kc3-lang/gnulib/m4/pipe2.m4

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• Hash : e074cd27
  Author :
  Date : 2023-01-22T01:23:47
  

  Resolve conflicts for functions introduced in Android API level 9.
  
  * lib/unistd.in.h (fdatasync): Consider REPLACE_FDATASYNC. Disable
  _GL_CXXALIASWARN invocation on non-glibc systems.
  (pipe2): Consider REPLACE_PIPE2. Disable _GL_CXXALIASWARN invocation on
  non-glibc systems.
  * m4/unistd_h.m4 (gl_UNISTD_H_DEFAULTS): Initialize REPLACE_FDATASYNC,
  REPLACE_PIPE2.
  * modules/unistd (Makefile.am): Substitute REPLACE_FDATASYNC,
  REPLACE_PIPE2.
  * m4/fdatasync.m4 (gl_FUNC_FDATASYNC): Test for fdatasync using
  gl_CHECK_FUNCS_ANDROID instead of AC_CHECK_FUNCS. Conditionally set
  REPLACE_FDATASYNC.
  * modules/fdatasync (Depends-on, configure.ac): Consider
  REPLACE_FDATASYNC.
  * m4/pipe2.m4 (gl_FUNC_PIPE2): Conditionally set REPLACE_PIPE2.
  

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• m4/pipe2.m4

• # pipe2.m4 serial 4
  dnl Copyright (C) 2009-2023 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_PIPE2],
  [
    AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  
    dnl Persuade glibc <unistd.h> to declare pipe2().
    AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
  
    gl_CHECK_FUNCS_ANDROID([pipe2], [[#include <unistd.h>]])
    if test $ac_cv_func_pipe2 != yes; then
      HAVE_PIPE2=0
      case "$gl_cv_onwards_func_pipe2" in
        future*) REPLACE_PIPE2=1 ;;
      esac
    else
      REPLACE_PIPE2=1
    fi
  ])
  

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