examples: Add libevent-client, requires libevent for examples

configure.ac

@@ -237,7 +237,8 @@ AM_CONDITIONAL([ENABLE_SRC], [ test "x${enable_src}" = "xyes" ])
 # The example programs depend on OpenSSL
 enable_examples=no
 if test "x${request_examples}" = "xyes" &&
-   test "x${have_openssl}" = "xyes"; then
+   test "x${have_openssl}" = "xyes" &&
+   test "x${have_libevent_openssl}" = "xyes"; then
     enable_examples=yes
 fi
 

examples/Makefile.am

@@ -24,14 +24,26 @@
 if ENABLE_EXAMPLES
 
 AM_CFLAGS = -Wall
-AM_CPPFLAGS = -Wall -I$(srcdir)/../lib/includes -I$(builddir)/../lib/includes \
-	@OPENSSL_CFLAGS@ @DEFS@
-AM_LDFLAGS = @OPENSSL_LIBS@
+AM_CPPFLAGS = \
+	-Wall \
+	-I$(srcdir)/../lib/includes \
+	-I$(builddir)/../lib/includes \
+	-I$(top_srcdir)/src \
+	@LIBEVENT_OPENSSL_CFLAGS@ \
+	@OPENSSL_CFLAGS@ \
+	@DEFS@
+AM_LDFLAGS = \
+	@LIBEVENT_OPENSSL_LIBS@ \
+	@OPENSSL_LIBS@
 LDADD = $(top_builddir)/lib/libnghttp2.la
 
-noinst_PROGRAMS = client
+noinst_PROGRAMS = client libevent-client
 client_SOURCES = client.c
 
+libevent_client_SOURCES = \
+	libevent-client.c \
+	$(top_srcdir)/src/http-parser/http_parser.c
+
 endif # ENABLE_EXAMPLES
 
 EXTRA_DIST = README.rst