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debian testing的gcc为:- # /usr/bin/gcc -v
- Using built-in specs.
- Target: i486-linux-gnu
- Configured with: ../src/configure -v --with-pkgversion='Debian 4.4.3-7' --with-bugurl=file:///usr/share/doc/gcc-4.4/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --enable-shared --enable-multiarch --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.4 --program-suffix=-4.4 --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-plugin --enable-objc-gc --enable-targets=all --with-arch-32=i486 --with-tune=generic --enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu --target=i486-linux-gnu
- Thread model: posix
- gcc version 4.4.3 (Debian 4.4.3-7)
复制代码 用lfs方式制作的gcc为:- # gcc -v
- Using built-in specs.
- Target: i686-pc-linux-gnu
- Configured with: ../gcc-4.4.3/configure --prefix=/tools --with-local-prefix=/tools --enable-clocale=gnu --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-languages=c,c++ --disable-libstdcxx-pch --disable-multilib --disable-bootstrap
- Thread model: posix
- gcc version 4.4.3 (GCC)
复制代码
感觉就少了点无关紧要的参数,但体系结构从486变成了686,用lfs的toolchain替换系统的以后,是否用它编译程序会比较好? |
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