~drizzle-trunk/drizzle/development

815.1.1 by Monty Taylor
Add timegm which is missing on Solaris.
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dnl Reentrant time functions like localtime_r.
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dnl Copyright (C) 2003, 2006, 2007, 2008 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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dnl Written by Paul Eggert.
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AC_DEFUN([gl_TIME_R],
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[
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 dnl Persuade glibc and Solaris <time.h> to declare localtime_r.
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  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
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  AC_REQUIRE([AC_C_RESTRICT])
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  AC_CACHE_CHECK([whether localtime_r is compatible with its POSIX signature],
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    [gl_cv_time_r_posix],
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    [AC_TRY_COMPILE(
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       [#include <time.h>],
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       [/* We don't need to append 'restrict's to the argument types,
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	   even though the POSIX signature has the 'restrict's,
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	   since C99 says they can't affect type compatibility.  */
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	struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r;
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        if (ptr) return 0;
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        /* Check the return type is a pointer.  On HP-UX 10 it is 'int'.  */
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        *localtime_r (0, 0);],
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       [gl_cv_time_r_posix=yes],
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       [gl_cv_time_r_posix=no])])
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  if test $gl_cv_time_r_posix = yes; then
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    REPLACE_LOCALTIME_R=0
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  else
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    REPLACE_LOCALTIME_R=1
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    AC_LIBOBJ([time_r])
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    gl_PREREQ_TIME_R
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  fi
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])
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# Prerequisites of lib/time_r.c.
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AC_DEFUN([gl_PREREQ_TIME_R], [
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  :
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])