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在ubuntu12.04下编译arm的交叉编译工具链
执行../gcc-4.6.0/configure --target=$TARGET --prefix=$PREFIX --without-headers --enable-languages=c --disable-threads --with-newlib --disable-shared --disable-libmudflap --disable-libssp
make
make install
显示
configure: loading cache ./config.cache
configure: error: `CXXFLAGS' has changed since the previous run:
configure: former value: `'
configure: current value: `-g -O2'
configure: error: in `/home/john/code/embedded/2440/build-tools/build-boot-gcc/gcc':
configure: error: changes in the environment can compromise the build
configure: error: run `make distclean' and/or `rm ./config.cache' and start over
make[1]: *** [configure-gcc] Error 1
make[1]: Leaving directory `/home/john/code/embedded/2440/build-tools/build-boot-gcc'
make: *** [all] Error 2
但是我并不知道这个CXXFLAGS是个什么东西……
搞了半天也搞不定，也不知道是不是其他地方的问题
请各位帮帮我