snap fix

Author: NikolasK-source

modbus.cmake

@@ -16,10 +16,10 @@ ExternalProject_Add(
         libmodbus
         PREFIX ${MODBUS_BIN}
         SOURCE_DIR ${MODBUS_DIR}
-        DOWNLOAD_COMMAND cd ${MODBUS_DIR} && git clean -dfX && ${MODBUS_DIR}/autogen.sh
-        CONFIGURE_COMMAND ${MODBUS_DIR}/configure --srcdir=${MODBUS_DIR} --prefix=${MODBUS_BIN} --enable-static=yes --disable-shared
-        BUILD_COMMAND make
-        INSTALL_COMMAND make install
+        DOWNLOAD_COMMAND cd ${MODBUS_DIR} && git clean -dfX
+        CONFIGURE_COMMAND cd ${MODBUS_DIR} && git clean -dfX && ${MODBUS_DIR}/autogen.sh && ${MODBUS_DIR}/configure --srcdir=${MODBUS_DIR} --prefix=${MODBUS_BIN} --enable-static=yes --disable-shared
+        BUILD_COMMAND cd ${MODBUS_DIR} && make
+        INSTALL_COMMAND cd ${MODBUS_DIR} && make install
         BUILD_BYPRODUCTS ${MODBUS_STATIC_LIB}
 )