Il 14/03/2012 16:37, Ramana Radhakrishnan ha scritto: > Empirically I spotted this odd behaviour with > gcc_GAS_CHECK_FEATURE and comments - Attached are the 2 alternate > patches that I tried and the difference in the configure scripts > themselves . I am no m4 expert but it does look like the m4_substr in > gcc_GAS_CHECK_FEATURE doesn't really like that comment there. > > Any ideas anyone ? I must decline any knowledge of m4 at this point > and I don't want to commit this until I understand what's going on > here.
Yes, the # comment is actually part of the macro argument. If you want to write a "real" comment (i.e. at the m4 rather than shell level) use "dnl" instead of "#". The patch with correct configure output is ok. Paolo
