7e79fcb4e3
Also, upgrade to gnulib 4af1990a0902f5914f582bade9d1aa843a291f5a. * lib/sys_wait.in.h, m4/sys_wait_h.m4: New files. * m4/sys_stat_h.m4, m4/stdlib_h.m4, m4/gnulib-comp.m4, m4/gnulib-cache.m4, lib/stdlib.in.h, lib/Makefile.am: Update.
36 lines
1.2 KiB
Text
36 lines
1.2 KiB
Text
# sys_wait_h.m4 serial 6
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dnl Copyright (C) 2008-2012 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_SYS_WAIT_H],
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[
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AC_REQUIRE([gl_SYS_WAIT_H_DEFAULTS])
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dnl <sys/wait.h> is always overridden, because of GNULIB_POSIXCHECK.
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gl_CHECK_NEXT_HEADERS([sys/wait.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 Check for declarations of anything we want to poison if the
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dnl corresponding gnulib module is not in use.
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gl_WARN_ON_USE_PREPARE([[#include <sys/wait.h>]],
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[waitpid])
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])
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AC_DEFUN([gl_SYS_WAIT_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_SYS_WAIT_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_SYS_WAIT_H_DEFAULTS],
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[
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GNULIB_WAITPID=0; AC_SUBST([GNULIB_WAITPID])
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dnl Assume proper GNU behavior unless another module says otherwise.
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])
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