| ############################################################# |
| ## Set up flags based on LOCAL_CXX_STL. |
| ## Input variables: LOCAL_CXX_STL |
| ## Output variables: My_cflags, my_c_includes, my_shared_libraries, etc. |
| ############################################################# |
| |
| # Select the appropriate C++ STL |
| ifeq ($(strip $(LOCAL_CXX_STL)),default) |
| ifndef LOCAL_SDK_VERSION |
| # Platform code. Select the appropriate STL. |
| ifndef USE_MINGW |
| my_cxx_stl := libc++ |
| else |
| # libc++ is not supported on mingw. |
| my_cxx_stl := libstdc++ |
| endif |
| else |
| my_cxx_stl := ndk |
| endif |
| else |
| my_cxx_stl := $(strip $(LOCAL_CXX_STL)) |
| endif |
| |
| ifneq ($(filter $(my_cxx_stl),libc++ libc++_static),) |
| my_cflags += -D_USING_LIBCXX |
| my_c_includes += external/libcxx/include |
| ifeq ($(my_cxx_stl),libc++) |
| my_shared_libraries += libc++ |
| else |
| my_static_libraries += libc++_static |
| endif |
| |
| ifdef LOCAL_IS_HOST_MODULE |
| my_cppflags += -nostdinc++ |
| my_ldflags += -nodefaultlibs |
| my_ldlibs += -lc -lm -lpthread |
| endif |
| else ifneq ($(filter $(my_cxx_stl),stlport stlport_static),) |
| ifndef LOCAL_IS_HOST_MODULE |
| my_c_includes += external/stlport/stlport bionic/libstdc++/include \ |
| bionic |
| ifeq ($(my_cxx_stl),stlport) |
| my_shared_libraries += libstdc++ libstlport |
| else |
| my_static_libraries += libstdc++ libstlport_static |
| endif |
| endif |
| else ifeq ($(my_cxx_stl),ndk) |
| # Using an NDK STL. Handled farther up in this file. |
| ifndef LOCAL_IS_HOST_MODULE |
| my_system_shared_libraries += libstdc++ |
| endif |
| else ifeq ($(my_cxx_stl),libstdc++) |
| # Using bionic's basic libstdc++. Not actually an STL. Only around until the |
| # tree is in good enough shape to not need it. |
| ifndef LOCAL_IS_HOST_MODULE |
| my_c_includes += bionic/libstdc++/include |
| my_system_shared_libraries += libstdc++ |
| endif |
| # Host builds will use GNU libstdc++. |
| else ifeq ($(my_cxx_stl),none) |
| ifdef LOCAL_IS_HOST_MODULE |
| my_cppflags += -nostdinc++ |
| my_ldflags += -nodefaultlibs -lc -lm |
| endif |
| else |
| $(error $(my_cxx_stl) is not a supported STL.) |
| endif |