uClibc-0.9.33: ARM NPTL static link failure with sigprocmask vs. setjmp
Johannes Stezenbach
js at sig21.net
Mon Feb 20 14:55:24 UTC 2012
Hi,
while my simple test cases all worked a more complicated application
fails to link. I distilled this small test case:
#include <stddef.h>
#include <signal.h>
#include <setjmp.h>
int main()
{
sigset_t set;
jmp_buf env;
sigemptyset(&set);
sigprocmask(SIG_BLOCK, &set, NULL);
setjmp(env);
return 0;
}
$ arm-unknown-linux-uclibcgnueabi-gcc -Wall sig.c -static -lpthread
.../arm-unknown-linux-uclibcgnueabi/sysroot/usr/lib/libc.a(sigprocmask.o): In function `__GI_sigprocmask':
.../arm-unknown-linux-uclibcgnueabi/build/build-libc/libc/sysdeps/linux/common/sigprocmask.c:27: multiple definition of `sigprocmask'
.../arm-unknown-linux-uclibcgnueabi/sysroot/usr/lib/libpthread.a(pt-sigprocmask.o):.../arm-unknown-linux-uclibcgnueabi/build/build-libc/./libc/sysdeps/linux/arm/../../../../libc/sysdeps/linux/common/sigprocmask.c:27: first defined here
collect2: ld returned 1 exit status
I'm not sure what is the right fix.
Just remove libpthread/nptl/sysdeps/pthread/sigprocmask.c ?
Johannes
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