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c7f2343052
The auto-generated files are created by running ./build-aux/bootstrap with Gnulib as at commit d72683055ea46253d8eb8f89341eff5414ae6ca0 (with a date stamp of Sun Jul 24 23:37:17 2011 +0200), Autoconf 2.68 and Automake 1.11.1.
73 lines
2.3 KiB
Plaintext
73 lines
2.3 KiB
Plaintext
# Configure a replacement for <sys/time.h>.
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# serial 6
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# Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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# Written by Paul Eggert and Martin Lambers.
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AC_DEFUN([gl_HEADER_SYS_TIME_H],
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[
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dnl Use AC_REQUIRE here, so that the REPLACE_GETTIMEOFDAY=0 statement
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dnl below is expanded once only, before all REPLACE_GETTIMEOFDAY=1
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dnl statements that occur in other macros.
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AC_REQUIRE([gl_HEADER_SYS_TIME_H_BODY])
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])
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AC_DEFUN([gl_HEADER_SYS_TIME_H_BODY],
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[
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AC_REQUIRE([AC_C_RESTRICT])
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AC_REQUIRE([gl_HEADER_SYS_TIME_H_DEFAULTS])
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AC_CHECK_HEADERS_ONCE([sys/time.h])
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gl_CHECK_NEXT_HEADERS([sys/time.h])
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if test $ac_cv_header_sys_time_h != yes; then
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HAVE_SYS_TIME_H=0
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fi
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AC_CACHE_CHECK([for struct timeval], [gl_cv_sys_struct_timeval],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#if HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#include <time.h>
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]],
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[[static struct timeval x; x.tv_sec = x.tv_usec;]])],
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[gl_cv_sys_struct_timeval=yes],
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[gl_cv_sys_struct_timeval=no])])
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if test $gl_cv_sys_struct_timeval != yes; then
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HAVE_STRUCT_TIMEVAL=0
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fi
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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([[
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#if HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#include <time.h>
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]], [gettimeofday])
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])
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AC_DEFUN([gl_SYS_TIME_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_HEADER_SYS_TIME_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_HEADER_SYS_TIME_H_DEFAULTS],
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[
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GNULIB_GETTIMEOFDAY=0; AC_SUBST([GNULIB_GETTIMEOFDAY])
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dnl Assume POSIX behavior unless another module says otherwise.
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HAVE_GETTIMEOFDAY=1; AC_SUBST([HAVE_GETTIMEOFDAY])
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HAVE_STRUCT_TIMEVAL=1; AC_SUBST([HAVE_STRUCT_TIMEVAL])
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HAVE_SYS_TIME_H=1; AC_SUBST([HAVE_SYS_TIME_H])
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REPLACE_GETTIMEOFDAY=0; AC_SUBST([REPLACE_GETTIMEOFDAY])
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])
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