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-rw-r--r--libevent/m4/ntp_pkg_config.m427
1 files changed, 27 insertions, 0 deletions
diff --git a/libevent/m4/ntp_pkg_config.m4 b/libevent/m4/ntp_pkg_config.m4
new file mode 100644
index 0000000..1bce8a6
--- /dev/null
+++ b/libevent/m4/ntp_pkg_config.m4
@@ -0,0 +1,27 @@
+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
+