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/usr/share/systemtap/runtime/autoconf-kallsyms-on-each-symbol.c is in systemtap-common 1.6-1ubuntu1.

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#include <linux/kallsyms.h>

#ifdef CONFIG_PPC64
#error kallsyms_on_each_symbol optimization not supported on ppc64.
#endif

void foo (void) {
   (void) kallsyms_on_each_symbol(NULL, NULL);
}