t/silent-yacc-headers.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 # Check silent-rules mode for Yacc, when yacc-generated headers are
  18 # involved (i.e., the '-d' option is in *YFLAGS).
  19
  20 required='cc yacc'
  21 . test-init.sh
  22
  23 mkdir sub
  24
  25 cat >>configure.ac <<'EOF'
  26 AC_PROG_YACC
  27 AC_PROG_CC
  28 AC_OUTPUT
  29 EOF
  30
  31 cat > Makefile.am <<'EOF'
  32 # Need generic and non-generic rules.
  33 AM_YFLAGS = -d
  34 bin_PROGRAMS = foo bar
  35 foo_SOURCES = parse.y
  36 bar_SOURCES = $(foo_SOURCES)
  37 bar_YFLAGS = $(AM_YFLAGS)
  38 EOF
  39
  40 cat > parse.y <<'EOF'
  41 %{
  42 void yyerror (char *s) { return; }
  43 int yylex (void) { return 0; }
  44 int main (void) { return 0; }
  45 %}
  46 %token EOF
  47 %%
  48 fubar : 'f' 'o' 'o' 'b' 'a' 'r' EOF {};
  49 EOF
  50
  51 $ACLOCAL
  52 $AUTOMAKE --add-missing
  53 $AUTOCONF
  54
  55 # Check that the expected non-generic rules has been truly generated.
  56 # Otherwise, the coverage offered by this test will be weaker then
  57 # expected and planned.
  58 $FGREP 'bar-parse.c' Makefile.in
  59 $FGREP '$(bar_YFLAGS)' Makefile.in
  60
  61 ./configure --enable-silent-rules
  62
  63 run_make -O
  64
  65 $EGREP ' (-c|-d|-o)' stdout && exit 1
  66 $EGREP '(mv|ylwrap) ' stdout && exit 1
  67
  68 grep 'YACC  *parse\.c' stdout
  69 grep 'updating  *parse\.h' stdout
  70 grep 'YACC  *bar-parse\.c' stdout
  71 grep 'updating  *bar-parse\.h' stdout
  72
  73 grep ' CC  *parse\.' stdout
  74 grep ' CC  *bar-parse\.' stdout
  75 grep 'CCLD  *foo' stdout
  76 grep 'CCLD  *bar' stdout
  77
  78 # Check recovering from header removal.
  79 rm -f parse.h bar-parse.h
  80 run_make -O parse.h bar-parse.h
  81
  82 $EGREP ' (-c|-d|-o)' stdout && exit 1
  83 $EGREP '(mv|ylwrap) ' stdout && exit 1
  84
  85 grep 'YACC  *parse\.c' stdout
  86 grep 'updating  *parse\.h' stdout
  87 grep 'YACC  *bar-parse\.c' stdout
  88 grep 'updating  *bar-parse\.h' stdout
  89
  90 # Cleaning and then rebuilding with the same V flag (and without
  91 # removing the generated sources in between) shouldn't trigger a
  92 # different set of rules.
  93 $MAKE clean
  94
  95 run_make -O
  96
  97 $EGREP ' (-c|-d|-o)' stdout && exit 1
  98 $EGREP '(mv|ylwrap) ' stdout && exit 1
  99
 100 # Don't look for "YACC *.c" and "updating *.h", as yacc shouldn't
 101 # have been re-run.
 102 grep ' CC  *parse\.' stdout
 103 grep ' CC  *bar-parse\.' stdout
 104 grep 'CCLD  *foo' stdout
 105 grep 'CCLD  *bar' stdout
 106
 107 # Check recovering from header removal.
 108 rm -f parse.h bar-parse.h
 109 run_make -O parse.h bar-parse.h
 110
 111 $EGREP ' (-c|-d|-o)' stdout && exit 1
 112 $EGREP '(mv|ylwrap) ' stdout && exit 1
 113
 114 grep 'YACC  *parse\.c' stdout
 115 grep 'updating  *parse\.h' stdout
 116 grep 'YACC  *bar-parse\.c' stdout
 117 grep 'updating  *bar-parse\.h' stdout
 118
 119 # Ensure a truly clean rebuild.
 120 $MAKE maintainer-clean
 121
 122 ./configure --enable-silent-rules
 123
 124 run_make -O V=1
 125
 126 grep ' -c ' stdout
 127 grep ' -o ' stdout
 128 grep ' -d ' stdout
 129 grep 'ylwrap ' stdout
 130
 131 $EGREP '(YACC|CC|CCLD) ' stdout && exit 1
 132
 133 # Check recovering from header removal.
 134 rm -f parse.h bar-parse.h
 135 run_make -O V=1 parse.h bar-parse.h
 136
 137 grep ' -d ' stdout
 138 grep 'ylwrap ' stdout
 139
 140 grep 'YACC' stdout && exit 1
 141
 142 # Cleaning and then rebuilding with the same V flag (and without
 143 # removing the generated sources in between) shouldn't trigger a
 144 # different set of rules.
 145 $MAKE clean
 146
 147 run_make -O V=1
 148
 149 # Don't look for ylwrap, as probably lex hasn't been re-run.
 150 grep ' -c ' stdout
 151 grep ' -o ' stdout
 152
 153 $EGREP '(YACC|CC|CCLD) ' stdout && exit 1
 154
 155 # Check recovering from header removal.
 156 rm -f parse.h bar-parse.h
 157 run_make -O V=1 parse.h bar-parse.h
 158
 159 grep ' -d ' stdout
 160 grep 'ylwrap ' stdout
 161
 162 grep 'YACC' stdout && exit 1
 163
 164 :