t/silent-yacc.sh

   1 #!/bin/sh
   2 # Copyright (C) 2010-2018 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 # Check silent-rules mode for Yacc.
  18
  19 required='cc yacc'
  20 . test-init.sh
  21
  22 mkdir sub
  23
  24 cat >>configure.ac <<'EOF'
  25 AC_PROG_CC
  26 AC_PROG_YACC
  27 AC_CONFIG_FILES([sub/Makefile])
  28 AC_OUTPUT
  29 EOF
  30
  31 cat > Makefile.am <<'EOF'
  32 # Need generic and non-generic rules.
  33 bin_PROGRAMS = foo1 foo2
  34 foo1_SOURCES = foo.y
  35 foo2_SOURCES = $(foo1_SOURCES)
  36 foo2_YFLAGS = -v
  37 foo2_CFLAGS = $(AM_CPPFLAGS)
  38 SUBDIRS = sub
  39 EOF
  40
  41 cat > sub/Makefile.am <<'EOF'
  42 AUTOMAKE_OPTIONS = subdir-objects
  43 # Need generic and non-generic rules.
  44 bin_PROGRAMS = bar1 bar2
  45 bar1_SOURCES = bar.y
  46 bar2_SOURCES = $(bar1_SOURCES)
  47 bar2_YFLAGS = -v
  48 bar2_CFLAGS = $(AM_CPPFLAGS)
  49 EOF
  50
  51 cat > foo.y <<'EOF'
  52 %{
  53 void yyerror (char *s) { return; }
  54 int yylex (void) { return 0; }
  55 int main (void) { return 0; }
  56 %}
  57 %token EOF
  58 %%
  59 fubar : 'f' 'o' 'o' 'b' 'a' 'r' EOF {};
  60 EOF
  61 cp foo.y sub/bar.y
  62
  63 $ACLOCAL
  64 $AUTOMAKE --add-missing
  65 $AUTOCONF
  66
  67 # Ensure per-target rules are used, to ensure their coverage below.
  68 $FGREP 'foo2-foo.c' Makefile.in || exit 99
  69 $FGREP 'bar2-bar.c' sub/Makefile.in || exit 99
  70
  71 ./configure --enable-silent-rules
  72
  73 run_make -O
  74
  75 $EGREP ' (-c|-o)' stdout && exit 1
  76 $EGREP '(mv|ylwrap) ' stdout && exit 1
  77
  78 grep 'YACC .*foo\.' stdout
  79 grep 'YACC .*bar\.' stdout
  80 grep ' CC .*foo\.' stdout
  81 grep ' CC .*bar\.' stdout
  82 grep 'CCLD .*foo1' stdout
  83 grep 'CCLD .*bar1' stdout
  84 grep 'CCLD .*foo2' stdout
  85 grep 'CCLD .*bar2' stdout
  86
  87 # Cleaning and then rebuilding with the same V flag (and without
  88 # removing the generated sources in between) shouldn't trigger a
  89 # different set of rules.
  90 $MAKE clean
  91
  92 run_make -O
  93
  94 $EGREP ' (-c|-o)' stdout && exit 1
  95 $EGREP '(mv|ylwrap) ' stdout && exit 1
  96
  97 # Don't look for YACC, as probably yacc hasn't been re-run.
  98 grep ' CC .*foo\.' stdout
  99 grep ' CC .*bar\.' stdout
 100 grep 'CCLD .*foo1' stdout
 101 grep 'CCLD .*bar1' stdout
 102 grep 'CCLD .*foo2' stdout
 103 grep 'CCLD .*bar2' stdout
 104
 105 # Ensure a truly clean rebuild.
 106 $MAKE clean
 107 rm -f *foo.[ch] sub/*bar.[ch]
 108
 109 run_make -O V=1
 110
 111 grep ' -c ' stdout
 112 grep ' -o ' stdout
 113 grep 'ylwrap ' stdout
 114
 115 $EGREP '(YACC|CC|CCLD) ' stdout && exit 1
 116
 117 # Cleaning and then rebuilding with the same V flag (and without
 118 # removing the generated sources in between) shouldn't trigger a
 119 # different set of rules.
 120 $MAKE clean
 121
 122 run_make -O V=1
 123
 124 # Don't look for ylwrap, as probably lex hasn't been re-run.
 125 grep ' -c ' stdout
 126 grep ' -o ' stdout
 127
 128 $EGREP '(YACC|CC|CCLD) ' stdout && exit 1
 129
 130 :