}
 113         ./configure --disable-ocamldoc --enable-debugger=no --prefix=$absprefix
 114         make -j $mjobs world
 115         make install
 116         eval $keycmd >$absprefix/bin/ocamlc.past
 117     ) && vecho "fresh ocamlc"
 118     overs=$(ocamlc -vnum 2>/dev/null)
 119 }
 120
 121 bocaml1() {
 122     grep -q "$3" $outd/ordered || {
 123         bocaml2 $*
 124         echo "$3" >>"$outd/ordered"
 125     }
 126 }
 127
 128 bocaml2() {
 129     local n=$1
 130     local s="$2"
 131     local o="$3"
 132     local O=${4-}
 133     local dd
 134
 135     local cmd="ocamlc -depend -bytecode -one-line $(oincs $o) $s"
 136     local keycmd="digest $o $s"
 137     isfresh "$o.depl" "$overs$cmd$(eval $keycmd)" || {
 138         eval "$cmd || die '$cmd' failed" | {
 139             read _ _ depl
 140             :>"$o.depl"
 141             for d in $depl; do
 142                 local D=${d#$srcd/}
 143                 test "$O" = "$D" || {
 144                     bocaml "$D" $((n+1))
 145                     case $d in
 146                         $outd/*) dd=$d;;
 147                         *) dd=$outd/${d#$srcd/};;
 148                     esac
 149                     printf "$dd " >>"$o.depl"
 150                 }
 151             done
 152         } || die "$cmd failed"
 153         echo "$overs$cmd$(eval $keycmd)" >"$o.depl.past"
 154     } && {
 155         vecho "fresh $o.depl"
 156         for d in $(< $o.depl); do
 157             bocaml ${d#$outd/} $((n+1))
 158         done
 159     }
 160
 161     cmd="ocamlc $(oflags $o) -c -o $o $s"
 162     keycmd="digest $o $s $(< $o.depl)"
 163     isfresh "$o" "$overs$cmd$(eval $keycmd)" || {
 164         printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
 165         eval "$cmd || die '$cmd failed'"
 166         echo "$overs$cmd$(eval $keycmd)" >"$o.past"
 167     } && vecho "fresh '$o'"
 168 }
 169
 170 cycle=
 171 bocaml() (
 172     local o="$1"
 173     local n="$2"
 174     local wocmi="${o%.cmi}"
 175     local s
 176     local cycle1=$cycle
 177     case ${wocmi#$outd/} in
 178         confstruct.cmo)
 179             s=$outd/confstruct.ml
 180             o=$outd/confstruct.cmo;;
 181         *)
 182             test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 183             o=$outd/$o;;
 184     esac
 185     expr >/dev/null "$cycle" : ".*$o" && die cycle $o || cycle="$cycle$o"
 186     bocaml1 $n "$s" "$o"
 187     case $wocmi in
 188         wsi) s="$srcd/$wsid/wsi.ml";;
 189         help) s="$srcd/help.ml";;
 190         */glMisc) s="$srcd/lablGL/glMisc.ml";;
 191         */glTex) s="$srcd/lablGL/glTex.ml";;
 192         *) false;;
 193     esac && {
 194         local s1=${s#$srcd/}
 195         bocaml1 $n "$s" "$outd/${s1%.ml}.cmo" "${o#$outd/}"
 196     } || true
 197     cycle=$cycle1
 198 )
 199
 200 bocamlc() {
 201     local o=$outd/$1
 202     local s=$srcd/${1%.o}.c
 203     local cc=${LLPP_CC:+-cc $LLPP_CC }
 204     local cmd="ocamlc $cc-ccopt \"$(cflags $o) -MMD -MF $o.dep -MT_ -o $o\" $s"
 205     test -r $o.dep && read _ d <$o.dep || d=
 206     local keycmd='digest $o $d'
 207     isfresh "$o" "$cmd$(eval $keycmd)" || {
 208         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 209         eval "$cmd || die '$cmd failed'"
 210         read _ d <$o.dep
 211         echo "$cmd$(eval $keycmd)" >"$o.past"
 212     } && vecho "fresh $o"
 213 }
 214
 215 bobjc() {
 216     local o=$outd/$1
 217     local s=$srcd/${1%.o}.m
 218     local cmd="$mcomp $(mflags $o) -MD -MF $o.dep -MT_ -c -o $o $s"
 219     test -r $o.dep && read _ d <$o.dep || d=
 220     local keycmd='digest $o $d'
 221     isfresh "$o" "$cmd$(eval $keycmd)" || {
 222         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 223         eval "$cmd || die '$cmd failed'"
 224         read _ d <$o.dep
 225         echo "$cmd$(eval $keycmd)" >"$o.past"
 226     } && vecho "fresh $o"
 227 }
 228
 229 ver=$(cd $srcd && git describe --tags --dirty) || ver=unknown
 230
 231 cmd="(. $srcd/genconfstr.sh >$outd/confstruct.ml)"
 232 keycmd="digest $srcd/genconfstr.sh $outd/confstruct.ml"
 233 isfresh "$outd/confstruct.ml" "$cmd$(eval $keycmd)" || {
 234     echo "generating $outd/confstruct.ml"
 235     eval "$cmd || die genconfstr.sh failed"
 236     echo "$cmd$(eval $keycmd)" > "$outd/confstruct.ml.past"
 237 } && vecho "fresh $outd/confstruct.ml"
 238
 239 shift 1
 240 for target; do
 241     case "$target" in
 242         doc)
 243             doct=${doct-manpage}
 244             md=$outd/doc
 245             mkdir -p $md
 246             case $doct in
 247                 epub) suf=.epub;;
 248                 manpage) suf=.1;;
 249                 *) die "unknown doc type";;
 250             esac
 251             for m in llpp llppac llpphtml; do
 252                 src=$srcd/adoc/$m.adoc
 253                 out=$md/$m$suf
 254                 conf="$srcd/man/asciidoc.conf"
 255                 keycmd="digest $out $src $conf"
 256                 cmd="a2x -D $md -d manpage -f $doct $src"
 257                 isfresh "$out" "$cmd$(eval $keycmd)" || {
 258                     echo "$src -> $out"
 259                     eval "$cmd || die '$cmd failed'"
 260                     echo "$cmd$(eval $keycmd)" >"$out.past"
 261                 } && vecho "fresh $out"
 262             done;;
 263
 264         completions) die "not yet";;
 265
 266         *) die "no clue - '$target'";;
 267     esac
 268 done
 269
 270 bocaml main.cmo 0
 271
 272 cobjs=
 273 for m in link cutils version; do
 274     bocamlc $m.o
 275     cobjs="$cobjs $outd/$m.o"
 276 done
 277 for m in ml_gl ml_glarray ml_raw; do
 278     bocamlc lablGL/$m.o
 279     cobjs="$cobjs $outd/lablGL/$m.o"
 280 done
 281
 282 libs="str.cma unix.cma"
 283 clibs="-L$mudir/build/$mbt -lmupdf -lmupdf-third -lpthread"
 284 if $darwin; then
 285     mcomp=$(ocamlc -config | grep bytecomp_c_co | { read _ c; echo $c; })
 286     clibs="$clibs -framework Cocoa -framework OpenGL"
 287     cobjs="$cobjs $outd/wsi/cocoa/cocoa.o"
 288     bobjc wsi/cocoa/cocoa.o
 289 else
 290     clibs="$clibs -lGL -lX11"
 291     cobjs="$cobjs $outd/wsi/x11/keysym2ucs.o $outd/wsi/x11/xlib.o"
 292     bocamlc wsi/x11/keysym2ucs.o
 293     bocamlc wsi/x11/xlib.o
 294 fi
 295
 296 ord=$(grep -v \.cmi $outd/ordered)
 297 cmd="ocamlc -custom $libs -o $outd/llpp $cobjs $(echo $ord) -cclib \"$clibs\""
 298 keycmd="digest $outd/llpp $cobjs $ord $mulibs"
 299 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 300     echo linking $outd/llpp
 301     eval "$cmd || die '$cmd failed'"
 302     echo "$cmd$(eval $keycmd)" >"$outd/llpp.past"
 303 } && vecho "fresh llpp"
 304
 305 if $darwin; then
 306     out="$outd/llpp.app/Contents/Info.plist"
 307     keycmd="digest $out $srcd/wsi/cocoa/genplist.sh; echo $ver"
 308     isfresh $out "$(eval $keycmd)" || {
 309         d=$(dirname $out)
 310         mkdir -p "$d"
 311         echo "generating $out"
 312         (. $srcd/wsi/cocoa/genplist.sh) >"$out"
 313         eval $keycmd>"$out.past"
 314     } && vecho "fresh plist"
 315
 316     out=$outd/llpp.app/Contents/MacOS/llpp
 317     keycmd="digest $out $outd/llpp"
 318     isfresh $out "$(eval $keycmd)" || {
 319         echo "bundling $out"
 320         mkdir -p "$(dirname $out)"
 321         cp $outd/llpp $out
 322         eval $keycmd>"$out.past"
 323     } && vecho "fresh bundle"
 324 fi