Messages in this thread | | | Date | Wed, 11 Jun 2008 21:49:14 +0200 | From | Sam Ravnborg <> | Subject | Re: kbuild breaks um - fails to find util when linking |
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On Wed, Jun 11, 2008 at 11:48:16AM -0400, Jeff Dike wrote: > This patch obviously isn't usable for anyone else, but UML needs a > hook or something to add libgcc and libc to the ld commands: > > Index: linux-2.6-git/scripts/link-vmlinux.sh > =================================================================== > --- linux-2.6-git.orig/scripts/link-vmlinux.sh 2008-06-11 11:26:07.000000000 -0400 > +++ linux-2.6-git/scripts/link-vmlinux.sh 2008-06-11 11:41:04.000000000 -0400 > @@ -122,7 +122,7 @@ fi > # First stage of fully linked vmlinux > tell LD ${VMLINUX} > ${LD} ${LDFLAGS} ${LDFLAGS_vmlinux} -o ${VMLINUX} \ > - -T ${KBUILD_VMLINUX_LDS} vmlinux.o > + -T ${KBUILD_VMLINUX_LDS} vmlinux.o `gcc -print-libgcc-file-name` -lc > > if [ "${CONFIG_KALLSYMS}" = "y" ]; then > > @@ -133,7 +133,8 @@ if [ "${CONFIG_KALLSYMS}" = "y" ]; then > # link in kalll symbols > tell LD vmlinux > ${LD} ${LDFLAGS} ${LDFLAGS_vmlinux} -o vmlinux \ > - -T ${KBUILD_VMLINUX_LDS} vmlinux.o .tmp_kallsyms.o > + -T ${KBUILD_VMLINUX_LDS} vmlinux.o .tmp_kallsyms.o \ > + `gcc -print-libgcc-file-name` -lc > fi > > tell SYSMAP System.map > > This fixes the flood of undefined symbols, but I still get this on the > link: > ld: warning: Cannot create .note.gnu.build-id section, --build-id ignored. > ld: warning: cannot find entry symbol _start; defaulting to 08056320 > > And when I run the result, I get this, which I don't understand at > all: > > -bash: ./uml/linux: /usr/lib/libc.so.1: bad ELF interpreter: No > such file or directory
Thanks Jeff.
I will take an additional look tomorrow.
Sam
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