Weird IDO error

crashoveride@LAPTOP-ONO6IEMV:/mnt/c/sm64decomp/lultra/sm20L$ make
/home/crashoveride/qemu-irix -silent -L tools/ido5.3_compiler tools/ido5.3_compiler/usr/bin/cc -c -Wab,-r4300_mul -non_shared -G 0 -Xcpluscomm -Xfullwarn -signed -g -nostdinc -I include/libc -DTARGET_N64 -I include -I build/us -I build/us/include -I src -I . -DVERSION_US -DNON_MATCHING -DAVOID_UB -mips2 -32 -DF3D_OLD -o build/us/src/engine/surface_collision.o src/engine/surface_collision.c
cfe: Error: include/types.h, line 44: Syntax Error
 typedef uintptr_t GeoLayout;
 ------------------^
cfe: Error: include/types.h, line 44: Empty declaration specifiers
 typedef uintptr_t GeoLayout;
 ------------------^
Makefile:487: recipe for target 'build/us/src/engine/surface_collision.o' failed
make: *** [build/us/src/engine/surface_collision.o] Error 1