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" && . "$1.past" && test "$k" = "$2"; }
  38
  39 mbt=native
  40 mulibs="$mudir/build/$mbt/libmupdf.a" # $mudir/build/$mbt/libmupdf-third.a
  41
  42 keycmd="(cd $mudir && make -q build=$mbt libs && echo); 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     ! $darwin || f="$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 "$overs" = "4.08" || {
  94     url=https://caml.inria.fr/pub/distrib/ocaml-4.08/ocaml-4.08.0+rc2\x01.tar.xz
  95     txz=$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 $txz
 103         echo "k=$url" >$txz.past
 104     } && vecho "fresh $txz"
 105     absprefix=$(cd $outd &>/dev/null; pwd -P)
 106     export PATH=$absprefix/bin:$PATH
 107     isfresh $absprefix/bin/ocamlc "$url" || (
 108         tar xf $txz -C $outd
 109         bn=$(basename $url)
 110         cd $outd/${bn%.tar.xz}
 111         ./configure --disable-vmthreads --disable-graph-lib \
 112                     --disable-ocamldoc --enable-debugger=no \
 113                     --disable-flat-float-array              \
 114                     --prefix=$absprefix
 115         make -j $mjobs world
 116         make install
 117         echo "k='$url'" >$absprefix/bin/ocamlc.past
 118     ) && vecho "fresh ocamlc"
 119     overs=$(ocamlc -vnum 2>/dev/null)
 120 }
 121
 122 bocaml1() {
 123     grep -q "$3" $outd/ordered || {
 124         bocaml2 $*
 125         echo "$3" >>"$outd/ordered"
 126     }
 127 }
 128
 129 bocaml2() {
 130     local n=$1
 131     local s="$2"
 132     local o="$3"
 133     local O=${4-}
 134     local dd
 135
 136     local cmd="ocamlc -depend -bytecode -one-line $(oincs $o) $s"
 137     local keycmd="digest $o $s"
 138     isfresh "$o.depl" "$overs$cmd$(eval $keycmd)" || {
 139         eval "$cmd || die '$cmd' failed" | {
 140             read _ _ depl
 141             :>"$o.depl"
 142             for d in $depl; do
 143                 local D=${d#$srcd/}
 144                 test "$O" = "$D" || {
 145                     bocaml "$D" $((n+1))
 146                     case $d in
 147                         $outd/*) dd=$d;;
 148                         *) dd=$outd/${d#$srcd/};;
 149                     esac
 150                     printf "$dd " >>"$o.depl"
 151                 }
 152             done
 153         } || die "$cmd failed"
 154         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.depl.past"
 155     } && {
 156         vecho "fresh $o.depl"
 157         for d in $(< $o.depl); do
 158             bocaml ${d#$outd/} $((n+1))
 159         done
 160     }
 161
 162     cmd="ocamlc $(oflags $o) -c -o $o $s"
 163     keycmd="digest $o $s $(< $o.depl)"
 164     isfresh "$o" "$overs$cmd$(eval $keycmd)" || {
 165         printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
 166         eval "$cmd || die '$cmd failed'"
 167         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.past"
 168     } && vecho "fresh '$o'"
 169 }
 170
 171 cycle=
 172 bocaml() (
 173     local o="$1"
 174     local n="$2"
 175     local wocmi="${o%.cmi}"
 176     local s
 177     local cycle1=$cycle
 178     case ${wocmi#$outd/} in
 179         confstruct.cmo)
 180             s=$outd/confstruct.ml
 181             o=$outd/confstruct.cmo;;
 182         *)
 183             test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 184             o=$outd/$o;;
 185     esac
 186     expr >/dev/null "$cycle" : ".*$o" && die cycle $o || cycle="$cycle$o"
 187     bocaml1 $n "$s" "$o"
 188     case $wocmi in
 189         wsi) s="$srcd/$wsid/wsi.ml";;
 190         help) s="$srcd/help.ml";;
 191         */glMisc) s="$srcd/lablGL/glMisc.ml";;
 192         */glTex) s="$srcd/lablGL/glTex.ml";;
 193         *) false;;
 194     esac && {
 195         local s1=${s#$srcd/}
 196         bocaml1 $n "$s" "$outd/${s1%.ml}.cmo" "${o#$outd/}"
 197     } || true
 198     cycle=$cycle1
 199 )
 200
 201 bocamlc() {
 202     local o=$outd/$1
 203     local s=$srcd/${1%.o}.c
 204     local cc=${LLPP_CC:+-cc $LLPP_CC }
 205     local cmd="ocamlc $cc-ccopt \"$(cflags $o) -MMD -MF $o.dep -MT_ -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 $o"
 214 }
 215
 216 bobjc() {
 217     local o=$outd/$1
 218     local s=$srcd/${1%.o}.m
 219     local cmd="$mcomp $(mflags $o) -MD -MF $o.dep -MT_ -c -o $o $s"
 220     test -r $o.dep && read _ d <$o.dep || d=
 221     local keycmd='digest $o $d'
 222     isfresh "$o" "$cmd$(eval $keycmd)" || {
 223         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 224         eval "$cmd || die '$cmd failed'"
 225         read _ d <$o.dep
 226         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 227     } && vecho "fresh $o"
 228 }
 229
 230 ver=$(cd $srcd && git describe --tags --dirty) || ver=unknown
 231
 232 cmd="(. $srcd/genconfstr.sh >$outd/confstruct.ml)"
 233 keycmd="digest $srcd/genconfstr.sh $outd/confstruct.ml"
 234 isfresh "$outd/confstruct.ml" "$cmd$(eval $keycmd)" || {
 235     echo "generating $outd/confstruct.ml"
 236     eval "$cmd || die genconfstr.sh failed"
 237     echo "k='$cmd$(eval $keycmd)'" > "$outd/confstruct.ml.past"
 238 } && vecho "fresh $outd/confstruct.ml"
 239
 240 shift 1
 241 for target; do
 242     case "$target" in
 243         doc)
 244             doct=${doct-manpage}
 245             md=$outd/doc
 246             mkdir -p $md
 247             case $doct in
 248                 epub) suf=.epub;;
 249                 manpage) suf=.1;;
 250                 *) die "unknown doc type";;
 251             esac
 252             for m in llpp llppac llpphtml; do
 253                 src=$srcd/adoc/$m.adoc
 254                 out=$md/$m$suf
 255                 conf="$srcd/man/asciidoc.conf"
 256                 keycmd="digest $out $src $conf"
 257                 cmd="a2x -D $md -d manpage -f $doct $src"
 258                 isfresh "$out" "$cmd$(eval $keycmd)" || {
 259                     echo "$src -> $out"
 260                     eval "$cmd || die '$cmd failed'"
 261                     echo "k='$cmd$(eval $keycmd)'" >"$out.past"
 262                 } && vecho "fresh $out"
 263             done;;
 264
 265         completions) die "not yet";;
 266
 267         *) die "no clue - '$target'";;
 268     esac
 269 done
 270
 271 bocaml main.cmo 0
 272
 273 cobjs=
 274 for m in link cutils version; do
 275     bocamlc $m.o
 276     cobjs="$cobjs $outd/$m.o"
 277 done
 278 for m in ml_gl ml_glarray ml_raw; do
 279     bocamlc lablGL/$m.o
 280     cobjs="$cobjs $outd/lablGL/$m.o"
 281 done
 282
 283 libs="str.cma unix.cma"
 284 clibs="-L$mudir/build/$mbt -lmupdf -lmupdf-third -lpthread"
 285 if $darwin; then
 286     mcomp=$(ocamlc -config | grep bytecomp_c_co | { read _ c; echo $c; })
 287     clibs="$clibs -framework Cocoa -framework OpenGL"
 288     cobjs="$cobjs $outd/wsi/cocoa/cocoa.o"
 289     bobjc wsi/cocoa/cocoa.o
 290 else
 291     clibs="$clibs -lGL -lX11"
 292     cobjs="$cobjs $outd/wsi/x11/keysym2ucs.o $outd/wsi/x11/xlib.o"
 293     bocamlc wsi/x11/keysym2ucs.o
 294     bocamlc wsi/x11/xlib.o
 295 fi
 296
 297 ord=$(grep -v \.cmi $outd/ordered)
 298 cmd="ocamlc -custom $libs -o $outd/llpp $cobjs $(echo $ord) -cclib \"$clibs\""
 299 keycmd="digest $outd/llpp $cobjs $ord $mulibs"
 300 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 301     echo linking $outd/llpp
 302     eval "$cmd || die '$cmd failed'"
 303     echo "k='$cmd$(eval $keycmd)'" >"$outd/llpp.past"
 304 } && vecho "fresh llpp"
 305
 306 if $darwin; then
 307     out="$outd/llpp.app/Contents/Info.plist"
 308     keycmd="digest $out $srcd/wsi/cocoa/genplist.sh; echo $ver"
 309     isfresh $out "$(eval $keycmd)" || {
 310         d=$(dirname $out)
 311         mkdir -p "$d"
 312         echo "generating $out"
 313         (. $srcd/wsi/cocoa/genplist.sh) >"$out"
 314         echo "k='$(eval $keycmd)'" >"$out.past"
 315     } && vecho "fresh plist"
 316
 317     out=$outd/llpp.app/Contents/MacOS/llpp
 318     keycmd="digest $out $outd/llpp"
 319     isfresh $out "$(eval $keycmd)" || {
 320         echo "bundling $out"
 321         mkdir -p "$(dirname $out)"
 322         cp $outd/llpp $out
 323         echo "k='$(eval $keycmd)'" >"$out.past"
 324     } && vecho "fresh bundle"
 325 fi