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    arch: um: fix error when linking vmlinux. · fb1770aa
    Lorenzo Colitti 提交于
    On gcc Ubuntu 4.8.4-2ubuntu1~14.04, linking vmlinux fails with:
    
    arch/um/os-Linux/built-in.o: In function `os_timer_create':
    /android/kernel/android/arch/um/os-Linux/time.c:51: undefined reference to `timer_create'
    arch/um/os-Linux/built-in.o: In function `os_timer_set_interval':
    /android/kernel/android/arch/um/os-Linux/time.c:84: undefined reference to `timer_settime'
    arch/um/os-Linux/built-in.o: In function `os_timer_remain':
    /android/kernel/android/arch/um/os-Linux/time.c:109: undefined reference to `timer_gettime'
    arch/um/os-Linux/built-in.o: In function `os_timer_one_shot':
    /android/kernel/android/arch/um/os-Linux/time.c:132: undefined reference to `timer_settime'
    arch/um/os-Linux/built-in.o: In function `os_timer_disable':
    /android/kernel/android/arch/um/os-Linux/time.c:145: undefined reference to `timer_settime'
    
    This is because -lrt appears in the generated link commandline
    after arch/um/os-Linux/built-in.o. Fix this by removing -lrt from
    arch/um/Makefile and adding it to the UM-specific section of
    scripts/link-vmlinux.sh.
    Signed-off-by: NLorenzo Colitti <lorenzo@google.com>
    Signed-off-by: NRichard Weinberger <richard@nod.at>
    fb1770aa
Makefile 5.0 KB