On 28/11/2011 18.43, Johannes Stezenbach wrote:
> Hi,
>
> I'm in the process of building a toolchain with crosstool-ng,
> with uClibc-0.9.32 + NPTL for ARM926EJ-S.
>
> Trying to statically link a simple testcase with NPTL fails:
>
> $ cat t.c
> #include <pthread.h>
>
> int main(int argc, char *argv[])
> {
> return (int)pthread_create;
> }
> $ arm-linux-gcc -Wall -Os t.c -lpthread -static -Wl,-Map=m
> /tmp/tc/arm-unknown-linux-uclibcgnueabi/arm-unknown-linux-uclibcgnueabi/sysroot/usr/lib/libc.a(sigaction.o):
> In function `__libc_sigaction':
> sigaction.c:(.text+0x0): multiple definition of `__libc_sigaction'
> /tmp/tc/arm-unknown-linux-uclibcgnueabi/arm-unknown-linux-uclibcgnueabi/sysroot/usr/lib/libpthread.a(pt-sigaction.o):pt-sigaction.c:(.text+0x0):
> first defined here
> /tmp/tc/arm-unknown-linux-uclibcgnueabi/arm-unknown-linux-uclibcgnueabi/sysroot/usr/lib/libc.a(sigaction.o):
> In function `sigaction':
> sigaction.c:(.text+0x78): multiple definition of `__sigaction'
> /tmp/tc/arm-unknown-linux-uclibcgnueabi/arm-unknown-linux-uclibcgnueabi/sysroot/usr/lib/libpthread.a(pt-sigaction.o):pt-sigaction.c:(.text+0xa0):
> first defined here
> collect2: ld returned 1 exit status
>
>
> (Well, actually there were more duplicates e.g. to __aeabi_unwind_cpp_pr0
> but I've started to poke the subject with a stick to find out what's up ;-),
> but see also
> https://bugs.busybox.net/show_bug.cgi?id=4117
> More on that later.)
>
Yes that's true. I have a cleaner fix somewhere where I've include an
unique implementation into uclibc_shared.a.
I-ll try to rebase it soon.
Carmelo
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