[gccsdk] Flex and Bison broken?

Guess what? I'm back!

So, now with everyone's help (thank you), I've progressed to the point
that 'make' is trying to invoke flex and then bison.

Both fail. Flex with the following error:

File '$.usr.local.bin.m4' not found

I know there is a port of 'm4' at riscos.info, but it's certainly not
going to be found at that location on my hard drive! From my limited
experience of Linux, that looks like a Linux path converted to a RISC OS
path. I get the same error when trying a very simple invocation of 'flex'
from the command line. Would people agree that 'flex' is broken, or am I
doing something wrong?

So, I plugged in Rik Griffin's port of 'flex'
(http://homepage.ntlworld.com/rik.griffin/) and if I change the paths
appropriately (because it's a Norcroft-compiled version, so has no sfix
swapping implemented) I can get it to work.

Then we get to Bison, which fails similarly:

bison -t -v -b parser -d -o OBJECTS/parser.tab.c src/parser.y
src/parser.y:93.17-24: warning: symbol OPERATOR redeclared
src/parser.y:94.15-23: warning: symbol MACROTEXT redeclared
src/parser.y:263.1: warning: a ';' might be needed at the end of action
code
src/parser.y:263.1: future versions of Bison will not add the ';'
src/parser.y:275.1: warning: a ';' might be needed at the end of action
code
src/parser.y:275.1: future versions of Bison will not add the ';'
src/parser.y:522.1: warning: a ';' might be needed at the end of action
code
src/parser.y:522.1: future versions of Bison will not add the ';'
/HostFS::HostFS.$/AppsInUse/Dev/GCC474r1/!GCC/bin/bison:
/home/alanb/gccsdk/env/share/bison/m4sugar/m4sugar.m4: cannot open: No
such file or directory
make: *** [OBJECTS/parser.tab.c] Error 1

So it looks like there's a hard-coded reference in there to a file:
/home/alanb/gccsdk/env/share/bison/m4sugar/m4sugar.m4 - again, it appears
'bison' is broken. Would people agree?

If anyone has any input on this, it would be greatly appreciated.

Thanks,

WPB

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