| 1 | # physmem.m4 serial 5
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| 2 | dnl Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
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| 3 | dnl This file is free software; the Free Software Foundation
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| 4 | dnl gives unlimited permission to copy and/or distribute it,
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| 5 | dnl with or without modifications, as long as this notice is preserved.
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| 6 |
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| 7 | # Check for the external symbol, _system_configuration,
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| 8 | # a struct with member `physmem'.
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| 9 | AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION],
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| 10 | [AC_CACHE_CHECK(for external symbol _system_configuration,
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| 11 | gl_cv_var__system_configuration,
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| 12 | [AC_LINK_IFELSE([AC_LANG_PROGRAM(
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| 13 | [[#include <sys/systemcfg.h>
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| 14 | ]],
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| 15 | [double x = _system_configuration.physmem;])],
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| 16 | [gl_cv_var__system_configuration=yes],
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| 17 | [gl_cv_var__system_configuration=no])])
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| 18 |
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| 19 | if test $gl_cv_var__system_configuration = yes; then
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| 20 | AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
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| 21 | [Define to 1 if you have the external variable,
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| 22 | _system_configuration with a member named physmem.])
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| 23 | fi
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| 24 | ]
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| 25 | )
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| 26 |
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| 27 | AC_DEFUN([gl_PHYSMEM],
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| 28 | [
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| 29 | AC_LIBSOURCES([physmem.c, physmem.h])
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| 30 | AC_LIBOBJ([physmem])
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| 31 |
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| 32 | # Prerequisites of lib/physmem.c.
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| 33 | AC_CHECK_HEADERS([sys/pstat.h sys/sysmp.h sys/sysinfo.h \
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| 34 | machine/hal_sysinfo.h sys/table.h sys/param.h sys/sysctl.h \
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| 35 | sys/systemcfg.h],,, [AC_INCLUDES_DEFAULT])
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| 36 |
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| 37 | AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic sysmp getsysinfo sysctl table)
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| 38 | AC_REQUIRE([gl_SYS__SYSTEM_CONFIGURATION])
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| 39 | ])
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