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#!/bin/sh
#
# Test to see if backtrace requires a library in /usr/lib
# Returns true if the backtrace command works and requires a library in /usr/lib
# This is a nasty workaround for Debian bug #708307, which is really a glibc bug
#
cat > /tmp/backtrace$$.c << EOF
#include <execinfo.h>
int main(int argc, char **argv)
{
void *stack_syms[32];
int frames;
frames = backtrace(stack_syms, 32);
backtrace_symbols_fd(stack_syms, frames, 0);
}
EOF
if ! cc -o /tmp/backtrace$$ /tmp/backtrace$$.c; then
exit 1
fi
if ! ldd /tmp/backtrace$$ > /tmp/backtrace$$.ldd 2>&1 ; then
exit 1
fi
grep -q /usr/lib /tmp/backtrace$$.ldd
ret=$?
/bin/rm -f /tmp/backtrace$$*
exit $ret
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