On 12/23/2014 10:05 AM, Cyd Haselton wrote:
> Last additional questions:
> 1) Why did the 4.8.3 on-device build pick up the necessary -ldl from
> LIBS, while the 4.9.2 build does not?
> (I've been working on this problem for a while...including going
> through the Changelogs for GCC, libgcc, etc...I've not found what
> changed between 4.8.x and 4.9.x that would cause this)
I don't know. linus-android.h does contain
#define ANDROID_LIB_SPEC \
"%{!static: -ldl}"
so it should work. Does that appear in -dumpspecs?
> 2) Are the linker script specs visible by gcc -dumpspecs, and editable
> by modifying linux-android.h and gnu-user.h?
> (I've modified both to add -ldl, with no results...i.e. same error)
No. GCC doesn't even know that /usr/lib/libc.so is a linker script.
Given that Android doesn't seem to use this scheme, it's probably a
red herring.
Andrew.
