Hi Sebasien, On 2/3/22 04:23, Paul Eggert wrote:
On 3/1/22 09:08, Sébastien Hinderer wrote:Is there a conventional / recommended way to test whether a program supports a given command-line option?You can use either AS_IF or plain sh 'if', depending on how complicated the then- and else- parts are.
You might find the macro YAT_RUN_LOG useful, which is a wrapper around AS_IF with some extra stuff like redirecting stderr to the log etc.
https://dev.thep.lu.se/yat/svn/trunk/m4/yat_common.m4 Peter
