[Bug binutils/24029] New: Failure to compile plural.c (libintl) on Mojave.

[pjb at informatimago dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=24029

            Bug ID: 24029
           Summary: Failure to compile plural.c (libintl) on Mojave.
           Product: binutils
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: pjb at informatimago dot com
  Target Milestone: ---

Compiling binutil-gdb git HEAD on Mojave, we get those errors:
```
gcc -c  -g -O2 -DHAVE_CONFIG_H  -I. -I. plural.c
In file included from plural.y:35:
plural-exp.h:102:23: error: conflicting types for 'libintl_gettextparse'
 # define PLURAL_PARSE libintl_gettextparse
                       ^~~~~~~~~~~~~~~~~~~~
plural.y:40:25: note: in expansion of macro 'PLURAL_PARSE'
 # define __gettextparse PLURAL_PARSE
                         ^~~~~~~~~~~~

plural.c:190:5: note: in expansion of macro '__gettextparse'
 int __gettextparse (void);

plural.c:190:5: note: in expansion of macro '__gettextparse'
 int __gettextparse (void);
     ^~~~~~~~~~~~~~
plural-exp.h:102:23: note: previous declaration of 'libintl_gettextparse' was
here
 # define PLURAL_PARSE libintl_gettextparse
                       ^~~~~~~~~~~~~~~~~~~~
plural-exp.h:114:12: note: in expansion of macro 'PLURAL_PARSE'
 extern int PLURAL_PARSE PARAMS ((void *arg));
            ^~~~~~~~~~~~
plural-exp.h:102:23: error: conflicting types for 'libintl_gettextparse'
 # define PLURAL_PARSE libintl_gettextparse
                       ^~~~~~~~~~~~~~~~~~~~
plural.y:40:25: note: in expansion of macro 'PLURAL_PARSE'
 # define __gettextparse PLURAL_PARSE
                         ^~~~~~~~~~~~
plural.c:66:25: note: in expansion of macro '__gettextparse'
 #define yyparse         __gettextparse
                         ^~~~~~~~~~~~~~
plural.c:1127:1: note: in expansion of macro 'yyparse'
 yyparse (void)
 ^~~~~~~
plural-exp.h:102:23: note: previous declaration of 'libintl_gettextparse' was
here
 # define PLURAL_PARSE libintl_gettextparse
                       ^~~~~~~~~~~~~~~~~~~~
plural-exp.h:114:12: note: in expansion of macro 'PLURAL_PARSE'
 extern int PLURAL_PARSE PARAMS ((void *arg));
            ^~~~~~~~~~~~
plural.c: In function 'libintl_gettextparse':
plural.c:67:25: error: too few arguments to function '__gettextlex'
 #define yylex           __gettextlex
                         ^~~~~~~~~~~~
plural.c:1295:16: note: in expansion of macro 'yylex'
       yychar = yylex (&yylval);
                ^~~~~
plural.c:67:25: note: declared here
 #define yylex           __gettextlex
                         ^~~~~~~~~~~~
plural.y:69:12: note: in expansion of macro 'yylex'
 static int yylex PARAMS ((YYSTYPE *lval, const char **pexp));
            ^~~~~
plural.y:178:29: error: 'arg' undeclared (first use in this function)
      ((struct parse_args *) arg)->res = $1;
                             ^~~
plural.y:178:29: note: each undeclared identifier is reported only once for
each function it appears in
make[2]: *** [Makefile:133: plural.o] Error 1
make[2]: Leaving directory '/usr/local/gcc/src/binutils-gdb/intl'
make[1]: *** [Makefile:5940: all-intl] Error 2
make[1]: Leaving directory '/usr/local/gcc/src/binutils-gdb'
make: *** [Makefile:878: all] Error 2
```

I would say that "YFLAGS = --name-prefix=__gettext" in the Makefile is at
fault...  See the comment in plural-exp.h, we are in the case IN_LIBINTL, not
in the case_LIBC!

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