build.bash

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