# Build binutils, which provides the linker and assembler and such. function configure_binutils() { "$CURSRC/configure" --prefix="$STAGE_DIR" \ --build="$CROSS_HOST" --host="$FROM_HOST" --target="$CROSS_TARGET" \ --disable-nls --disable-shared --disable-multilib --disable-werror \ --with-lib-path=lib --program-prefix="$PROGRAM_PREFIX" $BINUTILS_FLAGS [ $? -ne 0 ] && dienow } if [ -z "$FROM_ARCH" ] then # Create a simple cross compiler, from this host to target $ARCH. # This has no prerequisites. # Define lots of environment variables to make configure behave. AR=ar AS=as LD=ld NM=nm OBJDUMP=objdump OBJCOPY=objcopy configure_binutils else # Canadian cross for an arbitrary host/target. The new compiler will run # on $FROM_ARCH as its host, and build executables for $ARCH as its target. # (Use host==target to produce a native compiler.) Doing this requires # existing host ($FROM_ARCH) _and_ target ($ARCH) cross compilers as # prerequisites. AR="${FROM_ARCH}-ar" CC="${FROM_ARCH}-cc" configure_binutils fi # Now that it's configured, build and install binutils make -j $CPUS configure-host && make -j $CPUS CFLAGS="-O2 $STATIC_FLAGS" && make -j $CPUS install && # Fix up install mkdir -p "$STAGE_DIR/include" && cp "$CURSRC/include/libiberty.h" "$STAGE_DIR/include"