AC_PREREQ([2.69])
AC_INIT
AC_CONFIG_SRCDIR([rlm_redis.c])
AC_REVISION($Revision$)
FR_INIT_MODULE([rlm_redis], [Redis database support])

SMART_LIBS=
SMART_CLFAGS=

FR_MODULE_START_TESTS

dnl ############################################################
dnl # Check for command line options
dnl ############################################################

dnl extra argument: --with-redis-include-dir=DIR
redis_include_dir=
AC_ARG_WITH(redis-include-dir,
	[AS_HELP_STRING([--with-redis-include-dir=DIR],
		[Directory where the redis includes may be found])],
	[case "$withval" in
	no)
		AC_MSG_ERROR(Need redis-include-dir)
		;;
	yes)
		;;
	*)
		redis_include_dir="$withval"
		;;
	esac])

dnl extra argument: --with-redis-lib-dir=DIR
redis_lib_dir=
AC_ARG_WITH(redis-lib-dir,
	[AS_HELP_STRING([--with-redis-lib-dir=DIR],
		[Directory where the redis libraries may be found])],
	[case "$withval" in
	no)
		AC_MSG_ERROR(Need redis-lib-dir)
		;;
	yes)
		;;
	*)
		redis_lib_dir="$withval"
		;;
	esac])

dnl extra argument: --with-redis-dir=DIR
AC_ARG_WITH(redis-dir,
	[AS_HELP_STRING([--with-redis-dir=DIR],
		[Base directory where redis is installed])],
	[case "$withval" in
	no)
		AC_MSG_ERROR(Need redis-dir)
		;;
	yes)
		;;
	*)
		redis_lib_dir="$withval/lib"
		redis_include_dir="$withval/include"
		;;
	esac])

dnl ############################################################
dnl # Check for programs
dnl ############################################################

AC_PROG_CC

dnl ############################################################
dnl # Check for header files
dnl ############################################################

smart_try_dir="${redis_include_dir}"
FR_SMART_CHECK_INCLUDE([hiredis/hiredis.h])
if test "x$ac_cv_header_hiredis_hiredis_h" != "xyes"; then
	AC_MSG_WARN([hiredis headers not found. Use --with-redis-include-dir=<path>.])
	FR_MODULE_FAIL([hiredis.h])
fi

dnl ############################################################
dnl # Check for libraries
dnl ############################################################

smart_try_dir="$redis_lib_dir"
FR_SMART_CHECK_LIB(hiredis, redisConnect)
if test "x$ac_cv_lib_hiredis_redisConnect" != "xyes"
then
	AC_MSG_WARN([hiredis libraries not found. Use --with-redis-lib-dir=<path>.])
	FR_MODULE_FAIL([libhiredis])
fi

FR_MODULE_END_TESTS

mod_ldflags="$SMART_LIBS"
mod_cflags="$SMART_CPPFLAGS"

AC_SUBST(mod_ldflags)
AC_SUBST(mod_cflags)

AC_CONFIG_FILES([all.mk])
AC_OUTPUT