1#!/bin/sh
2
3# Exit with status 0 if a supported version of libpthread is found (NPTL or
4# non-Linux libpthread) and exit with status 1 if a non-supported version of
5# libpthread is found (LinuxThreads).
6
7if [ "$(uname)" = "Linux" ]; then
8  if [ ! -x /usr/bin/getconf ]; then
9    echo "Error: could not find the program /usr/bin/getconf."
10    echo "Please install the glibc-common package."
11    # Assume NPTL.
12    exit 0
13  fi
14  libpthread_version="$(/usr/bin/getconf GNU_LIBPTHREAD_VERSION 2>/dev/null)"
15  if [ "${libpthread_version#NPTL}" != "${libpthread_version}" ]; then
16    # NPTL
17    exit 0
18  fi
19  # configuration string is empty or does start with "linuxthreads".
20  exit 1
21fi
22
23# Another OS than Linux, which is also fine.
24exit 0
25