From fa597642871e284bb1b7c86996bb58c79c9c799c Mon Sep 17 00:00:00 2001
From: Marcus Meissner <marcus@jet.franken.de>
Date: Sun, 12 Jan 2020 14:52:17 +0100
Subject: fixed conditional building of lumix driver.

automake method did not work, so just build an empty driver
if we do not have libxml2 or libcurl

fixes https://github.com/gphoto/gphoto2/issues/281
fixes https://github.com/gphoto/libgphoto2/issues/466
---
 camlibs/lumix/Makefile-files |  6 +-----
 camlibs/lumix/lumix.c        | 47 ++++++++++++++++++++++++++++++++------------
 2 files changed, 35 insertions(+), 18 deletions(-)

diff --git a/camlibs/lumix/Makefile-files b/camlibs/lumix/Makefile-files
index d8d151ff8..1670b332b 100644
--- a/camlibs/lumix/Makefile-files
+++ b/camlibs/lumix/Makefile-files
@@ -1,13 +1,9 @@
 # -*- Makefile -*-
 
 EXTRA_DIST += lumix/README.lumix
-
 noinst_DATA += lumix/README.lumix
-if BUILD_LUMIX
+
 EXTRA_LTLIBRARIES += lumix.la
-else
-EXTRA_DIST += lumix/lumix.c
-endif
 
 lumix_la_SOURCES = lumix/lumix.c
 lumix_la_CFLAGS = $(AM_CFLAGS) $(NO_UNUSED_CFLAGS) $(CFLAGS) $(LIBXML2_CFLAGS) $(LIBCURL_CFLAGS)
diff --git a/camlibs/lumix/lumix.c b/camlibs/lumix/lumix.c
index eeb0a0b54..3115b0648 100644
--- a/camlibs/lumix/lumix.c
+++ b/camlibs/lumix/lumix.c
@@ -24,15 +24,20 @@
  */
 #include "config.h"
 
+
 #include <string.h>
 #include <errno.h>
-#include <curl/curl.h>
+#ifdef HAVE_LIBCURL
+# include <curl/curl.h>
+#endif
 #include <stdio.h>
-#include <libxml/parser.h>
-#include <libxml/tree.h>
 #include <stdlib.h>
-#include <libxml/xmlmemory.h>
-#include <libxml/xmlreader.h>
+#ifdef HAVE_LIBXML2
+# include <libxml/parser.h>
+# include <libxml/tree.h>
+# include <libxml/xmlmemory.h>
+# include <libxml/xmlreader.h>
+#endif
 
 
 #include <sys/socket.h>
@@ -82,6 +87,8 @@
 #  define N_(String) (String)
 #endif
 
+#if defined(HAVE_LIBCURL) && defined(HAVE_LIBXML2)
+
 char* CDS_Control  = ":60606/Server0/CDS_control";
 int ReadoutMode = 2; // this should be picked up from the settings.... 0-> JPG; 1->RAW; 2 -> Thumbnails
 char* cameraShutterSpeed = "B"; // //placeholder to store the value of the shutterspeed set in camera; "B" is for bulb.
@@ -370,14 +377,6 @@ storage_info_func (CameraFilesystem *fs,
 /**********************************************************************/
 
 
-int
-camera_id (CameraText *id) 
-{
-	strcpy(id->text, "Lumix Wifi");
-
-	return GP_OK;
-}
-
 static size_t
 write_callback(char *contents, size_t size, size_t nmemb, void *userp)
 {
@@ -1919,3 +1918,25 @@ camera_init (Camera *camera, GPContext *context)
 	} else
 		return GP_ERROR_IO;
 }
+
+#else
+/* no XML2 or no CURL -> no camera here */
+int
+camera_init (Camera *camera, GPContext *context) 
+{
+	return GP_OK;
+}
+
+int camera_abilities (CameraAbilitiesList *list)
+{
+	return GP_OK;
+}
+#endif
+
+int
+camera_id (CameraText *id) 
+{
+	strcpy(id->text, "Lumix Wifi");
+
+	return GP_OK;
+}
-- 
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