pd/Makefile

INCLUDE_PATH   ?= ./include
INCLUDE_FASMG  ?= ${INCLUDE_PATH}/fasmg
INCLUDE_COMMON ?= ${INCLUDE_PATH}/common
INCLUDE := ${INCLUDE_FASMG};${INCLUDE_COMMON}

FANCY_SYSCALL ?= | sort -nk 3 | column -t
SYSCALL_INC ?= ${INCLUDE_COMMON}/syscall.inc

rwildcard = $(foreach d,$(wildcard $1/*),$(call rwildcard,$d,$2) \
	$(filter $(subst *,%,$2),$d))

FASMG ?= fasmg

.PHONY: all
all: pd

${SYSCALL_INC}:
	mkdir -p '$(dir $@)'
	{ echo '; vim: ft=fasm:' \
	; echo 'if ~ definite syscall' \
	; echo 'namespace syscall' \
	; echo '#include <sys/syscall.h>' \
		| cpp -dM \
		| sed -n 's/^#define\s\(SYS_[^ ]\+\) \([0-9]\+\)$$/\1 equ \2/p' \
		${FANCY_SYSCALL} \
	; echo 'end namespace' \
	; echo 'end if' \
	; } > $@
		

export INCLUDE

%: %.asm $(call rwildcard,./include,*.inc)
	${FASMG} $< $@
	chmod +x $@

.PHONY: clean
clean:
	rm -f pd