1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
CC := $(CROSS)gcc
AR := $(CROSS)ar
RANLIB := $(CROSS)ranlib
# Stolen from Linux build system
try-run = $(shell set -e; ($(1)) >/dev/null 2>&1 && echo "$(2)" || echo "$(3)")
cc-option = $(call try-run, $(CC) $(1) -c -xc /dev/null -o /dev/null,$(1),$(2))
CFLAGS ?= -O2 -g
WFLAGS := -Wall \
$(call cc-option,-Wextra) \
$(call cc-option,-Wwrite-strings) \
$(call cc-option,-Wno-sign-compare)
CFLAGS += $(WFLAGS)
CPPFLAGS += -D_FILE_OFFSET_BITS=64
DESTDIR ?= /usr/local
PREFIX=/usr
EXEC_PREFIX=$(PREFIX)
SBINDIR=$(EXEC_PREFIX)/sbin
MANDIR=$(PREFIX)/share/man
INCLUDEDIR=$(PREFIX)/include
ifndef BUILDDIR
ifeq ($(origin CROSS),undefined)
BUILDDIR := $(PWD)
else
# Remove the trailing slash to make the directory name
BUILDDIR := $(PWD)/$(CROSS:-=)
endif
endif
override BUILDDIR := $(patsubst %/,%,$(BUILDDIR))
override TARGETS := $(addprefix $(BUILDDIR)/,$(TARGETS))
SUBDIRS_ALL = $(patsubst %,subdirs_%_all,$(SUBDIRS))
SUBDIRS_CLEAN = $(patsubst %,subdirs_%_clean,$(SUBDIRS))
SUBDIRS_INSTALL = $(patsubst %,subdirs_%_install,$(SUBDIRS))
all:: $(TARGETS) $(SUBDIRS_ALL)
clean:: $(SUBDIRS_CLEAN)
rm -f $(BUILDDIR)/*.o $(TARGETS) $(BUILDDIR)/.*.c.dep
install:: $(TARGETS) $(SUBDIRS_INSTALL)
%: %.o
$(CC) $(CFLAGS) $(LDFLAGS) $(LDFLAGS_$(notdir $@)) -g -o $@ $^ $(LDLIBS) $(LDLIBS_$(notdir $@))
$(BUILDDIR)/%.a:
$(AR) crv $@ $^
$(RANLIB) $@
$(BUILDDIR)/%.o: %.c
ifneq ($(BUILDDIR),$(CURDIR))
mkdir -p $(dir $@)
endif
$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $< -g -Wp,-MD,$(BUILDDIR)/.$(<F).dep
subdirs_%:
d=$(patsubst subdirs_%,%,$@); \
t=`echo $$d | sed s:.*_::` d=`echo $$d | sed s:_.*::`; \
$(MAKE) BUILDDIR=$(BUILDDIR)/$$d -C $$d $$t
.SUFFIXES:
IGNORE=${wildcard $(BUILDDIR)/.*.c.dep}
-include ${IGNORE}
PHONY += all clean install
.PHONY: $(PHONY)
|
