Linux Q

[godreborn]

does anyone know what could cause this?

[godreborn@GODREBORN-LAPTOP sm64-port]$ make TARGET_PS4=1 pkg
clang++ -cc1 -x c -triple x86_64-scei-ps4-elf -munwind-tables -std=c11 -ffreestanding -nostdinc++ -nobuiltininc -fno-builtin -nostdsysteminc -stack-protector 0 -Werror-implicit-function-declaration -Wfatal-errors -Ips4/memory -I/include -I/include/orbis/_types -Ideps/include -DTARGET_PS4 -DORBIS -D_BSD_SOURCE -DNDEBUG -pthread -fuse-init-array -emit-obj -O2 -I include -I build/us_ps4 -I build/us_ps4/include -I src -I . -DVERSION_US -DF3DEX_GBI_2E -DNO_SEGMENTED_MEMORY -O2 -I include -I build/us_ps4 -I build/us_ps4/include -I src -I . -D_LANGUAGE_C -DVERSION_US -DNON_MATCHING -DAVOID_UB -DENABLE_OPENGL -DWIDESCREEN -DF3DEX_GBI_2E -o build/us_ps4/src/engine/behavior_script.o src/engine/behavior_script.c
In file included from src/engine/behavior_script.c:1:
include/ultra64.h:4:10: fatal error: 'math.h' file not found
#include <math.h>
^~~~~~~~
1 error generated.
make: *** [Makefile:848: build/us_ps4/src/engine/behavior_script.o] Error 1

I'm using arch linux btw with virtually nothing installed, so it doesn't make sense how it can't find math.h when it's indeed present.