cxx_stl_setup.mk revision 5cab04ffd2c29e2a03ab0706d5542b9b18c289ff
1#############################################################
2## Set up flags based on LOCAL_CXX_STL.
3## Input variables: LOCAL_CXX_STL
4## Output variables: My_cflags, my_c_includes, my_shared_libraries, etc.
5#############################################################
6
7# Only around for development purposes. Will be removed soon.
8my_libcxx_is_default := false
9
10# Select the appropriate C++ STL
11ifeq ($(strip $(LOCAL_CXX_STL)),default)
12    ifndef LOCAL_SDK_VERSION
13        ifeq ($(strip $(my_libcxx_is_default)),true)
14            # Platform code. Select the appropriate STL.
15            my_cxx_stl := libc++
16        else
17            my_cxx_stl := libstdc++
18        endif
19    else
20        my_cxx_stl := ndk
21    endif
22else
23    my_cxx_stl := $(strip $(LOCAL_CXX_STL))
24endif
25
26ifneq ($(filter $(my_cxx_stl),libc++ libc++_static),)
27    my_cflags += -D_USING_LIBCXX
28    my_c_includes += external/libcxx/include
29    ifeq ($(my_cxx_stl),libc++)
30        my_shared_libraries += libc++
31    else
32        my_static_libraries += libc++_static
33    endif
34
35    ifdef LOCAL_IS_HOST_MODULE
36        my_cppflags += -nostdinc++
37        my_ldflags += -nodefaultlibs
38        my_ldlibs += -lc -lm -lpthread
39    endif
40else ifneq ($(filter $(my_cxx_stl),stlport stlport_static),)
41    ifndef LOCAL_IS_HOST_MODULE
42        my_c_includes += external/stlport/stlport bionic/libstdc++/include \
43                         bionic
44        ifeq ($(my_cxx_stl),stlport)
45            my_shared_libraries += libstdc++ libstlport
46        else
47            my_static_libraries += libstdc++ libstlport_static
48        endif
49    endif
50else ifeq ($(my_cxx_stl),ndk)
51    # Using an NDK STL. Handled farther up in this file.
52    ifndef LOCAL_IS_HOST_MODULE
53        my_system_shared_libraries += libstdc++
54    endif
55else ifeq ($(my_cxx_stl),libstdc++)
56    # Using bionic's basic libstdc++. Not actually an STL. Only around until the
57    # tree is in good enough shape to not need it.
58    ifndef LOCAL_IS_HOST_MODULE
59        my_c_includes += bionic/libstdc++/include
60        my_system_shared_libraries += libstdc++
61    endif
62    # Host builds will use GNU libstdc++.
63else ifeq ($(my_cxx_stl),none)
64    ifdef LOCAL_IS_HOST_MODULE
65        my_cppflags += -nostdinc++
66        my_ldflags += -nodefaultlibs -lc -lm
67    endif
68else
69    $(error $(my_cxx_stl) is not a supported STL.)
70endif
71