2440编译arm版Qt4出现有关pch的错误提示

lbing@ubuntu:~/opt/EmbedSky/qt-4.5$ sudo ./arm_qt4.5_build
the build_arm directory is already !
the __install/arm directory is already !
the Makefile is already !
Build Qt4.5 library now, please wait ...
cd src/tools/bootstrap/ && gmake -f Makefile
gmake[1]: Entering directory `/home/lbing/opt/EmbedSky/qt-4.5/build/build_arm/src/tools/bootstrap'
gmake[1]: Nothing to be done for `first'.
gmake[1]: Leaving directory `/home/lbing/opt/EmbedSky/qt-4.5/build/build_arm/src/tools/bootstrap'
cd src/tools/moc/ && gmake -f Makefile
gmake[1]: Entering directory `/home/lbing/opt/EmbedSky/qt-4.5/build/build_arm/src/tools/moc'
gmake[1]: Nothing to be done for `first'.
gmake[1]: Leaving directory `/home/lbing/opt/EmbedSky/qt-4.5/build/build_arm/src/tools/moc'
cd src/tools/rcc/ && gmake -f Makefile
gmake[1]: Entering directory `/home/lbing/opt/EmbedSky/qt-4.5/build/build_arm/src/tools/rcc'
gmake[1]: Nothing to be done for `first'.
gmake[1]: Leaving directory `/home/lbing/opt/EmbedSky/qt-4.5/build/build_arm/src/tools/rcc'
cd src/tools/uic/ && gmake -f Makefile
gmake[1]: Entering directory `/home/lbing/opt/EmbedSky/qt-4.5/build/build_arm/src/tools/uic'
gmake[1]: Nothing to be done for `first'.
gmake[1]: Leaving directory `/home/lbing/opt/EmbedSky/qt-4.5/build/build_arm/src/tools/uic'
cd src/corelib/ && gmake -f Makefile
gmake[1]: Entering directory `/home/lbing/opt/EmbedSky/qt-4.5/build/build_arm/src/corelib'
/home/lbing/usr/local/arm/3.4.1/bin/arm-linux-gcc -c -include .pch/release-shared-emb-arm/QtCore -pipe -fno-exceptions -O2 -Wall -W -D_REENTRANT -fPIC -DQT_SHARED -DQT_BUILD_CORE_LIB -DQT_NO_USING_NAMESPACE -DQT_NO_CAST_TO_ASCII -DQT_ASCII_CAST_WARNINGS -DQT_MOC_COMPAT -DHB_EXPORT=Q_CORE_EXPORT -DQT_NO_DEBUG -I/home/lbing/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/mkspecs/qws/linux-arm-g++ -I/home/lbing/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/corelib -I../../include -I../../include/QtCore -I.rcc/release-shared-emb-arm -I/home/lbing/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/corelib/concurrent -Iglobal -I/home/lbing/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/3rdparty/zlib -I/home/lbing/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/3rdparty/harfbuzz/src -I.moc/release-shared-emb-arm -I.uic/release-shared-emb-arm -I/usr/local/tslib/include -I. -o .obj/release-shared-emb-arm/harfbuzz-gpos.o /home/lbing/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/3rdparty/harfbuzz/src/harfbuzz-gpos.c
<command line>:1: sorry, unimplemented: had to relocate PCH
<command line>:1: confused by earlier errors, bailing out
gmake[1]: *** [.obj/release-shared-emb-arm/harfbuzz-gpos.o] Error 1
gmake[1]: Leaving directory `/home/lbing/opt/EmbedSky/qt-4.5/build/build_arm/src/corelib'
gmake: *** [sub-corelib-make_default-ordered] Error 2

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可看到是处理corelib时出现的错误，但是为什么会这样呢？（交叉编译器是arm-gcc-3.4.1）

亲，我们提供的的交叉编绎器不是3.4.1的哦

用3.4.1不行吗？
我内核就是用3.4.1编译的，以后做文件系统肯定要和内核一直吧