diff options
Diffstat (limited to 'gnulib/m4/physmem.m4')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/m4/physmem.m4 | 45 |
2 files changed, 45 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/m4/physmem.m4 b/gnulib/m4/physmem.m4 new file mode 100644 index 0000000..6058f48 --- /dev/null +++ b/gnulib/m4/physmem.m4 @@ -0,0 +1,45 @@ +# physmem.m4 serial 11 +dnl Copyright (C) 2002-2003, 2005-2006, 2008-2011 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# Check for the external symbol, _system_configuration, +# a struct with member `physmem'. +AC_DEFUN([gl_SYS__SYSTEM_CONFIGURATION], + [AC_CACHE_CHECK([for external symbol _system_configuration], + gl_cv_var__system_configuration, + [AC_LINK_IFELSE([AC_LANG_PROGRAM( + [[#include <sys/systemcfg.h> + ]], + [[double x = _system_configuration.physmem; + if (x > 0.0) return 0;]])], + [gl_cv_var__system_configuration=yes], + [gl_cv_var__system_configuration=no])]) + + if test $gl_cv_var__system_configuration = yes; then + AC_DEFINE([HAVE__SYSTEM_CONFIGURATION], [1], + [Define to 1 if you have the external variable, + _system_configuration with a member named physmem.]) + fi + ] +) + +AC_DEFUN([gl_PHYSMEM], +[ + # Prerequisites of lib/physmem.c. + AC_CHECK_HEADERS([sys/pstat.h sys/sysmp.h sys/sysinfo.h \ + machine/hal_sysinfo.h sys/table.h sys/param.h sys/systemcfg.h],,, + [AC_INCLUDES_DEFAULT]) + dnl <sys/sysctl.h> requires <sys/param.h> on OpenBSD 4.0. + AC_CHECK_HEADERS([sys/sysctl.h],,, + [AC_INCLUDES_DEFAULT + #if HAVE_SYS_PARAM_H + # include <sys/param.h> + #endif + ]) + + AC_CHECK_FUNCS([pstat_getstatic pstat_getdynamic sysmp getsysinfo sysctl table]) + AC_REQUIRE([gl_SYS__SYSTEM_CONFIGURATION]) +]) |