Hi all,
One of our students is trying to install rtlinux, and keeps getting
a warning message about __errno_location being an unresolved symbol
in rtl_posixio.o. We have looked through the kernel and rtlinux
source files, but can't find where it is implemented. The only
thing we found was:
extern int (*__errno_location)(void);
#define errno (*(*__errno_location)())
He tried it with 2.2.14 and 2.2.18 kernels and the rtlinux-2.2a
files. He followed the instructions (including a make mrproper).
What are we missing?
Patrick
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