Re: [bison-3.3] sideeffect to flex ?

[Kiyoshi KANAZAWA]

Similar error is also found in automake-1.16.1 make check with bison 3.3, such 
as

checking for bison... bison -y
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: executing depfiles commands
+ make
/bin/sh ../ylwrap ../zardoz.yy y.tab.c zardoz.cc y.tab.h `echo zardoz.cc | sed 
-e s/cc$/hh/ -e s/cpp$/hpp/ -e s/cxx$/hxx/ -e s/c++$/h++/ -e s/c$/h/` y.output 
zardoz.output -- bison -y -d 
/tmp/automake-1.16.1/t/yacc-bison-skeleton-cxx.dir/build/../zardoz.yy:1.1-9: 
error: POSIX Yacc does not support %skeleton [-Werror=yacc]
 %skeleton "lalr1.cc"
 ^~~~~~~~~
/tmp/automake-1.16.1/t/yacc-bison-skeleton-cxx.dir/build/../zardoz.yy:1.11-20: 
error: POSIX Yacc does not support string literals [-Werror=yacc]
 %skeleton "lalr1.cc"
           ^~~~~~~~~~
/tmp/automake-1.16.1/t/yacc-bison-skeleton-cxx.dir/build/../zardoz.yy:2.1-8: 
error: POSIX Yacc does not support %defines [-Werror=yacc]
 %defines
 ^~~~~~~~
make: *** [Makefile:414: zardoz.cc] Error 1
+ am_exit_trap 2


Regards,

--- Kiyoshi


----- Original Message -----
> From: Kiyoshi KANAZAWA <address@hidden>
> To: "address@hidden" <address@hidden>
> Cc: 
> Date: 2019/1/27, Sun 12:58
> Subject: [bison-3.3] sideeffect to flex ?
> 
> Hello,
> 
> Trying to check other OSS's after installing bison-3.3,
> and found flex-2.6.4's make ckech failes.
> This is not occur with bison-3.2.4.
> I can not distinguish which has the problem.
> 
> $ uname -a
> SunOS xxx 5.11 11.3 i86pc i386 i86pc
> 
> 
> $ gcc --version
> gcc (GCC) 7.4.0
> 
> 
> Error in flex-2.6.4 is as follows.
> ===
> gcc -DHAVE_CONFIG_H -I. -I../src  -I../src -I../src   -g -O2 -MT basic_r.o 
> -MD 
> -MP -MF $depbase.Tpo -c -o basic_r.o basic_r.c &&\
> mv -f $depbase.Tpo $depbase.Po
> /bin/sh ../libtool  --tag=CC   --mode=link gcc  -g -O2   -o basic_r basic_r.o 
>  
> -lm 
> libtool: link: gcc -g -O2 -o basic_r basic_r.o  -lm
> ../src/flex -o bison_nr_scanner.c bison_nr_scanner.l
> /bin/sh ../build-aux/ylwrap bison_nr_parser.y y.tab.c bison_nr_parser.c 
> y.tab.h 
> `echo bison_nr_parser.c | sed -e s/cc$/hh/ -e s/cpp$/hpp/ -e s/cxx$/hxx/ -e 
> s/c++$/h++/ -e s/c$/h/` y.output bison_nr_parser.output -- bison -y -d -p 
> test 
> /tmp/flex-2.6.4/tests/bison_nr_parser.y:64.15-17: error: POSIX Yacc does not 
> support string literals [-Werror=yacc]
>  %token  EQUAL "="
>                ^~~
> /tmp/flex-2.6.4/tests/bison_nr_parser.y:65.15-17: error: POSIX Yacc does not 
> support string literals [-Werror=yacc]
>  %token  COLON ":"
>                ^~~
> /tmp/flex-2.6.4/tests/bison_nr_parser.y:66.15-17: error: POSIX Yacc does not 
> support string literals [-Werror=yacc]
>  %token  SPACE " "
>                ^~~
> make[2]: *** [Makefile:2124: bison_nr_parser.c] Error 1
> make[2]: Leaving directory '/tmp/flex-2.6.4/tests'
> make[1]: *** [Makefile:2731: check-am] Error 2
> make[1]: Leaving directory '/tmp/flex-2.6.4/tests'
> make: *** [Makefile:533: check-recursive] Error 1
> ===
> 
> 
> Regards,
> 
> --- Kiyoshi
>