93766b28ce
Previously, code defaulted to using libstdc++ (which was GNU libstdc++ on the host, or Bionic's "libstdc++" on the target). Now we default to libc++. The exception for this is when using mingw, because we cannot build libc++ for mingw. Change-Id: I68726fa26cdcb6263f17c838d3e859debd57fae1
68 lines
2.2 KiB
Makefile
68 lines
2.2 KiB
Makefile
#############################################################
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## Set up flags based on LOCAL_CXX_STL.
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## Input variables: LOCAL_CXX_STL
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## Output variables: My_cflags, my_c_includes, my_shared_libraries, etc.
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#############################################################
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# Select the appropriate C++ STL
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ifeq ($(strip $(LOCAL_CXX_STL)),default)
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ifndef LOCAL_SDK_VERSION
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# Platform code. Select the appropriate STL.
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ifndef USE_MINGW
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my_cxx_stl := libc++
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else
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# libc++ is not supported on mingw.
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my_cxx_stl := libstdc++
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endif
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else
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my_cxx_stl := ndk
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endif
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else
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my_cxx_stl := $(strip $(LOCAL_CXX_STL))
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endif
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ifneq ($(filter $(my_cxx_stl),libc++ libc++_static),)
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my_cflags += -D_USING_LIBCXX
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my_c_includes += external/libcxx/include
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ifeq ($(my_cxx_stl),libc++)
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my_shared_libraries += libc++
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else
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my_static_libraries += libc++_static
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endif
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ifdef LOCAL_IS_HOST_MODULE
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my_cppflags += -nostdinc++
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my_ldflags += -nodefaultlibs
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my_ldlibs += -lc -lm -lpthread
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endif
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else ifneq ($(filter $(my_cxx_stl),stlport stlport_static),)
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ifndef LOCAL_IS_HOST_MODULE
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my_c_includes += external/stlport/stlport bionic/libstdc++/include \
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bionic
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ifeq ($(my_cxx_stl),stlport)
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my_shared_libraries += libstdc++ libstlport
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else
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my_static_libraries += libstdc++ libstlport_static
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endif
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endif
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else ifeq ($(my_cxx_stl),ndk)
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# Using an NDK STL. Handled farther up in this file.
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ifndef LOCAL_IS_HOST_MODULE
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my_system_shared_libraries += libstdc++
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endif
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else ifeq ($(my_cxx_stl),libstdc++)
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# Using bionic's basic libstdc++. Not actually an STL. Only around until the
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# tree is in good enough shape to not need it.
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ifndef LOCAL_IS_HOST_MODULE
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my_c_includes += bionic/libstdc++/include
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my_system_shared_libraries += libstdc++
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endif
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# Host builds will use GNU libstdc++.
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else ifeq ($(my_cxx_stl),none)
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ifdef LOCAL_IS_HOST_MODULE
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my_cppflags += -nostdinc++
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my_ldflags += -nodefaultlibs -lc -lm
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endif
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else
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$(error $(my_cxx_stl) is not a supported STL.)
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endif
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