[Bug] Pinky4 default keymap fails to build on Guix System

Describe the Bug

I'm following along with the newbs guide and when it has me build the default keymap to test my environment works, it fails with error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?

System Information

• Keyboard: Pinky4

  • Revision (if applicable): v0.2

• Operating system: Guix System GNU/Linux

• AVR GCC version: avr-gcc (GCC) 7.5.0

• ARM GCC version: arm-none-eabi-gcc (GCC) 7.3.1 20180622 (7-2018-q2-update)

• QMK Firmware version: 0.11.64

• Any keyboard related software installed?
  • AutoHotKey
  • Karabiner
  • Other:

Additional Context

brad@anpan:~/ > ~/.local/bin/qmk compile -kb pinky/4 -km default
Ψ Compiling keymap with make -j 1 pinky/4:default


QMK Firmware 0.11.64
Making pinky/4 with keymap default

avr-gcc (GCC) 7.5.0
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiling: keyboards/pinky/pinky.c                                                                 In file included from quantum/quantum.h:19:0,
                 from keyboards/pinky/pinky.h:19,
                 from keyboards/pinky/pinky.c:16:
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1456:25: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern size_t strlen_PF(uint_farptr_t src) __ATTR_CONST__; /* program memory can't change */
                         ^~~~~~~~~~~~~
                         uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1472:26: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern size_t strnlen_PF(uint_farptr_t src, size_t len) __ATTR_CONST__; /* program memory can't change */
                          ^~~~~~~~~~~~~
                          uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1487:36: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern void *memcpy_PF(void *dest, uint_farptr_t src, size_t len);
                                    ^~~~~~~~~~~~~
                                    uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1502:36: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern char *strcpy_PF(char *dest, uint_farptr_t src);
                                    ^~~~~~~~~~~~~
                                    uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1522:37: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern char *strncpy_PF(char *dest, uint_farptr_t src, size_t len);
                                     ^~~~~~~~~~~~~
                                     uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1538:36: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern char *strcat_PF(char *dest, uint_farptr_t src);
                                    ^~~~~~~~~~~~~
                                    uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1559:37: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern size_t strlcat_PF(char *dst, uint_farptr_t src, size_t siz);
                                     ^~~~~~~~~~~~~
                                     uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1576:37: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern char *strncat_PF(char *dest, uint_farptr_t src, size_t len);
                                     ^~~~~~~~~~~~~
                                     uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1592:38: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern int strcmp_PF(const char *s1, uint_farptr_t s2) __ATTR_PURE__;
                                      ^~~~~~~~~~~~~
                                      uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1609:39: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern int strncmp_PF(const char *s1, uint_farptr_t s2, size_t n) __ATTR_PURE__;
                                       ^~~~~~~~~~~~~
                                       uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1625:42: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern int strcasecmp_PF(const char *s1, uint_farptr_t s2) __ATTR_PURE__;
                                          ^~~~~~~~~~~~~
                                          uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1643:43: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern int strncasecmp_PF(const char *s1, uint_farptr_t s2, size_t n) __ATTR_PURE__;
                                           ^~~~~~~~~~~~~
                                           uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1659:40: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern char *strstr_PF(const char *s1, uint_farptr_t s2);
                                        ^~~~~~~~~~~~~
                                        uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1671:37: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern size_t strlcpy_PF(char *dst, uint_farptr_t src, size_t siz);
                                     ^~~~~~~~~~~~~
                                     uint_fast8_t
/home/brad/.guix-profile/avr/include/avr/pgmspace.h:1687:36: error: unknown type name ‘uint_farptr_t’; did you mean ‘uint_fast8_t’?
 extern int memcmp_PF(const void *, uint_farptr_t, size_t) __ATTR_PURE__;
                                    ^~~~~~~~~~~~~
                                    uint_fast8_t
 [ERRORS]
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make[1]: *** [tmk_core/rules.mk:412: .build/obj_pinky_4_default/keyboards/pinky/pinky.o] Error 1
Make finished with errors
make: *** [Makefile:523: pinky/4:default] Error 1