Hi Bruno, On 13/03/2020, Bruno Haible <bruno@xxxxxxxxx> wrote: > The underlying problem in Autoconf is the following: There is a macro > AC_CACHE_CHECK that does messaging, and a macro AC_CACHE_VAL whose > main purpose is to make a cache lookup, not messaging, but it > nevertheless outputs '(cached)' strings occasionally. > > Please fix this correctly [...] > - or by introducing a macro that is like AC_CACHE_VAL but produces > no spurious output. Such a macro already exists in Autoconf. If you do not need the messaging from AC_CACHE_VAL you can simply use AS_VAR_SET_IF. For example: AS_VAR_SET_IF([my_cv_no_printing], [my_cv_no_printing=hello]) You could also just write a normal shell if statement. Cheers, Nick
