Re: Updating a legacy bison/yacc grammar file (HELP!)

[Aryeh Friedman]

On Mon, Jun 15, 2020 at 3:57 AM Aryeh Friedman <aryeh.friedman@gmail.com>
wrote:

>
>
> On Mon, Jun 15, 2020 at 12:49 AM Akim Demaille <akim@lrde.epita.fr> wrote:
>
>>
>> You should look for the place where the symbols have be renamed.  It
>> might be outside of the grammar itself, in the build system.  Have a
>> look at this bug report, and the answers.
>>
>> https://lists.gnu.org/r/bug-bison/2020-05/msg00093.html
>>
>
> I will study the report and the answers *VERY* carefully since the grammar
> I am having problems with is for aegis which was written by the same person
> who wrote fhist and libexplain (the two programs the report pertains to)
>

That helped significantly but I still have a few more errors on linking now
that compiling is done:

c++ -v -o unspecified/bin/fmtgen -rdynamic -g -L/usr/local/lib
unspecified/fmtgen/parse.yacc.o unspecified/fmtgen/arglex.o
unspecified/fmtgen/generator.o unspecified/fmtgen/generator/factory.o
unspecified/fmtgen/generator/introsp_code.o
unspecified/fmtgen/generator/introsp_incl.o
unspecified/fmtgen/generator/orig_code.o
unspecified/fmtgen/generator/orig_include.o
unspecified/fmtgen/generator/pair.o unspecified/fmtgen/indent.o
unspecified/fmtgen/lex.o unspecified/fmtgen/main.o
unspecified/fmtgen/type.o unspecified/fmtgen/type/boolean.o
unspecified/fmtgen/type/boolean/code.o
unspecified/fmtgen/type/boolean/include.o
unspecified/fmtgen/type/boolean/introsp_code.o
unspecified/fmtgen/type/boolean/introsp_incl.o
unspecified/fmtgen/type/enumeration.o
unspecified/fmtgen/type/enumeration/code.o
unspecified/fmtgen/type/enumeration/include.o
unspecified/fmtgen/type/enumeration/introsp_code.o
unspecified/fmtgen/type/enumeration/introsp_incl.o
unspecified/fmtgen/type/integer.o unspecified/fmtgen/type/integer/code.o
unspecified/fmtgen/type/integer/include.o
unspecified/fmtgen/type/integer/introsp_code.o
unspecified/fmtgen/type/integer/introsp_incl.o
unspecified/fmtgen/type/list.o unspecified/fmtgen/type/list/code.o
unspecified/fmtgen/type/list/include.o
unspecified/fmtgen/type/list/introsp_code.o
unspecified/fmtgen/type/list/introsp_incl.o unspecified/fmtgen/type/pair.o
unspecified/fmtgen/type/real.o unspecified/fmtgen/type/real/code.o
unspecified/fmtgen/type/real/include.o
unspecified/fmtgen/type/real/introsp_code.o
unspecified/fmtgen/type/real/introsp_incl.o
unspecified/fmtgen/type/string.o unspecified/fmtgen/type/string/code.o
unspecified/fmtgen/type/string/include.o
unspecified/fmtgen/type/string/introsp_code.o
unspecified/fmtgen/type/string/introsp_incl.o
unspecified/fmtgen/type/structure.o
unspecified/fmtgen/type/structure/code.o
unspecified/fmtgen/type/structure/include.o
unspecified/fmtgen/type/structure/introsp_code.o
unspecified/fmtgen/type/structure/introsp_incl.o
unspecified/fmtgen/type/time.o unspecified/fmtgen/type/time/code.o
unspecified/fmtgen/type/time/include.o
unspecified/fmtgen/type/time/introsp_code.o
unspecified/fmtgen/type/time/introsp_incl.o
unspecified/fmtgen/type/top_level.o
unspecified/fmtgen/type/top_level/code.o
unspecified/fmtgen/type/top_level/include.o
unspecified/fmtgen/type/top_level/introsp_code.o
unspecified/fmtgen/type/top_level/introsp_incl.o
unspecified/fmtgen/type/vector.o unspecified/common/common.a -lxml2 -lcurl
-lmagic -lcrypt -lbz2 -lz -lm -lfl
 0:00:00.001 elapsed
 0:00:00.000 usr   0.0%
 0:00:00.001 sys  78.5%
FreeBSD clang version 8.0.1 (tags/RELEASE_801/final 366581) (based on LLVM
8.0.1)
Target: x86_64-unknown-freebsd12.1
Thread model: posix
InstalledDir: /usr/bin
 "/usr/bin/ld" --eh-frame-hdr -export-dynamic -dynamic-linker
/libexec/ld-elf.so.1 --hash-style=both --enable-new-dtags -o
unspecified/bin/fmtgen /usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtbegin.o
-L/usr/local/lib -L/usr/lib unspecified/fmtgen/parse.yacc.o
unspecified/fmtgen/arglex.o unspecified/fmtgen/generator.o
unspecified/fmtgen/generator/factory.o
unspecified/fmtgen/generator/introsp_code.o
unspecified/fmtgen/generator/introsp_incl.o
unspecified/fmtgen/generator/orig_code.o
unspecified/fmtgen/generator/orig_include.o
unspecified/fmtgen/generator/pair.o unspecified/fmtgen/indent.o
unspecified/fmtgen/lex.o unspecified/fmtgen/main.o
unspecified/fmtgen/type.o unspecified/fmtgen/type/boolean.o
unspecified/fmtgen/type/boolean/code.o
unspecified/fmtgen/type/boolean/include.o
unspecified/fmtgen/type/boolean/introsp_code.o
unspecified/fmtgen/type/boolean/introsp_incl.o
unspecified/fmtgen/type/enumeration.o
unspecified/fmtgen/type/enumeration/code.o
unspecified/fmtgen/type/enumeration/include.o
unspecified/fmtgen/type/enumeration/introsp_code.o
unspecified/fmtgen/type/enumeration/introsp_incl.o
unspecified/fmtgen/type/integer.o unspecified/fmtgen/type/integer/code.o
unspecified/fmtgen/type/integer/include.o
unspecified/fmtgen/type/integer/introsp_code.o
unspecified/fmtgen/type/integer/introsp_incl.o
unspecified/fmtgen/type/list.o unspecified/fmtgen/type/list/code.o
unspecified/fmtgen/type/list/include.o
unspecified/fmtgen/type/list/introsp_code.o
unspecified/fmtgen/type/list/introsp_incl.o unspecified/fmtgen/type/pair.o
unspecified/fmtgen/type/real.o unspecified/fmtgen/type/real/code.o
unspecified/fmtgen/type/real/include.o
unspecified/fmtgen/type/real/introsp_code.o
unspecified/fmtgen/type/real/introsp_incl.o
unspecified/fmtgen/type/string.o unspecified/fmtgen/type/string/code.o
unspecified/fmtgen/type/string/include.o
unspecified/fmtgen/type/string/introsp_code.o
unspecified/fmtgen/type/string/introsp_incl.o
unspecified/fmtgen/type/structure.o
unspecified/fmtgen/type/structure/code.o
unspecified/fmtgen/type/structure/include.o
unspecified/fmtgen/type/structure/introsp_code.o
unspecified/fmtgen/type/structure/introsp_incl.o
unspecified/fmtgen/type/time.o unspecified/fmtgen/type/time/code.o
unspecified/fmtgen/type/time/include.o
unspecified/fmtgen/type/time/introsp_code.o
unspecified/fmtgen/type/time/introsp_incl.o
unspecified/fmtgen/type/top_level.o
unspecified/fmtgen/type/top_level/code.o
unspecified/fmtgen/type/top_level/include.o
unspecified/fmtgen/type/top_level/introsp_code.o
unspecified/fmtgen/type/top_level/introsp_incl.o
unspecified/fmtgen/type/vector.o unspecified/common/common.a -lxml2 -lcurl
-lmagic -lcrypt -lbz2 -lz -lm -lfl -lc++ -lm -lgcc --as-needed -lgcc_s
--no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed
/usr/lib/crtend.o /usr/lib/crtn.o
ld: error: undefined symbol: yylex()
>>> referenced by parse.yacc.cc:1324 (fmtgen/parse.yacc.cc:1324)
>>>               unspecified/fmtgen/parse.yacc.o:(yyparse())
c++: error: linker command failed with exit code 1 (use -v to see
invocation)

In fmtgen/parse.y (which gets bisoned into fmt/parse.yacc.cc ... the
original problem I reported was caused by some sed calls as described in
the archived message you pointed me to) I have:

extern int yylex(void);

-- 
Aryeh M. Friedman, Lead Developer, http://www.PetiteCloud.org