Add FLIF library

.gitmodules

@@ -61,3 +61,6 @@
 [submodule "libretro/cores/dinothawr/core"]
 	path = libretro/cores/dinothawr/core
 	url = https://github.com/libretro/Dinothawr
+[submodule "lib/FLIF/upstream"]
+	path = lib/FLIF/upstream
+	url = https://github.com:FLIF-hub/FLIF

lib/FLIF/Tupfile

@@ -0,0 +1,45 @@
+include_rules
+
+CXX = `pkg-config genode-base --variable cxx`
+LD = `pkg-config genode-base --variable ld`
+
+PKG_CONFIGS = genode-lib stdcxx libm
+
+# See upstream/src/CMakeLists.txt
+FLIF_SRC_DIR = upstream/src
+FILES_CPP = \
+	$(FLIF_SRC_DIR)/image/crc32k.cpp \
+	$(FLIF_SRC_DIR)/image/image-metadata.cpp \
+	$(FLIF_SRC_DIR)/image/image-pam.cpp \
+	$(FLIF_SRC_DIR)/image/image-png.cpp \
+	$(FLIF_SRC_DIR)/image/image-pnm.cpp \
+	$(FLIF_SRC_DIR)/image/image-rggb.cpp \
+	$(FLIF_SRC_DIR)/image/image.cpp \
+	$(FLIF_SRC_DIR)/maniac/bit.cpp \
+	$(FLIF_SRC_DIR)/maniac/chance.cpp \
+	$(FLIF_SRC_DIR)/maniac/symbol.cpp \
+	$(FLIF_SRC_DIR)/transform/factory.cpp \
+	$(FLIF_SRC_DIR)/io.cpp \
+	$(FLIF_SRC_DIR)/common.cpp \
+	$(FLIF_SRC_DIR)/flif-enc.cpp \
+	$(FLIF_SRC_DIR)/library/flif-interface.cpp \
+
+CXXFLAGS += -std=gnu++11
+CXXFLAGS += -DLODEPNG_NO_COMPILE_PNG -DLODEPNG_NO_COMPILE_DISK
+CXXFLAGS += -DNDEBUG -O2 -ftree-vectorize -Wall
+CXXFLAGS += -DINT16_MAX=0x7fff
+
+CXXFLAGS += `pkg-config --cflags $(PKG_CONFIGS) png zlib`
+
+LDFLAGS += `pkg-config --libs $(PKG_CONFIGS)`
+
+: foreach $(FILES_CPP) |> ^ CXX %f^ $(CXX) -c %f -o %o $(CXXFLAGS) |> %b.o {objects}
+
+: {objects} |> ^ LD %o^ $(LD) %f -o %o $(LDFLAGS) |> flif.lib.so
+
+: flif.lib.so |> strip -o %o %f |> $(DEPOT_DIR)/bin/x86_64/%d/@(DEPOT_VERSION)/%b {binary}
+
+ifdef DEPOT_KEY
+: {binary}  |> !depot_bin_tarball |> {tarballs}
+: foreach {tarballs} |> !public_signature |>
+endif

lib/FLIF/symbols

@@ -0,0 +1,81 @@
+flif_abort_decoder T
+flif_create_decoder T
+flif_create_encoder T
+flif_create_image_GRAY16 T
+flif_create_image_GRAY T
+flif_create_image_HDR T
+flif_create_image_PALETTE T
+flif_create_image_RGB T
+flif_create_image T
+flif_decoder_decode_filepointer T
+flif_decoder_decode_file T
+flif_decoder_decode_memory T
+flif_decoder_generate_preview T
+flif_decoder_get_image T
+flif_decoder_num_images T
+flif_decoder_num_loops T
+flif_decoder_set_callback T
+flif_decoder_set_crc_check T
+flif_decoder_set_first_callback_quality T
+flif_decoder_set_fit T
+flif_decoder_set_quality T
+flif_decoder_set_resize T
+flif_decoder_set_scale T
+flif_destroy_decoder T
+flif_destroy_encoder T
+flif_destroy_image T
+flif_destroy_info T
+flif_encoder_add_image_move T
+flif_encoder_add_image T
+flif_encoder_encode_file T
+flif_encoder_encode_memory T
+flif_encoder_set_alpha_zero_lossless T
+flif_encoder_set_auto_color_buckets T
+flif_encoder_set_chance_alpha T
+flif_encoder_set_chance_cutoff T
+flif_encoder_set_channel_compact T
+flif_encoder_set_crc_check T
+flif_encoder_set_divisor T
+flif_encoder_set_frame_shape T
+flif_encoder_set_interlaced T
+flif_encoder_set_learn_repeat T
+flif_encoder_set_lookback T
+flif_encoder_set_lossy T
+flif_encoder_set_min_size T
+flif_encoder_set_palette_size T
+flif_encoder_set_split_threshold T
+flif_encoder_set_ycocg T
+flif_free_memory T
+flif_image_free_metadata T
+flif_image_get_depth T
+flif_image_get_frame_delay T
+flif_image_get_height T
+flif_image_get_metadata T
+flif_image_get_nb_channels T
+flif_image_get_palette_size T
+flif_image_get_palette T
+flif_image_get_width T
+flif_image_read_row_GRAY16 T
+flif_image_read_row_GRAY8 T
+flif_image_read_row_PALETTE8 T
+flif_image_read_row_RGBA16 T
+flif_image_read_row_RGBA8 T
+flif_image_set_frame_delay T
+flif_image_set_metadata T
+flif_image_set_palette T
+flif_image_write_row_GRAY16 T
+flif_image_write_row_GRAY8 T
+flif_image_write_row_PALETTE8 T
+flif_image_write_row_RGBA16 T
+flif_image_write_row_RGBA8 T
+flif_import_image_GRAY16 T
+flif_import_image_GRAY T
+flif_import_image_PALETTE T
+flif_import_image_RGBA T
+flif_import_image_RGB T
+flif_info_get_depth T
+flif_info_get_height T
+flif_info_get_nb_channels T
+flif_info_get_width T
+flif_info_num_images T
+flif_read_info_from_memory T

lib/FLIF/upstream

@@ -0,0 +1 @@
+Subproject commit 74ea92bf1ab2db18ae6d2a521dff946fcc679618