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40 lines
1.4 KiB
Plaintext
40 lines
1.4 KiB
Plaintext
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# physmem.m4 serial 7
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dnl Copyright (C) 2002, 2003, 2005, 2006 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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# Check for the external symbol, _system_configuration,
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# a struct with member `physmem'.
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AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION],
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[AC_CACHE_CHECK(for external symbol _system_configuration,
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gl_cv_var__system_configuration,
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[AC_LINK_IFELSE([AC_LANG_PROGRAM(
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[[#include <sys/systemcfg.h>
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]],
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[double x = _system_configuration.physmem;
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if (x > 0.0) return 0;])],
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[gl_cv_var__system_configuration=yes],
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[gl_cv_var__system_configuration=no])])
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if test $gl_cv_var__system_configuration = yes; then
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AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
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[Define to 1 if you have the external variable,
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_system_configuration with a member named physmem.])
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fi
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]
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)
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AC_DEFUN([gl_PHYSMEM],
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[
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AC_LIBOBJ([physmem])
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# Prerequisites of lib/physmem.c.
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AC_CHECK_HEADERS([sys/pstat.h sys/sysmp.h sys/sysinfo.h \
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machine/hal_sysinfo.h sys/table.h sys/param.h sys/sysctl.h \
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sys/systemcfg.h],,, [AC_INCLUDES_DEFAULT])
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AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic sysmp getsysinfo sysctl table)
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AC_REQUIRE([gl_SYS__SYSTEM_CONFIGURATION])
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])
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