Index: head/graphics/digikam-kde4/files/patch-libs_dimg_loaders_pgfloader.cpp
===================================================================
--- head/graphics/digikam-kde4/files/patch-libs_dimg_loaders_pgfloader.cpp	(nonexistent)
+++ head/graphics/digikam-kde4/files/patch-libs_dimg_loaders_pgfloader.cpp	(revision 459167)
@@ -0,0 +1,40 @@
+Fixes the build with clang 6.0, which defaults to -std=gnu++14:
+
+    /wrkdirs/usr/ports/graphics/digikam-kde4/work/digikam-4.14.0/core/libs/dimg/loaders/pgfloader.cpp:301:27: error: use of undeclared identifier 'NULL'
+                              NULL,
+                              ^
+    /usr/include/sys/_null.h:37:14: note: expanded from macro 'NULL'
+    #define NULL    nullptr
+                    ^
+    /usr/local/include/libpgf/PGFplatform.h:488:20: note: expanded from macro 'nullptr'
+    #define nullptr                         NULL
+                                            ^
+    /wrkdirs/usr/ports/graphics/digikam-kde4/work/digikam-4.14.0/core/libs/dimg/loaders/pgfloader.cpp:461:26: error: use of undeclared identifier 'NULL'
+                             NULL,
+                             ^
+    /usr/include/sys/_null.h:37:14: note: expanded from macro 'NULL'
+    #define NULL    nullptr
+                    ^
+    /usr/local/include/libpgf/PGFplatform.h:488:20: note: expanded from macro 'nullptr'
+    #define nullptr                         NULL
+                                            ^
+--- libs/dimg/loaders/pgfloader.cpp.orig	2018-01-16 12:23:12 UTC
++++ libs/dimg/loaders/pgfloader.cpp
+@@ -298,7 +298,7 @@ bool PGFLoader::load(const QString& filePath, DImgLoad
+             pgf.GetBitmap(m_sixteenBit ? width * 8 : width * 4,
+                           (UINT8*)data,
+                           m_sixteenBit ? 64 : 32,
+-                          NULL,
++                          nullptr,
+                           CallbackForLibPGF, this);
+ 
+             if (observer)
+@@ -458,7 +458,7 @@ bool PGFLoader::save(const QString& filePath, DImgLoad
+         pgf.ImportBitmap(4 * imageWidth() * (imageSixteenBit() ? 2 : 1),
+                          (UINT8*)imageData(),
+                          imageBitsDepth() * 4,
+-                         NULL,
++                         nullptr,
+                          CallbackForLibPGF, this);
+ 
+         UINT32 nWrittenBytes = 0;

Property changes on: head/graphics/digikam-kde4/files/patch-libs_dimg_loaders_pgfloader.cpp
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+yes
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+native
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+text/plain
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