On Thu, Mar 16, 2017 at 05:19:28PM -0400, [email protected] wrote: > Thomas Dickey writes: > >On Thu, Mar 16, 2017 at 12:30:19PM -0400, [email protected] wrote: > >> > >> I'm trying to compile vile 9.8s, but I'm getting stuck here: > >> > >> echo "#include <flt_defs.h>" > sh-filt.c > >> flex -t sh-filt.l >> sh-filt.c > >> /usr/bin/m4:stdin:2872: ERROR: end of file in string > >> makefile:248: recipe for target 'sh-filt.o' failed > >> make[1]: *** [sh-filt.o] Error 1 > >> make[1]: Leaving directory '/home/hymie/vile-9.8s/filters' > > > >That's a bug in "new" flex (reported earlier this year against 2.6.1), > >which sees "[[" in a comment and gets confused: > > > >#define LEN_KSH_TEST_DOWN 2 /* "[[" */ > >#define LEN_BACKTIC1_DOWN 2 /* "$(" */ > >#define LEN_BACKTIC2_DOWN 3 /* "$((" */ > >#define LEN_BRACEGRP_DOWN 3 /* "$("{space} */ > > I adjusted the offending line > > #define LEN_KSH_TEST_DOWN 2 > > but I still get the same error > > cd filters && make prefix=/usr/local DESTDIR= all > make[1]: Entering directory '/home/hymie/vile-9.8s/filters' > echo "#include <flt_defs.h>" > sh-filt.c > flex -t sh-filt.l >> sh-filt.c > /usr/bin/m4:stdin:2872: ERROR: end of file in string > makefile:248: recipe for target 'sh-filt.o' failed > make[1]: *** [sh-filt.o] Error 1 > make[1]: Leaving directory '/home/hymie/vile-9.8s/filters' > > I also found this > > C_INT16 0x[[[:xdigit:]]+ > > which appears to have an extra [
agreed (odd that neither old/new flex nor lex mentioned this).
But following that direction ("new" flex is relying on m4 to do some
parsing...), there's another pitfall for its m4-related bug on line 201:
FLEX_PRINTF((stderr, "cannot pop '[[' level %d\n", stk_level));
--
Thomas E. Dickey <[email protected]>
http://invisible-island.net
ftp://invisible-island.net
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