On Sun, Oct 31, 2010 at 11:54:04AM +0100, Jan Engelhardt wrote: > Hi, > > > While trying to utilize Autotools in a preexisting project that > previously just relied on Makefiles, I came across ylwrap failing for > some absurd, unknown reason. I couldn't help but run sh -x and debug it > piecewise. > > So what's ultimately done is running flex inside a temp directory, > > flex /home/jengelh/code/iproute2/tc/emp_ematch_lex.l > > It turns out flex produces a file called lex.ematch_.c, which is > something ylwrap so does not expect at all - it only checks for > what's in pairlist="yy.lex.c emp_ematch_lex.c". > > I can use AM_LFLAGS = -o yy.lex.c to work around it, but that feels like > an ugly hack. What's up with flex here?
You added a prefix "ematch_" in your flex source file. ylwrap doesn't like that. In fact, ylwrap doesn't like multiple parsers in one project, at all... and it doesn't bother renaming flex-generated header files, either. -- Pippijn van Steenhoven
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