platform_build/core/cxx_stl_setup.mk
Ying Wang 75e8fcbb6c Apply LOCAL_CXX_STL to also prebuilts.
Because LOCAL_CXX_STL modifies a module's required shared libaries,
we need this for also prebuilt shared libraries and executables.

Change-Id: I418c26143999a613c40aadf990f131b123e0ac3d
2014-10-07 13:07:00 -07:00

67 lines
2.2 KiB
Makefile

#############################################################
## Set up flags based on LOCAL_CXX_STL.
## Input variables: LOCAL_CXX_STL
## Output variables: My_cflags, my_c_includes, my_shared_libraries, etc.
#############################################################
# Only around for development purposes. Will be removed soon.
my_libcxx_is_default := false
# Select the appropriate C++ STL
ifeq ($(strip $(LOCAL_CXX_STL)),default)
ifndef LOCAL_SDK_VERSION
ifeq ($(strip $(my_libcxx_is_default)),true)
# Platform code. Select the appropriate STL.
my_cxx_stl := libc++
else
my_cxx_stl := bionic
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
endif
else ifneq ($(filter $(my_cxx_stl),stlport stlport_static),)
my_c_includes += external/stlport/stlport bionic/libstdc++/include bionic
ifeq ($(my_cxx_stl),stlport)
my_shared_libraries += libstdc++ libstlport
else
my_static_libraries += libstdc++ libstlport_static
endif
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),bionic)
# 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