That's a runtime link error that the destructor for the CallStack class is
undefined. This has nothing to do with selinux and should be taken to an
appropriate android group.
On Apr 22, 2015 5:19 PM, "Jaejyn Shin" <[email protected]> wrote:
> Dear SEAndroid developers
>
> I want to print call stack when restorecon failed, so I modified
> libselinux using libutils
> - libselinux: external/libselinux
> - libutils: system/core/libutils
>
> I modified my source like it.
>
>
> ----------------------------------------------------------------------------------------
> external/libselinux/Android.mk [modified source]
> -LOCAL_SRC_FILES := $(common_SRC_FILES) $(common_HOST_FILES) src/android.c
> +LOCAL_SRC_FILES := $(common_SRC_FILES) $(common_HOST_FILES) src/android.c
> src/dump_stack.cpp
> LOCAL_MODULE:= libselinux
> LOCAL_MODULE_TAGS := eng
> -LOCAL_STATIC_LIBRARIES := libmincrypt
> +LOCAL_STATIC_LIBRARIES := libmincrypt libutils
>
> external/libselinux/src/dump_stack.cpp [new file]
> +#include <utils/CallStack.h>
> +using namespace android;
> +extern "C" void dump_stack_android(void)
> +{
> + CallStack stack;
> + stack.update();
> +// stack.dump();
> + }
>
> ----------------------------------------------------------------------------------------
>
> The libselinux build succeeded, but the init(system/core/init) build
> failed.
>
>
> ----------------------------------------------------------------------------------------
> target StaticExecutable: init
> (my_project/target/product/my_project/obj/EXECUTABLES/init_intermediates/LINKED/init)
> my_project/target/product/my_project/obj/STATIC_LIBRARIES/libselinux_intermediates/libselinux.a(dump_stack.o):
> In function `dump_stack_android':
> my_source/android/external/libselinux/src/dump_stack.cpp:5: undefined
> reference to `android::CallStack::CallStack()'
> my_source/android/external/libselinux/src/dump_stack.cpp:6: undefined
> reference to `android::CallStack::update(int, int)'
> my_source/android/external/libselinux/src/dump_stack.cpp:6: undefined
> reference to `android::CallStack::~CallStack()'
> collect2: error: ld returned 1 exit status
> make: ***
> [my_project/target/product/my_project/obj/EXECUTABLES/init_intermediates/LINKED/init]
> Error 1
> make: Leaving directory `my_project/android'
>
> #### make failed to build some targets (19 seconds) ####
>
> ----------------------------------------------------------------------------------------
>
> Is there any way to overcome this build error?
>
> Thank you
> Best regards
>
> _______________________________________________
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> To get help, send an email containing "help" to
> [email protected].
>
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