#
# $Author: misho $
# $Id: configure.in,v 1.4 2017/10/08 22:49:24 misho Exp $
#
AC_INIT(mqtt, 2.0, misho@elwix.org)
AC_CONFIG_HEADERS(inc/config.h)
AC_CONFIG_SRCDIR(src/mqttd.c)

ac_cv_func_malloc_0_nonnull="yes"
ac_cv_func_realloc_0_nonnull="yes"

# Checks for programs.
AC_PROG_CC
AC_PROG_RANLIB
AC_PROG_INSTALL

AC_CANONICAL_HOST
AC_CANONICAL_TARGET

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

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


# Checks for libraries.
AC_CHECK_LIB([util], openpty)
AC_CHECK_LIB([crypto], BF_set_key)
AC_CHECK_LIB([pthread], pthread_create)
AC_CHECK_LIB([sqlite3], sqlite3_reset)
AC_CHECK_LIB([elwix], ait_allocVar)
AC_CHECK_LIB([aitcfg], cfgLoadConfig)
AC_CHECK_LIB([aitmqtt], mqtt_msgAlloc)
AC_CHECK_LIB([aitsched], schedRun)

# Checks for header files.
AC_CHECK_HEADERS([arpa/inet.h fcntl.h netdb.h netinet/in.h stdlib.h string.h sys/param.h sys/socket.h syslog.h unistd.h])

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

# Checks for library functions.
AC_FUNC_FORK
AC_FUNC_MALLOC
AC_FUNC_MMAP
AC_FUNC_REALLOC
AC_CHECK_FUNCS([dup2 gettimeofday memmove memset mkdir munmap regcomp strchr strdup strerror strtol])

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)

SQLITE3DIR="/usr/local"
AC_MSG_CHECKING(SQLite3 install directory)
AC_ARG_WITH(sqlite3dir, 
	[  --with-sqlite3dir=<dir> Custom SQLite3 install directory ], 
	[ SQLITE3DIR="$withval" ], )
AC_MSG_RESULT($SQLITE3DIR)
AC_SUBST(SQLITE3DIR)

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