t/silent-lex.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 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 AM_LFLAGS = --never-interactive
  32
  33 # Need generic and non-generic rules.
  34 bin_PROGRAMS = foo1 foo2
  35 foo1_SOURCES = foo.l
  36 foo2_SOURCES = $(foo1_SOURCES)
  37 foo2_LFLAGS = -n
  38 foo2_CFLAGS = $(AM_CFLAGS)
  39 SUBDIRS = sub
  40 LDADD = $(LEXLIB)
  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.l
  50 bar2_SOURCES = $(bar1_SOURCES)
  51 bar2_LFLAGS = -n
  52 bar2_CFLAGS = $(AM_CFLAGS)
  53 LDADD = $(LEXLIB)
  54 EOF
  55
  56 cat > foo.l <<'EOF'
  57 %%
  58 "END"   return EOF;
  59 .
  60 %%
  61 /* Avoid possible link errors. */
  62 int yywrap (void) { return 1; }
  63 int   main (void) { return 0; }
  64 EOF
  65 cp foo.l sub/bar.l
  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 'LEX .*foo\.' stdout
  83 grep 'LEX .*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 LEX, as probably lex 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.c sub/*bar.c
 112
 113 run_make -O V=1
 114
 115 grep ' -c ' stdout
 116 grep ' -o ' stdout
 117 grep 'ylwrap ' stdout
 118
 119 $EGREP '(LEX|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 '(LEX|CC|CCLD) ' stdout && exit 1
 133
 134 :