error: patch failed: debug/backtrace.c:20
error: debug/backtrace.c: patch does not apply
error: patch failed: sysdeps/generic/Makefile:21
error: sysdeps/generic/Makefile: patch does not apply
error: sysdeps/generic/sframe-read.c: already exists in working directory
error: sysdeps/generic/sframe-read.h: already exists in working directory
error: sysdeps/generic/sframe.c: already exists in working directory
error: sysdeps/generic/sframe.h: already exists in working directory
error: sysdeps/generic/uw-sigframe.h: already exists in working directory