t/lex-clean-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 # Check that C++ source files derived from non-distributed Lex sources
  18 # are cleaned by "make clean", while C++ source files derived from
  19 # distributed Lex sources are cleaned by "make maintainer-clean".
  20 # See also sister test 'lex-clean.sh'.
  21
  22 required='c++ lex'
  23 . test-init.sh
  24
  25 cat >> configure.ac << 'END'
  26 AC_PROG_CXX
  27 AC_PROG_LEX
  28 AC_OUTPUT
  29 END
  30
  31 cat > Makefile.am << 'END'
  32 bin_PROGRAMS = foo bar baz qux
  33
  34 foo_SOURCES = mainfoo.cc parsefoo.lxx
  35
  36 bar_SOURCES = mainbar.cpp parsebar.ll
  37 bar_LFLAGS = $(AM_LFLAGS)
  38
  39 baz_SOURCES = mainbaz.c++
  40 nodist_baz_SOURCES = parsebaz.l++
  41
  42 qux_SOURCES = mainqux.cxx
  43 nodist_qux_SOURCES = parsequx.lpp
  44 qux_LFLAGS = $(AM_LFLAGS)
  45
  46 parsebaz.l++ parsequx.lpp:
  47         cp $(srcdir)/parsefoo.lxx $@
  48
  49 CLEANFILES = parsebaz.l++ parsequx.lpp
  50
  51 LDADD = $(LEXLIB)
  52 END
  53
  54 cat > parsefoo.lxx << 'END'
  55 %{
  56 #define YY_DECL int yylex (void)
  57 extern "C" YY_DECL;
  58 #define YY_NO_UNISTD_H 1
  59 int isatty (int fd) { return 0; }
  60 %}
  61 %%
  62 "GOOD"   return EOF;
  63 .
  64 %%
  65 int yywrap (void)
  66 {
  67   return 1;
  68 }
  69 END
  70 cp parsefoo.lxx parsebar.ll
  71
  72 cat > mainfoo.cc << 'END'
  73 // This file should contain valid C++ but invalid C.
  74 extern "C" int yylex (void);
  75 using namespace std;
  76 int main (int argc, char **argv)
  77 {
  78   return yylex ();
  79 }
  80 END
  81 cp mainfoo.cc mainbar.cpp
  82 cp mainfoo.cc mainbaz.c++
  83 cp mainfoo.cc mainqux.cxx
  84
  85 $ACLOCAL
  86 $AUTOCONF
  87 $AUTOMAKE -a
  88
  89 ./configure
  90
  91 cp config.status config.sav
  92
  93 $MAKE
  94 ls -l
  95 # Sanity checks.
  96 test -f parsefoo.cxx
  97 test -f bar-parsebar.cc
  98 test -f parsebaz.l++
  99 test -f parsebaz.c++
 100 test -f parsequx.lpp
 101 test -f qux-parsequx.cpp
 102
 103 for target in clean distclean; do
 104   $MAKE $target
 105   ls -l
 106   test -f parsefoo.cxx
 107   test -f bar-parsebar.cc
 108   test ! -e parsebaz.l++
 109   test ! -e parsebaz.c++
 110   test ! -e parsequx.lpp
 111   test ! -e qux-parsequx.cpp
 112 done
 113
 114 cp config.sav config.status
 115 ./config.status # re-create Makefile
 116
 117 $MAKE maintainer-clean
 118 ls -l
 119 test -f parsefoo.lxx
 120 test -f parsebar.ll
 121 test ! -e parsefoo.cxx
 122 test ! -e bar-parsebar.cc
 123 test -f parsefoo.lxx
 124 test -f parsebar.ll
 125 test ! -e parsefoo.cxx
 126 test ! -e bar-parsebar.cc
 127
 128 :