Messages in this thread | | | From | Matthew Leach <> | Subject | [REGRESSION] uml: signal.c build errors | Date | Wed, 24 Oct 2012 00:18:34 +0100 |
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Hi,
When building UML against 3.7-rc2 I encounter the following build error:
# make ARCH=uml scripts/kconfig/conf --silentoldconfig arch/x86/um/Kconfig CHK include/generated/uapi/linux/version.h UPD include/generated/uapi/linux/version.h WRAP arch/um/include/generated/asm/clkdev.h SYSHDR arch/x86/syscalls/../include/generated/uapi/asm/unistd_32.h SYSHDR arch/x86/syscalls/../include/generated/uapi/asm/unistd_64.h SYSHDR arch/x86/syscalls/../include/generated/uapi/asm/unistd_x32.h
...
CC arch/um/os-Linux/signal.o arch/um/os-Linux/signal.c:18:8: error: conflicting types for ‘sig_info’ In file included from arch/um/os-Linux/signal.c:12:0: /home/matthew/Development/linux/arch/um/include/shared/as-layout.h:64:15: note: previous declaration of ‘sig_info’ was here arch/um/os-Linux/signal.c:19:2: warning: initialization from incompatible pointer type [enabled by default] arch/um/os-Linux/signal.c:19:2: warning: (near initialization for ‘sig_info[5]’) [enabled by default] arch/um/os-Linux/signal.c:20:2: warning: initialization from incompatible pointer type [enabled by default] arch/um/os-Linux/signal.c:20:2: warning: (near initialization for ‘sig_info[8]’) [enabled by default] arch/um/os-Linux/signal.c:21:2: warning: initialization from incompatible pointer type [enabled by default] arch/um/os-Linux/signal.c:21:2: warning: (near initialization for ‘sig_info[4]’) [enabled by default] arch/um/os-Linux/signal.c:22:2: warning: initialization from incompatible pointer type [enabled by default] arch/um/os-Linux/signal.c:22:2: warning: (near initialization for ‘sig_info[28]’) [enabled by default] arch/um/os-Linux/signal.c:23:2: warning: initialization from incompatible pointer type [enabled by default] arch/um/os-Linux/signal.c:23:2: warning: (near initialization for ‘sig_info[7]’) [enabled by default] arch/um/os-Linux/signal.c:24:2: warning: initialization from incompatible pointer type [enabled by default] arch/um/os-Linux/signal.c:24:2: warning: (near initialization for ‘sig_info[11]’) [enabled by default] arch/um/os-Linux/signal.c:25:2: warning: initialization from incompatible pointer type [enabled by default] arch/um/os-Linux/signal.c:25:2: warning: (near initialization for ‘sig_info[29]’) [enabled by default] arch/um/os-Linux/signal.c:26:2: warning: initialization from incompatible pointer type [enabled by default] arch/um/os-Linux/signal.c:26:2: warning: (near initialization for ‘sig_info[26]’) [enabled by default] arch/um/os-Linux/signal.c:133:1: warning: initialization from incompatible pointer type [enabled by default] arch/um/os-Linux/signal.c:133:1: warning: (near initialization for ‘handlers[26]’) [enabled by default] make[1]: *** [arch/um/os-Linux/signal.o] Error 1 make: *** [arch/um/os-Linux] Error 2
I have tracked this down to [1] where, indeed, the type of sig_info is different; the second parameter in signal.c is 'siginfo_t' where as in as-layout.h the second parameter's type is declared as 'struct siginfo'.
[1]: d3c1cfcdb43e023ab1b1c7a555cd9e929026500a
Matt -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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