My mistake, it seems there is some missing dependency tracking in the
build, a full reconfigure and build worked. Thanks!
---
Dan Schatzberg
On Wed, Sep 12, 2012 at 11:29 AM, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote:
> On 12 September 2012 14:50, Dan Schatzberg wrote:
>> Hi,
>>
>> I am building a gcc toolchain targeted to my custom kernel. I've added
>> a thread model for my system to the build and provided a header for
>> the threading in libgcc/config
>> In this header I define the minimal necessary gthread functions. Most
>> of them call out to extern functions which I will then link in when
>> building a binary.
>>
>> For example:
>> #ifdef __cplusplus
>> extern "C" {
>> #endif
>> extern int ebbos_gthread_active_p(void);
>>
>> static inline int
>> __gthread_active_p(void)
>> {
>> return ebbos_gthread_active_p();
>> }
>>
>> #ifdef __cplusplus
>> }
>> #endif
>>
>> This builds fine, but libstdc++ has mangled symbol names for
>> ebbos_gthread_active_p while libgcc does not. What can I do to make it
>> so all the libraries are built with non mangled symbol names? I would
>> have thought the #ifdef __cplusplus would work, but I seem to be
>> mistaken.
>
> That should work.
