From 8ae94ada7cf714a453eb62bee26bb16be2206829 Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Thu, 26 Mar 2020 16:05:35 +0800
Subject: [PATCH] Merge #18397: build: Fix libevent linking for bench_bitcoin
 binary

cd04286825c6512b46bf59ab7b3dfffb0e36d65b build: Fix typo in EVENT_CFLAGS variable (Hennadii Stepanov)
f709ad0c907d87d03002455967cc30ae7d704d80 build: Fix libevent linking for bench_bitcoin binary (Hennadii Stepanov)

Pull request description:

  This change fixes `libevent` linking error for the `bench_bitcoin` binary.

  This PR is an alternative to #18377.
  Fix #18373.

  Also fixed a typo in `EVENT_CFLAGS` variable noted by **brakmic**.

ACKs for top commit:
  fanquake:
    ACK cd04286825c6512b46bf59ab7b3dfffb0e36d65b

Tree-SHA512: a62f7457e86b11d3a55d603ea5d83f3a413792e2f28a0c72300e54d12591bd6f0acc1d76a4bd4b591e0223bc6d530e7a4b9a8b939fe2fdbf2dddfda5b1b537be
---
 configure.ac               | 4 ++--
 src/Makefile.bench.include | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 08c0452d23..ff5e5e910a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1473,7 +1473,7 @@ if test x$use_pkgconfig = xyes; then
       if test x$use_qr != xno; then
         BITCOIN_QT_CHECK([PKG_CHECK_MODULES([QR], [libqrencode], [have_qrencode=yes], [have_qrencode=no])])
       fi
-      if test x$build_bitcoin_cli$build_bitcoind$bitcoin_enable_qt$use_tests != xnononono; then
+      if test x$build_bitcoin_cli$build_bitcoind$bitcoin_enable_qt$use_tests$use_bench != xnononono; then
         PKG_CHECK_MODULES([EVENT], [libevent >= 2.0.21], [use_libevent=yes], [AC_MSG_ERROR(libevent version 2.0.21 or greater not found.)])
         if test x$TARGET_OS != xwindows; then
           PKG_CHECK_MODULES([EVENT_PTHREADS], [libevent_pthreads >= 2.0.21],, [AC_MSG_ERROR(libevent_pthreads version 2.0.21 or greater not found.)])
@@ -1493,7 +1493,7 @@ if test x$use_pkgconfig = xyes; then
   )
 else
 
-  if test x$build_bitcoin_cli$build_bitcoind$bitcoin_enable_qt$use_tests != xnononono; then
+  if test x$build_bitcoin_cli$build_bitcoind$bitcoin_enable_qt$use_tests$use_bench != xnonononono; then
     AC_CHECK_HEADER([event2/event.h],, AC_MSG_ERROR(libevent headers missing),)
     AC_CHECK_LIB([event],[main],EVENT_LIBS=-levent,AC_MSG_ERROR(libevent missing))
     if test x$TARGET_OS != xwindows; then
diff --git a/src/Makefile.bench.include b/src/Makefile.bench.include
index 0eb0ce8888..684cdced6f 100644
--- a/src/Makefile.bench.include
+++ b/src/Makefile.bench.include
@@ -52,7 +52,7 @@ bench_bench_dash_SOURCES = \
 
 nodist_bench_bench_dash_SOURCES = $(GENERATED_BENCH_FILES)
 
-bench_bench_dash_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(EVENT_CLFAGS) $(EVENT_PTHREADS_CFLAGS) -I$(builddir)/bench/
+bench_bench_dash_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) $(EVENT_CFLAGS) $(EVENT_PTHREADS_CFLAGS) -I$(builddir)/bench/
 bench_bench_dash_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 bench_bench_dash_LDADD = \
   $(LIBBITCOIN_SERVER) \