[PATCH] Fix kernel build with EMBEDDED & PROC_FS & !PROC_SYSCTL
Without attached patch against current -git I get following with !PROC_SYSCTL (with EMBEDDED and PROC_FS set): CC init/version.o LD init/built-in.o LD vmlinux fs/built-in.o: In function `do_proc_sys_lookup': proc_sysctl.c:(.text+0x26583): undefined reference to `sysctl_head_next' fs/built-in.o: In function `proc_sys_revalidate': proc_sysctl.c:(.text+0x265bb): undefined reference to `sysctl_head_finish' fs/built-in.o: In function `proc_sys_readdir': proc_sysctl.c:(.text+0x26720): undefined reference to `sysctl_head_next' proc_sysctl.c:(.text+0x267d8): undefined reference to `sysctl_head_finish' proc_sysctl.c:(.text+0x268e7): undefined reference to `sysctl_head_next' proc_sysctl.c:(.text+0x26910): undefined reference to `sysctl_head_finish' fs/built-in.o: In function `proc_sys_write': proc_sysctl.c:(.text+0x2695d): undefined reference to `sysctl_perm' proc_sysctl.c:(.text+0x2699c): undefined reference to `sysctl_head_finish' fs/built-in.o: In function `proc_sys_read': proc_sysctl.c:(.text+0x269e9): undefined reference to `sysctl_perm' proc_sysctl.c:(.text+0x26a25): undefined reference to `sysctl_head_finish' fs/built-in.o: In function `proc_sys_permission': proc_sysctl.c:(.text+0x26ad1): undefined reference to `sysctl_perm' proc_sysctl.c:(.text+0x26adb): undefined reference to `sysctl_head_finish' fs/built-in.o: In function `proc_sys_lookup': proc_sysctl.c:(.text+0x26b39): undefined reference to `sysctl_head_finish' make: *** [vmlinux] Virhe 1 All those functions are in fs/proc/proc_sysctl.c, which has no CONFIG_ #define's in it, so the patch makes the compilation of that file to depend on CONFIG_PROC_SYSCTL (the simplest choice). Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -8,8 +8,9 @@ proc-y := nommu.o task_nommu.o
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proc-$(CONFIG_MMU) := mmu.o task_mmu.o
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proc-$(CONFIG_MMU) := mmu.o task_mmu.o
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proc-y += inode.o root.o base.o generic.o array.o \
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proc-y += inode.o root.o base.o generic.o array.o \
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proc_tty.o proc_misc.o proc_sysctl.o
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proc_tty.o proc_misc.o
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proc-$(CONFIG_PROC_SYSCTL) += proc_sysctl.o
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proc-$(CONFIG_PROC_KCORE) += kcore.o
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proc-$(CONFIG_PROC_KCORE) += kcore.o
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proc-$(CONFIG_PROC_VMCORE) += vmcore.o
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proc-$(CONFIG_PROC_VMCORE) += vmcore.o
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proc-$(CONFIG_PROC_DEVICETREE) += proc_devtree.o
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proc-$(CONFIG_PROC_DEVICETREE) += proc_devtree.o
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