#############################################################
## Set up flags based on LOCAL_CXX_STL.
-## Input variables: LOCAL_CXX_STL
+## Input variables: LOCAL_CXX_STL, my_prefix
## Output variables: My_cflags, my_c_includes, my_shared_libraries, etc.
#############################################################
ifeq ($(strip $(LOCAL_CXX_STL)),default)
ifndef LOCAL_SDK_VERSION
# Platform code. Select the appropriate STL.
- ifndef USE_MINGW
- my_cxx_stl := libc++
- ifdef LOCAL_IS_HOST_MODULE
- ifneq (,$(BUILD_HOST_static))
- my_cxx_stl := libc++_static
- endif
+ my_cxx_stl := libc++
+ ifdef LOCAL_IS_HOST_MODULE
+ ifneq (,$(BUILD_HOST_static))
+ my_cxx_stl := libc++_static
+ endif
+
+ ifeq ($($(my_prefix)OS),windows)
+ # libc++ is not supported on mingw.
+ my_cxx_stl := libstdc++
endif
- 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))
+ ifdef LOCAL_SDK_VERSION
+ # The NDK has historically used LOCAL_NDK_STL_VARIANT to specify the
+ # STL. An Android.mk that specifies both LOCAL_CXX_STL and
+ # LOCAL_SDK_VERSION will incorrectly try (and most likely fail) to use
+ # the platform STL in an NDK binary. Emit an error to direct the user
+ # toward the correct option.
+ #
+ # Note that we could also accept LOCAL_CXX_STL as an alias for
+ # LOCAL_NDK_STL_VARIANT (and in fact soong does use the same name), but
+ # the two options use different names for the STLs.
+ $(error $(LOCAL_PATH): $(LOCAL_MODULE): Must use LOCAL_NDK_STL_VARIANT rather than LOCAL_CXX_STL for NDK binaries)
+ endif
+ ifdef LOCAL_IS_HOST_MODULE
+ ifeq ($($(my_prefix)OS),windows)
+ ifneq ($(filter $(my_cxx_stl),libc++ libc++_static),)
+ # libc++ is not supported on mingw.
+ my_cxx_stl := libstdc++
+ endif
+ endif
+ endif
endif
# Yes, this is actually what the clang driver does.
-HOST_linux_dynamic_gcclibs := -lgcc_s -lgcc -lc -lgcc_s -lgcc
-HOST_linux_static_gcclibs := -Wl,--start-group -lgcc -lgcc_eh -lc -Wl,--end-group
-HOST_darwin_dynamic_gcclibs := -lc -lSystem
-HOST_darwin_static_gcclibs := NO_STATIC_HOST_BINARIES_ON_DARWIN
+linux_dynamic_gcclibs := -lgcc_s -lgcc -lc -lgcc_s -lgcc
+linux_static_gcclibs := -Wl,--start-group -lgcc -lgcc_eh -lc -Wl,--end-group
+darwin_dynamic_gcclibs := -lc -lSystem
+darwin_static_gcclibs := NO_STATIC_HOST_BINARIES_ON_DARWIN
+windows_dynamic_gcclibs := \
+ -lmsvcr110 -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt -ladvapi32 \
+ -lshell32 -luser32 -lkernel32 -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt
+windows_static_gcclibs := NO_STATIC_HOST_BINARIES_ON_WINDOWS
my_link_type := dynamic
ifdef LOCAL_IS_HOST_MODULE
ifneq ($(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++
+
+ # Note that the structure of this means that LOCAL_CXX_STL := libc++ will
+ # use the static libc++ for static executables.
+ ifeq ($(my_link_type),dynamic)
+ ifeq ($(my_cxx_stl),libc++)
+ my_shared_libraries += libc++
+ else
+ my_static_libraries += libc++_static
+ endif
else
my_static_libraries += libc++_static
- ifndef LOCAL_IS_HOST_MODULE
- ifeq ($(LOCAL_FORCE_STATIC_EXECUTABLE),true)
- my_static_libraries += libm libc libdl
- endif
- endif
endif
ifdef LOCAL_IS_HOST_MODULE
my_cppflags += -nostdinc++
my_ldflags += -nodefaultlibs
my_ldlibs += -lpthread -lm
- my_ldlibs += $($(my_prefix)$(HOST_OS)_$(my_link_type)_gcclibs)
+ my_ldlibs += $($($(my_prefix)OS)_$(my_link_type)_gcclibs)
else
ifeq (arm,$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
my_static_libraries += libunwind_llvm
endif
ifeq ($(my_link_type),static)
- my_static_libraries += libdl
+ my_static_libraries += libm libc libdl
else
my_shared_libraries += libdl
endif
endif
else ifeq ($(my_cxx_stl),ndk)
# Using an NDK STL. Handled in binary.mk.
- ifndef LOCAL_IS_HOST_MODULE
- my_system_shared_libraries += libstdc++
- endif
else ifeq ($(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.
ifdef LOCAL_IS_HOST_MODULE
my_cppflags += -nostdinc++
my_ldflags += -nodefaultlibs
- my_ldlibs += $($(my_prefix)$(HOST_OS)_$(my_link_type)_gcclibs)
+ my_ldlibs += $($($(my_prefix)OS)_$(my_link_type)_gcclibs)
endif
else
$(error $(LOCAL_PATH): $(LOCAL_MODULE): $(my_cxx_stl) is not a supported STL.)