notes about crosstool,uboot,mysql and some tools in linux(ubuntu)
/****************installgcc-3.3.6patch-Np1-i../gcc-3.3.6-no_fixincludes-1.patch&&patch-Np1-i../gcc-3.3.6-linkonce-1.patch&&mkdir../gcc-build&&cd../gcc-build&&../gcc-3.3.6/configure--prefix=/opt/gcc-3.