On 09/10/2014 03:31 PM, Pádraig Brady wrote: > On 09/10/2014 03:08 PM, Nick Bowler wrote: >> On 2014-09-10 10:22 +0100, Pádraig Brady wrote: >>> I was able to work around the issue here as there is only a single >>> item in libexec in my project which I excluded from $(transform) like: >>> >>> transform = /myprog/!$(program_transform_name) >> >> This seems like a reasonable solution. But be careful: the above >> won't work if program_transform_name (which is set by the user) contains >> nontrivial sed commands. For example, it will fail if it contains a >> semicolon. >> >> Something like this should be more robust (but untested): >> >> transform = /myprog/q;$(program_transform_name) > > Good suggestion. > The above is more robust and portable according to my testing and: > http://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.69/html_node/Limitations-of-Usual-Tools.html#Limitations-of-Usual-Tools
Though in retrospect less appropriate for this case, as the Makefile uses $(transform) like: sed ....s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' so we don't want transform to break out early and not replace EXEEXT where that's used. cheers, Pádraig.