build: Implement build pipeline

Signed-off-by: Chloe M. <chloe@mensia.org>

paw/mk/stos.mk

@@ -0,0 +1,52 @@
+#
+# Copyright (c) 2026, Chloe M.
+# Provided under the BSD-3 clause
+#
+# Description:  Build flags and such
+# Author:		Chloe M.
+#
+
+PROMPT := printf "%s\t\t%s\n"
+CC_PREFIX =
+
+ifeq ($(ST_TARGET_ARCH), amd64)
+	CC_TARGET = x86_64-unknown-elf
+else
+	CC_TARGET =
+endif
+
+CC = \
+	clang
+LD = \
+	 ld
+
+SYS_CFLAGS =			\
+	-nostdlib			\
+	-nostdinc			\
+	-ffreestanding		\
+	-fexceptions		\
+	-target $(CC_TARGET)\
+	-mcmodel=kernel		\
+	-Wno-attributes		\
+	-Wno-multichar		\
+	-fno-stack-protector\
+	-D_ST_MULTICORE     \
+
+ifeq ($(ST_TARGET_ARCH),amd64)
+	SYS_CFLAGS += 		\
+		-mno-sse		\
+		-mno-sse2		\
+		-mno-sse3		\
+		-mno-avx		\
+		-mno-avx2		\
+		-mno-80387		\
+		-mno-3dnow		\
+		-mno-mmx
+endif
+
+PASSDOWN_ARGS = \
+	ARCH=$(ST_TARGET_ARCH)	\
+	SYS_CC=$(CC)			\
+	SYS_LD=$(LD)			\
+	SYS_CFLAGS="$(SYS_CFLAGS)"\
+	ARCH_TARGET=$(ARCH_TARGET)