Tom's hint is useful, menuconfig's search option does the trick, I seemingly got rid of MPILIB=m.
Thank you. Regards, Ralf [1] [root@moonstudio src]# export CONCURRENCY_LEVEL=2;wget https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.10.61.tar.gz https://www.kernel.org/pub/linux/kernel/projects/rt/3.10/older/patch-3.10.61-rt65.patch.gz && tar zxf linux-3.10.61.tar.gz && mv linux-3.10.61 linux-3.10.61-rt65 && cd linux-3.10.61-rt65 && gzip -dc ../patch-3.10.61-rt65.patch.gz | patch -p1 && cp ../config-3.10.61-rt65-1-rt-lts_x86_64.Arch .config && make oldconfig && make menuconfig && make oldconfig && date && make-kpkg clean && make-kpkg --initrd kernel-image kernel-headers && make-kpkg clean && date [...] .config - Linux/x86 3.10.61 Kernel Configuration > Search (MPILIB) > ────────────────────────────────────────────────────────────────────────────────────────────────────────── ┌─────────────────────────────────────────────────── Search Results ────────────────────────────────────────────────────┐ │ Symbol: MPILIB_EXTRA [=MPILIB_EXTRA] │ │ Type : unknown │ │ Selected by: PUBLIC_KEY_ALGO_RSA [=m] && CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=m] && ASYMMETRIC_PUBLIC_KEY_SUBTYPE [ │ │ │ │ │ │ Symbol: MPILIB [=m] │ │ Type : tristate │ │ Defined at lib/Kconfig:380 │ │ Selects: CLZ_TAB [=y] │ │ Selected by: ASYMMETRIC_PUBLIC_KEY_SUBTYPE [=m] && CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=m] || SIGNATURE [=n] && KEY [...] CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE: │ │ │ │ This option provides support for asymmetric public key type handling. │ │ If signature generation and/or verification are to be used, │ │ appropriate hash algorithms (such as SHA-1) must be available. │ │ ENOPKG will be reported if the requisite algorithm is unavailable. │ │ │ │ Symbol: ASYMMETRIC_PUBLIC_KEY_SUBTYPE [=n] │ │ Type : tristate │ │ Prompt: Asymmetric public-key crypto algorithm subtype │ │ Location: │ │ -> Cryptographic API (CRYPTO [=y]) │ │ -> Asymmetric (public-key cryptographic) key type (ASYMMETRIC_KEY_TYPE [=m]) │ │ Defined at crypto/asymmetric_keys/Kconfig:12 │ │ Depends on: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=m] │ │ Selects: MPILIB [=m] │ │ Selected by: MODULE_SIG [=n] && MODULES [=y] || INTEGRITY_ASYMMETRIC_KEYS [=n] && INTEGRITY_SIGNATURE [=n] [...] Sat Aug 22 22:40:52 CEST 2015 I started compiling right now. [root@moonstudio linux-3.10.61-rt65]# grep MPILIB .config [root@moonstudio linux-3.10.61-rt65]# -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss