Native GCC 4.9.0 Build Fails Building/Linking libgcc_s_so with Undefined Symbol

[Jonathan Wakely]

On 19 November 2014 18:08, Cyd Haselton wrote:
> In another attempt to fix this problem, I grepped for dlopen in the
> build directoryand ran across the following:
>
> From ./gcc/config.log
>
> configure:27894: checking for library containing dlopen
> configure:27925: gcc --sysroot=/usr/gcc-4.8/sysroot -o conftest -Wall
> -mandroid -mbionic   -static-libstdc++ -static-libgcc
> -Wl,--dynamic-linker=/system/bin/linker -lc -ldl -lgcc -lm -lsupc++
> -lgnustl_shared conftest.c  >&5
> configure:27925: $? = 0
> configure:27942: result: none required:
>
> And this, from liblto_plugin.la:
> # The name that we can dlopen(3).
> # Files to dlopen/dlpreopen
> dlopen=''"
>
>
> It seems to me as though configure needs to pick up libdl (which is
> the android library to link to for dlopen...though i'm not sure how to
> make this happen.
>
> Thoughts?

It's already linking to libdl, look at the command it used.