build.bash

   1 #!/bin/bash
   2 set -eu
   3
   4 now() { date +%s; }
   5 tstart=$(now)
   6 vecho() { ${vecho-:} "$*"; }
   7 digest() { cksum 2>/dev/null $* | while read h _; do printf $h; done; }
   8
   9 partmsg() {
  10     test $? -eq 0 && msg="ok" || msg="ko"
  11     echo "$msg $(($(now) - $tstart)) sec"
  12 }
  13
  14 die() {
  15     echo "$*" >&2
  16     exit 111
  17 }
  18
  19 trap 'partmsg' EXIT
  20
  21 darwin=false
  22 wsi="wsi/x11"
  23 case "$(uname)" in
  24     Darwin)
  25         darwin=true
  26         wsi="wsi/osx"
  27         mjobs=$(getconf _NPROCESSORS_ONLN || echo 1)
  28         ;;
  29     Linux) mjobs=$(getconf _NPROCESSORS_ONLN || echo 1);;
  30     OpenBSD) mjobs=$(getconf NPROCESSORS_ONLN || echo 1);;
  31     *) die $(uname) is not supported;;
  32 esac
  33
  34 test -n "${1-}" || die "usage: $0 build-directory"
  35
  36 outd="$1"
  37 srcd="$(dirname $0)"
  38 mudir=$outd/mupdf
  39 muinc="-I $mudir/include -I $mudir/thirdparty/freetype/include"
  40
  41 mkdir -p $outd/$wsi
  42 mkdir -p $outd/lablGL
  43 :>$outd/ordered
  44
  45 isfresh() { test -r "$1.past" && . "$1.past" && test "$k" = "$2"; }
  46
  47 mulibs="$mudir/build/native/libmupdf.a" # $mudir/build/native/libmupdf-third.a
  48 keycmd="(cd $mudir && git describe --tags --dirty); digest $mulibs"
  49 isfresh "$mulibs" "$(eval $keycmd)" || (
  50     make -C "$mudir" build=native -j $mjobs libs
  51     echo "k='$(eval $keycmd)'" >$mudir/build/native/libmupdf.a.past
  52 ) && vecho "fresh mupdf"
  53
  54 oflags() {
  55     case "${1#$outd/}" in
  56         lablGL/*) f="-g";;
  57         $wsi/wsi.cmo|*) f="-g -strict-sequence -strict-formats -w @A";;
  58     esac
  59     echo "$incs $f"
  60 }
  61
  62 cflags() {
  63     case "${1#$outd/}" in
  64         version.o) f='-DLLPP_VERSION="'$ver'"';;
  65         link.o)
  66             f="-g -std=c99 -O2 $muinc -Wall -Werror -Wextra -pedantic"
  67             f="$f -DCACHE_PAGEREFS"
  68             $darwin && f="$f -D__COCOA__ -D_GNU_SOURCE" \
  69                     || f="$f -D_POSIX_C_SOURCE" ;;
  70         */keysym2ucs.o) f="-O2 -include inttypes.h -DKeySym=uint32_t";;
  71         */ml_*.o) f="-g -Wno-pointer-sign -O2";;
  72         *) f="-g -O2";;
  73     esac
  74     echo $f
  75 }
  76
  77 mflags() { echo "-I $(ocamlc -where) -g -Wall -Werror -O2"; }
  78
  79 incs="-I $srcd/lablGL -I $srcd/$wsi -I $srcd"
  80 incs="$incs -I $outd/lablGL -I $outd/$wsi -I $outd"
  81
  82 overs="$(ocamlc -vnum 2>/dev/null)" || overs=""
  83 test "$overs" = "4.06.1" || {
  84     url=http://caml.inria.fr/pub/distrib/ocaml-4.06/ocaml-4.06.1.tar.xz
  85     txz=$outd/$(basename $url)
  86     isfresh $txz $url || {
  87         executable_p() { command -v "$1" >/dev/null 2>&1; }
  88         if executable_p wget; then dl() { wget -q "$1" -O "$2"; }
  89         elif executable_p curl; then dl() { curl -L "$1" -o "$2"; }
  90         else die "no program to fetch remote urls found"
  91         fi
  92         dl $url $txz
  93         echo "k=$url" >$txz.past
  94     } && vecho "fresh $txz"
  95     absprefix=$(cd $outd &>/dev/null; pwd -P)
  96     export PATH=$absprefix/bin:$PATH
  97     isfresh $absprefix/bin/ocamlc "$url" || (
  98         tar xf $txz -C $outd
  99         bn=$(basename $url)
 100         cd $outd/${bn%.tar.xz}
 101         ./configure -prefix $absprefix                                      \
 102                     -no-graph -no-debugger -no-ocamldoc -no-native-compiler
 103         make -j $mjobs world
 104         make install
 105         echo "k='$url'" >$absprefix/bin/ocamlc.past
 106     ) && vecho "fresh ocamlc"
 107     overs=$(ocamlc -vnum 2>/dev/null)
 108 }
 109
 110 bocaml1() {
 111     grep -q "$3" $outd/ordered || {
 112         bocaml2 $*
 113         echo "$3" >>"$outd/ordered"
 114     }
 115 }
 116
 117 bocaml2() {
 118     local n=$1
 119     local s="$2"
 120     local o="$3"
 121     local O=${4-}
 122     local dd
 123
 124     local cmd="ocamlc -depend -bytecode -one-line $incs $s"
 125     local keycmd="digest $o $s"
 126     isfresh "$o.depl" "$overs$cmd$(eval $keycmd)" || {
 127         eval "$cmd" | {
 128             read _ _ depl
 129             :>"$o.depl"
 130             for d in $depl; do
 131                 local D=${d#$srcd/}
 132                 test "$O" = "$D" || {
 133                     bocaml "$D" $((n+1))
 134                     case $d in
 135                         $outd/*) dd=$d;;
 136                         *) dd=$outd/${d#$srcd/};;
 137                     esac
 138                     printf "$dd " >>"$o.depl"
 139                 }
 140             done
 141         } || die "$cmd failed"
 142         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.depl.past"
 143     } && {
 144         vecho "fresh $o.depl"
 145         for d in $(< $o.depl); do
 146             bocaml ${d#$outd/} $((n+1))
 147         done
 148     }
 149
 150     cmd="ocamlc $(oflags $o) -c -o $o $s"
 151     keycmd="digest $o $s $(< $o.depl)"
 152     isfresh "$o" "$overs$cmd$(eval $keycmd)" || {
 153         printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
 154         eval "$cmd || die '$cmd failed'"
 155         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.past"
 156     } && vecho "fresh '$o'"
 157 }
 158
 159 bocaml() (
 160     local o="$1"
 161     local n="$2"
 162     local wocmi="${o%.cmi}"
 163     local s
 164     case ${wocmi#$outd/} in
 165         confstruct.cmo)
 166             s=$outd/confstruct.ml
 167             o=$outd/confstruct.cmo
 168             ;;
 169         *)
 170             test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 171             o=$outd/$o
 172             ;;
 173     esac
 174     bocaml1 $n "$s" "$o"
 175     case $wocmi in
 176         wsi) s="$srcd/$wsi/wsi.ml";;
 177         help) s="$srcd/help.ml";;
 178         */glMisc) s="$srcd/lablGL/glMisc.ml";;
 179         */glTex) s="$srcd/lablGL/glTex.ml";;
 180         *) false;;
 181     esac && {
 182         local s1=${s#$srcd/}
 183         bocaml1 $n "$s" "$outd/${s1%.ml}.cmo" "${o#$outd/}"
 184     } || true
 185 )
 186
 187 bocamlc() {
 188     local o=$outd/$1
 189     local s=$srcd/${1%.o}.c
 190     local cmd="ocamlc -ccopt \"$(cflags $o) -MMD -MF $o.dep -MT_ -o $o\" $s"
 191     test -r $o.dep && read _ d <$o.dep || d=
 192     local keycmd='digest $o $d'
 193     isfresh "$o" "$cmd$(eval $keycmd)" || {
 194         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 195         eval "$cmd || die '$cmd failed'"
 196         read _ d <$o.dep
 197         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 198     } && vecho "fresh $o"
 199 }
 200
 201 bobjc() {
 202     local o=$outd/$1
 203     local s=$srcd/${1%.o}.m
 204     local cmd="$mcomp $(mflags $o) -MMD -MF $o.dep -MT_ -c -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 "k='$cmd$(eval $keycmd)'" >"$o.past"
 212     } && vecho "fresh $o"
 213 }
 214
 215 ver=$(cd $srcd && git describe --tags --dirty) || ver=unknown
 216
 217 cmd="(. $srcd/genconfstr.sh >$outd/confstruct.ml)"
 218 keycmd="digest $srcd/genconfstr.sh $outd/confstruct.ml"
 219 isfresh "$outd/confstruct.ml" "$cmd$(eval $keycmd)" || {
 220     echo genconfstr
 221     eval "$cmd || die genconfstr.sh failed"
 222     echo "k='$cmd$(eval $keycmd)'" > "$outd/confstruct.ml.past"
 223 } && vecho "fresh $outd/confstruct.ml"
 224
 225 shift 1
 226 for target; do
 227     case "$target" in
 228         doc)
 229             doct=${doct-manpage}
 230             md=$outd/doc
 231             mkdir -p $md
 232             case $doct in
 233                 epub) suf=.epub;;
 234                 manpage) suf=.1;;
 235                 *) die "unknown doc type";;
 236             esac
 237             for m in llpp llppac llpphtml; do
 238                 src=$srcd/adoc/$m.adoc
 239                 out=$md/$m$suf
 240                 conf="$srcd/man/asciidoc.conf"
 241                 keycmd="digest $out $src $conf"
 242                 cmd="a2x -D $md -d manpage -f $doct $src"
 243                 isfresh "$out" "$cmd$(eval $keycmd)" || {
 244                     echo "$src -> $out"
 245                     eval "$cmd || die '$cmd failed'"
 246                     echo "k='$cmd$(eval $keycmd)'" >"$out.past"
 247                 } && vecho "fresh $out"
 248             done;;
 249
 250         completions) die "not yet";;
 251
 252         *) die "no clue - '$target'";;
 253     esac
 254 done
 255
 256 bocaml main.cmo 0
 257
 258 cobjs=
 259 for m in link cutils version; do
 260     bocamlc $m.o
 261     cobjs="$cobjs $outd/$m.o"
 262 done
 263 for m in ml_gl ml_glarray ml_raw; do
 264     bocamlc lablGL/$m.o
 265     cobjs="$cobjs $outd/lablGL/$m.o"
 266 done
 267
 268 libs="str.cma unix.cma"
 269 clibs="-L$mudir/build/native -lmupdf -lmupdf-third -lpthread"
 270 if $darwin; then
 271     mcomp=$(ocamlc -config | grep bytecomp_c_co | { read _ c; echo $c; })
 272     clibs="$clibs -framework Cocoa -framework OpenGL"
 273     bobjc wsi/osx/wsicocoa.o
 274     cobjs="$cobjs $outd/wsi/osx/wsicocoa.o"
 275 else
 276     clibs="$clibs -lGL -lX11"
 277     cobjs="$cobjs $outd/wsi/x11/keysym2ucs.o"
 278     bocamlc wsi/x11/keysym2ucs.o
 279 fi
 280
 281 ord=$(grep -v \.cmi $outd/ordered)
 282 cmd="ocamlc -custom $libs -o $outd/llpp $cobjs $(echo $ord) -cclib \"$clibs\""
 283 keycmd="digest $outd/llpp $cobjs $ord $mulibs"
 284 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 285     echo linking $outd/llpp
 286     eval "$cmd || die '$cmd failed'"
 287     echo "k='$cmd$(eval $keycmd)'" >"$outd/llpp.past"
 288 } && vecho "fresh llpp"
 289
 290 if $darwin; then
 291     out="$outd/llpp.app/Contents/Info.plist"
 292     keycmd="digest $out $srcd/wsi/osx/genplist.sh"
 293     isfresh $out "$(eval $keycmd)" || {
 294         shortver=$(echo $ver | { IFS='-' read s _; echo ${s#v}; })
 295         d=$(dirname $out)
 296         mkdir -p "$d"
 297         (. $srcd/wsi/osx/genplist.sh) >"$out"
 298         echo "k='$(eval $keycmd)'" >"$out.past"
 299     } && vecho "fresh plist"
 300
 301     out=$outd/llpp.app/Contents/MacOS/llpp
 302     keycmd="digest $out $outd/llpp"
 303     isfresh $out "$(eval $keycmd)" || {
 304         echo "bundling $out"
 305         mkdir -p "$(dirname $out)"
 306         cp $outd/llpp $out
 307         echo "k='$(eval $keycmd)'" >"$out.past"
 308     } && vecho "fresh bundle"
 309 fi