@@ -1,8 +1,10 @@
 #- modmake
 # this is the master makefile that controls the building of each
 # libk module. it is included from each k*/makefile.
 # vim: ft=make
+
+include ../makerule
 
 mod = $(notdir $(PWD))
 src = $(wildcard *.c) $(wildcard *.s) $(filter-out %.h,$(patsubst %.m,%,$(wildcard *.m)))
 bare = $(mod:k%=%)
@@ -12,20 +14,8 @@
 nontools = $(filter-out %.exe.c,   $(src))
 cobjects = $(filter     %.c,       $(nontools))
 sobjects = $(filter %.${TARGET}.s, $(nontools))
 
-cflags = -std=c11 -isystem ${OUT} -isystem ${TMP} -isystem ${ROOT}/arch -fPIC -nostdlib ${COMPLIB} -L${OUT}
-
-m-env = atom_target_arch=${ARCH}
-m-env += atom_target_os=${OS}
-ifneq (${BITS},) #!!! ifdef does NOT work with environment variables
-    m-env += atom_target_bits=${BITS}
-endif
-m-env += target_posix=${POSIX}
-m-env += target_unix=${UNIX}
-
-m-comp = ${m4} $(m-env:%=-D%)
-
 obj: $(cobjects:%.c=${OUT}/$(mod).%.o) \
 	 $(sobjects:%.s=${OUT}/$(mod).%.o)
 tool: $(tools:%.exe.c=${OUT}/$(mod).%) \
 	  ${OUT}/libk.a