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49114fd43d
This updates Gnulib to v0.0-4889-ge375fe3. * m4/gnulib-cache.m4: Add `accept', `bind', `close', `connect', `getpeername', `getsockname', `getsockopt', `listen', `malloc', `malloca', `recv', `recvfrom', `send', `sendto', `setsockopt', `shutdown', `socket', and `sockets', requested by Jan Nieuwenhuizen <janneke-list@xs4all.nl> for cross-MinGW32 builds. Add `trunc', requested by Mark H Weaver <mhw@netris.org>.
26 lines
745 B
Text
26 lines
745 B
Text
# flock.m4 serial 2
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dnl Copyright (C) 2008-2011 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_FUNC_FLOCK],
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[
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AC_REQUIRE([gl_HEADER_SYS_FILE_H_DEFAULTS])
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AC_CHECK_FUNCS_ONCE([flock])
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if test $ac_cv_func_flock = no; then
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HAVE_FLOCK=0
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AC_LIBOBJ([flock])
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gl_PREREQ_FLOCK
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fi
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])
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dnl Prerequisites of lib/flock.c.
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AC_DEFUN([gl_PREREQ_FLOCK],
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[
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AC_CHECK_FUNCS_ONCE([fcntl])
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AC_CHECK_HEADERS_ONCE([unistd.h])
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dnl Do we have a POSIX fcntl lock implementation?
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AC_CHECK_MEMBERS([struct flock.l_type],[],[],[[#include <fcntl.h>]])
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])
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