t/lex-depend-cxx.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 dependencies work with Lex/C++.
  18 # Test synthesized from PR automake/6.
  19
  20 required='c++ lex'
  21 . test-init.sh
  22
  23 cat >> configure.ac << 'END'
  24 AC_PROG_CXX
  25 AM_PROG_LEX
  26 AC_OUTPUT
  27 END
  28
  29 cat > Makefile.am << 'END'
  30 noinst_PROGRAMS = joe moe
  31 joe_SOURCES = joe.ll
  32 moe_SOURCES = moe.l++
  33 LDADD = $(LEXLIB)
  34
  35 .PHONY: test-deps-exist
  36 test-deps-exist:
  37         ls -l $(DEPDIR) ;: For debugging.
  38         test -f $(DEPDIR)/joe.Po
  39         test -f $(DEPDIR)/moe.Po
  40
  41 .PHONY: test-obj-updated
  42 test-obj-updated: joe.$(OBJEXT) moe.$(OBJEXT)
  43         is_newest joe.$(OBJEXT) my-hdr.hxx
  44         is_newest moe.$(OBJEXT) my-hdr.hxx
  45 END
  46
  47 cat > joe.ll << 'END'
  48 %{
  49 #define YY_DECL int yylex (void)
  50 extern "C" YY_DECL;
  51 #define YY_NO_UNISTD_H 1
  52 int isatty (int fd) { return 0; }
  53 %}
  54 %%
  55 "foo" return EOF;
  56 .
  57 %%
  58 #include "my-hdr.hxx"
  59 int yywrap (void)
  60 {
  61   return 1;
  62 }
  63 int main (int argc, char **argv)
  64 {
  65   return 0;
  66 }
  67 END
  68
  69 cp joe.ll moe.l++
  70
  71 cat > my-hdr.hxx <<'END'
  72 // This header contains deliberately invalid C (but valid C++).
  73 using namespace std;
  74 END
  75
  76 $ACLOCAL
  77 $AUTOMAKE -a
  78
  79 $FGREP joe.Po Makefile.in
  80 $FGREP moe.Po Makefile.in
  81
  82 $AUTOCONF
  83 # Try to enable dependency tracking if possible, even if that means
  84 # using slow dependency extractors.
  85 ./configure --enable-dependency-tracking
  86
  87 # For debugging.
  88 for f in $(find . -name '*.Po'); do
  89   cat $f
  90 done
  91
  92 $MAKE test-deps-exist
  93 $MAKE
  94
  95 $sleep
  96 touch my-hdr.hxx
  97 $MAKE test-obj-updated
  98
  99 :