#
# $Author: misho $
# $Id: configure.in,v 1.9 2014/02/05 23:31:54 misho Exp $
#
AC_INIT(embedtools, 2.4, misho@elwix.org)
AC_CONFIG_SRCDIR([src/cfexec.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_CANONICAL_HOST
AC_CANONICAL_TARGET

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

OS=$(uname)
AC_SUBST(OS)

CFLAGS="-Wall -O2 -fPIC -g -DINET6 ${CFLAGS}"
LDFLAGS="${LDFLAGS}"

# Checks for libraries.
AC_CHECK_LIB([elwix], [str_Trim])
AC_CHECK_LIB([aitcfg], [LoadConfig])
AC_CHECK_LIB([aitsync], [syncDelta])
AC_CHECK_LIB([aitwww], [www_XMLGet])
AC_CHECK_LIB([crypto], [MD5_Init])
AC_CHECK_LIB([util], [openpty])

# Checks for header files.
AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h netdb.h netinet/in.h paths.h stdlib.h string.h sys/ioctl.h sys/mount.h sys/param.h sys/socket.h sys/time.h syslog.h unistd.h utmp.h utmpx.h])
AC_CHECK_HEADERS([libutil.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UID_T
AC_TYPE_UINT32_T
AC_TYPE_UINT8_T

# Checks for library functions.
AC_FUNC_FORK
AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
AC_FUNC_MALLOC
AC_FUNC_MMAP
AC_FUNC_REALLOC
AC_FUNC_WAIT3
AC_CHECK_FUNCS([alarm bzero dup2 endpwent getcwd gethostbyname gethostname inet_ntoa isascii memmove memset munmap select socket strcasecmp strchr strdup strerror strrchr strspn strstr strtol strtoul strtonum])
AC_CHECK_FUNCS([kldnext kldfirstmod modfnext modstat kldload])

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 ${CFLAGS}"
				;;
			*)
				AC_DEFINE(NDEBUG,, [Build w/o assert() support])
				;;
		esac ],)
AC_MSG_RESULT($DEBUG)

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