Replace bleeding-edge libevent with libevhtp.

A libevhtp package exists for recent releases of Linux distros. An
exception for these will come in a future patch.

Change-Id: I15b96be469b91f19c06c326fc52b42027c097df9
Bug: 26850406
Bug: 24204638
Reviewed-on: https://weave-review.googlesource.com/2384
Reviewed-by: Vitaly Buka <vitalybuka@google.com>

3 files changed, 37 insertions, 41 deletions

diff --git a/third_party/get_libevent.sh b/third_party/get_libevent.sh
deleted file mode 100755
index 9985bc0..0000000
--- a/third_party/get_libevent.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/bash
-# Copyright 2015 The Weave Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# Make libevent.
-# Example uses libevent to implement HTTPS server. This capability is
-# available only in version 2.1.x-alpha. Step could be replaced with apt-get
-# in future.
-cd $(dirname "$0")
-THIRD_PARTY=$(pwd)
-
-mkdir -p include lib
-
-rm -rf $THIRD_PARTY/libevent
-git clone https://github.com/libevent/libevent.git || exit 1
-cd libevent || exit 1
-
-./autogen.sh || exit 1
-./configure --disable-shared || exit 1
-make || exit 1
-if [ -z "$DISABLE_LIBEVENT_TEST" ]; then
-  echo -e "\n\nTesting libevent...\nCan take several minutes.\n"
-  make verify || exit 1
-fi
-cp -rf include/*.h include/event2 $THIRD_PARTY/include/ || exit 1
-cp -f .libs/lib* $THIRD_PARTY/lib/ || exit 1
-
-rm -rf $THIRD_PARTY/libevent
diff --git a/third_party/get_libevhtp.sh b/third_party/get_libevhtp.sh
new file mode 100755
index 0000000..c270813
--- /dev/null
+++ b/third_party/get_libevhtp.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+# Copyright 2016 The Weave Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Make libevhtp.
+# Example uses libevhtp to implement HTTPS server. This step could be
+# replaced with apt-get in future (Debian jessie, Ubuntu vivid).
+cd $(dirname "$0")
+THIRD_PARTY=$(pwd)
+
+mkdir -p include lib
+
+rm -rf $THIRD_PARTY/libevhtp
+curl -L https://github.com/ellzey/libevhtp/archive/1.2.10.tar.gz | tar xz || exit 1
+mv libevhtp-1.2.10 $THIRD_PARTY/libevhtp || exit 1
+cd $THIRD_PARTY/libevhtp || exit 1
+
+cmake -D EVHTP_DISABLE_REGEX:BOOL=ON . || exit 1
+make evhtp || exit 1
+
+cp -rf evhtp-config.h evhtp.h evthr/evthr.h htparse/htparse.h $THIRD_PARTY/include/ || exit 1
+cp -f libevhtp.a $THIRD_PARTY/lib/ || exit 1
+
+rm -rf $THIRD_PARTY/libevhtp
diff --git a/third_party/third_party.mk b/third_party/third_party.mk
index 8a11e2d..7f651a2 100644
--- a/third_party/third_party.mk
+++ b/third_party/third_party.mk
@@ -64,15 +64,15 @@ clean-gtest :
 	rm -rf third_party/googletest
 
 ###
-# libevent (third_party, downloaded on build)
-
-third_party/include/event2/event.h :
-	@echo Downloading and building libevent...
-	DISABLE_LIBEVENT_TEST=1 third_party/get_libevent.sh
-	@echo Finished downloading and building libevent.
-
-clean-libevent :
-	rm -rf third_party/include/ev* third_party/include/event2
-	rm -rf third_party/lib/libevent*
-	rm -rf third_party/libevent
-
+# libevhtp (third_party, downloaded on build)
+
+third_party/lib/libevhtp.a : third_party/include/evhtp.h
+third_party/include/evhtp.h :
+	@echo Downloading and building libevhtp...
+	third_party/get_libevhtp.sh
+	@echo Finished downloading and building libevhtp.
+
+clean-libevhtp :
+	rm -rf third_party/include/evhtp.h third_party/include/evhtp-config.h third_party/include/evthr.h third_party/include/htparse.h
+	rm -rf third_party/lib/libevhtp.a
+	rm -rf third_party/libevhtp