From 9e137cdbc77ab58680fcf674c7968281eea12492 Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@leeloo.lan.home.verplant.org>
Date: Sat, 2 Dec 2006 17:51:16 +0100
Subject: [PATCH] dns plugin: Check for `libpthread' and link the plugin
 against it.

---
 configure.in    | 53 ++++++++++++++++++++++++++++-------------------------
 src/Makefile.am | 25 ++++++++++++++-----------
 2 files changed, 42 insertions(+), 36 deletions(-)

diff --git a/configure.in b/configure.in
index 52a8cef4..348552ec 100644
--- a/configure.in
+++ b/configure.in
@@ -277,6 +277,8 @@ AC_CHECK_HEADERS(regex.h)
 
 # For the dns plugin
 AC_CHECK_HEADERS(arpa/nameser.h)
+AC_CHECK_HEADERS(pthread.h)
+AC_CHECK_HEADERS(net/if_ppp.h)
 
 dnl Checking for libraries
 AC_CHECK_LIB(m, ext)
@@ -495,31 +497,32 @@ AC_DEFINE_UNQUOTED(COLLECT_RRDTOOL, [$collect_rrdtool],
 	[Wether or not to use rrdtool library])
 AM_CONDITIONAL(BUILD_WITH_RRDTOOL, test "x$with_rrdtool" = "xyes")
 
-#AC_ARG_WITH(pth, [AS_HELP_STRING([--with-pth=@<:@=PREFIX@:>@], [Path to pth (experimental).]),
-#[	if test "x$withval" != "xno" && test "x$withval" != "xyes"
-#	then
-#		LDFLAGS="$LDFLAGS -L$withval/lib"
-#		CPPFLAGS="$CPPFLAGS -I$withval/include"
-#		with_pth="yes"
-#	fi
-#], [with_pth="no"])
-#if test "x$with_pth" = "xyes"
-#then
-#	AC_CHECK_LIB(pth, pth_init,, [with_pth="no (libpth not found)"], [])
-#fi
-#if test "x$with_pth" = "xyes"
-#then
-#	AC_CHECK_HEADERS(pth.h,, [with_pth="no (pth.h not found)"])
-#fi
-#if test "x$with_pth" = "xyes"
-#then
-#	collect_pth=1
-#else
-#	collect_pth=0
-#fi
-#AC_DEFINE_UNQUOTED(COLLECT_PTH, [$collect_pth],
-#	[Wether or not to use pth (portable threads) library])
-#AM_CONDITIONAL(BUILD_WITH_PTH, test "x$with_pth" = "xyes")
+with_pthread="yes"
+AC_ARG_WITH(pthread, [AS_HELP_STRING([--with-pthread=@<:@=PREFIX@:>@], [Path to pthread (experimental).])],
+[	if test "x$withval" != "xno" && test "x$withval" != "xyes"
+	then
+		LDFLAGS="$LDFLAGS -L$withval/lib"
+		CPPFLAGS="$CPPFLAGS -I$withval/include"
+		with_pthread="yes"
+	fi
+], [with_pthread="no"])
+if test "x$with_pthread" = "xyes"
+then
+	AC_CHECK_LIB(pthread, pthread_create, [with_pthread="yes"], [with_pthread="no (libpthread not found)"], [])
+fi
+if test "x$with_pthread" = "xyes"
+then
+	AC_CHECK_HEADERS(pthread.h,, [with_pthread="no (pthread.h not found)"])
+fi
+if test "x$with_pthread" = "xyes"
+then
+	collect_pthread=1
+else
+	collect_pthread=0
+fi
+AC_DEFINE_UNQUOTED(HAVE_LIBPTHREAD, [$collect_pthread],
+	[Wether or not to use pthread (POSIX threads) library])
+AM_CONDITIONAL(BUILD_WITH_LIBPTHREAD, test "x$with_pthread" = "xyes")
 
 if test "$ac_system" = "Solaris"
 then
diff --git a/src/Makefile.am b/src/Makefile.am
index 5cd0e282..12693691 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -156,6 +156,20 @@ collectd_LDADD += "-dlopen" disk.la
 collectd_DEPENDENCIES += disk.la
 endif
 
+if BUILD_MODULE_DNS
+pkglib_LTLIBRARIES += dns.la
+dns_la_SOURCES = dns.c utils_dns.c
+dns_la_LDFLAGS = -module -avoid-version
+if BUILD_WITH_LIBPCAP
+dns_la_LDFLAGS += -lpcap
+endif
+if BUILD_WITH_LIBPTHREAD
+dns_la_LDFLAGS += -lpthread
+endif
+collectd_LDADD += "-dlopen" dns.la
+collectd_DEPENDENCIES += dns.la
+endif
+
 #if BUILD_MODULE_QUOTA
 #pkglib_LTLIBRARIES += quota.la
 #quota_la_SOURCES = quota_plugin.c quota_plugin.h
@@ -237,17 +251,6 @@ collectd_LDADD += "-dlopen" mysql.la
 collectd_DEPENDENCIES += mysql.la
 endif
 
-if BUILD_MODULE_DNS
-pkglib_LTLIBRARIES += dns.la
-dns_la_SOURCES = dns.c utils_dns.c
-dns_la_LDFLAGS = -module -avoid-version
-if BUILD_WITH_LIBPCAP
-dns_la_LDFLAGS += -lpcap
-endif
-collectd_LDADD += "-dlopen" dns.la
-collectd_DEPENDENCIES += dns.la
-endif
-
 if BUILD_MODULE_NFS
 pkglib_LTLIBRARIES += nfs.la
 nfs_la_SOURCES = nfs.c
-- 
2.11.0