From d76b962d383e2944fe390594ced38521ac04c846 Mon Sep 17 00:00:00 2001
From: Sebastian Harl <sh@tokkee.org>
Date: Mon, 30 May 2016 23:10:08 +0200
Subject: [PATCH] configure / curl stats: Check for CURLINFO_APPCONNECT_TIME.

It's available since cURL 7.19 but RHEL5 ships an older version.
---
 configure.ac           | 30 ++++++++++++++++++++++++++++++
 src/utils_curl_stats.c |  2 ++
 2 files changed, 32 insertions(+)

diff --git a/configure.ac b/configure.ac
index 145f3936..4437aeef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1946,6 +1946,36 @@ then
 		 [[#include <curl/curl.h>]])
 	fi
 fi
+if test "x$with_libcurl" = "xyes"
+then
+	SAVE_CPPFLAGS="$CPPFLAGS"
+	SAVE_LDFLAGS="$LDFLAGS"
+	CPPFLAGS="$CPPFLAGS $with_curl_cflags"
+	LDFLAGS="$LDFLAGS $curl_curl_libs"
+	AC_CACHE_CHECK([for CURLINFO_APPCONNECT_TIME],
+		[c_cv_have_curlinfo_appconnect_time],
+		AC_LINK_IFELSE([AC_LANG_PROGRAM(
+[[[
+#include <curl/curl.h>
+]]],
+[[[
+int val = CURLINFO_APPCONNECT_TIME;
+return val;
+]]]
+			)],
+			[c_cv_have_curlinfo_appconnect_time="yes"],
+			[c_cv_have_curlinfo_appconnect_time="no"]
+		)
+	)
+	CPPFLAGS="$SAVE_CPPFLAGS"
+	LDFLAGS="$SAVE_LDFLAGS"
+fi
+AM_CONDITIONAL(BUILD_WITH_LIBCURL, test "x$with_libcurl" = "xyes")
+if test "x$c_cv_have_curlinfo_appconnect_time" = "xyes"
+then
+	AC_DEFINE(HAVE_CURLINFO_APPCONNECT_TIME, 1, [Define if curl.h defines CURLINFO_APPCONNECT_TIME.])
+fi
+
 if test "x$with_libcurl" = "xyes"
 then
 	BUILD_WITH_LIBCURL_CFLAGS="$with_curl_cflags"
diff --git a/src/utils_curl_stats.c b/src/utils_curl_stats.c
index 5a37083a..b242a239 100644
--- a/src/utils_curl_stats.c
+++ b/src/utils_curl_stats.c
@@ -136,7 +136,9 @@ static struct {
 	SPEC (redirect_time,           "RedirectTime",           dispatch_gauge, "duration", CURLINFO_REDIRECT_TIME),
 	SPEC (redirect_count,          "RedirectCount",          dispatch_size,  "count",    CURLINFO_REDIRECT_COUNT),
 	SPEC (num_connects,            "NumConnects",            dispatch_size,  "count",    CURLINFO_NUM_CONNECTS),
+#ifdef HAVE_CURLINFO_APPCONNECT_TIME
 	SPEC (appconnect_time,         "AppconnectTime",         dispatch_gauge, "duration", CURLINFO_APPCONNECT_TIME),
+#endif
 
 #undef SPEC
 };
-- 
2.30.2