export OUT = $(PWD)/out
export ARCH = x86
export OS = lin
export BITS = 64
export TMP = $(PWD)/tmp
export TARGET = $(ARCH).$(OS).$(BITS)
moddirs = $(wildcard k*)
binaries = $(wildcard */exe.*.c)
binmods = $(sort $(dir $(binaries)))
header-dir = /usr/include
lib-dir = /usr/lib
posix-oses = lin fbsd dar and hai mgw
ifeq ($(findstring $(OS),$(posix-oses)),$(OS))
export POSIX = yes
else
export POSIX = no
endif
# include libgcc.a in gcc builds, just in case
ifeq ($(CC),gcc)
export COMPLIB = -lgcc
endif
all: defs obj tool lib.static lib.shared
lib.static: defs obj $(OUT)/libk.a
lib.shared: defs obj $(OUT)/libk.so
obj: $(moddirs:%=%.obj)
defs: $(moddirs:%=%.def)
tool: $(OUT)/libk.a $(binmods:%=%.tool)
clean:
rm -rf $(TMP) $(OUT)
install: all
install -d $(header-dir)/k -o root -g wheel
install $(OUT)/k/* $(header-dir)/k/ -o root -g wheel -m 0644
install -d $(lib-dir)/k -o root -g wheel
install $(OUT)/libk.a $(OUT)/libk.so $(OUT)/boot.o \
$(lib-dir)/k/ -o root -g wheel -m 0644
uninstall: $(header-dir)/k $(lib-dir)/k
rm -rf $^
lists = moddirs objects binaries binmods POSIX
dbg:
@echo -e lists: $(foreach var, $(lists), "\\n - \\e[1m$(var)\\e[m = $($(var))")
%.obj: %/makefile ${TARGET}.calls $(OUT)
cd $* && $(MAKE) obj
%.tool: %/makefile $(OUT)
cd $* && $(MAKE) tool
%.dbg: %/makefile $(OUT)
cd $* && $(MAKE) dbg
%.def: %/makefile $(OUT) $(OUT)/k
cd $* && $(MAKE) def
%.calls: arch/makefile
cd arch && $(MAKE) $(TMP)/calls.$*.s
$(OUT)/libk.so: obj $(OUT) $(OUT)/boot.o
ld -shared $(COMPLIB) -o $@ $(filter-out kcore.boot.%, $(wildcard *.o))
# $(CC) -shared -fPIC -nostdlib $(COMPLIB) -o $@ $(OUT)/*.o
$(OUT)/boot.o: $(OUT)/kcore.boot.o $(OUT)/kcore.boot.$(TARGET).o
ld -r $^ -o $(OUT)/boot.o
$(OUT)/libk.a: obj $(OUT)
# using `ar rc` and ranlib here instead of
# `ar rcs` in case `ar` isn't the GNU version
ar rc $@ $(OUT)/*.o
ranlib $@
$(OUT) $(OUT)/k:
mkdir -p $@