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dnl NTP_PKG_CONFIG -*- Autoconf -*-
dnl
dnl Look for pkg-config, which must be at least
dnl $ntp_pkgconfig_min_version.
dnl
AC_DEFUN([NTP_PKG_CONFIG], [
dnl lower the minimum version if you find an earlier one works
ntp_pkgconfig_min_version='0.15.0'
AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
AS_UNSET([ac_cv_path_PKG_CONFIG])
AS_UNSET([ac_cv_path_ac_pt_PKG_CONFIG])
case "$PKG_CONFIG" in
/*)
AC_MSG_CHECKING([if pkg-config is at least version $ntp_pkgconfig_min_version])
if $PKG_CONFIG --atleast-pkgconfig-version $ntp_pkgconfig_min_version; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
PKG_CONFIG=""
fi
;;
esac
]) dnl NTP_PKG_CONFIG
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