From 2378f45d70c9ce4a093fd6b09216c1cd4563ebe2 Mon Sep 17 00:00:00 2001
From: Rene Engelhard <rene@debian.org>
Date: Tue, 5 Aug 2014 20:05:35 +0200
Subject: implement --with-system-gltf

Change-Id: Ic842006b28f8043bcbbaa81ab5a20e15aa52ac82
(cherry picked from commit 97bda8e081fd746e9ef743b165b5bf621fc21fbb)

diff --git a/RepositoryExternal.mk b/RepositoryExternal.mk
index ff50598..b42dce2 100644
--- a/RepositoryExternal.mk
+++ b/RepositoryExternal.mk
@@ -3281,6 +3281,8 @@ endif # DESKTOP
 
 ifeq ($(ENABLE_GLTF),TRUE)
 
+ifneq ($(SYSTEM_LIBGLTF),TRUE)
+
 define gb_LinkTarget__use_libgltf
 $(call gb_LinkTarget_set_include,$(1),\
     -I$(call gb_UnpackedTarball_get_dir,libgltf)/inc \
@@ -3306,6 +3308,22 @@ $(call gb_ExternalProject_use_external_project,$(1),libgltf)
 
 endef
 
+else # SYSTEM_LIBGLTF
+
+define gb_LinkTarget__use_libgltf
+$(call gb_LinkTarget_set_include,$(1),\
+	$$(INCLUDE) \
+	$(LIBGLTF_CFLAGS) \
+)
+$(call gb_LinkTarget_add_libs,$(1),$(LIBGLTF_LIBS))
+$(call gb_LinkTarget_add_defs,$(1),\
+	-DSYSTEM_LIBGLTF \
+)
+
+endef
+
+endif # SYSTEN_LIBGLTF
+
 define gb_LinkTarget__use_opencollada_parser
 $(call gb_LinkTarget_set_include,$(1),\
 	-I$(call gb_UnpackedTarball_get_dir,opencollada)/COLLADABaseUtils/include \
diff --git a/avmedia/source/opengl/oglframegrabber.hxx b/avmedia/source/opengl/oglframegrabber.hxx
index 5beb15b..0d38224 100644
--- a/avmedia/source/opengl/oglframegrabber.hxx
+++ b/avmedia/source/opengl/oglframegrabber.hxx
@@ -14,7 +14,11 @@
 #include <com/sun/star/lang/XServiceInfo.hpp>
 #include <com/sun/star/media/XFrameGrabber.hpp>
 
+#ifdef SYSTEM_LIBGLTF
+#include <libgltf/libgltf.h>
+#else
 #include <libgltf.h>
+#endif
 
 namespace avmedia { namespace ogl {
 
diff --git a/avmedia/source/opengl/oglplayer.hxx b/avmedia/source/opengl/oglplayer.hxx
index 03ad515..52aa395 100644
--- a/avmedia/source/opengl/oglplayer.hxx
+++ b/avmedia/source/opengl/oglplayer.hxx
@@ -14,7 +14,11 @@
 #include <cppuhelper/basemutex.hxx>
 #include <com/sun/star/lang/XServiceInfo.hpp>
 #include <com/sun/star/media/XPlayer.hpp>
+#ifdef SYSTEM_LIBGLTF
+#include <libgltf/libgltf.h>
+#else
 #include <libgltf.h>
+#endif
 #include <vcl/opengl/OpenGLContext.hxx>
 #include <vcl/timer.hxx>
 
diff --git a/avmedia/source/opengl/oglwindow.hxx b/avmedia/source/opengl/oglwindow.hxx
index a68f667..ae86083 100644
--- a/avmedia/source/opengl/oglwindow.hxx
+++ b/avmedia/source/opengl/oglwindow.hxx
@@ -17,7 +17,11 @@
 #include <com/sun/star/media/XPlayerWindow.hpp>
 #include <com/sun/star/media/ZoomLevel.hpp>
 
+#ifdef SYSTEM_LIBGLTF
+#include <libgltf/libgltf.h>
+#else
 #include <libgltf.h>
+#endif
 #include <vcl/opengl/OpenGLContext.hxx>
 #include <vcl/syschild.hxx>
 
diff --git a/config_host.mk.in b/config_host.mk.in
index b7e5b6c..aec0fa5 100644
--- a/config_host.mk.in
+++ b/config_host.mk.in
@@ -127,6 +127,9 @@ export ENABLE_GRAPHITE=@ENABLE_GRAPHITE@
 export ENABLE_ORCUS=@ENABLE_ORCUS@
 export ENABLE_HARFBUZZ=@ENABLE_HARFBUZZ@
 export ENABLE_GLTF=@ENABLE_GLTF@
+export SYSTEM_LIBGLTF=@SYSTEM_LIBGLTF@
+export LIBGLTF_CFLAGS=@LIBGLTF_CFLAGS@
+export LIBGLTF_LIBS=@LIBGLTF_LIBS@
 export ENABLE_GSTREAMER=@ENABLE_GSTREAMER@
 export ENABLE_GSTREAMER_0_10=@ENABLE_GSTREAMER_0_10@
 export ENABLE_GTK3=@ENABLE_GTK3@
diff --git a/configure.ac b/configure.ac
index 02791ca..63e067b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1552,6 +1552,11 @@ AC_ARG_WITH(system-jpeg,
         [Use jpeg already on system.]),,
     [with_system_jpeg=auto])
 
+AC_ARG_WITH(system-libgltf,
+    AS_HELP_STRING([--with-system-libgltf],
+        [Use libgltf already on system.]),,
+    [with_system_libgltf=auto])
+
 AC_ARG_WITH(system-clucene,
     AS_HELP_STRING([--with-system-clucene],
         [Use clucene already on system.]),,
@@ -10561,7 +10566,12 @@ if test "x$enable_gltf" != "xno" -a $_os != Darwin -a $_os != iOS -a $_os != And
     ENABLE_GLTF=TRUE
     AC_MSG_RESULT([yes])
     AC_DEFINE(HAVE_FEATURE_GLTF,1)
-    BUILD_TYPE="$BUILD_TYPE LIBGLTF"
+    if test "$with_system_libgltf" = "yes"; then
+	SYSTEM_LIBGLTF=TRUE
+	PKG_CHECK_MODULES( LIBGLTF, libgltf-0.0 )
+    else
+    	BUILD_TYPE="$BUILD_TYPE LIBGLTF"
+    fi
     # otherwise build fails in collada2gltf external because of std::shared_ptr
     if test "$have_std_shared_ptr" = "yes"; then
         BUILD_TYPE="$BUILD_TYPE COLLADA2GLTF"
@@ -10570,6 +10580,9 @@ else
     AC_MSG_RESULT([no])
 fi
 AC_SUBST(ENABLE_GLTF)
+AC_SUBST(SYSTEM_LIBGLTF)
+AC_SUBST(LIBGLTF_CFLAGS)
+AC_SUBST(LIBGLTF_LIBS)
 
 # pdf import?
 AC_MSG_CHECKING([whether to build the PDF import feature])
-- 
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