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|
######
## Root configuration file shared by all android projects.
######
ifeq ($(ANDROID_NDK_ROOT),)
export ANDROID_NDK_ROOT=/cygdrive/c/android-ndk-r7c
endif
ifeq ($(ANDROID_SDK_ROOT),)
export ANDROID_SDK_ROOT=/cygdrive/c/android-sdk
endif
ifeq ($(ANDROID_PLATFORM),)
export ANDROID_PLATFORM=android-3
endif
ifeq ($(ANDROID_HOST),)
export ANDROID_HOST=windows
endif
ifeq ($(NEON), yes)
export MARCH=armv7-a
export ANDROID_EABI=armeabi-v7a
else
export MARCH=armv5te
export ANDROID_EABI=armeabi
endif
export ANDROID_GCC_VERSIONS=4.6 4.4.3 4.4.0 4.2.1 # list of preferred GCC versions seperated by SPACE (most preferred first)
export ANDROID_GCC_PREFIXES=arm-eabi arm-linux-androideabi # list of preferred GCC prefixes seperated by SPACE (most preferred first)
# Output directory
export OUTPUT_DIR=$(shell pwd)/output
$(shell mkdir -p $(OUTPUT_DIR))
# Some toolchains cannot find libs in cygwin paths
export OUTPUT_DIR_CYGWIN=$(shell \
if [[ $(OUTPUT_DIR) = /cygdrive/c/* ]]; then \
echo $(OUTPUT_DIR) | sed -e "s/\/cygdrive\/c/C:/g"; \
fi \
)
# Path where to copy executables -on the device or emulator-
export EXEC_DIR=/data/tmp
# Path where to copy libraries (*.so) -on the device or emulator-
export LIB_DIR=/system/lib
# Test the NDK directory structure
export ANDROID_NDK_BASE=$(shell if [ -r $(ANDROID_NDK_ROOT)/build/platforms ] ; then \
echo $(ANDROID_NDK_ROOT)/build/platforms ; \
elif [ -r $(ANDROID_NDK_ROOT)/platforms ] ; then \
echo $(ANDROID_NDK_ROOT)/platforms ; \
else \
echo "Err_Unable_to_recognize_the_NDK_structure_for_ANDROID_NDK_BASE" ; \
fi)
export ANDROID_NDK_TOOL_BASE=$(shell \
for gcc_prefix in $(ANDROID_GCC_PREFIXES) ; do \
for gcc_version in $(ANDROID_GCC_VERSIONS) ; do \
if [ -r $(ANDROID_NDK_ROOT)/build/prebuilt/$(ANDROID_HOST)/$$gcc_prefix-$$gcc_version ] ; then \
echo "$(ANDROID_NDK_ROOT)/build/prebuilt/$(ANDROID_HOST)/$$gcc_prefix-$$gcc_version"; \
break; \
elif [ -r $(ANDROID_NDK_ROOT)/toolchains/$$gcc_prefix-$$gcc_version/prebuilt/$(ANDROID_HOST) ] ; then \
echo "$(ANDROID_NDK_ROOT)/toolchains/$$gcc_prefix-$$gcc_version/prebuilt/$(ANDROID_HOST)"; \
break; \
fi \
done \
done \
)
export ANDROID_GCC_PREFIX=$(shell \
for gcc_prefix in $(ANDROID_GCC_PREFIXES) ; do \
for gcc_version in $(ANDROID_GCC_VERSIONS) ; do \
if [ -r $(ANDROID_NDK_ROOT)/build/prebuilt/$(ANDROID_HOST)/$$gcc_prefix-$$gcc_version ] ; then \
echo "$$gcc_prefix"; \
break; \
elif [ -r $(ANDROID_NDK_ROOT)/toolchains/$$gcc_prefix-$$gcc_version/prebuilt/$(ANDROID_HOST) ] ; then \
echo "$$gcc_prefix"; \
break; \
fi \
done \
done \
)
ifeq ($(ANDROID_NDK_TOOL_BASE),)
export ANDROID_NDK_TOOL_BASE="Err_Unable_to_recognize_the_NDK_structure_for_ANDROID_NDK_TOOL_BASE"
endif
export ANDROID_GNU_STL_ROOT=$(shell \
if [ -r $(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/libs/$(ANDROID_EABI) ] ; then \
echo "$(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++"; \
else \
for gcc_version in $(ANDROID_GCC_VERSIONS) ; do \
if [ -r $(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/$$gcc_version/libs/$(ANDROID_EABI) ] ; then \
echo "$(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/$$gcc_version"; \
break; \
fi \
done \
fi \
)
ifeq ($(ANDROID_GNU_STL_ROOT),)
export ANDROID_GNU_STL_ROOT="Err_Unable_to_find_gnu_stl_root_dir"
endif
##################################################################################
export PATH:=$(PATH):$(ANDROID_NDK_TOOL_BASE)/bin
export AR=$(ANDROID_GCC_PREFIX)-ar
export AS=$(ANDROID_GCC_PREFIX)-as
export CC=$(ANDROID_GCC_PREFIX)-gcc
export CPP=$(ANDROID_GCC_PREFIX)-g++
export STRIP=$(ANDROID_GCC_PREFIX)-strip
export TARGET_ARCH=arm
ifeq ($(ANDROID_GCC_PREFIX), arm-linux-androideabi)
export ARMELF_XSC=$(ANDROID_NDK_TOOL_BASE)/$(ANDROID_GCC_PREFIX)/lib/ldscripts/armelf_linux_eabi.xsc
else
export ARMELF_XSC=$(ANDROID_NDK_TOOL_BASE)/$(ANDROID_GCC_PREFIX)/lib/ldscripts/armelf.xsc
endif
ifeq ($(LICENSE),)
export LICENSE=gpl
endif
export CFLAGS_COMMON=$(CFLAGS) $(DEBUG_FLAGS) -I$(ANDROID_NDK_BASE)/$(ANDROID_PLATFORM)/arch-arm/usr/include -L$(ANDROID_GNU_STL_ROOT)/include \
-msoft-float \
-fpic \
-fno-exceptions \
-mthumb-interwork \
-funwind-tables \
-fstack-protector \
-D__arm__\
-D__ARM_ARCH__ \
-D__ARM_ARCH_5__ \
-D__ARM_ARCH_5T__ \
-D__ARM_ARCH_5E__ \
-D__ARM_ARCH_5TE__ \
-MMD \
-MP \
-fno-short-enums \
-DWEBRTC_ANDROID \
-DWEBRTC_ARCH_ARM \
-D__ANDROID__ \
-DANDROID=1 \
# Size reduction: use separate sections ("-ffunction-sections -fdata-sections") then link executable/shared lib using "-Wl,-gc-sections,-u,main"
export CFLAGS_COMMON+=-ffunction-sections -fdata-sections
ifeq ($(NEON), yes)
export MARCH=armv7-a
export ARCH_ARM_HAVE_NEON=true
export ARCH_ARM_HAVE_ARMV7A=true
export CFLAGS_COMMON+=-march=$(MARCH) -mno-thumb-interwork -mtune=cortex-a8 -mfpu=neon -flax-vector-conversions -DHAVE_NEON=1 -DWEBRTC_DETECT_ARM_NEON -DARCH_ARM_HAVE_NEON -DARCH_ARM_HAVE_ARMV7A \
-D__ARM_ARCH_7__ -D__ARM_ARCH_7A__ -DWEBRTC_ARM_INLINE_CALLS -DWEBRTC_ANDROID_ARMV7A_NEON -DWEBRTC_ARCH_ARM_NEON -Wno-psabi -mfloat-abi=softfp
else
export MARCH=armv5te
export CFLAGS_COMMON+=-march=$(MARCH) -mtune=xscale
endif
export CFLAGS_LIB= $(CFLAGS_COMMON) \
-fomit-frame-pointer \
-fno-strict-aliasing \
-finline-limit=64
ifeq ($(DEBUG), yes)
export CFLAGS_LIB+=-O0 -g -DDEBUG_LEVEL=DEBUG_LEVEL_INFO
else
export CFLAGS_LIB+=-Os -s
DEBUG:=no
endif
export LDFLAGS_COMMON=$(LDFLAGS) -Wl,--gc-sections,-rpath=/system/lib,-rpath-link=$(ANDROID_NDK_BASE)/$(ANDROID_PLATFORM)/arch-arm/usr/lib,-rpath-link=$(OUTPUT_DIR),-dynamic-linker=/system/bin/linker,-T,$(ARMELF_XSC) -L$(ANDROID_NDK_BASE)/$(ANDROID_PLATFORM)/arch-arm/usr/lib -L$(ANDROID_GNU_STL_ROOT)/libs/$(ANDROID_EABI)
export LDFLAGS_COMMON+=-nostdlib -lc -L$(OUTPUT_DIR) -L$(OUTPUT_DIR_CYGWIN)
ifeq ($(BT), static)
export EXT=a
export LDFLAGS_LIB=
export CFLAGS_LIB+=-static
else
export EXT=so
export LDFLAGS_LIB=$(LDFLAGS_COMMON)
export LDFLAGS_LIB+=-Wl,--no-undefined
export LDFLAGS_LIB+=-Wl,--no-whole-archive
export LDFLAGS_LIB+=-Wl,-soname,lib$(PROJECT).$(EXT),-Bsymbolic,-shared,--whole-archive
endif
|
