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