[Bug binutils/24028] New: PPC_INT_FMT should be "ll" on Mojave.

[pjb at informatimago dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=24028

            Bug ID: 24028
           Summary: PPC_INT_FMT should be "ll" 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: ---

With binutils-gdb git head, compiling on Mojave, we get errors:
```
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I. -I. -I../bfd -I./../include
-I./../bfd -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow
-Wstack-usage=262144 -Werror -I/usr/local/gcc/include -I/opt/local/include -MT
ppc-dis.lo -MD -MP -MF .deps/ppc-dis.Tpo -c ppc-dis.c -o ppc-dis.o
ppc-dis.c: In function 'print_insn_powerpc':
ppc-dis.c:764:43: error: format '%ld' expects argument of type 'long int', but
argument 3 has type 'int64_t' {aka 'long long int'} [-Werror=format=]
      (*info->fprintf_func) (info->stream, "r%" PPC_INT_FMT "d", value);
                                           ^~~~                  ~~~~~
ppc-dis.c:764:61: note: format string is defined here
      (*info->fprintf_func) (info->stream, "r%" PPC_INT_FMT "d", value);
                                             ~~~~~~~~~~~~~~~~^
ppc-dis.c:766:43: error: format '%ld' expects argument of type 'long int', but
argument 3 has type 'int64_t' {aka 'long long int'} [-Werror=format=]
... etc ...
```
PPC_INT_FMT is defined to be "l" instead of "ll" because 
BFD_HOST_64BIT_LONG is defined as 1 (and BFD_HOST_64BIT_LONG_LONG as 0).

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