t/ext2.sh

   1 #!/bin/sh
   2 # Copyright (C) 2002-2017 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 # Regression test for a bug reported by Ladislav Strojil.
  18 # Using different extensions for the same language should not
  19 # output the build rules several times.
  20
  21 . test-init.sh
  22
  23 cat >>configure.ac <<EOF
  24 AC_PROG_CXX
  25 EOF
  26
  27 cat >Makefile.am <<EOF
  28 AUTOMAKE_OPTIONS = subdir-objects
  29 bin_PROGRAMS = p q r
  30 p_SOURCES = a.cc b.cpp c.cxx
  31 q_SOURCES = sub/d.cc sub/e.cpp sub/f.cxx
  32 r_SOURCES = g.cc h.cpp i.cxx
  33 r_CXXFLAGS = -DFOO
  34 EOF
  35
  36 $ACLOCAL
  37 $AUTOMAKE
  38
  39 grep '\.o:' Makefile.in > rules
  40 cat rules
  41
  42 # Here is an example of bogus output.  The rules are output several
  43 # times.
  44 #|  .cc.o:
  45 #|  d.o: sub/d.cc
  46 #|  e.o: sub/e.cpp
  47 #|  f.o: sub/f.cxx
  48 #|  r-g.o: g.cc
  49 #|  r-h.o: h.cpp
  50 #|  r-i.o: i.cxx
  51 #|  .cpp.o:
  52 #|  d.o: sub/d.cc
  53 #|  e.o: sub/e.cpp
  54 #|  f.o: sub/f.cxx
  55 #|  r-g.o: g.cc
  56 #|  r-h.o: h.cpp
  57 #|  r-i.o: i.cxx
  58 #|  .cxx.o:
  59 #|  #d.o: sub/d.cc
  60 #|  #e.o: sub/e.cpp
  61 #|  #f.o: sub/f.cxx
  62 #|  #r-g.o: g.cc
  63 #|  #r-h.o: h.cpp
  64 #|  #r-i.o: i.cxx
  65
  66 # Bail out if we find a duplicate.
  67 $PERL -ne 'if (exists $a{$_}) { exit (1) } else { $a{$_} = 1 }' < rules