Cleanup: correct usage of extern-C blocks in various places

This removes extern-C blocks around other includes and adds
such blocks for some headers that need them.

8 files changed, 2 insertions, 16 deletions

diff --git a/source/blender/freestyle/intern/application/AppConfig.cpp b/source/blender/freestyle/intern/application/AppConfig.cpp
index b26c9a58f70..3aae4254b4b 100644
--- a/source/blender/freestyle/intern/application/AppConfig.cpp
+++ b/source/blender/freestyle/intern/application/AppConfig.cpp
@@ -26,9 +26,7 @@
 
 using namespace std;
 
-extern "C" {
 #include "BKE_appdir.h"
-}
 
 namespace Freestyle {
 
diff --git a/source/blender/freestyle/intern/application/AppView.cpp b/source/blender/freestyle/intern/application/AppView.cpp
index 0956d33a20e..5cd30a61712 100644
--- a/source/blender/freestyle/intern/application/AppView.cpp
+++ b/source/blender/freestyle/intern/application/AppView.cpp
@@ -33,7 +33,6 @@
 #include "../view_map/Silhouette.h"
 #include "../view_map/ViewMap.h"
 
-extern "C" {
 #include "BLI_blenlib.h"
 
 #include "IMB_imbuf.h"
@@ -45,7 +44,6 @@ extern "C" {
 #endif
 
 #include "FRS_freestyle.h"
-}
 
 namespace Freestyle {
 
diff --git a/source/blender/freestyle/intern/blender_interface/BlenderFileLoader.h b/source/blender/freestyle/intern/blender_interface/BlenderFileLoader.h
index d9387b221f8..9d8b7e55fbb 100644
--- a/source/blender/freestyle/intern/blender_interface/BlenderFileLoader.h
+++ b/source/blender/freestyle/intern/blender_interface/BlenderFileLoader.h
@@ -37,7 +37,6 @@
 
 #include "MEM_guardedalloc.h"
 
-extern "C" {
 #include "DNA_material_types.h"
 #include "DNA_mesh_types.h"
 #include "DNA_meshdata_types.h"
@@ -56,7 +55,6 @@ extern "C" {
 #include "BLI_iterator.h"
 #include "BLI_listbase.h"
 #include "BLI_math.h"
-}
 
 #include "DEG_depsgraph_query.h"
 
diff --git a/source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp b/source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp
index 26070a88e5d..51ac281e330 100644
--- a/source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp
+++ b/source/blender/freestyle/intern/blender_interface/FRS_freestyle.cpp
@@ -34,8 +34,6 @@ using namespace Freestyle;
 
 #include "MEM_guardedalloc.h"
 
-extern "C" {
-
 #include "DNA_camera_types.h"
 #include "DNA_collection_types.h"
 #include "DNA_freestyle_types.h"
@@ -65,6 +63,8 @@ extern "C" {
 
 #include "FRS_freestyle.h"
 
+extern "C" {
+
 #define DEFAULT_SPHERE_RADIUS 1.0f
 #define DEFAULT_DKR_EPSILON 0.0f
 
diff --git a/source/blender/freestyle/intern/stroke/BasicStrokeShaders.cpp b/source/blender/freestyle/intern/stroke/BasicStrokeShaders.cpp
index d969e0e50a3..36234ad619c 100644
--- a/source/blender/freestyle/intern/stroke/BasicStrokeShaders.cpp
+++ b/source/blender/freestyle/intern/stroke/BasicStrokeShaders.cpp
@@ -37,10 +37,8 @@
 
 #include "BKE_global.h"
 
-extern "C" {
 #include "IMB_imbuf.h"
 #include "IMB_imbuf_types.h"
-}
 
 namespace Freestyle {
 
diff --git a/source/blender/freestyle/intern/system/PythonInterpreter.h b/source/blender/freestyle/intern/system/PythonInterpreter.h
index 4bc6ba9db38..8099ed63199 100644
--- a/source/blender/freestyle/intern/system/PythonInterpreter.h
+++ b/source/blender/freestyle/intern/system/PythonInterpreter.h
@@ -34,7 +34,6 @@ extern "C" {
 #include "MEM_guardedalloc.h"
 
 // soc
-extern "C" {
 #include "DNA_text_types.h"
 
 #include "BKE_context.h"
@@ -47,7 +46,6 @@ extern "C" {
 #include "BPY_extern.h"
 
 #include "bpy_capi_utils.h"
-}
 
 namespace Freestyle {
 
diff --git a/source/blender/freestyle/intern/system/RenderMonitor.h b/source/blender/freestyle/intern/system/RenderMonitor.h
index 709df6c2d8e..eef4683328b 100644
--- a/source/blender/freestyle/intern/system/RenderMonitor.h
+++ b/source/blender/freestyle/intern/system/RenderMonitor.h
@@ -22,9 +22,7 @@
  * \brief Classes defining the basic "Iterator" design pattern
  */
 
-extern "C" {
 #include "render_types.h"
-}
 
 #ifdef WITH_CXX_GUARDEDALLOC
 #  include "MEM_guardedalloc.h"
diff --git a/source/blender/freestyle/intern/system/StringUtils.h b/source/blender/freestyle/intern/system/StringUtils.h
index aeacddd64c8..fd97ca5b032 100644
--- a/source/blender/freestyle/intern/system/StringUtils.h
+++ b/source/blender/freestyle/intern/system/StringUtils.h
@@ -28,10 +28,8 @@
 #include <string>
 #include <vector>
 
-extern "C" {
 #include "BLI_path_util.h"
 #include "BLI_string.h"
-}
 
 using namespace std;