NativeCode.mk revision 347b2a604114602da9bc4ae040278f74d11c2f51 
1# -*- mode: makefile -*-
2# Copyright (C) 2007 The Android Open Source Project
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15
16#
17# Definitions for building the native code needed for the core library.
18#
19
20#
21# Common definitions for host and target.
22#
23
24# Get the list of all native directories that contain sub.mk files.
25# We're using "sub.mk" to make it clear that these are not typical
26# android makefiles.
27define all-core-native-dirs
28$(patsubst %/sub.mk,%,$(shell cd $(LOCAL_PATH) && ls -d */src/$(1)/native/sub.mk 2> /dev/null))
29endef
30
31# These two definitions are used to help sanity check what's put in
32# sub.mk. See, the "error" directives immediately below.
33core_magic_local_target := ...//::default:://...
34core_local_path := $(LOCAL_PATH)
35
36# Include a submakefile, resolve its source file locations,
37# and stick them on core_src_files.  The submakefiles are
38# free to append to LOCAL_SRC_FILES, LOCAL_C_INCLUDES,
39# LOCAL_SHARED_LIBRARIES, or LOCAL_STATIC_LIBRARIES, but nothing
40# else. All other LOCAL_* variables will be ignored.
41#
42# $(1): directory containing the makefile to include
43define include-core-native-dir
44    LOCAL_SRC_FILES :=
45    include $(LOCAL_PATH)/$(1)/sub.mk
46    ifneq ($$(LOCAL_MODULE),$(core_magic_local_target))
47        $$(error $(LOCAL_PATH)/$(1)/sub.mk should not include CLEAR_VARS \
48            or define LOCAL_MODULE)
49    endif
50    ifneq ($$(LOCAL_PATH),$(core_local_path))
51        $$(error $(LOCAL_PATH)/$(1)/sub.mk should not define LOCAL_PATH)
52    endif
53    core_src_files += $$(addprefix $(1)/,$$(LOCAL_SRC_FILES))
54    LOCAL_SRC_FILES :=
55endef
56
57# Find any native directories containing sub.mk files.
58core_native_dirs := $(strip $(call all-core-native-dirs,main))
59ifeq ($(core_native_dirs),)
60    $(error No native code defined for libcore)
61endif
62
63# Set up the default state. Note: We use CLEAR_VARS here, even though
64# we aren't quite defining a new rule yet, to make sure that the
65# sub.mk files don't see anything stray from the last rule that was
66# set up.
67include $(CLEAR_VARS)
68LOCAL_MODULE := $(core_magic_local_target)
69core_src_files :=
70
71# Include the sub.mk files.
72$(foreach dir, \
73    $(core_native_dirs), \
74    $(eval $(call include-core-native-dir,$(dir))))
75
76# Extract out the allowed LOCAL_* variables. Note: $(sort) also
77# removes duplicates.
78core_c_includes := $(sort libcore/include $(LOCAL_C_INCLUDES) $(JNI_H_INCLUDE))
79core_shared_libraries := $(sort $(LOCAL_SHARED_LIBRARIES))
80core_static_libraries := $(sort $(LOCAL_STATIC_LIBRARIES))
81core_cflags := -fvisibility=hidden -fvisibility-inlines-hidden
82core_cflags += '-DGCC_HIDDEN=__attribute__((visibility("hidden")))'
83
84
85#
86# Build for the target (device).
87#
88
89include $(CLEAR_VARS)
90
91LOCAL_CFLAGS += -Wall -Wextra -Werror
92LOCAL_CFLAGS += $(core_cflags)
93ifeq ($(TARGET_ARCH),arm)
94# Ignore "note: the mangling of 'va_list' has changed in GCC 4.4"
95LOCAL_CFLAGS += -Wno-psabi
96endif
97
98# Define the rules.
99LOCAL_SRC_FILES := $(core_src_files)
100LOCAL_C_INCLUDES := $(core_c_includes)
101LOCAL_SHARED_LIBRARIES := $(core_shared_libraries)
102LOCAL_STATIC_LIBRARIES := $(core_static_libraries)
103LOCAL_MODULE_TAGS := optional
104LOCAL_MODULE := libjavacore
105
106ifneq ($(TARGET_SIMULATOR),true)
107LOCAL_C_INCLUDES += external/stlport/stlport bionic/ bionic/libstdc++/include
108LOCAL_SHARED_LIBRARIES += libstlport
109endif
110
111include $(BUILD_STATIC_LIBRARY)
112
113#
114# Build for the host.
115#
116
117ifeq ($(WITH_HOST_DALVIK),true)
118    include $(CLEAR_VARS)
119    # Define the rules.
120    LOCAL_SRC_FILES := $(core_src_files)
121    LOCAL_CFLAGS += $(core_cflags)
122    LOCAL_C_INCLUDES := $(core_c_includes)
123    LOCAL_SHARED_LIBRARIES := $(core_shared_libraries)
124    LOCAL_STATIC_LIBRARIES := $(core_static_libraries)
125    LOCAL_MODULE_TAGS := optional
126    LOCAL_MODULE := libjavacore-host
127    include $(BUILD_HOST_STATIC_LIBRARY)
128endif
129