Re: Issues cross compiling NSS for arm undefined reference to pthread_atfork

On Thu, Sep 5, 2019 at 8:56 AM Hamish MB <[email protected]> wrote:
> The build gets a fair way, but eventually fails with:
>
> Linux2.6_arm_glibc_PTH_DBG.OBJ/pkcs11.o: In function `nsc_CommonInitialize':
> /home/wmt/Downloads/nss-3.25.1/nss/lib/softoken/pkcs11.c:3022: undefined
> reference to `pthread_atfork'
> collect2: error: ld returned 1 exit status
>
> I checked my armv5 rootfs, and pthread.h is present and contains a
> definition for pthread_atfork, so I'm not sure what the cause of this
> error is.

The error is not about whether you have definitions in your header
files; the error is about the linker being unable to find a definition
for `pthread_atfork` in whatever libraries you're linking against.
I'd check whether your LDFLAGS specified to `make` are actually
getting through to your link command (and whether you're supposed to
be using `-lpthread`, `-pthread`, or `-pthreads`...), what libraries
your linker command is trying to link against, and whether those
libraries contain the expected definitions.

-Nathan
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