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" = "$2"; }
  38
  39 mbt=native
  40 mulibs="$mudir/build/$mbt/libmupdf.a" # $mudir/build/$mbt/libmupdf-third.a
  41
  42 keycmd="(cd $mudir && make -q build=$mbt libs && echo); digest $mulibs"
  43 isfresh "$mulibs" "$(eval $keycmd)" || (
  44     make -C "$mudir" build=$mbt -j $mjobs libs
  45     echo "k='$(eval $keycmd)'" >$mudir/build/$mbt/libmupdf.a.past
  46 ) && vecho "fresh mupdf"
  47
  48 oincs() {
  49     local i=
  50     local incs1=
  51     local incs=
  52     case "${1#$outd/}" in
  53         lablGL/*) incs1="$incs1 lablGL";;
  54         main.cmo) incs1="$incs1 $wsid lablGL";;
  55         glutils.cmo|listview.cmo) incs1="$incs1 lablGL";;
  56         *) ;;
  57     esac
  58     for i in $incs1; do
  59         incs="$incs -I $srcd/$i -I $outd/$i"
  60     done
  61     echo "-I $srcd -I $outd $incs"
  62 }
  63
  64 oflags() {
  65     case "${1#$outd/}" in
  66         lablGL/*) f="-g";;
  67         *) f="-g -strict-sequence -strict-formats -w @A";;
  68     esac
  69     echo "$(oincs $1) $f"
  70 }
  71
  72 cflags() {
  73     case "${1#$outd/}" in
  74         version.o) f=-DLLPP_VERSION=$ver;;
  75         link.o)
  76             f="-g -std=c99 -O2 $muinc -Wall -Werror -Wextra -pedantic"
  77             f="$f -DCACHE_PAGEREFS -DKeySym=uint32_t"
  78             $darwin && f="$f -DCIDER -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     ! $darwin || f="$f -DGL_SILENCE_DEPRECATION"
  85     echo $f
  86 }
  87
  88 mflags() {
  89     echo "-I $(ocamlc -where) -g -Wall -Werror -O2 -DGL_SILENCE_DEPRECATION"
  90 }
  91
  92 overs="$(ocamlc -vnum 2>/dev/null)" || overs=""
  93 test "$overs" = "4.07.1" || {
  94     url=https://caml.inria.fr/pub/distrib/ocaml-4.07/ocaml-4.07.1.tar.xz
  95     txz=$outd/$(basename $url)
  96     isfresh $txz $url || {
  97         executable_p() { command -v "$1" >/dev/null 2>&1; }
  98         if executable_p wget; then dl() { wget -q "$1" -O "$2"; }
  99         elif executable_p curl; then dl() { curl -L "$1" -o "$2"; }
 100         else die "no program to fetch remote urls found"
 101         fi
 102         dl $url $txz
 103         echo "k=$url" >$txz.past
 104     } && vecho "fresh $txz"
 105     absprefix=$(cd $outd &>/dev/null; pwd -P)
 106     export PATH=$absprefix/bin:$PATH
 107     isfresh $absprefix/bin/ocamlc "$url" || (
 108         tar xf $txz -C $outd
 109         bn=$(basename $url)
 110         cd $outd/${bn%.tar.xz}
 111         ./configure -prefix $absprefix                                      \
 112                     -no-graph -no-debugger -no-ocamldoc -no-native-compiler
 113         make -j $mjobs world
 114         make install
 115         echo "k='$url'" >$absprefix/bin/ocamlc.past
 116     ) && vecho "fresh ocamlc"
 117     overs=$(ocamlc -vnum 2>/dev/null)
 118 }
 119
 120 bocaml1() {
 121     grep -q "$3" $outd/ordered || {
 122         bocaml2 $*
 123         echo "$3" >>"$outd/ordered"
 124     }
 125 }
 126
 127 bocaml2() {
 128     local n=$1
 129     local s="$2"
 130     local o="$3"
 131     local O=${4-}
 132     local dd
 133
 134     local cmd="ocamlc -depend -bytecode -one-line $(oincs $o) $s"
 135     local keycmd="digest $o $s"
 136     isfresh "$o.depl" "$overs$cmd$(eval $keycmd)" || {
 137         eval "$cmd || die '$cmd' failed" | {
 138             read _ _ depl
 139             :>"$o.depl"
 140             for d in $depl; do
 141                 local D=${d#$srcd/}
 142                 test "$O" = "$D" || {
 143                     bocaml "$D" $((n+1))
 144                     case $d in
 145                         $outd/*) dd=$d;;
 146                         *) dd=$outd/${d#$srcd/};;
 147                     esac
 148                     printf "$dd " >>"$o.depl"
 149                 }
 150             done
 151         } || die "$cmd failed"
 152         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.depl.past"
 153     } && {
 154         vecho "fresh $o.depl"
 155         for d in $(< $o.depl); do
 156             bocaml ${d#$outd/} $((n+1))
 157         done
 158     }
 159
 160     cmd="ocamlc $(oflags $o) -c -o $o $s"
 161     keycmd="digest $o $s $(< $o.depl)"
 162     isfresh "$o" "$overs$cmd$(eval $keycmd)" || {
 163         printf "%*.s%s -> %s\n" $n '' "${s#$srcd/}" "${o#$outd/}"
 164         eval "$cmd || die '$cmd failed'"
 165         echo "k='$overs$cmd$(eval $keycmd)'" >"$o.past"
 166     } && vecho "fresh '$o'"
 167 }
 168
 169 cycle=
 170 bocaml() (
 171     local o="$1"
 172     local n="$2"
 173     local wocmi="${o%.cmi}"
 174     local s
 175     local cycle1=$cycle
 176     case ${wocmi#$outd/} in
 177         confstruct.cmo)
 178             s=$outd/confstruct.ml
 179             o=$outd/confstruct.cmo;;
 180         *)
 181             test "$o" = "$wocmi" && s=$srcd/${o%.cmo}.ml || s=$srcd/$wocmi.mli
 182             o=$outd/$o;;
 183     esac
 184     expr >/dev/null "$cycle" : ".*$o" && die cycle $o || cycle="$cycle$o"
 185     bocaml1 $n "$s" "$o"
 186     case $wocmi in
 187         wsi) s="$srcd/$wsid/wsi.ml";;
 188         help) s="$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     cycle=$cycle1
 197 )
 198
 199 bocamlc() {
 200     local o=$outd/$1
 201     local s=$srcd/${1%.o}.c
 202     local cc=${LLPP_CC:+-cc $LLPP_CC }
 203     local cmd="ocamlc $cc-ccopt \"$(cflags $o) -MMD -MF $o.dep -MT_ -o $o\" $s"
 204     test -r $o.dep && read _ d <$o.dep || d=
 205     local keycmd='digest $o $d'
 206     isfresh "$o" "$cmd$(eval $keycmd)" || {
 207         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 208         eval "$cmd || die '$cmd failed'"
 209         read _ d <$o.dep
 210         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 211     } && vecho "fresh $o"
 212 }
 213
 214 bobjc() {
 215     local o=$outd/$1
 216     local s=$srcd/${1%.o}.m
 217     local cmd="$mcomp $(mflags $o) -MD -MF $o.dep -MT_ -c -o $o $s"
 218     test -r $o.dep && read _ d <$o.dep || d=
 219     local keycmd='digest $o $d'
 220     isfresh "$o" "$cmd$(eval $keycmd)" || {
 221         printf "%s -> %s\n" "${s#$srcd/}" "${o#$outd/}"
 222         eval "$cmd || die '$cmd failed'"
 223         read _ d <$o.dep
 224         echo "k='$cmd$(eval $keycmd)'" >"$o.past"
 225     } && vecho "fresh $o"
 226 }
 227
 228 ver=$(cd $srcd && git describe --tags --dirty) || ver=unknown
 229
 230 cmd="(. $srcd/genconfstr.sh >$outd/confstruct.ml)"
 231 keycmd="digest $srcd/genconfstr.sh $outd/confstruct.ml"
 232 isfresh "$outd/confstruct.ml" "$cmd$(eval $keycmd)" || {
 233     echo "generating $outd/confstruct.ml"
 234     eval "$cmd || die genconfstr.sh failed"
 235     echo "k='$cmd$(eval $keycmd)'" > "$outd/confstruct.ml.past"
 236 } && vecho "fresh $outd/confstruct.ml"
 237
 238 shift 1
 239 for target; do
 240     case "$target" in
 241         doc)
 242             doct=${doct-manpage}
 243             md=$outd/doc
 244             mkdir -p $md
 245             case $doct in
 246                 epub) suf=.epub;;
 247                 manpage) suf=.1;;
 248                 *) die "unknown doc type";;
 249             esac
 250             for m in llpp llppac llpphtml; do
 251                 src=$srcd/adoc/$m.adoc
 252                 out=$md/$m$suf
 253                 conf="$srcd/man/asciidoc.conf"
 254                 keycmd="digest $out $src $conf"
 255                 cmd="a2x -D $md -d manpage -f $doct $src"
 256                 isfresh "$out" "$cmd$(eval $keycmd)" || {
 257                     echo "$src -> $out"
 258                     eval "$cmd || die '$cmd failed'"
 259                     echo "k='$cmd$(eval $keycmd)'" >"$out.past"
 260                 } && vecho "fresh $out"
 261             done;;
 262
 263         completions) die "not yet";;
 264
 265         *) die "no clue - '$target'";;
 266     esac
 267 done
 268
 269 bocaml main.cmo 0
 270
 271 cobjs=
 272 for m in link cutils version; do
 273     bocamlc $m.o
 274     cobjs="$cobjs $outd/$m.o"
 275 done
 276 for m in ml_gl ml_glarray ml_raw; do
 277     bocamlc lablGL/$m.o
 278     cobjs="$cobjs $outd/lablGL/$m.o"
 279 done
 280
 281 libs="str.cma unix.cma"
 282 clibs="-L$mudir/build/$mbt -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     cobjs="$cobjs $outd/wsi/cocoa/cocoa.o"
 287     bobjc wsi/cocoa/cocoa.o
 288 else
 289     clibs="$clibs -lGL -lX11"
 290     cobjs="$cobjs $outd/wsi/x11/keysym2ucs.o $outd/wsi/x11/xlib.o"
 291     bocamlc wsi/x11/keysym2ucs.o
 292     bocamlc wsi/x11/xlib.o
 293 fi
 294
 295 ord=$(grep -v \.cmi $outd/ordered)
 296 cmd="ocamlc -custom $libs -o $outd/llpp $cobjs $(echo $ord) -cclib \"$clibs\""
 297 keycmd="digest $outd/llpp $cobjs $ord $mulibs"
 298 isfresh "$outd/llpp" "$cmd$(eval $keycmd)" || {
 299     echo linking $outd/llpp
 300     eval "$cmd || die '$cmd failed'"
 301     echo "k='$cmd$(eval $keycmd)'" >"$outd/llpp.past"
 302 } && vecho "fresh llpp"
 303
 304 if $darwin; then
 305     out="$outd/llpp.app/Contents/Info.plist"
 306     keycmd="digest $out $srcd/wsi/cocoa/genplist.sh; echo $ver"
 307     isfresh $out "$(eval $keycmd)" || {
 308         d=$(dirname $out)
 309         mkdir -p "$d"
 310         echo "generating $out"
 311         (. $srcd/wsi/cocoa/genplist.sh) >"$out"
 312         echo "k='$(eval $keycmd)'" >"$out.past"
 313     } && vecho "fresh plist"
 314
 315     out=$outd/llpp.app/Contents/MacOS/llpp
 316     keycmd="digest $out $outd/llpp"
 317     isfresh $out "$(eval $keycmd)" || {
 318         echo "bundling $out"
 319         mkdir -p "$(dirname $out)"
 320         cp $outd/llpp $out
 321         echo "k='$(eval $keycmd)'" >"$out.past"
 322     } && vecho "fresh bundle"
 323 fi