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