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         | $wsi/wsi.cmo)         # XXX confstruct?
  66             f="-g -strict-sequence -strict-formats -w @A";;
  67         *) f="-g";;
  68     esac
  69     echo "$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             f="$f -D_POSIX_C_SOURCE"
  78             $darwin && f="$f -D__COCOA__ -D_GNU_SOURCE" \
  79                     || f="$f -D_POSIX_C_SOURCE" ;;
  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     echo $f
  85 }
  86
  87 mflags() { echo "-I $(ocamlc -where) -g -O2"; }
  88
  89 incs="-I $srcd/lablGL -I $srcd/$wsi -I $srcd"
  90 incs="$incs -I $outd/lablGL -I $outd/$wsi -I $outd"
  91
  92 overs="$(ocamlc --version 2>/dev/null)" || overs="0.0.0"
  93 oversnum="$(echo $overs | { IFS=. read a b _; echo $a$b; })"
  94
  95 test $oversnum -ge 406 || {
  96     url=http://caml.inria.fr/pub/distrib/ocaml-4.06/ocaml-4.06.1.tar.xz
  97     txz=$outd/$(basename $url)
  98     isfresh $txz $url || {
  99         executable_p() { command -v "$1" >/dev/null 2>&1; }
 100         if executable_p wget; then dl() { wget -q "$1" -O "$2"; }
 101         elif executable_p curl; then dl() { curl -L "$1" -o "$2"; }
 102         else die "no program to fetch remote urls found"
 103         fi
 104         dl $url $txz
 105         echo "k=$url" >$txz.past
 106     } && vecho "fresh $txz"
 107     absprefix=$(cd $outd &>/dev/null; pwd -P)
 108     export PATH=$absprefix/bin:$PATH
 109     isfresh $absprefix/bin/ocamlc "$url" || (
 110         tar xf $txz -C $outd
 111         bn=$(basename $url)
 112         cd $outd/${bn%.tar.xz}
 113         ./configure -prefix $absprefix                                      \
 114                     -no-graph -no-debugger -no-ocamldoc -no-native-compiler
 115         make -j $mjobs world
 116         make install
 117         echo "k='$url'" >$absprefix/bin/ocamlc.past
 118     ) && vecho "fresh ocamlc"
 119     overs=$(ocamlc --version 2>/dev/null)
 120 }
 121
 122 bocaml1() {
 123     grep -q "$3" $outd/ordered || {
 124         bocaml2 $*
 125         echo "$3" >>"$outd/ordered"
 126     }
 127 }
 128
 129 bocaml2() {
 130     local n=$1
 131     local s="$2"
 132     local o="$3"
 133     local O=${4-}
 134     local dd
 135
 136     local cmd="ocamlc -depend -bytecode -one-line $incs $s"
 137     local keycmd="digest $o $s"
 138     isfresh "$o.depl" "$overs$cmd$(eval $keycmd)" || {
 139         eval "$cmd" | {
 140             read _ _ depl
 141             :>"$o.depl"
 142             for d in $depl; do
 143                 local D=${d#$srcd/}
 144                 test "$O" = "$D" || {
 145                     bocaml "$D" $((n+1))
 146                     case $d in
 147                         $outd/*) dd=$d;;
 148                         *) dd=$outd/${d#$srcd/};;
 149                     esac
 150                     printf "$dd " >>"$o.depl"
 151                 }
 152             done
 153         } || die "$cmd failed"
 154         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.depl.past"
 155     } && {
 156         vecho "fresh $o.depl"
 157         for d in $(< $o.depl); do
 158             bocaml ${d#$outd/} $((n+1))
 159         done
 160     }
 161
 162     cmd="ocamlc $(oflags $o) -c -o $o $s"
 163     keycmd="digest $o $s $(< $o.depl)"
 164     isfresh "$o" "$overs$cmd$(eval $keycmd)" || {
 165         printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
 166         eval "$cmd || die '$cmd failed'"
 167         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.past"
 168     } && vecho "fresh '$o'"
 169 }
 170
 171 bocaml() (
 172     local o="$1"
 173     local n="$2"
 174     local wocmi="${o%.cmi}"
 175     local s
 176     case ${wocmi#$outd/} in
 177         confstruct.cmo)
 178             s=$outd/confstruct.ml
 179             o=$outd/confstruct.cmo
 180             ;;
 181         *)
 182             test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 183             o=$outd/$o
 184             ;;
 185     esac
 186     bocaml1 $n "$s" "$o"
 187     case $wocmi in
 188         wsi) s="$srcd/$wsi/wsi.ml";;
 189         help) s="$srcd/help.ml";;
 190         */glMisc) s="$srcd/lablGL/glMisc.ml";;
 191         */glTex) s="$srcd/lablGL/glTex.ml";;
 192         *) false;;
 193     esac && {
 194         local s1=${s#$srcd/}
 195         bocaml1 $n "$s" "$outd/${s1%.ml}.cmo" "${o#$outd/}"
 196     } || true
 197 )
 198
 199 bocamlc() {
 200     local o=$outd/$1
 201     local s=$srcd/${1%.o}.c
 202     local cmd="ocamlc -ccopt \"$(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) -MMD -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="sh $srcd/genconfstr.sh >$outd/confstruct.ml"
 230 keycmd="digest $srcd/genconfstr.sh $outd/confstruct.ml"
 231 isfresh "$outd/confstruct.ml" "$cmd$(eval $keycmd)" || {
 232     echo genconfstr
 233     eval "$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
 281 libs="str.cma unix.cma"
 282 clibs="-L$mudir/build/native -lmupdf -lmupdf-third -lpthread"
 283 if $darwin; then
 284     mcomp=$(ocamlc -config | grep bytecomp_c_co | { read _ c; echo $c; })
 285     clibs="$clibs -framework Cocoa -framework OpenGL"
 286     bobjc wsi/osx/wsicocoa.o
 287     cobjs="$cobjs $outd/wsi/osx/wsicocoa.o"
 288 else
 289     clibs="$clibs -lGL -lX11"
 290     cobjs="$cobjs $outd/wsi/x11/keysym2ucs.o"
 291     bocamlc wsi/x11/keysym2ucs.o
 292 fi
 293
 294 ord=$(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/osx/genplist.sh"
 306     isfresh $out "$(eval $keycmd)" || {
 307         shortver=$(echo $ver | { IFS='-' read s _; echo ${s#v}; })
 308         d=$(dirname $out)
 309         mkdir -p "$d"
 310         . $srcd/wsi/osx/genplist.sh >"$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 $keycmd)" || {
 317         mkdir -p "$(dirname $out)"
 318         cp $outd/llpp $out
 319         echo "k='$(eval $keycmd)'" >"$out.past"
 320     } && vecho "fresh bundle"
 321 fi