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M4 Source File  |  1992-11-22  |  468b  |  19 lines
  1. dnl Local additions to Autoconf macros.
  2. dnl Copyright (C) 1992 Free Software Foundation, Inc.
  3. dnl Francois Pinard <pinard@iro.umontreal.ca>, 1992.
  4. dnl
  5. define(FP_PROTOTYPES,
  6. [echo checking for ANSI prototypes
  7. AC_PROGRAM_EGREP(yes,
  8. [#ifdef __STDC__
  9.   yes
  10. #endif
  11. ], , U=_)
  12. AC_SUBST(U)])dnl
  13. dnl
  14. define(FP_VARLENGTH_ARRAYS,
  15. [echo checking for variable length arrays
  16. AC_TEST_PROGRAM([f(n)int n;{int array[n];}main(){f(7);exit(0);}
  17. ], AC_DEFINE(HAVE_VARLENGTH_ARRAYS))
  18. ])dnl
  19.