kc3-lang/gnulib/m4/dup.m4

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• Hash : 026b2bde
  Author :
  Date : 2011-09-24T17:42:03
  

  dup: Simplify autoconf test.
  
  * m4/dup.m4 (gl_FUNC_DUP): Don't run a test program. Instead, just rely
  on gl_MSVC_INVAL's result.
  

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• m4/dup.m4

• # dup.m4 serial 2
  dnl Copyright (C) 2011 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
  dnl with or without modifications, as long as this notice is preserved.
  
  AC_DEFUN([gl_FUNC_DUP],
  [
    AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
    AC_REQUIRE([gl_MSVC_INVAL])
    if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
      REPLACE_DUP=1
    fi
    dnl Replace dup() for supporting the gnulib-defined fchdir() function,
    dnl to keep fchdir's bookkeeping up-to-date.
    m4_ifdef([gl_FUNC_FCHDIR], [
      gl_TEST_FCHDIR
      if test $HAVE_FCHDIR = 0; then
        REPLACE_DUP=1
      fi
    ])
  ])
  
  # Prerequisites of lib/dup.c.
  AC_DEFUN([gl_PREREQ_DUP], [
    AC_REQUIRE([AC_C_INLINE])
  ])
  

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