make modern fails (WSL2/Ubuntu 22.04.4)

[guilgien]

Trying to compile the repo using devkitARM with make modern fails, with the following message:

arm-none-eabi-as -mcpu=arm7tdmi --defsym FIRERED=1 --defsym REVISION=0 --defsym ENGLISH=1 --defsym MODERN=1 -o build/firered_modern/src/help_system.o build/firered_modern/src/help_system.s
arm-none-eabi-as -mcpu=arm7tdmi --defsym FIRERED=1 --defsym REVISION=0 --defsym ENGLISH=1 --defsym MODERN=1 -o build/firered_modern/src/help_system_util.o build/firered_modern/src/help_system_util.s
arm-none-eabi-as -mcpu=arm7tdmi --defsym FIRERED=1 --defsym REVISION=0 --defsym ENGLISH=1 --defsym MODERN=1 -o build/firered_modern/src/hof_pc.o build/firered_modern/src/hof_pc.s
arm-none-eabi-as -mcpu=arm7tdmi --defsym FIRERED=1 --defsym REVISION=0 --defsym ENGLISH=1 --defsym MODERN=1 -o build/firered_modern/src/image_processing_effects.o build/firered_modern/src/image_processing_effects.s
src/intro.c: In function 'SpriteCB_Star':
src/intro.c:2285:52: error: passing argument 2 of 'LoadWordFromTwoHalfwords' from incompatible pointer type [-Wincompatible-pointer-types]
 2285 |         LoadWordFromTwoHalfwords(&sprite->sStar_SparkleRngSeed, &random);
      |                                                    ^~~~~~~
      |                                                    |
      |                                                    u32 * {aka long unsigned int *}
In file included from src/intro.c:15:
include/util.h:13:38: note: expected 'unsigned int *' but argument is of type 'u32 *' {aka 'long unsigned int *'}
   13 | void LoadWordFromTwoHalfwords(u16 *, unsigned *);
      |                                      ^~~~~~~~~~
make[1]: *** [Makefile:276: build/firered_modern/src/intro.o] Error 1
make: *** [Makefile:360: modern] Error 2

No such error occurs when using agbcc with make.