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" = "$2"; }
  38
  39 mulibs="$mudir/build/native/libmupdf.a" # $mudir/build/native/libmupdf-third.a
  40 keycmd="(cd $mudir && git describe --tags --dirty); digest $mulibs"
  41 isfresh "$mulibs" "$(eval $keycmd)" || (
  42     make -C "$mudir" build=native -j $mjobs libs
  43     echo "k='$(eval $keycmd)'" >$mudir/build/native/libmupdf.a.past
  44 ) && vecho "fresh mupdf"
  45
  46 oincs() {
  47     local i=
  48     local incs1=
  49     local incs=
  50     case "${1#$outd/}" in
  51         lablGL/*) incs1="$incs1 lablGL";;
  52         wsi/$wsid/*) incs1="$incs1 $wsid";;
  53         main.cmo) incs1="$incs1 $wsid lablGL";;
  54         glutils.cmo|listview.cmo) incs1="$incs1 lablGL";;
  55         *) ;;
  56     esac
  57     for i in $incs1; do
  58         incs="$incs -I $srcd/$i -I $outd/$i"
  59     done
  60     echo "-I $srcd -I $outd $incs"
  61 }
  62
  63 oflags() {
  64     case "${1#$outd/}" in
  65         lablGL/*) f="-g";;
  66         *) f="-g -strict-sequence -strict-formats -w @A";;
  67     esac
  68     echo "$(oincs $1) $f"
  69 }
  70
  71 cflags() {
  72     case "${1#$outd/}" in
  73         version.o) f='-DLLPP_VERSION="'$ver'"';;
  74         link.o)
  75             f="-g -std=c99 -O2 $muinc -Wall -Werror -Wextra -pedantic"
  76             f="$f -DCACHE_PAGEREFS -DKeySym=uint32_t"
  77             $darwin && f="$f -DCIDER -D_GNU_SOURCE" \
  78                     || f="$f -D_POSIX_C_SOURCE";;
  79         */keysym2ucs.o) f="-O2 -include inttypes.h -DKeySym=uint32_t";;
  80         */ml_*.o) f="-g -Wno-pointer-sign -O2";;
  81         *) f="-g -O2";;
  82     esac
  83     echo $f
  84 }
  85
  86 mflags() { echo "-I $(ocamlc -where) -g -Wall -Werror -O2"; }
  87
  88 overs="$(ocamlc -vnum 2>/dev/null)" || overs=""
  89 test "$overs" = "4.06.1" || {
  90     url=http://caml.inria.fr/pub/distrib/ocaml-4.06/ocaml-4.06.1.tar.xz
  91     txz=$outd/$(basename $url)
  92     isfresh $txz $url || {
  93         executable_p() { command -v "$1" >/dev/null 2>&1; }
  94         if executable_p wget; then dl() { wget -q "$1" -O "$2"; }
  95         elif executable_p curl; then dl() { curl -L "$1" -o "$2"; }
  96         else die "no program to fetch remote urls found"
  97         fi
  98         dl $url $txz
  99         echo "k=$url" >$txz.past
 100     } && vecho "fresh $txz"
 101     absprefix=$(cd $outd &>/dev/null; pwd -P)
 102     export PATH=$absprefix/bin:$PATH
 103     isfresh $absprefix/bin/ocamlc "$url" || (
 104         tar xf $txz -C $outd
 105         bn=$(basename $url)
 106         cd $outd/${bn%.tar.xz}
 107         ./configure -prefix $absprefix                                      \
 108                     -no-graph -no-debugger -no-ocamldoc -no-native-compiler
 109         make -j $mjobs world
 110         make install
 111         echo "k='$url'" >$absprefix/bin/ocamlc.past
 112     ) && vecho "fresh ocamlc"
 113     overs=$(ocamlc -vnum 2>/dev/null)
 114 }
 115
 116 bocaml1() {
 117     grep -q "$3" $outd/ordered || {
 118         bocaml2 $*
 119         echo "$3" >>"$outd/ordered"
 120     }
 121 }
 122
 123 bocaml2() {
 124     local n=$1
 125     local s="$2"
 126     local o="$3"
 127     local O=${4-}
 128     local dd
 129
 130     local cmd="ocamlc -depend -bytecode -one-line $(oincs $o) $s"
 131     local keycmd="digest $o $s"
 132     isfresh "$o.depl" "$overs$cmd$(eval $keycmd)" || {
 133         eval "$cmd || die '$cmd' failed" | {
 134             read _ _ depl
 135             :>"$o.depl"
 136             for d in $depl; do
 137                 local D=${d#$srcd/}
 138                 test "$O" = "$D" || {
 139                     bocaml "$D" $((n+1))
 140                     case $d in
 141                         $outd/*) dd=$d;;
 142                         *) dd=$outd/${d#$srcd/};;
 143                     esac
 144                     printf "$dd " >>"$o.depl"
 145                 }
 146             done
 147         } || die "$cmd failed"
 148         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.depl.past"
 149     } && {
 150         vecho "fresh $o.depl"
 151         for d in $(< $o.depl); do
 152             bocaml ${d#$outd/} $((n+1))
 153         done
 154     }
 155
 156     cmd="ocamlc $(oflags $o) -c -o $o $s"
 157     keycmd="digest $o $s $(< $o.depl)"
 158     isfresh "$o" "$overs$cmd$(eval $keycmd)" || {
 159         printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
 160         eval "$cmd || die '$cmd failed'"
 161         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.past"
 162     } && vecho "fresh '$o'"
 163 }
 164
 165 bocaml() (
 166     local o="$1"
 167     local n="$2"
 168     local wocmi="${o%.cmi}"
 169     local s
 170     case ${wocmi#$outd/} in
 171         confstruct.cmo)
 172             s=$outd/confstruct.ml
 173             o=$outd/confstruct.cmo;;
 174         *)
 175             test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 176             o=$outd/$o;;
 177     esac
 178     bocaml1 $n "$s" "$o"
 179     case $wocmi in
 180         wsi) s="$srcd/$wsid/wsi.ml";;
 181         help) s="$srcd/help.ml";;
 182         */glMisc) s="$srcd/lablGL/glMisc.ml";;
 183         */glTex) s="$srcd/lablGL/glTex.ml";;
 184         *) false;;
 185     esac && {
 186         local s1=${s#$srcd/}
 187         bocaml1 $n "$s" "$outd/${s1%.ml}.cmo" "${o#$outd/}"
 188     } || true
 189 )
 190
 191 bocamlc() {
 192     local o=$outd/$1
 193     local s=$srcd/${1%.o}.c
 194     local cmd="ocamlc -ccopt \"$(cflags $o) -MMD -MF $o.dep -MT_ -o $o\" $s"
 195     test -r $o.dep && read _ d <$o.dep || d=
 196     local keycmd='digest $o $d'
 197     isfresh "$o" "$cmd$(eval $keycmd)" || {
 198         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 199         eval "$cmd || die '$cmd failed'"
 200         read _ d <$o.dep
 201         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 202     } && vecho "fresh $o"
 203 }
 204
 205 bobjc() {
 206     local o=$outd/$1
 207     local s=$srcd/${1%.o}.m
 208     local cmd="$mcomp $(mflags $o) -MMD -MF $o.dep -MT_ -c -o $o $s"
 209     test -r $o.dep && read _ d <$o.dep || d=
 210     local keycmd='digest $o $d'
 211     isfresh "$o" "$cmd$(eval $keycmd)" || {
 212         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 213         eval "$cmd || die '$cmd failed'"
 214         read _ d <$o.dep
 215         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 216     } && vecho "fresh $o"
 217 }
 218
 219 ver=$(cd $srcd && git describe --tags --dirty) || ver=unknown
 220
 221 cmd="(. $srcd/genconfstr.sh >$outd/confstruct.ml)"
 222 keycmd="digest $srcd/genconfstr.sh $outd/confstruct.ml"
 223 isfresh "$outd/confstruct.ml" "$cmd$(eval $keycmd)" || {
 224     echo "generating $outd/confstruct.ml"
 225     eval "$cmd || die genconfstr.sh failed"
 226     echo "k='$cmd$(eval $keycmd)'" > "$outd/confstruct.ml.past"
 227 } && vecho "fresh $outd/confstruct.ml"
 228
 229 shift 1
 230 for target; do
 231     case "$target" in
 232         doc)
 233             doct=${doct-manpage}
 234             md=$outd/doc
 235             mkdir -p $md
 236             case $doct in
 237                 epub) suf=.epub;;
 238                 manpage) suf=.1;;
 239                 *) die "unknown doc type";;
 240             esac
 241             for m in llpp llppac llpphtml; do
 242                 src=$srcd/adoc/$m.adoc
 243                 out=$md/$m$suf
 244                 conf="$srcd/man/asciidoc.conf"
 245                 keycmd="digest $out $src $conf"
 246                 cmd="a2x -D $md -d manpage -f $doct $src"
 247                 isfresh "$out" "$cmd$(eval $keycmd)" || {
 248                     echo "$src -> $out"
 249                     eval "$cmd || die '$cmd failed'"
 250                     echo "k='$cmd$(eval $keycmd)'" >"$out.past"
 251                 } && vecho "fresh $out"
 252             done;;
 253
 254         completions) die "not yet";;
 255
 256         *) die "no clue - '$target'";;
 257     esac
 258 done
 259
 260 bocaml main.cmo 0
 261
 262 cobjs=
 263 for m in link cutils version; do
 264     bocamlc $m.o
 265     cobjs="$cobjs $outd/$m.o"
 266 done
 267 for m in ml_gl ml_glarray ml_raw; do
 268     bocamlc lablGL/$m.o
 269     cobjs="$cobjs $outd/lablGL/$m.o"
 270 done
 271
 272 libs="str.cma unix.cma"
 273 clibs="-L$mudir/build/native -lmupdf -lmupdf-third -lpthread"
 274 if $darwin; then
 275     mcomp=$(ocamlc -config | grep bytecomp_c_co | { read _ c; echo $c; })
 276     clibs="$clibs -framework Cocoa -framework OpenGL"
 277     cobjs="$cobjs $outd/wsi/cocoa/cocoa.o"
 278     bobjc wsi/cocoa/cocoa.o
 279 else
 280     clibs="$clibs -lGL -lX11"
 281     cobjs="$cobjs $outd/wsi/x11/keysym2ucs.o $outd/wsi/x11/xlib.o"
 282     bocamlc wsi/x11/keysym2ucs.o
 283     bocamlc wsi/x11/xlib.o
 284 fi
 285
 286 ord=$(grep -v \.cmi $outd/ordered)
 287 cmd="ocamlc -custom $libs -o $outd/llpp $cobjs $(echo $ord) -cclib \"$clibs\""
 288 keycmd="digest $outd/llpp $cobjs $ord $mulibs"
 289 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 290     echo linking $outd/llpp
 291     eval "$cmd || die '$cmd failed'"
 292     echo "k='$cmd$(eval $keycmd)'" >"$outd/llpp.past"
 293 } && vecho "fresh llpp"
 294
 295 if $darwin; then
 296     out="$outd/llpp.app/Contents/Info.plist"
 297     keycmd="digest $out $srcd/wsi/cocoa/genplist.sh; echo $ver"
 298     isfresh $out "$(eval $keycmd)" || {
 299         d=$(dirname $out)
 300         mkdir -p "$d"
 301         echo "generating $out"
 302         (. $srcd/wsi/cocoa/genplist.sh) >"$out"
 303         echo "k='$(eval $keycmd)'" >"$out.past"
 304     } && vecho "fresh plist"
 305
 306     out=$outd/llpp.app/Contents/MacOS/llpp
 307     keycmd="digest $out $outd/llpp"
 308     isfresh $out "$(eval $keycmd)" || {
 309         echo "bundling $out"
 310         mkdir -p "$(dirname $out)"
 311         cp $outd/llpp $out
 312         echo "k='$(eval $keycmd)'" >"$out.past"
 313     } && vecho "fresh bundle"
 314 fi