Created attachment 605 [details]
Error log

[Build version]:http://autobuilder.yoctoproject.org/pub/nightly/20120621-3/
[Issue]:gcc and g++ compilation failed. TC-2696, TC-2698 , TC-2699 - failed. https://wiki.yoctoproject.org/wiki/images/a/a1/Yocto_1.3_M1_Test_Execution_Plan.pdf
[Test Steps]:
1)runqemu qemux86-64 bzImage-qemux86-64.bin core-image-sato-sdk-qemux86-64-20120621032451.rootfs.ext3
2)once system comes up properly 
#vi test.c
#include <stdio.h>
#include <math.h>
double convert(long long l) 
{ 
      return (double)l; 
      // or double(l)
}
int main(int argc, char * argv[]) 
{ 
     long long l = 10; 
     double f;
     f = convert(l);
     printf("convert: %lld => %f\n", l, f);
     f = 1234.67;
     printf("floorf(%f) = %f\n", f, floorf(f));
     return 0;
} 
3)#gcc test.c -o test -lm"

ERROR : /usr/lib/gcc/i586-poky-linux/4.7.1/../../../../i586-poky-linux/bin/ld: this linker was not configured to   use sysroots collect2: error: ld returned 1 exit status
[Same failure for g++ as well.]

Note @ Same Result is observed on Qemu_x86_32 sato-SDK also.