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LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)

# measurements show that the ARM version of ZLib is about x1.17 faster
# than the thumb one...
LOCAL_ARM_MODE := arm

zlib_files := \
        src/adler32.c \
        src/compress.c \
        src/crc32.c \
        src/deflate.c \
        src/gzclose.c \
        src/gzlib.c \
        src/gzread.c \
        src/gzwrite.c \
        src/infback.c \
        src/inflate.c \
        src/inftrees.c \
        src/inffast.c \
        src/trees.c \
        src/uncompr.c \
        src/zutil.c

LOCAL_MODULE := libz
LOCAL_MODULE_TAGS := optional
LOCAL_CFLAGS += -O3 -DUSE_MMAP

# TODO: This is to work around b/24465209. Remove after root cause is fixed
LOCAL_LDFLAGS_arm := -Wl,--hash-style=both

LOCAL_SRC_FILES := $(zlib_files)
ifneq ($(TARGET_BUILD_APPS),)
  LOCAL_SDK_VERSION := 9
else
  LOCAL_CXX_STL := none
endif
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
include $(BUILD_SHARED_LIBRARY)

include $(CLEAR_VARS)

LOCAL_ARM_MODE := arm
LOCAL_MODULE := libz
LOCAL_MODULE_TAGS := optional
LOCAL_CFLAGS += -O3 -DUSE_MMAP
LOCAL_SRC_FILES := $(zlib_files)
ifneq ($(TARGET_BUILD_APPS),)
  LOCAL_SDK_VERSION := 9
else
  LOCAL_CXX_STL := none
endif
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
include $(BUILD_STATIC_LIBRARY)

include $(CLEAR_VARS)

LOCAL_MODULE := libz
LOCAL_MODULE_TAGS := optional
LOCAL_CFLAGS += -O3 -DUSE_MMAP
LOCAL_SRC_FILES := $(zlib_files)
LOCAL_MULTILIB := both
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
LOCAL_MODULE_HOST_OS := darwin linux windows
LOCAL_CXX_STL := none
include $(BUILD_HOST_STATIC_LIBRARY)

include $(CLEAR_VARS)

LOCAL_MODULE := libz-host
LOCAL_MODULE_TAGS := optional
LOCAL_CFLAGS += -O3 -DUSE_MMAP
LOCAL_SRC_FILES := $(zlib_files)
LOCAL_MULTILIB := both
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
LOCAL_CXX_STL := none
include $(BUILD_HOST_SHARED_LIBRARY)

include $(CLEAR_VARS)

LOCAL_SRC_FILES:=        \
        src/test/minigzip.c

LOCAL_MODULE:= gzip

LOCAL_SHARED_LIBRARIES := libz

LOCAL_CXX_STL := none

include $(BUILD_EXECUTABLE)

include $(CLEAR_VARS)

LOCAL_SRC_FILES:=        \
        src/test/minigzip.c

LOCAL_MODULE:= minigzip

LOCAL_STATIC_LIBRARIES := libz

LOCAL_CXX_STL := none

include $(BUILD_HOST_EXECUTABLE)

$(TARGET_OUT_COMMON_GEN)/zlib_fingerprint : $(wildcard $(LOCAL_PATH)/src/*.[ch])
        printf '%s\n' $^ | LC_ALL=C sort | xargs cat | shasum -a 256 | \
                awk '{printf $$1}' > $@