t/yacc-subdir.sh

   1 #! /bin/sh
   2 # Copyright (C) 2002-2024 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 for subdir parsers.
  18
  19 required='cc yacc'
  20
  21 . test-init.sh
  22
  23 cat >> configure.ac << 'END'
  24 AC_PROG_CC
  25 AC_PROG_YACC
  26 AC_OUTPUT
  27 END
  28
  29 cat > Makefile.am << 'END'
  30 AUTOMAKE_OPTIONS = subdir-objects
  31 AM_LFLAGS = --never-interactive
  32
  33 bin_PROGRAMS = foo/foo
  34 foo_foo_SOURCES = foo/parse.y
  35 AM_YFLAGS = -d
  36
  37 .PHONY: obj
  38 obj: foo/parse.$(OBJEXT)
  39
  40 .PHONY: test1 test2
  41 test1: foo/parse.$(OBJEXT)
  42         test -f foo/parse.c
  43         test -f foo/parse.$(OBJEXT)
  44 test2: foo/parse2.$(OBJEXT)
  45         test -f foo/parse2.c
  46         test -f foo/parse2.$(OBJEXT)
  47 END
  48
  49 mkdir foo
  50
  51 cat > foo/parse.y << 'END'
  52 %{
  53 int yylex () { return 0; }
  54 void yyerror (const char *s) {}
  55 %}
  56 %%
  57 foobar : 'f' 'o' 'o' 'b' 'a' 'r' {};
  58 END
  59
  60 $ACLOCAL
  61 $AUTOCONF
  62 $AUTOMAKE -a
  63
  64 mkdir sub
  65 cd sub
  66
  67 ../configure
  68 $MAKE test1
  69
  70 # Aside of the rest of this test, let's see if we can recover from
  71 # parse.h removal.
  72 test -f foo/parse.h
  73 rm -f foo/parse.h
  74 $MAKE foo/parse.h
  75 test -f foo/parse.h
  76
  77 # Make sure foo/parse.h is not updated, unless when needed.
  78 $sleep
  79 touch ../foo/parse.y
  80 $MAKE obj
  81 is_newest ../foo/parse.y foo/parse.h
  82 $sleep
  83 sed 's/%%/%token TOKEN\n%%/g' ../foo/parse.y >../foo/parse.yt
  84 mv -f ../foo/parse.yt ../foo/parse.y
  85 $MAKE obj
  86 is_newest foo/parse.h ../foo/parse.y
  87
  88 # Now, adds another parser to test ylwrap.
  89
  90 cd ..
  91
  92 # Sleep some to make sure timestamp of Makefile.am will change.
  93 $sleep
  94
  95 cp foo/parse.y foo/parse2.y
  96 cat >> Makefile.am << 'END'
  97 EXTRA_foo_foo_SOURCES = foo/parse2.y
  98 END
  99
 100 $AUTOMAKE -a
 101 test -f ./ylwrap
 102
 103 cd sub
 104 # Regenerate Makefile (automatic in GNU Make, but not in other Makes).
 105 ./config.status
 106 $MAKE test2
 107
 108 :