suffix9.sh 1.4 KB

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  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 <http://www.gnu.org/licenses/>.
  16. # Make sure that Automake choose the shorter route between suffixes
  17. # (related to PR/37)
  18. . test-init.sh
  19. cat >>configure.ac << 'END'
  20. AC_PROG_CC
  21. END
  22. $ACLOCAL
  23. # x_ -> y -> c -> o
  24. # \________/
  25. #
  26. # Automake should follow the bottom route: x_ -> c -> o because
  27. # it is shorter.
  28. #
  29. # It should not take the "-> y ->" route. We use 'y' here so that
  30. # then Automake will complains that YACC is not defined and the test will
  31. # fail when this happens.
  32. cat >Makefile.am << 'END'
  33. bin_PROGRAMS = foo
  34. foo_SOURCES = foo.x_
  35. .x_.y:
  36. cp $< $@
  37. .x_.c:
  38. cp $< $@
  39. END
  40. $AUTOMAKE -a
  41. # Idem with the rules the another order.
  42. cat >Makefile.am << 'END'
  43. bin_PROGRAMS = foo
  44. foo_SOURCES = foo.x_
  45. .x_.c:
  46. cp $< $@
  47. .x_.y:
  48. cp $< $@
  49. END
  50. $AUTOMAKE -a
  51. :