t/java-rebuild.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2017 Free Software Foundation, Inc.
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2, or (at your option)
   7 # any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 # Test rebuild rules for Java class files.
  18
  19 required='javac'
  20 . test-init.sh
  21
  22 cat >> configure.ac <<'END'
  23 AC_OUTPUT
  24 END
  25
  26 cat > Makefile.am <<'END'
  27 AM_JAVACFLAGS = -verbose
  28 foodir = $(datadir)/java
  29 foo_JAVA = a.java
  30 dist_foo_JAVA = d.java
  31 nodist_foo_JAVA = n.java
  32 nobase_foo_JAVA = Nobase.java
  33 nobase_dist_foo_JAVA = NobaseDist.java
  34 nobase_nodist_foo_JAVA = NobaseNoDist.java
  35 END
  36
  37 echo 'class _x {}' > a.java
  38 echo 'class x_ {}' > d.java
  39 echo 'class a {} class d {}' > n.java
  40 echo 'class Nobase_Foo {} class Nobase_Bar {}' > Nobase.java
  41 echo 'class NobaseDist {}' > NobaseDist.java
  42 echo 'class NobaseNoDist {}' > NobaseNoDist.java
  43
  44 $ACLOCAL
  45 $AUTOCONF
  46 $AUTOMAKE
  47
  48 all_classes='_x x_ a d Nobase_Foo Nobase_Bar NobaseDist NobaseNoDist'
  49
  50 for vpath in : false; do
  51
  52   if $vpath; then
  53     srcdir=..
  54     mkdir build
  55     cd build
  56   else
  57     srcdir=.
  58   fi
  59
  60   $srcdir/configure
  61   $MAKE
  62   ls -l # For debugging.
  63
  64   # Sanity check.
  65   test -f classfoo.stamp
  66   for cls in $all_classes; do
  67     test -f $cls.class
  68   done
  69
  70   # When the stampfile is removed, all the *.class files should
  71   # be considered out-of-date.
  72   echo timestamp > older
  73   $sleep
  74   rm -f classfoo.stamp
  75   $MAKE
  76   for cls in $all_classes; do
  77     is_newest $cls.class older
  78   done
  79
  80   # When only a java file is modified, only the *.class files derived from
  81   # it should be updated.
  82   # The strings we loop on here have the following format:
  83   # "JAVA-FILES-TO-BE-TOUCHED -- CLASSES-THAT-SHOULD-BE-UPDATED"
  84   for args in \
  85     'a -- _x' \
  86     'd -- x_' \
  87     'n -- a d' \
  88     'a d Nobase -- _x x_ Nobase_Foo Nobase_Bar' \
  89     'n NobaseDist -- a d NobaseDist' \
  90     'd NobaseNoDist -- x_ NobaseNoDist' \
  91     "a d n Nobase NobaseDist NobaseNoDist -- $all_classes" \
  92   ; do
  93     set $args
  94     touched_javas=
  95     while test $# -gt 0; do
  96       if test x"$1" = x"--"; then
  97         shift
  98         break
  99       else
 100         touched_javas="$touched_javas $1"
 101         shift
 102       fi
 103     done
 104     updated_classes=$*
 105     echo timestamp > older
 106     $sleep
 107     for j in $touched_javas; do
 108       touch $srcdir/$j.java
 109     done
 110     $MAKE
 111     is_newest classfoo.stamp older
 112     for cls in $all_classes; do
 113       case " $updated_classes " in
 114         *" $cls "*) is_newest $cls.class older;;
 115         *) is_newest older $cls.class;;
 116       esac
 117     done
 118   done # $args ...
 119
 120   cd $srcdir
 121
 122 done # $vpath ...
 123
 124 :