On 04/02/2012 09:11 AM, Alberich de megres wrote: > I'm trying to understand the toolchain creation, by building one. I > want to learn how they work. > I'm building one for arm, with: > - binutils 2.22 > - kernel 3.1.8 headers > - gcc 4.6.2 > > > When compiling gcc final stage I got the following error: You need the C libraries for your target system. Install them somewhere, and then configure --with-sysroot= Something like this: $ /home/aph/gcc/trunk/configure \ --target=armv7hl-redhat-linux-gnueabi \ --prefix=/home/aph/gcc/trunk/x-armv7hl-redhat-linux-gnueabi-install \ --with-sysroot=/home/aph/fedora_armv7hl_rootfs/ \ --enable-languages=c,c++ Andrew.