compiling problems because of kconfig on mac os sierra

[eliabieri]

When I want to compile using make menuconfig , the compiler throws the following error:

./zconf.hash.c:166:1: error: conflicting types for 'kconf_id_lookup'
kconf_id_lookup (register const char *str, register size_t len)
^
./zconf.hash.c:33:31: note: previous declaration is here
static const struct kconf_id *kconf_id_lookup(register const char *str, register unsigned int len);
                              ^
1 error generated.
make[1]: *** [zconf.tab.o] Error 1

[igrr]

Could you please check the suggestions mentioned here and see if they fix the issue?
pfalcon/esp-open-sdk#236 (comment)

[jtlobdell]

I had this same issue. I modified the declaration in zconf.hash.c to use size_t instead of unsigned int, and that got it to build.

[projectgus]

gperf 3.1 changed the type signature for this function, for 64-bit compatibility reasons.

A permanent fix is pending and will be in master soon.

In the meantime you can delete this entire line from zconf.gperf and it will fix the problem:
https://github.com/espressif/esp-idf/blob/master/tools/kconfig/zconf.gperf#L12

(Editing zconf.hash.c will work until you make clean, because this file is generated from zconf.gperf.)

[oaky87]

same problem