Messages in this thread | | | Date | Tue, 22 Mar 2022 10:50:50 -0700 | Subject | Re: hppa vDSO and compiler (non-)support | From | Guenter Roeck <> |
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On 3/22/22 09:16, Helge Deller wrote: > On 3/22/22 16:19, Guenter Roeck wrote: >> On 3/22/22 07:25, Helge Deller wrote: >>> On 3/22/22 14:05, Guenter Roeck wrote: >>>> Does that also fix the build problems now seen in mainline ? >>> >>> No. >>> >>>> Building parisc64:generic-64bit_defconfig ... failed >>>> -------------- >>>> Error log: >>>> arch/parisc/kernel/vdso64/Makefile:30: FORCE prerequisite is missing >>>> arch/parisc/kernel/vdso32/sigtramp.S: Assembler messages: >>>> arch/parisc/kernel/vdso32/sigtramp.S:39: Error: unknown pseudo-op: `.proc' >>>> ... >>>> arch/parisc/kernel/vdso32/restart_syscall.S:32: Error: .cfi_endproc without corresponding .cfi_startproc >>>> make[2]: *** [arch/parisc/kernel/vdso32/Makefile:34: arch/parisc/kernel/vdso32/restart_syscall.o] Error 1 >>>> make[2]: *** Waiting for unfinished jobs.... >>>> make[2]: *** [arch/parisc/kernel/vdso32/Makefile:34: arch/parisc/kernel/vdso32/sigtramp.o] Error 1 >>>> make[1]: *** [arch/parisc/Makefile:177: vdso_prepare] Error 2 >>>> make: *** [Makefile:219: __sub-make] Error 2 >>>> >>>> This is with hppa64-linux-gcc (GCC) 11.2.0. >>> >>> Can you check if you have the 32-bit compiler (hppa-linux-gcc) installed too? >>> The errors above happen when building the 32-bit vDSO, for which you need the 32-bit compiler. >>> >> >> Yes, I do, but that doesn't help much if I want to build a 64-bit target such >> as generic-64bit_defconfig. Am I missing something ? > > The 64-bit PA-RISC kernel now includes a built-in a 32-bit and a 64-bit vDSO for userspace. > To build the 32-bit vDSO (vdso32) you need the 32-bit hppa compiler installed. > That's what's being done above - see the path: arch/parisc/kernel/vdso32/ > Can you try "make V=1" to see the command line? >
I am currently bisecting another problem. I'll try that afterwards. Either case, how does one specify two cross compilers with two different prefixes on the command line ?
Guenter
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