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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
# SPDX-License-Identifier: GPL-2.0
include ../../scripts/Makefile.include
include ../../scripts/utilities.mak # QUIET_CLEAN
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))
endif
CC ?= $(CROSS_COMPILE)gcc
AR ?= $(CROSS_COMPILE)ar
LD ?= $(CROSS_COMPILE)ld
MAKEFLAGS += --no-print-directory
INSTALL = install
# Use DESTDIR for installing into a different root directory.
# This is useful for building a package. The program will be
# installed in this directory as if it was the root directory.
# Then the build tool can move it later.
DESTDIR ?=
DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
LIBFILE = $(OUTPUT)libapi.a
CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -fPIC
ifeq ($(DEBUG),0)
ifeq ($(CC_NO_CLANG), 0)
CFLAGS += -O3
else
CFLAGS += -O6
endif
endif
ifeq ($(DEBUG),0)
CFLAGS += -D_FORTIFY_SOURCE
endif
# Treat warnings as errors unless directed not to
ifneq ($(WERROR),0)
CFLAGS += -Werror
endif
CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
CFLAGS += -I$(srctree)/tools/lib/api
CFLAGS += -I$(srctree)/tools/include
RM = rm -f
API_IN := $(OUTPUT)libapi-in.o
ifeq ($(LP64), 1)
libdir_relative = lib64
else
libdir_relative = lib
endif
prefix ?=
libdir = $(prefix)/$(libdir_relative)
# Shell quotes
libdir_SQ = $(subst ','\'',$(libdir))
all:
export srctree OUTPUT CC LD CFLAGS V
include $(srctree)/tools/build/Makefile.include
include $(srctree)/tools/scripts/Makefile.include
all: fixdep $(LIBFILE)
$(API_IN): FORCE
@$(MAKE) $(build)=libapi
$(LIBFILE): $(API_IN)
$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(API_IN)
define do_install_mkdir
if [ ! -d '$(DESTDIR_SQ)$1' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
fi
endef
define do_install
if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
fi; \
$(INSTALL) $1 $(if $3,-m $3,) '$(DESTDIR_SQ)$2'
endef
install_lib: $(LIBFILE)
$(call QUIET_INSTALL, $(LIBFILE)) \
$(call do_install_mkdir,$(libdir_SQ)); \
cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)
install_headers:
$(call QUIET_INSTALL, headers) \
$(call do_install,cpu.h,$(prefix)/include/api,644); \
$(call do_install,debug.h,$(prefix)/include/api,644); \
$(call do_install,io.h,$(prefix)/include/api,644);
install: install_lib install_headers
clean:
$(call QUIET_CLEAN, libapi) $(RM) $(LIBFILE); \
find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
FORCE:
.PHONY: clean FORCE
|