t/silent-yacc.sh

   1 #!/bin/sh
   2 # Copyright (C) 2010-2024 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 # 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 AM_LFLAGS = --never-interactive
  33
  34 # Need generic and non-generic rules.
  35 bin_PROGRAMS = foo1 foo2
  36 foo1_SOURCES = foo.y
  37 foo2_SOURCES = $(foo1_SOURCES)
  38 foo2_YFLAGS = -v
  39 foo2_CFLAGS = $(AM_CPPFLAGS)
  40 SUBDIRS = sub
  41 EOF
  42
  43 cat > sub/Makefile.am <<'EOF'
  44 AUTOMAKE_OPTIONS = subdir-objects
  45 AM_LFLAGS = --never-interactive
  46
  47 # Need generic and non-generic rules.
  48 bin_PROGRAMS = bar1 bar2
  49 bar1_SOURCES = bar.y
  50 bar2_SOURCES = $(bar1_SOURCES)
  51 bar2_YFLAGS = -v
  52 bar2_CFLAGS = $(AM_CPPFLAGS)
  53 EOF
  54
  55 cat > foo.y <<'EOF'
  56 %{
  57 void yyerror (const char *s) {}
  58 int yylex (void) { return 0; }
  59 int main (void) { return 0; }
  60 %}
  61 %token EOF
  62 %%
  63 fubar : 'f' 'o' 'o' 'b' 'a' 'r' EOF {};
  64 EOF
  65 cp foo.y sub/bar.y
  66
  67 $ACLOCAL
  68 $AUTOMAKE --add-missing
  69 $AUTOCONF
  70
  71 # Ensure per-target rules are used, to ensure their coverage below.
  72 $FGREP 'foo2-foo.c' Makefile.in || exit 99
  73 $FGREP 'bar2-bar.c' sub/Makefile.in || exit 99
  74
  75 ./configure --enable-silent-rules
  76
  77 run_make -O
  78
  79 $EGREP ' (-c|-o)' stdout && exit 1
  80 $EGREP '(mv|ylwrap) ' stdout && exit 1
  81
  82 grep 'YACC .*foo\.' stdout
  83 grep 'YACC .*bar\.' stdout
  84 grep ' CC .*foo\.' stdout
  85 grep ' CC .*bar\.' stdout
  86 grep 'CCLD .*foo1' stdout
  87 grep 'CCLD .*bar1' stdout
  88 grep 'CCLD .*foo2' stdout
  89 grep 'CCLD .*bar2' stdout
  90
  91 # Cleaning and then rebuilding with the same V flag (and without
  92 # removing the generated sources in between) shouldn't trigger a
  93 # different set of rules.
  94 $MAKE clean
  95
  96 run_make -O
  97
  98 $EGREP ' (-c|-o)' stdout && exit 1
  99 $EGREP '(mv|ylwrap) ' stdout && exit 1
 100
 101 # Don't look for YACC, as probably yacc hasn't been re-run.
 102 grep ' CC .*foo\.' stdout
 103 grep ' CC .*bar\.' stdout
 104 grep 'CCLD .*foo1' stdout
 105 grep 'CCLD .*bar1' stdout
 106 grep 'CCLD .*foo2' stdout
 107 grep 'CCLD .*bar2' stdout
 108
 109 # Ensure a truly clean rebuild.
 110 $MAKE clean
 111 rm -f *foo.[ch] sub/*bar.[ch]
 112
 113 run_make -O V=1
 114
 115 grep ' -c ' stdout
 116 grep ' -o ' stdout
 117 grep 'ylwrap ' stdout
 118
 119 $EGREP '(YACC|CC|CCLD) ' stdout && exit 1
 120
 121 # Cleaning and then rebuilding with the same V flag (and without
 122 # removing the generated sources in between) shouldn't trigger a
 123 # different set of rules.
 124 $MAKE clean
 125
 126 run_make -O V=1
 127
 128 # Don't look for ylwrap, as probably lex hasn't been re-run.
 129 grep ' -c ' stdout
 130 grep ' -o ' stdout
 131
 132 $EGREP '(YACC|CC|CCLD) ' stdout && exit 1
 133
 134 :