t/lex-depend.sh

   1 #! /bin/sh
   2 # Copyright (C) 2011-2018 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 # Test to make sure automatic dependency tracking work with Lex/C.
  18 # Test suggested by PR automake/6.
  19
  20 required='cc lex'
  21 . test-init.sh
  22
  23 cat >> configure.ac << 'END'
  24 AC_PROG_CC
  25 AM_PROG_LEX
  26 AC_OUTPUT
  27 END
  28
  29 cat > Makefile.am << 'END'
  30 bin_PROGRAMS = zoo
  31 zoo_SOURCES = joe.l
  32 LDADD = $(LEXLIB)
  33
  34 .PHONY: test-deps-exist
  35 test-deps-exist:
  36         ls -l $(DEPDIR) ;: For debugging.
  37         test -f $(DEPDIR)/joe.Po
  38
  39 .PHONY: test-obj-updated
  40 test-obj-updated: joe.$(OBJEXT)
  41         is_newest joe.$(OBJEXT) my-hdr.h
  42 END
  43
  44 cat > joe.l << 'END'
  45 %{
  46 #define YY_NO_UNISTD_H 1
  47 %}
  48 %%
  49 "foo" return EOF;
  50 .
  51 %%
  52 #include "my-hdr.h"
  53 int main (void)
  54 {
  55   printf("%s\n", MESSAGE);
  56   return 0;
  57 }
  58 /* Avoid possible link errors. */
  59 int yywrap (void)
  60 {
  61   return 1;
  62 }
  63 END
  64
  65 cat > my-hdr.h <<'END'
  66 #include <stdio.h>
  67 #define MESSAGE "Hello, World!"
  68 END
  69
  70 $ACLOCAL
  71 $AUTOMAKE -a
  72
  73 $FGREP joe.Po Makefile.in
  74
  75 $AUTOCONF
  76 # Try to enable dependency tracking if possible, even if that means
  77 # using slow dependency extractors.
  78 ./configure --enable-dependency-tracking
  79
  80 $MAKE test-deps-exist
  81 $MAKE
  82 cross_compiling || test "$(./zoo)" = 'Hello, World!' || exit 1
  83
  84 $sleep
  85 cat >> my-hdr.h << 'END'
  86 #undef MESSAGE
  87 #define MESSAGE "Howdy, Earth!"
  88 END
  89 $MAKE test-obj-updated
  90 $MAKE
  91 cross_compiling || test "$(./zoo)" = 'Howdy, Earth!' || exit 1
  92
  93 :