Adding libwebp: Patches to libwebp 0.4.0 for Qt usage

Task-number: QTBUG-14205
Change-Id: Id7c3f4d9398b613a18033d8f3f624448f31ce33d
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

src/3rdparty/libwebp.pri

+CONFIG += object_parallel_to_source no_batch
+
+INCLUDEPATH += \
+    $$PWD/libwebp \
+    $$PWD/libwebp/src \
+    $$PWD/libwebp/src/dec \
+    $$PWD/libwebp/src/enc \
+    $$PWD/libwebp/src/dsp \
+    $$PWD/libwebp/src/mux \
+    $$PWD/libwebp/src/utils \
+    $$PWD/libwebp/src/webp
+
+SOURCES += \
+    $$PWD/libwebp/src/dec/alpha.c \
+    $$PWD/libwebp/src/dec/buffer.c \
+    $$PWD/libwebp/src/dec/frame.c \
+    $$PWD/libwebp/src/dec/idec.c \
+    $$PWD/libwebp/src/dec/io.c \
+    $$PWD/libwebp/src/dec/layer.c \
+    $$PWD/libwebp/src/dec/quant.c \
+    $$PWD/libwebp/src/dec/tree.c \
+    $$PWD/libwebp/src/dec/vp8.c \
+    $$PWD/libwebp/src/dec/vp8l.c \
+    $$PWD/libwebp/src/dec/webp.c \
+    $$PWD/libwebp/src/demux/demux.c \
+    $$PWD/libwebp/src/dsp/cpu.c \
+    $$PWD/libwebp/src/dsp/dec.c \
+    $$PWD/libwebp/src/dsp/dec_neon.c \
+    $$PWD/libwebp/src/dsp/dec_sse2.c \
+    $$PWD/libwebp/src/dsp/enc.c \
+    $$PWD/libwebp/src/dsp/enc_neon.c \
+    $$PWD/libwebp/src/dsp/enc_sse2.c \
+    $$PWD/libwebp/src/dsp/lossless.c \
+    $$PWD/libwebp/src/dsp/upsampling.c \
+    $$PWD/libwebp/src/dsp/upsampling_neon.c \
+    $$PWD/libwebp/src/dsp/upsampling_sse2.c \
+    $$PWD/libwebp/src/dsp/yuv.c \
+    $$PWD/libwebp/src/enc/alpha.c \
+    $$PWD/libwebp/src/enc/analysis.c \
+    $$PWD/libwebp/src/enc/backward_references.c \
+    $$PWD/libwebp/src/enc/config.c \
+    $$PWD/libwebp/src/enc/cost.c \
+    $$PWD/libwebp/src/enc/filter.c \
+    $$PWD/libwebp/src/enc/frame.c \
+    $$PWD/libwebp/src/enc/histogram.c \
+    $$PWD/libwebp/src/enc/iterator.c \
+    $$PWD/libwebp/src/enc/layer.c \
+    $$PWD/libwebp/src/enc/picture.c \
+    $$PWD/libwebp/src/enc/quant.c \
+    $$PWD/libwebp/src/enc/syntax.c \
+    $$PWD/libwebp/src/enc/token.c \
+    $$PWD/libwebp/src/enc/tree.c \
+    $$PWD/libwebp/src/enc/vp8l.c \
+    $$PWD/libwebp/src/enc/webpenc.c \
+    $$PWD/libwebp/src/mux/muxedit.c \
+    $$PWD/libwebp/src/mux/muxinternal.c \
+    $$PWD/libwebp/src/mux/muxread.c \
+    $$PWD/libwebp/src/utils/alpha_processing.c \
+    $$PWD/libwebp/src/utils/bit_reader.c \
+    $$PWD/libwebp/src/utils/bit_writer.c \
+    $$PWD/libwebp/src/utils/color_cache.c \
+    $$PWD/libwebp/src/utils/filters.c \
+    $$PWD/libwebp/src/utils/huffman.c \
+    $$PWD/libwebp/src/utils/huffman_encode.c \
+    $$PWD/libwebp/src/utils/quant_levels.c \
+    $$PWD/libwebp/src/utils/quant_levels_dec.c \
+    $$PWD/libwebp/src/utils/random.c \
+    $$PWD/libwebp/src/utils/rescaler.c \
+    $$PWD/libwebp/src/utils/thread.c \
+    $$PWD/libwebp/src/utils/utils.c

src/3rdparty/libwebp/config.h

+/*
+  Configuration defines for Qt.
+*/
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+/* #undef HAVE_DLFCN_H */
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+/* #undef HAVE_INTTYPES_H */
+
+/* Define to 1 if you have the <memory.h> header file. */
+/* #undef HAVE_MEMORY_H */
+
+/* Define if you have POSIX threads libraries and header files. */
+/* #undef HAVE_PTHREAD */
+
+/* Have PTHREAD_PRIO_INHERIT. */
+/* #undef HAVE_PTHREAD_PRIO_INHERIT */
+
+/* Define to 1 if you have the <shlwapi.h> header file. */
+/* #undef HAVE_SHLWAPI_H */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+/* #undef HAVE_STDINT_H */
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+/* #undef HAVE_STDLIB_H */
+
+/* Define to 1 if you have the <strings.h> header file. */
+/* #undef HAVE_STRINGS_H */
+
+/* Define to 1 if you have the <string.h> header file. */
+/* #undef HAVE_STRING_H */
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+/* #undef HAVE_SYS_STAT_H */
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+/* #undef HAVE_SYS_TYPES_H */
+
+/* Define to 1 if you have the <unistd.h> header file. */
+/* #undef HAVE_UNISTD_H */
+
+/* Define to 1 if you have the <wincodec.h> header file. */
+/* #undef HAVE_WINCODEC_H */
+
+/* Define to 1 if you have the <windows.h> header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+/* #undef LT_OBJDIR ".libs/" */
+
+/* Define to 1 if your C compiler doesn't accept -c and -o together. */
+/* #undef NO_MINUS_C_MINUS_O */
+
+/* Name of package */
+#define PACKAGE "libwebp"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "http://code.google.com/p/webp/issues"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "libwebp"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "libwebp 0.4.0"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "libwebp"
+
+/* Define to the home page for this package. */
+#define PACKAGE_URL "http://developers.google.com/speed/webp"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "0.4.0"
+
+/* Define to necessary symbol if this constant uses a non-standard name on
+   your system. */
+/* #undef PTHREAD_CREATE_JOINABLE */
+
+/* Define to 1 if you have the ANSI C header files. */
+/* #undef STDC_HEADERS */
+
+/* Version number of package */
+#define VERSION "0.4.0"
+
+/* Enable experimental code */
+/* #undef WEBP_EXPERIMENTAL_FEATURES */
+
+/* Set to 1 if JPEG library is installed */
+/* #undef WEBP_HAVE_JPEG */
+
+/* Set to 1 if PNG library is installed */
+/* #undef WEBP_HAVE_PNG 1 */
+
+/* Set to 1 if TIFF library is installed */
+/* #undef WEBP_HAVE_TIFF 1 */
+
+/* Undefine this to disable thread support. */
+#define WEBP_USE_THREAD 1