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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
# Copyright 2023 Free Software Foundation, Inc.
# This file is part of GNU Emacs.
# GNU Emacs is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# GNU Emacs is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
# ndk-build works by including a bunch of Makefiles which set
# variables, and then having those Makefiles include another makefile
# which actually builds targets.
eq = $(and $(findstring $(1),$(2)),$(findstring $(2),$(1)))
objname = $(1)-static-$(subst /,_,$(2).o)
define single-object-target
ifeq (x$(suffix $(1)),x.c)
$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(LOCAL_PATH)/$(1)
$(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_BUILD_CFLAGS) $(NDK_CFLAGS_$(LOCAL_MODULE)) $(call LOCAL_C_ADDITIONAL_FLAGS,$(1))
else
ifeq (x$(suffix $(1)),x.$(or $(LOCAL_CPP_EXTENSION),cpp))
$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(LOCAL_PATH)/$(1)
$(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_BUILD_CFLAGS) $(NDK_CFLAGS_$(LOCAL_MODULE)) $(NDK_CXXFLAGS_$(LOCAL_MODULE))
else
ifneq ($(or $(call eq,x$(suffix $(1)),x.s),$(call eq,x$(suffix $(1)),x.S)),)
$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(LOCAL_PATH)/$(1)
$(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_ASFLAGS_$(LOCAL_MODULE))
else
ifneq (x$(suffix $(1)),x.asm)
ifeq (x$(suffix $(1)),x.cc)
$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(LOCAL_PATH)/$(1)
$(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_BUILD_CFLAGS) $(NDK_CFLAGS_$(LOCAL_MODULE)) $(NDK_CXXFLAGS_$(LOCAL_MODULE))
else
$$(error Unsupported suffix: $(suffix $(1)))
endif
else
ifneq (x$(LOCAL_ASM_RULE_DEFINED),x)
# Call this function to define a rule that will generate $(1) from
# $(2), a ``.asm'' file. This is an Emacs extension.
$(call LOCAL_ASM_RULE,$(call objname,$(LOCAL_MODULE),$(basename $(1))),$(LOCAL_PATH)/$(strip $(1)))
else
ifeq ($(findstring x86,$(NDK_BUILD_ARCH)),)
$$(error Trying to build nasm file on non-Intel platform!)
else
$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(LOCAL_PATH)/$(1)
$(NDK_BUILD_NASM) -o $$@ -i $(LOCAL_PATH) -i $$(dir $$<) $(NDK_ASFLAGS_$(LOCAL_MODULE)) $$<
endif
endif
endif
endif
endif
endif
ALL_OBJECT_FILES$(LOCAL_MODULE) += $(call objname,$(LOCAL_MODULE),$(basename $(1)))
endef
NDK_CFLAGS_$(LOCAL_MODULE) := $(addprefix -I,$(LOCAL_C_INCLUDES))
NDK_CFLAGS_$(LOCAL_MODULE) += -fPIC -iquote $(LOCAL_PATH) $(LOCAL_EXPORT_CFLAGS) $(LOCAL_CFLAGS) $(LOCAL_CFLAGS_$(NDK_BUILD_ARCH))
NDK_ASFLAGS_$(LOCAL_MODULE) := $(LOCAL_ASFLAGS) $(LOCAL_ASFLAGS_$(NDK_BUILD_ARCH)) $(and $(findstring clang,$(NDK_BUILD_CC)),$(LOCAL_CLANG_ASFLAGS_$(NDK_BUILD_ARCH)))
NDK_LDFLAGS_$(LOCAL_MODULE) := $(LOCAL_LDLIBS) $(LOCAL_LDFLAGS)
NDK_CXXFLAGS_$(LOCAL_MODULE) := $(LOCAL_CPPFLAGS) $(LOCAL_RTTI_FLAG)
ALL_OBJECT_FILES$(LOCAL_MODULE) :=
# Now look for features in LOCAL_CPP_FEATURES and enable them.
ifneq ($(findstring exceptions,$(LOCAL_CPPFLAGS)),)
NDK_CXXFLAGS_$(LOCAL_MODULE) += -fexceptions
endif
ifneq ($(findstring rtti,$(LOCAL_CPPFLAGS)),)
NDK_CXXFLAGS_$(LOCAL_MODULE) += -frtti
endif
ifeq ($(NDK_BUILD_ARCH)$(NDK_ARM_MODE),armarm)
NDK_CFLAGS ::= -marm
else
ifeq ($(NDK_BUILD_ARCH),arm)
NDK_CFLAGS ::= -mthumb
endif
endif
LOCAL_MODULE_FILENAME := $(strip $(LOCAL_MODULE_FILENAME))
ifndef LOCAL_MODULE_FILENAME
ifeq ($(findstring lib,$(LOCAL_MODULE)),lib)
LOCAL_MODULE_FILENAME := $(LOCAL_MODULE)
else
LOCAL_MODULE_FILENAME := lib$(LOCAL_MODULE)
endif
endif
LOCAL_MODULE_FILENAME := $(LOCAL_MODULE_FILENAME).a
# Record this module's dependencies and exported includes and CFLAGS,
# and then add that of its dependencies.
include ndk-resolve.mk
# Then define rules to build all objects.
ALL_SOURCE_FILES := $(LOCAL_SRC_FILES) $(LOCAL_SRC_FILES_$(NDK_BUILD_ARCH))
# Now filter out code that is only built on systems with neon.
ifeq ($(NDK_BUILD_ABI),armeabi-v7a)
ALL_SOURCE_FILES := $(filter-out %.neon,$(ALL_SOURCE_FILES))
endif
# This defines all dependencies.
ALL_OBJECT_FILES$(LOCAL_MODULE) =
$(foreach source,$(ALL_SOURCE_FILES),$(eval $(call single-object-target,$(source))))
# Now define the rule to build the library.
$(LOCAL_MODULE_FILENAME): $(ALL_OBJECT_FILES$(LOCAL_MODULE))
$(NDK_BUILD_AR) r $@ $^
|
