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version 3.3

#
# $Author: misho $
# $Id: configure.in,v 1.7 2013/01/17 13:01:27 misho Exp $
#
AC_INIT(libaitsess, 3.3, misho@elwix.org)
AC_CONFIG_SRCDIR([src/aitsess.c])
AC_CONFIG_HEADERS([inc/config.h])

# Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL

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(aitio, [io_arrayInit])

# Checks for header files.

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

# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_MMAP
AC_CHECK_FUNCS([bzero memset munmap])
AC_CHECK_FUNCS([pthread_create pthread_exit])
AC_CHECK_FUNCS([shm_open shm_unlink])

# It's stupid, but not all platforms have union semun, even those that need it.
AC_MSG_CHECKING(looking for union semun in sys/sem.h)
AC_TRY_COMPILE([
		#include <sys/types.h>
		#include <sys/ipc.h>
		#include <sys/sem.h>
		],[
		union semun arg;
		semctl(0, 0, 0, arg);
		], [ 
		AC_DEFINE(HAVE_UNION_SEMUN,, [union semun])
		] msg=yes, msg=no )
AC_MSG_RESULT([$msg])

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 ${CFLAGS}"
				;;
			*)
				;;
		esac ],)
AC_MSG_RESULT($DEBUG)

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