html-xml-utils 5.0 build fails: undefined symbol _yylineno

[vinc17@…]

The upgrade to html-xml-utils 5.0 fails:

[...]
/usr/bin/gcc-4.0  -O2  -L/opt/local/lib -o hxunxmlns  hxunxmlns.o html.o scan.o openurl.o url.o connectsock.o heap.o errexit.o types.o headers.o dict.o  
/usr/bin/ld: Undefined symbols:
_yylineno
collect2: ld returned 1 exit status
make[1]: *** [hxunxmlns] Error 1
make: *** [all] Error 2

Warning: the following items did not execute (for html-xml-utils): org.macports.destroot org.macports.build
Error: Unable to upgrade port: 1

[blb@…]

That should end up in scan.o, generated by the ylwrap script from scan.l. It doesn't appear to be a bison port version issue, or having bison and/or flex ports installed. 10.4 or 10.5?

[vinc17@…]

10.4 (I also have the bison port installed).

[anonymous]

Milestone Port Bugs deleted

[ryandesign@…]

Issue confirmed on 10.4 with html-xml-utils 5.0 and 5.2 when the flex port is not installed. html-xml-utils 5.5, to which I just updated the port, also seems to fix this.