t/silent-lex.sh

   1 #!/bin/sh
   2 # Copyright (C) 2010-2017 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 Lex.
  18
  19 required='cc lex'
  20 . test-init.sh
  21
  22 mkdir sub
  23
  24 cat >>configure.ac <<'EOF'
  25 AC_PROG_LEX
  26 AC_CONFIG_FILES([sub/Makefile])
  27 AC_OUTPUT
  28 EOF
  29
  30 cat > Makefile.am <<'EOF'
  31 # Need generic and non-generic rules.
  32 bin_PROGRAMS = foo1 foo2
  33 foo1_SOURCES = foo.l
  34 foo2_SOURCES = $(foo1_SOURCES)
  35 foo2_LFLAGS = -n
  36 foo2_CFLAGS = $(AM_CFLAGS)
  37 SUBDIRS = sub
  38 LDADD = $(LEXLIB)
  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.l
  46 bar2_SOURCES = $(bar1_SOURCES)
  47 bar2_LFLAGS = -n
  48 bar2_CFLAGS = $(AM_CFLAGS)
  49 LDADD = $(LEXLIB)
  50 EOF
  51
  52 cat > foo.l <<'EOF'
  53 %{
  54 #define YY_NO_UNISTD_H 1
  55 %}
  56 %%
  57 "END"   return EOF;
  58 .
  59 %%
  60 /* Avoid possible link errors. */
  61 int yywrap (void) { return 1; }
  62 int   main (void) { return 0; }
  63 EOF
  64 cp foo.l sub/bar.l
  65
  66 $ACLOCAL
  67 $AUTOMAKE --add-missing
  68 $AUTOCONF
  69
  70 # Ensure per-target rules are used, to ensure their coverage below.
  71 $FGREP 'foo2-foo.c' Makefile.in || exit 99
  72 $FGREP 'bar2-bar.c' sub/Makefile.in || exit 99
  73
  74 ./configure --enable-silent-rules
  75
  76 run_make -O
  77
  78 $EGREP ' (-c|-o)' stdout && exit 1
  79 $EGREP '(mv|ylwrap) ' stdout && exit 1
  80
  81 grep 'LEX .*foo\.' stdout
  82 grep 'LEX .*bar\.' stdout
  83 grep ' CC .*foo\.' stdout
  84 grep ' CC .*bar\.' stdout
  85 grep 'CCLD .*foo1' stdout
  86 grep 'CCLD .*bar1' stdout
  87 grep 'CCLD .*foo2' stdout
  88 grep 'CCLD .*bar2' 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|-o)' stdout && exit 1
  98 $EGREP '(mv|ylwrap) ' stdout && exit 1
  99
 100 # Don't look for LEX, as probably lex hasn't been re-run.
 101 grep ' CC .*foo\.' stdout
 102 grep ' CC .*bar\.' stdout
 103 grep 'CCLD .*foo1' stdout
 104 grep 'CCLD .*bar1' stdout
 105 grep 'CCLD .*foo2' stdout
 106 grep 'CCLD .*bar2' stdout
 107
 108 # Ensure a truly clean rebuild.
 109 $MAKE clean
 110 rm -f *foo.c sub/*bar.c
 111
 112 run_make -O V=1
 113
 114 grep ' -c ' stdout
 115 grep ' -o ' stdout
 116 grep 'ylwrap ' stdout
 117
 118 $EGREP '(LEX|CC|CCLD) ' stdout && exit 1
 119
 120 # Cleaning and then rebuilding with the same V flag (and without
 121 # removing the generated sources in between) shouldn't trigger a
 122 # different set of rules.
 123 $MAKE clean
 124
 125 run_make -O V=1
 126
 127 # Don't look for ylwrap, as probably lex hasn't been re-run.
 128 grep ' -c ' stdout
 129 grep ' -o ' stdout
 130
 131 $EGREP '(LEX|CC|CCLD) ' stdout && exit 1
 132
 133 :