a3a06feeed
libm is a default library for device builds, so default it for host builds as well. Also removes duplicate additions of -ldl, -lpthread, -lm and -lrt. Test: m host Change-Id: I6a07e12053090eb6997b79d4091c28ac9a9022de
119 lines
4.3 KiB
Makefile
119 lines
4.3 KiB
Makefile
#############################################################
|
|
## Set up flags based on LOCAL_CXX_STL.
|
|
## Input variables: LOCAL_CXX_STL, my_prefix
|
|
## Output variables: My_cflags, my_c_includes, my_shared_libraries, etc.
|
|
#############################################################
|
|
|
|
# Select the appropriate C++ STL
|
|
ifeq ($(strip $(LOCAL_CXX_STL)),default)
|
|
ifndef LOCAL_SDK_VERSION
|
|
# Platform code. Select the appropriate STL.
|
|
my_cxx_stl := libc++
|
|
ifdef LOCAL_IS_HOST_MODULE
|
|
ifneq (,$(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
|
|
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 $(my_cxx_stl),libc++ libc++_static),)
|
|
# libc++ is not supported on mingw.
|
|
my_cxx_stl := libstdc++
|
|
endif
|
|
endif
|
|
endif
|
|
endif
|
|
|
|
# Yes, this is actually what the clang driver does.
|
|
linux_dynamic_gcclibs := -lgcc_s -lgcc -lc -lgcc_s -lgcc
|
|
linux_static_gcclibs := -Wl,--start-group -lgcc -lgcc_eh -lc -Wl,--end-group
|
|
darwin_dynamic_gcclibs := -lc -lSystem
|
|
darwin_static_gcclibs := NO_STATIC_HOST_BINARIES_ON_DARWIN
|
|
windows_dynamic_gcclibs := \
|
|
-lmsvcr110 -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt -ladvapi32 \
|
|
-lshell32 -luser32 -lkernel32 -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt
|
|
windows_static_gcclibs := NO_STATIC_HOST_BINARIES_ON_WINDOWS
|
|
|
|
my_link_type := dynamic
|
|
ifdef LOCAL_IS_HOST_MODULE
|
|
ifneq (,$(BUILD_HOST_static))
|
|
my_link_type := static
|
|
endif
|
|
ifeq (-static,$(filter -static,$(my_ldflags)))
|
|
my_link_type := static
|
|
endif
|
|
else
|
|
ifeq (true,$(LOCAL_FORCE_STATIC_EXECUTABLE))
|
|
my_link_type := static
|
|
endif
|
|
endif
|
|
|
|
my_cxx_ldlibs :=
|
|
ifneq ($(filter $(my_cxx_stl),libc++ libc++_static),)
|
|
my_cflags += -D_USING_LIBCXX
|
|
|
|
# Note that the structure of this means that LOCAL_CXX_STL := libc++ will
|
|
# use the static libc++ for static executables.
|
|
ifeq ($(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
|
|
endif
|
|
|
|
ifdef LOCAL_IS_HOST_MODULE
|
|
my_cppflags += -nostdinc++
|
|
my_ldflags += -nodefaultlibs
|
|
my_cxx_ldlibs += $($($(my_prefix)OS)_$(my_link_type)_gcclibs)
|
|
else
|
|
ifeq (arm,$($(my_prefix)$(LOCAL_2ND_ARCH_VAR_PREFIX)ARCH))
|
|
my_static_libraries += libunwind_llvm
|
|
my_ldflags += -Wl,--exclude-libs,libunwind_llvm.a
|
|
endif
|
|
|
|
ifeq ($(my_link_type),static)
|
|
my_static_libraries += libm libc libdl
|
|
endif
|
|
endif
|
|
else ifeq ($(my_cxx_stl),ndk)
|
|
# Using an NDK STL. Handled in binary.mk.
|
|
else ifeq ($(my_cxx_stl),libstdc++)
|
|
ifndef LOCAL_IS_HOST_MODULE
|
|
$(error $(LOCAL_PATH): $(LOCAL_MODULE): libstdc++ is not supported for device modules)
|
|
else ifneq ($($(my_prefix)OS),windows)
|
|
$(error $(LOCAL_PATH): $(LOCAL_MODULE): libstdc++ is not supported on $($(my_prefix)OS))
|
|
endif
|
|
else ifeq ($(my_cxx_stl),none)
|
|
ifdef LOCAL_IS_HOST_MODULE
|
|
my_cppflags += -nostdinc++
|
|
my_ldflags += -nodefaultlibs
|
|
my_cxx_ldlibs += $($($(my_prefix)OS)_$(my_link_type)_gcclibs)
|
|
endif
|
|
else
|
|
$(error $(LOCAL_PATH): $(LOCAL_MODULE): $(my_cxx_stl) is not a supported STL.)
|
|
endif
|