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version 4.2

#
# $Author: misho $
# $Id: configure.in,v 1.27 2013/08/26 18:48:23 misho Exp $
#
AC_INIT(libaitsched, 4.2, misho@elwix.org)
AC_CONFIG_SRCDIR([src/aitsched.c])
AC_CONFIG_HEADERS([inc/config.h])

ac_cv_func_malloc_0_nonnull="yes"
ac_cv_func_realloc_0_nonnull="yes"

# Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_RANLIB

AC_CANONICAL_HOST
AC_CANONICAL_TARGET

AC_CHECK_TOOL(MKDEP, mkdep, no)
AC_SUBST(MKDEP)

CFLAGS="-Wall -O2 -fPIC -I/usr/local/include ${CFLAGS}"
LDFLAGS="-L/usr/local/lib ${LDFLAGS}"


# Checks for libraries.
AC_CHECK_LIB([pthread], [pthread_create])
AC_CHECK_LIB([rt], [aio_read])

# Checks for header files.
AC_CHECK_HEADERS([stdint.h stdlib.h string.h sys/time.h unistd.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_SIZE_T

# Checks for library functions.
AC_FUNC_MALLOC
AC_CHECK_FUNCS([clock_gettime memset strerror timer_create timer_settime])

DEBUG=no
AC_MSG_CHECKING(Debug Build)
AC_ARG_ENABLE(debug,
	[  --enable-debug          Build library with debug information and additional messages],
	[ DEBUG=$enableval
		case "$enableval" in
			yes)
				AC_DEFINE(__DEBUG,, [Build libraries with debug information and additional messages])
				CFLAGS="-g ${CFLAGS}"
				;;
			*)
				AC_DEFINE(NDEBUG,, [Turn off debug asserts])
				;;
		esac ], AC_DEFINE(NDEBUG,, [Turn off debug asserts]))
AC_MSG_RESULT($DEBUG)

AIO=no
AC_MSG_CHECKING(AIO Builtin support)
AC_ARG_ENABLE(aio,
	[  --enable-aio            Build scheduler library with AIO operations ], 
	[ AIO=$enableval
		case "$enableval" in
			yes)
				AC_DEFINE(AIO_SUPPORT,, [Build scheduler library with AIO operations])
				;;
			*)
				;;
		esac ],)
AC_MSG_RESULT($AIO)

KQ_EVENTS=24
AC_MSG_CHECKING(How many kqueue events can scheduling at one time)
AC_ARG_WITH(kq_events, 
	[  --with-kq_events        Set how many kqueue events can scheduling at one time ],
	[ KQ_EVENTS=$withval ], KQ_EVENTS=32)
AC_DEFINE_UNQUOTED(KQ_EVENTS, $KQ_EVENTS, [ How many kqueue events can scheduling at one time ])
AC_MSG_RESULT($KQ_EVENTS)

AC_CONFIG_FILES([Makefile
                 inc/Makefile
                 lib/Makefile
                 src/Makefile])
AC_OUTPUT()