我正在尝试将我的应用程序移动到64位arm处理器（和64位模拟器），为此我需要重新编译ICU库（49）。
三天之后，我达到了库编译好的程度，我正在使用的脚本将各种体系结构合并为一个（片段）：
# ...
#x86_64
DEVROOT=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer
SDKROOT=$DEVROOT/SDKs/iPhoneSimulator7.0.sdk
SYSROOT=$SDKROOT
export CFLAGS="-I$SDKROOT/usr/include/ -I./include/ $ICU_FLAGS -arch x86_64 -pipe -no-cpp-precomp -isysroot $SDKROOT -miphoneos-version-min=7.0 -O3 -DU_HAVE_GCC_ATOMICS=0"
export CXXFLAGS="$CFLAGS"
export CC="$TOOLCHAINSROOT/usr/bin/clang"
export CXX="$TOOLCHAINSROOT/usr/bin/clang++"
export LDFLAGS="-L$SDKROOT/usr/lib/ -isysroot $SDKROOT -Wl,-dead_strip -miphoneos-version-min=7.0"
mkdir -p $BUILDDIR/iosbuild/x86_64
cd $BUILDDIR/iosbuild/x86_64
gnumake clean
sh $ICU_PATH/source/configure --host=arm-apple-darwin --enable-static --disable-shared -with-cross-build=$BUILDDIR/hostbuild --prefix=$BUILDDIR/iosbuild/x86_64 --with-data-packaging=library
gnumake
gnumake clean install
# ...
#x86_64
mkdir -p ${BUILDDIR}/iosbuild/x86_64/lib/libicudata
cd ${BUILDDIR}/iosbuild/x86_64/lib/libicudata
ar -x "${BUILDDIR}/iosbuild/x86_64/lib/libicudata.a"
mkdir -p ${BUILDDIR}/iosbuild/x86_64/lib/libicui18n
cd ${BUILDDIR}/iosbuild/x86_64/lib/libicui18n
ar -x "${BUILDDIR}/iosbuild/x86_64/lib/libicui18n.a"
mkdir -p ${BUILDDIR}/iosbuild/x86_64/lib/libicuio
cd ${BUILDDIR}/iosbuild/x86_64/lib/libicuio
ar -x "${BUILDDIR}/iosbuild/x86_64/lib/libicuio.a"
mkdir -p ${BUILDDIR}/iosbuild/x86_64/lib/libicule
cd ${BUILDDIR}/iosbuild/x86_64/lib/libicule
ar -x "${BUILDDIR}/iosbuild/x86_64/lib/libicule.a"
mkdir -p ${BUILDDIR}/iosbuild/x86_64/lib/libiculx
cd ${BUILDDIR}/iosbuild/x86_64/lib/libiculx
ar -x "${BUILDDIR}/iosbuild/x86_64/lib/libiculx.a"
mkdir -p ${BUILDDIR}/iosbuild/x86_64/lib/libicutest
cd ${BUILDDIR}/iosbuild/x86_64/lib/libicutest
ar -x "${BUILDDIR}/iosbuild/x86_64/lib/libicutest.a"
mkdir -p ${BUILDDIR}/iosbuild/x86_64/lib/libicutu
cd ${BUILDDIR}/iosbuild/x86_64/lib/libicutu
ar -x "${BUILDDIR}/iosbuild/x86_64/lib/libicutu.a"
mkdir -p ${BUILDDIR}/iosbuild/x86_64/lib/libicuuc
cd ${BUILDDIR}/iosbuild/x86_64/lib/libicuuc
ar -x "${BUILDDIR}/iosbuild/x86_64/lib/libicuuc.a"
ar -qc ${BUILDDIR}/iosbuild/x86_64/lib/libcombinedicu.a ${BUILDDIR}/iosbuild/x86_64/lib/libicudata/*.o ${BUILDDIR}/iosbuild/x86_64/lib/libicudata/*.ao ${BUILDDIR}/iosbuild/x86_64/lib/libicuuc/*.ao ${BUILDDIR}/iosbuild/x86_64/lib/libicui18n/*.ao ${BUILDDIR}/iosbuild/x86_64/lib/libicuio/*.ao ${BUILDDIR}/iosbuild/x86_64/lib/libicule/*.ao ${BUILDDIR}/iosbuild/x86_64/lib/libiculx/*.ao ${BUILDDIR}/iosbuild/x86_64/lib/libicutest/*.ao ${BUILDDIR}/iosbuild/x86_64/lib/libicutu/*.ao ${BUILDDIR}/iosbuild/x86_64/lib/libicuuc/*.ao
# ...
#put them together
lipo -create -arch x86_64 "${BUILDDIR}/iosbuild/x86_64/lib/libcombinedicu.a"
-arch i386 "${BUILDDIR}/iosbuild/i386/lib/libcombinedicu.a"
"${BUILDDIR}/iosbuild/arm64/lib/libcombinedicu.a"
"${BUILDDIR}/iosbuild/armv7s/lib/libcombinedicu.a"
-arch armv7 "${BUILDDIR}/iosbuild/armv7/lib/libcombinedicu.a"
-o "$FRAMEWORK_DIR/Versions/Current/$FRAMEWORK_NAME"
问题是，当我从XCode编译应用程序时（对于64位模拟器），我对构建的ICU框架有以下错误：
ld: warning: directory not found for option '-F"/Users/gliptak/ac/m-220/Sources/VBExplorer/BIMxPro/../BIMxEngine/extern/icu"'
duplicate symbol _OSAtomicIncrement32 in:
/Users/gliptak/ac/m-220/Sources/VBExplorer/BIMxEngine/extern/icu/ICU.framework/ICU(unistr.ao)
/Users/gliptak/ac/m-220/Sources/VBExplorer/BIMxEngine/extern/icu/ICU.framework/ICU(mutex.ao)
duplicate symbol _OSAtomicIncrement32Barrier in:
/Users/gliptak/ac/m-220/Sources/VBExplorer/BIMxEngine/extern/icu/ICU.framework/ICU(unistr.ao)
/Users/gliptak/ac/m-220/Sources/VBExplorer/BIMxEngine/extern/icu/ICU.framework/ICU(mutex.ao)
duplicate symbol _OSAtomicDecrement32 in:
/Users/gliptak/ac/m-220/Sources/VBExplorer/BIMxEngine/extern/icu/ICU.framework/ICU(unistr.ao)
/Users/gliptak/ac/m-220/Sources/VBExplorer/BIMxEngine/extern/icu/ICU.framework/ICU(mutex.ao)
duplicate symbol _OSAtomicDecrement32Barrier in:
/Users/gliptak/ac/m-220/Sources/VBExplorer/BIMxEngine/extern/icu/ICU.framework/ICU(unistr.ao)
/Users/gliptak/ac/m-220/Sources/VBExplorer/BIMxEngine/extern/icu/ICU.framework/ICU(mutex.ao)
...
ld: 64 duplicate symbols for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
据我所知，所提到的函数是在系统头文件中声明的，并且不是内联的，那么这个错误怎么存在呢？
你有什么想法我可能做错了吗？
UPDATE：的确，这些函数是静态内联的，因此会导致问题。那么现在的问题是如何避免重复？
UPDATE：为C编译器尝试了-std = gnu89标志，没有效果......