tuklib_cpucores.m4		tuklib_cpucores.m4
	skipping to change at line 12		skipping to change at line 12
	# SYNOPSIS		# SYNOPSIS
	#		#
	# TUKLIB_CPUCORES		# TUKLIB_CPUCORES
	#		#
	# DESCRIPTION		# DESCRIPTION
	#		#
	# Check how to find out the number of available CPU cores in the system.		# Check how to find out the number of available CPU cores in the system.
	# This information is used by tuklib_cpucores.c.		# This information is used by tuklib_cpucores.c.
	#		#
	# Supported methods:		# Supported methods:
			# - GetSystemInfo(): Windows (including Cygwin)
	# - sysctl(): BSDs, OS/2		# - sysctl(): BSDs, OS/2
	# - sysconf(): GNU/Linux, Solaris, Tru64, IRIX, AIX, Cygwin		# - sysconf(): GNU/Linux, Solaris, Tru64, IRIX, AIX, Cygwin (but
			# GetSystemInfo() is used on Cygwin)
	# - pstat_getdynamic(): HP-UX		# - pstat_getdynamic(): HP-UX
	#		#
	# COPYING		# COPYING
	#		#
	# Author: Lasse Collin		# Author: Lasse Collin
	#		#
	# This file has been put into the public domain.		# This file has been put into the public domain.
	# You can do whatever you want with this file.		# You can do whatever you want with this file.
	#		#
	AC_DEFUN_ONCE([TUKLIB_CPUCORES], [		AC_DEFUN_ONCE([TUKLIB_CPUCORES], [
	AC_REQUIRE([TUKLIB_COMMON])		AC_REQUIRE([TUKLIB_COMMON])
	# sys/param.h might be needed by sys/sysctl.h.		# sys/param.h might be needed by sys/sysctl.h.
	AC_CHECK_HEADERS([sys/param.h])		AC_CHECK_HEADERS([sys/param.h])
	AC_CACHE_CHECK([how to detect the number of available CPU cores],		AC_CACHE_CHECK([how to detect the number of available CPU cores],
	[tuklib_cv_cpucores_method], [		[tuklib_cv_cpucores_method], [
			# Maybe checking $host_os would be enough but this matches what
			# tuklib_cpucores.c does.
			#
			# NOTE: IRIX has a compiler that doesn't error out with #error, so use
			# a non-compilable text instead of #error to generate an error.
			AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
			#if defined(_WIN32) || defined(__CYGWIN__)
			int main(void) { return 0; }
			#else
			compile error
			#endif
			]])], [tuklib_cv_cpucores_method=special], [
	# Look for sysctl() solution first, because on OS/2, both sysconf()		# Look for sysctl() solution first, because on OS/2, both sysconf()
	# and sysctl() pass the tests in this file, but only sysctl()		# and sysctl() pass the tests in this file, but only sysctl()
	# actually works.		# actually works.
	AC_COMPILE_IFELSE([AC_LANG_SOURCE([[		AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
	#include <sys/types.h>		#include <sys/types.h>
	#ifdef HAVE_SYS_PARAM_H		#ifdef HAVE_SYS_PARAM_H
	# include <sys/param.h>		# include <sys/param.h>
	#endif		#endif
	#include <sys/sysctl.h>		#include <sys/sysctl.h>
	int		int
	skipping to change at line 85		skipping to change at line 100
	main(void)		main(void)
	{		{
	struct pst_dynamic pst;		struct pst_dynamic pst;
	pstat_getdynamic(&pst, sizeof(pst), 1, 0);		pstat_getdynamic(&pst, sizeof(pst), 1, 0);
	(void)pst.psd_proc_cnt;		(void)pst.psd_proc_cnt;
	return 0;		return 0;
	}		}
	]])], [tuklib_cv_cpucores_method=pstat_getdynamic], [		]])], [tuklib_cv_cpucores_method=pstat_getdynamic], [
	tuklib_cv_cpucores_method=unknown		tuklib_cv_cpucores_method=unknown
	])])])])		])])])])])
	case $tuklib_cv_cpucores_method in		case $tuklib_cv_cpucores_method in
	sysctl)		sysctl)
	AC_DEFINE([TUKLIB_CPUCORES_SYSCTL], [1],		AC_DEFINE([TUKLIB_CPUCORES_SYSCTL], [1],
	[Define to 1 if the number of available CPU cores		[Define to 1 if the number of available CPU cores
	can be detected with sysctl().])		can be detected with sysctl().])
	;;		;;
	sysconf)		sysconf)
	AC_DEFINE([TUKLIB_CPUCORES_SYSCONF], [1],		AC_DEFINE([TUKLIB_CPUCORES_SYSCONF], [1],
	[Define to 1 if the number of available CPU cores		[Define to 1 if the number of available CPU cores
End of changes. 4 change blocks.
	2 lines changed or deleted		17 lines changed or added
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