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         config.cmo                              \
  57         | glutils.cmo                           \
  58         | help.cmo                              \
  59         | keys.cmo                              \
  60         | listview.cmo                          \
  61         | main.cmo                              \
  62         | parser.cmo                            \
  63         | unisyms.cmo                           \
  64         | utils.cmo                             \
  65         | $wsi/wsi.cmo)         # XXX confstruct?
  66             f="-g -strict-sequence -strict-formats -w @A";;
  67         *) f="-g";;
  68     esac
  69     echo "$incs $f"
  70 }
  71
  72 cflags() {
  73     f="-g -std=c99 -O2 $muinc -Wall -Werror -Wextra -pedantic-errors"
  74     case "${1#$outd/}" in
  75         version.o) f='-DLLPP_VERSION="'$ver'"';;
  76         link.o)
  77             $darwin && f="$f -D__COCOA__ -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 -O2"; }
  87
  88 incs="-I $srcd/lablGL -I $srcd/$wsi -I $srcd"
  89 incs="$incs -I $outd/lablGL -I $outd/$wsi -I $outd"
  90
  91 overs="$(ocamlc --version 2>/dev/null)" || overs="0.0.0"
  92 oversnum="$(echo $overs | { IFS=. read a b _; echo $a$b; })"
  93
  94 test $oversnum -ge 406 || {
  95     url=http://caml.inria.fr/pub/distrib/ocaml-4.06/ocaml-4.06.1.tar.xz
  96     txz=$outd/$(basename $url)
  97     isfresh $txz $url || {
  98         executable_p() { command -v "$1" >/dev/null 2>&1; }
  99         if executable_p wget; then dl() { wget -q "$1" -O "$2"; }
 100         elif executable_p curl; then dl() { curl -L "$1" -o "$2"; }
 101         else die "no program to fetch remote urls found"
 102         fi
 103         dl $url $txz
 104         echo "k=$url" >$txz.past
 105     } && vecho "fresh $txz"
 106     absprefix=$(cd $outd &>/dev/null; pwd -P)
 107     export PATH=$absprefix/bin:$PATH
 108     isfresh $absprefix/bin/ocamlc "$url" || (
 109         tar xf $txz -C $outd
 110         bn=$(basename $url)
 111         cd $outd/${bn%.tar.xz}
 112         ./configure -prefix $absprefix                                      \
 113                     -no-graph -no-debugger -no-ocamldoc -no-native-compiler
 114         make -j $mjobs world
 115         make install
 116         echo "k='$url'" >$absprefix/bin/ocamlc.past
 117     ) && vecho "fresh ocamlc"
 118     overs=$(ocamlc --version 2>/dev/null)
 119 }
 120
 121 bocaml1() {
 122     grep -q "$3" $outd/ordered || {
 123         bocaml2 $*
 124         echo "$3" >>"$outd/ordered"
 125     }
 126 }
 127
 128 bocaml2() {
 129     local n=$1
 130     local s="$2"
 131     local o="$3"
 132     local O=${4-}
 133     local dd
 134
 135     local cmd="ocamlc -depend -bytecode -one-line $incs $s"
 136     local keycmd="digest $o $s"
 137     isfresh "$o.depl" "$overs$cmd$(eval $keycmd)" || {
 138         eval "$cmd" | {
 139             read _ _ depl
 140             :>"$o.depl"
 141             for d in $depl; do
 142                 local D=${d#$srcd/}
 143                 test "$O" = "$D" || {
 144                     bocaml "$D" $((n+1))
 145                     case $d in
 146                         $outd/*) dd=$d;;
 147                         *) dd=$outd/${d#$srcd/};;
 148                     esac
 149                     printf "$dd " >>"$o.depl"
 150                 }
 151             done
 152         } || die "$cmd failed"
 153         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.depl.past"
 154     } && {
 155         vecho "fresh $o.depl"
 156         for d in $(< $o.depl); do
 157             bocaml ${d#$outd/} $((n+1))
 158         done
 159     }
 160
 161     cmd="ocamlc $(oflags $o) -c -o $o $s"
 162     keycmd="digest $o $s $(< $o.depl)"
 163     isfresh "$o" "$overs$cmd$(eval $keycmd)" || {
 164         printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
 165         eval "$cmd || die '$cmd failed'"
 166         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.past"
 167     } && vecho "fresh '$o'"
 168 }
 169
 170 bocaml() (
 171     local o="$1"
 172     local n="$2"
 173     local wocmi="${o%.cmi}"
 174     local s
 175     case ${wocmi#$outd/} in
 176         confstruct.cmo)
 177             s=$outd/confstruct.ml
 178             o=$outd/confstruct.cmo
 179             ;;
 180         *)
 181             test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 182             o=$outd/$o
 183             ;;
 184     esac
 185     bocaml1 $n "$s" "$o"
 186     case $wocmi in
 187         wsi) s="$srcd/$wsi/wsi.ml";;
 188         help) s="$srcd/help.ml";;
 189         */glMisc) s="$srcd/lablGL/glMisc.ml";;
 190         */glTex) s="$srcd/lablGL/glTex.ml";;
 191         *) false;;
 192     esac && {
 193         local s1=${s#$srcd/}
 194         bocaml1 $n "$s" "$outd/${s1%.ml}.cmo" "${o#$outd/}"
 195     } || true
 196 )
 197
 198 bocamlc() {
 199     local o=$outd/$1
 200     local s=$srcd/${1%.o}.c
 201     local cmd="ocamlc -ccopt \"$(cflags $o) -MMD -MF $o.dep -MT_ -o $o\" $s"
 202     test -r $o.dep && read _ d <$o.dep || d=
 203     local keycmd='digest $o $d'
 204     isfresh "$o" "$cmd$(eval $keycmd)" || {
 205         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 206         eval "$cmd || die '$cmd failed'"
 207         read _ d <$o.dep
 208         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 209     } && vecho "fresh $o"
 210 }
 211
 212 bobjc() {
 213     local o=$outd/$1
 214     local s=$srcd/${1%.o}.m
 215     local cmd="$mcomp $(mflags $o) -MMD -MF $o.dep -MT_ -c -o $o $s"
 216     test -r $o.dep && read _ d <$o.dep || d=
 217     local keycmd='digest $o $d'
 218     isfresh "$o" "$cmd$(eval $keycmd)" || {
 219         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 220         eval "$cmd || die '$cmd failed'"
 221         read _ d <$o.dep
 222         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 223     } && vecho "fresh $o"
 224 }
 225
 226 ver=$(cd $srcd && git describe --tags --dirty) || ver=unknown
 227
 228 cmd="(. $srcd/genconfstr.sh >$outd/confstruct.ml)"
 229 keycmd="digest $srcd/genconfstr.sh $outd/confstruct.ml"
 230 isfresh "$outd/confstruct.ml" "$cmd$(eval $keycmd)" || {
 231     echo genconfstr
 232     eval "$cmd || die genconfstr.sh failed"
 233     echo "k='$cmd$(eval $keycmd)'" > "$outd/confstruct.ml.past"
 234 } && vecho "fresh $outd/confstruct.ml"
 235
 236 shift 1
 237 for target; do
 238     case "$target" in
 239         doc)
 240             doct=${doct-manpage}
 241             md=$outd/doc
 242             mkdir -p $md
 243             case $doct in
 244                 epub) suf=.epub;;
 245                 manpage) suf=.1;;
 246                 *) die "unknown doc type";;
 247             esac
 248             for m in llpp llppac llpphtml; do
 249                 src=$srcd/adoc/$m.adoc
 250                 out=$md/$m$suf
 251                 conf="$srcd/man/asciidoc.conf"
 252                 keycmd="digest $out $src $conf"
 253                 cmd="a2x -D $md -d manpage -f $doct $src"
 254                 isfresh "$out" "$cmd$(eval $keycmd)" || {
 255                     echo "$src -> $out"
 256                     eval "$cmd || die '$cmd failed'"
 257                     echo "k='$cmd$(eval $keycmd)'" >"$out.past"
 258                 } && vecho "fresh $out"
 259             done;;
 260
 261         completions) die "not yet";;
 262
 263         *) die "no clue - '$target'";;
 264     esac
 265 done
 266
 267 bocaml main.cmo 0
 268
 269 cobjs=
 270 for m in link cutils version; do
 271     bocamlc $m.o
 272     cobjs="$cobjs $outd/$m.o"
 273 done
 274 for m in ml_gl ml_glarray ml_raw; do
 275     bocamlc lablGL/$m.o
 276     cobjs="$cobjs $outd/lablGL/$m.o"
 277 done
 278
 279
 280 libs="str.cma unix.cma"
 281 clibs="-L$mudir/build/native -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     bobjc wsi/osx/wsicocoa.o
 286     cobjs="$cobjs $outd/wsi/osx/wsicocoa.o"
 287 else
 288     clibs="$clibs -lGL -lX11"
 289     cobjs="$cobjs $outd/wsi/x11/keysym2ucs.o"
 290     bocamlc wsi/x11/keysym2ucs.o
 291 fi
 292
 293 ord=$(grep -v \.cmi $outd/ordered)
 294 cmd="ocamlc -custom $libs -o $outd/llpp $cobjs $(echo $ord) -cclib \"$clibs\""
 295 keycmd="digest $outd/llpp $cobjs $ord $mulibs"
 296 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 297     echo linking $outd/llpp
 298     eval "$cmd || die '$cmd failed'"
 299     echo "k='$cmd$(eval $keycmd)'" >"$outd/llpp.past"
 300 } && vecho "fresh llpp"
 301
 302 if $darwin; then
 303     out="$outd/llpp.app/Contents/Info.plist"
 304     keycmd="digest $out $srcd/wsi/osx/genplist.sh"
 305     isfresh $out "$(eval $keycmd)" || {
 306         shortver=$(echo $ver | { IFS='-' read s _; echo ${s#v}; })
 307         d=$(dirname $out)
 308         mkdir -p "$d"
 309         (. $srcd/wsi/osx/genplist.sh) >"$out"
 310         echo "k='$(eval $keycmd)'" >"$out.past"
 311     } && vecho "fresh plist"
 312
 313     out=$outd/llpp.app/Contents/MacOS/llpp
 314     keycmd="digest $out $outd/llpp"
 315     isfresh $out "$(eval $keycmd)" || {
 316         mkdir -p "$(dirname $out)"
 317         cp $outd/llpp $out
 318         echo "k='$(eval $keycmd)'" >"$out.past"
 319     } && vecho "fresh bundle"
 320 fi