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50 lines
1.7 KiB
50 lines
1.7 KiB
# serial 15 |
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# Configure fcntl.h. |
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dnl Copyright (C) 2006-2007, 2009-2017 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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dnl Written by Paul Eggert. |
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AC_DEFUN([gl_FCNTL_H], |
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[ |
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AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) |
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AC_REQUIRE([gl_FCNTL_O_FLAGS]) |
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gl_NEXT_HEADERS([fcntl.h]) |
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dnl Ensure the type pid_t gets defined. |
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AC_REQUIRE([AC_TYPE_PID_T]) |
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dnl Ensure the type mode_t gets defined. |
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AC_REQUIRE([AC_TYPE_MODE_T]) |
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dnl Check for declarations of anything we want to poison if the |
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dnl corresponding gnulib module is not in use, if it is not common |
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dnl enough to be declared everywhere. |
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gl_WARN_ON_USE_PREPARE([[#include <fcntl.h> |
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]], [fcntl openat]) |
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]) |
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AC_DEFUN([gl_FCNTL_MODULE_INDICATOR], |
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[ |
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only. |
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AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) |
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gl_MODULE_INDICATOR_SET_VARIABLE([$1]) |
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dnl Define it also as a C macro, for the benefit of the unit tests. |
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gl_MODULE_INDICATOR_FOR_TESTS([$1]) |
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]) |
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AC_DEFUN([gl_FCNTL_H_DEFAULTS], |
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[ |
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GNULIB_FCNTL=0; AC_SUBST([GNULIB_FCNTL]) |
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GNULIB_NONBLOCKING=0; AC_SUBST([GNULIB_NONBLOCKING]) |
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GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN]) |
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GNULIB_OPENAT=0; AC_SUBST([GNULIB_OPENAT]) |
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dnl Assume proper GNU behavior unless another module says otherwise. |
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HAVE_FCNTL=1; AC_SUBST([HAVE_FCNTL]) |
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HAVE_OPENAT=1; AC_SUBST([HAVE_OPENAT]) |
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REPLACE_FCNTL=0; AC_SUBST([REPLACE_FCNTL]) |
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REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN]) |
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REPLACE_OPENAT=0; AC_SUBST([REPLACE_OPENAT]) |
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])
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