+AM_CONDITIONAL(ENABLE_GSM_BS, test "x$with_gsm_bs" == "xyes" )
+
+# check for gsm-ms
+AC_ARG_WITH([gsm-ms],
+ [AS_HELP_STRING([--with-gsm-ms],
+ [compile with Osmocom-bb support @<:@default=check@:>@])
+ ],
+ [],
+ [with_gsm_ms="check"])
+
+AS_IF([test "x$with_gsm_ms" != xno],
+ [AC_CHECK_FILE([layer23/include/osmocom/osmocom_data.h],
+ [with_gsm_ms="yes"],
+ [if test "x$with_gsm_ms" != xcheck ; then
+ AC_MSG_FAILURE(
+ [--with-gsm-ms was given, but osmocom-bb/include/osmocom/osmocom_data.h was not found! Pleas link Osmocom-BB and libosmocore source directory to LCR source directory: ln -s path_to_osmocom-bb/src/host/layer23/ layer23 ; ln -s path_to_libosmocore libosmocore])
+ fi
+ ])
+ ])
+
+AM_CONDITIONAL(ENABLE_GSM_MS, test "x$with_gsm_ms" == "xyes" )
+
+AM_CONDITIONAL(ENABLE_GSM, test "x$with_gsm_bs" == "xyes" -o "x$with_gsm_ms" == "xyes")