wpe: Add autotools build support

configure.ac

@@ -2305,6 +2305,15 @@ AG_GST_CHECK_FEATURE(WEBRTC, [WebRTC], webrtc, [
   ])
 ])
 
+dnl *** WPE ***
+translit(dnm, m, l) AM_CONDITIONAL(USE_WPE, true)
+AG_GST_CHECK_FEATURE(WPE, [WPE plug-in], wpe, [
+PKG_CHECK_MODULES(WPE, [ wpe-webkit-0.1 >= 2.22 wpebackend-fdo-0.1 egl xkbcommon ], [
+    HAVE_WPE="yes" ], [
+    HAVE_WPE="no"
+  ])
+])
+
 dnl *** usrsctp ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_SCTP, true)
 AG_GST_CHECK_FEATURE(SCTP, [sctp plug-in], sctp, [
@@ -2695,6 +2704,7 @@ ext/zbar/Makefile
 ext/dtls/Makefile
 ext/webrtc/Makefile
 ext/webrtcdsp/Makefile
+ext/wpe/Makefile
 ext/ttml/Makefile
 po/Makefile.in
 docs/Makefile

ext/Makefile.am

@@ -394,6 +394,12 @@ else
 TTML_DIR=
 endif
 
+if USE_WPE
+WPE_DIR=wpe
+else
+WPE_DIR=
+endif
+
 SUBDIRS=\
 	$(VOAACENC_DIR) \
 	$(ASSRENDER_DIR) \
@@ -461,7 +467,8 @@ SUBDIRS=\
 	$(VULKAN_DIR) \
 	$(WEBRTCDSP_DIR) \
 	$(TTML_DIR) \
-	$(WEBRTC_DIR)
+	$(WEBRTC_DIR) \
+	$(WPE_DIR)
 
 DIST_SUBDIRS = \
 	assrender \
@@ -527,6 +534,7 @@ DIST_SUBDIRS = \
 	vulkan \
 	webrtcdsp \
 	ttml \
-	webrtc
+	webrtc \
+	wpe
 
 include $(top_srcdir)/common/parallel-subdirs.mak

ext/wpe/Makefile.am

@@ -0,0 +1,29 @@
+plugin_LTLIBRARIES = libgstwpe.la
+
+# sources used to compile this plug-in
+libgstwpe_la_SOURCES = \
+	gstwpesrc.cpp \
+	WPEThreadedView.cpp
+
+# compiler and linker flags used to compile this plugin, set in configure.ac
+libgstwpe_la_CXXFLAGS = \
+	$(GST_PLUGINS_BASE_CFLAGS) \
+	$(GST_BASE_CFLAGS) \
+	$(GST_GL_CFLAGS) \
+	$(GST_CFLAGS) \
+	$(WPE_CFLAGS)
+
+libgstwpe_la_LIBADD = \
+	$(GST_PLUGINS_BASE_LIBS) \
+	-lgstvideo-$(GST_API_VERSION) \
+	$(GST_BASE_LIBS) \
+	$(GST_GL_LIBS) \
+	$(GST_LIBS) \
+	$(WPE_LIBS)
+
+libgstwpe_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+
+# headers we need but don't want installed
+noinst_HEADERS = \
+	gstwpesrc.h \
+	WPEThreadedView.h