Feature: Support ImageMagick 7

CHANGES

@@ -47,6 +47,7 @@ Misc:
  - GB Audio: Start implementing "zombie" audio (fixes mgba.io/i/389)
  - VFS: Fix some minor VFile issues with FILEs
  - Core: Add generic checksum function
+ - Feature: Support ImageMagick 7
 
 0.5.2: (2016-12-31)
 Bugfixes:

CMakeLists.txt

@@ -322,6 +322,7 @@ if(HAVE_UMASK)
 endif()
 
 # Feature dependencies
+set(FEATURE_DEFINES)
 set(FEATURES)
 if(CMAKE_SYSTEM_NAME MATCHES .*BSD)
 	set(LIBEDIT_LIBRARIES -ledit)
@@ -431,11 +432,16 @@ if(USE_MAGICK)
 	list(APPEND FEATURE_SRC "${CMAKE_CURRENT_SOURCE_DIR}/src/feature/imagemagick/imagemagick-gif-encoder.c")
 	list(APPEND DEPENDENCY_LIB ${MAGICKWAND_LIBRARIES})
 	string(REGEX MATCH "^[0-9]+\\.[0-9]+" MAGICKWAND_VERSION_PARTIAL ${MagickWand_VERSION})
+	string(REGEX MATCH "^[0-9]+" MAGICKWAND_VERSION_MAJOR ${MagickWand_VERSION})
 	if(${MAGICKWAND_VERSION_PARTIAL} EQUAL "6.7")
 		set(MAGICKWAND_DEB_VERSION "5")
+	elseif(${MagickWand_VERSION} EQUAL "6.9.7")
+		set(MAGICKWAND_DEB_VERSION "-6.q16-3")
 	else()
 		set(MAGICKWAND_DEB_VERSION "-6.q16-2")
 	endif()
+	list(APPEND FEATURE_DEFINES MAGICKWAND_VERSION_MAJOR=${MAGICKWAND_VERSION_MAJOR})
+
 	set(CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS},libmagickwand${MAGICKWAND_DEB_VERSION}")
 endif()
 
@@ -595,7 +601,6 @@ if(USE_DEBUGGERS)
 	list(APPEND FEATURES DEBUGGERS)
 endif()
 
-set(FEATURE_DEFINES)
 foreach(FEATURE IN LISTS FEATURES)
 	list(APPEND FEATURE_DEFINES "USE_${FEATURE}")
 endforeach()

src/feature/imagemagick/imagemagick-gif-encoder.h

@@ -15,7 +15,11 @@ CXX_GUARD_START
 #define MAGICKCORE_HDRI_ENABLE 0
 #define MAGICKCORE_QUANTUM_DEPTH 8
 
+#if MAGICKWAND_VERSION_MAJOR >= 7
+#include <MagickWand/MagickWand.h>
+#else
 #include <wand/MagickWand.h>
+#endif
 
 struct ImageMagickGIFEncoder {
 	struct mAVStream d;