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It seems that my uClinux environment has no such file to make compilation
get through. When I try to build qt embedded 3.3.5, it complains that fenv.h
is required.
/home/nerokuo/uClinux/tools/ucfront-g++ arm-linux-g++ -c -D__PIC__ -fpic -msingle-pic-base -msoft-float -Wall -DQT_NOMMU -DQ_NO_SEMAPHORE -DQT_QWS_NO_SHM -DQT_NO_QWS_MULTIPROCESS -DQWS -fno-exceptions -fno-rtti -Wall -W -O -DQT_NO_DEBUG -DQT_NO_CUPS -DQT_NO_NIS -DQT_NO_STYLE_MAC -DQT_NO_STYLE_AQUA -DQT_NO_STYLE_INTERLACE -DQT_NO_STYLE_WINDOWSXP -DQT_NO_STYLE_COMPACT -DQT_NO_STYLE_POCKETPC -DQT_NO_QWS_VFB -DQT_NO_QWS_VNC -DQT_NO_QWS_VGA16 -DQT_NO_QWS_TRANSFORMED -DQT_NO_QWS_SNAP -DQT_NO_QWS_MACH64 -DQT_NO_QWS_VOODOO3 -DQT_NO_QWS_MATROX -DQT_NO_QWS_SHADOWFB -DQT_NO_QWS_REPEATER -DQT_NO_QWS_KBD_SL5000 -DQT_NO_QWS_KBD_USB -DQT_NO_QWS_KBD_YOPY -DQT_NO_QWS_KBD_VR41 -DQT_NO_QWS_MOUSE_BUS -DQT_NO_QWS_MOUSE_LINUXTP -DQT_NO_QWS_MOUSE_VR41 -DQT_NO_QWS_MOUSE_YOPY -I/home/nerokuo/qt-embedded-free-3.3.5/mkspecs/qws/linux-arm-g++ -I. -I3rdparty/freetype/src -I3rdparty/freetype/include -I3rdparty/freetype/builds/unix -I3rdparty/freetype2/include -I3rdparty/libmng -I3rdparty/libjpeg -I3rdparty/libpng -I3rdparty/zlib -I/home/nerokuo/uClinux/uClibc/include -I../include -I.moc/release-static-emb-arm/ -o .obj/release-static-emb-arm/qlocale.o tools/qlocale.cpp
tools/qlocale.cpp:59:22: fenv.h: No such file or directory
tools/qlocale.cpp: In function `char* qdtoa(double, int, int, int*, int*, char**, char**)':
tools/qlocale.cpp:5683: error: `fenv_t' undeclared (first use this function)
tools/qlocale.cpp:5683: error: (Each undeclared identifier is reported only once for each function it appears in.)
tools/qlocale.cpp:5683: error: expected `;' before "envp"
tools/qlocale.cpp:5684: error: `envp' undeclared (first use this function)
tools/qlocale.cpp:5684: error: `feholdexcept' undeclared (first use this function)
tools/qlocale.cpp:5701: error: `fesetenv' undeclared (first use this function)
make[2]: *** [.obj/release-static-emb-arm/qlocale.o] Error 1
make[2]: Leaving directory `/home/nerokuo/qt-embedded-free-3.3.5/src'
make[1]: *** [sub-src] Error 2
make[1]: Leaving directory `/home/nerokuo/qt-embedded-free-3.3.5'
make: *** [init] Error 2

Anyone can help me solve this problem? Thanks in advance.