mirror of
https://github.com/googlefonts/noto-emoji.git
synced 2025-06-07 23:37:58 +00:00
3a57df2ac6
This adds some additional flags to the default set. In addition, it contains code that creates ligatures for some flag sequences to others, for a few cases where we want different regions to share the same flag. Finally, it adds default ligatures so that pairs of regional indicator characters for which there's no predefined glyph get a 'missing flag' glyph. This avoids cases where sequences of regional indicator sequences accidentally match at odd locations because of a previous mismatch. There is no actual 'missing flag' glyph yet. The code uses an existing emoji as a placeholder.
215 lines
6.4 KiB
Makefile
215 lines
6.4 KiB
Makefile
# Copyright 2014 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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EMOJI = NotoColorEmoji
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font: $(EMOJI).ttf
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CFLAGS = -std=c99 -Wall -Wextra `pkg-config --cflags --libs cairo`
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LDFLAGS = `pkg-config --libs cairo`
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PNGQUANTDIR := third_party/pngquant
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PNGQUANT := $(PNGQUANTDIR)/pngquant
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PNGQUANTFLAGS = --speed 1 --skip-if-larger --force
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# zopflipng is better (about 5-10%) but much slower. it will be used if
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# present. pass ZOPFLIPNG= as an arg to make to use optipng instead.
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ZOPFLIPNG = zopflipng
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OPTIPNG = optipng
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EMOJI_BUILDER = third_party/color_emoji/emoji_builder.py
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ADD_GLYPHS = third_party/color_emoji/add_glyphs.py
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PUA_ADDER = map_pua_emoji.py
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VS_ADDER = add_vs_cmap.py # from nototools
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EMOJI_SRC_DIR := png/128
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FLAGS_SRC_DIR := third_party/region-flags/png
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BUILD_DIR := build
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EMOJI_DIR := $(BUILD_DIR)/emoji
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FLAGS_DIR := $(BUILD_DIR)/flags
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RESIZED_FLAGS_DIR := $(BUILD_DIR)/resized_flags
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RENAMED_FLAGS_DIR := $(BUILD_DIR)/renamed_flags
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QUANTIZED_DIR := $(BUILD_DIR)/quantized_pngs
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COMPRESSED_DIR := $(BUILD_DIR)/compressed_pngs
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LIMITED_FLAGS = CN DE ES FR GB IT JP KR RU US
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SELECTED_FLAGS = AC AD AE AF AG AI AL AM AO AQ AR AS AT AU AW AX AZ \
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BA BB BD BE BF BG BH BI BJ BM BN BO BR BS BT BW BY BZ \
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CA CC CD CF CG CH CI CK CL CM CN CO CR CU CV CW CX CY CZ \
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DE DJ DK DM DO DZ \
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EC EE EG ER ES ET EU \
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FI FJ FM FO FR \
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GA GB GD GE GG GH GI GL GM GN GQ GR GT GU GW GY \
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HK HN HR HT HU \
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IC ID IE IL IM IN IO IQ IR IS IT \
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JE JM JO JP \
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KE KG KH KI KM KN KP KR KW KY KZ \
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LA LB LC LI LK LR LS LT LU LV LY \
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MA MC MD ME MG MH MK ML MM MN MO MP MR MS MT MU MV MW MX MY MZ \
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NA NE NF NG NI NL NO NP NR NU NZ \
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OM \
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PA PE PF PG PH PK PL PN PR PS PT PW PY \
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QA \
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RO RS RU RW \
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SA SB SC SD SE SG SH SI SK SL SM SN SO SR SS ST SV SX SY SZ \
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TA TC TD TG TH TJ TK TL TM TN TO TR TT TV TW TZ \
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UA UG US UY UZ \
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VA VC VE VG VI VN VU \
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WS \
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YE \
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ZA ZM ZW
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ALL_FLAGS = $(basename $(notdir $(wildcard $(FLAGS_SRC_DIR)/*.png)))
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FLAGS = $(SELECTED_FLAGS)
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FLAG_NAMES = $(FLAGS:%=%.png)
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FLAG_FILES = $(addprefix $(FLAGS_DIR)/, $(FLAG_NAMES))
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RESIZED_FLAG_FILES = $(addprefix $(RESIZED_FLAGS_DIR)/, $(FLAG_NAMES))
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FLAG_GLYPH_NAMES = $(shell ./flag_glyph_name.py $(FLAGS))
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RENAMED_FLAG_NAMES = $(FLAG_GLYPH_NAMES:%=emoji_%.png)
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RENAMED_FLAG_FILES = $(addprefix $(RENAMED_FLAGS_DIR)/, $(RENAMED_FLAG_NAMES))
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EMOJI_NAMES = $(notdir $(wildcard $(EMOJI_SRC_DIR)/emoji_u*.png))
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EMOJI_FILES= $(addprefix $(EMOJI_DIR)/,$(EMOJI_NAMES)))
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ALL_NAMES = $(EMOJI_NAMES) $(RENAMED_FLAG_NAMES)
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ALL_QUANTIZED_FILES = $(addprefix $(QUANTIZED_DIR)/, $(ALL_NAMES))
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ALL_COMPRESSED_FILES = $(addprefix $(COMPRESSED_DIR)/, $(ALL_NAMES))
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# tool checks
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ifeq (,$(shell which $(ZOPFLIPNG)))
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ifeq (,$(wildcard $(ZOPFLIPNG)))
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MISSING_ZOPFLI = fail
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endif
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endif
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ifeq (,$(shell which $(OPTIPNG)))
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ifeq (,$(wildcard $(OPTIPNG)))
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MISSING_OPTIPNG = fail
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endif
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endif
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ifeq (, $(shell which $(VS_ADDER)))
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MISSING_ADDER = fail
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endif
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emoji: $(EMOJI_FILES)
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flags: $(FLAG_FILES)
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resized_flags: $(RESIZED_FLAG_FILES)
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renamed_flags: $(RENAMED_FLAG_FILES)
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quantized: $(ALL_QUANTIZED_FILES)
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compressed: $(ALL_COMPRESSED_FILES)
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check_compress_tool:
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ifdef MISSING_ZOPFLI
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ifdef MISSING_OPTIPNG
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$(error "neither $(ZOPFLIPNG) nor $(OPTIPNG) is available")
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else
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@echo "using $(OPTIPNG)"
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endif
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else
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@echo "using $(ZOPFLIPNG)"
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endif
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check_vs_adder:
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ifdef MISSING_ADDER
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$(error "$(VS_ADDER) not in path, run setup.py in nototools")
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endif
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$(EMOJI_DIR) $(FLAGS_DIR) $(RESIZED_FLAGS_DIR) $(RENAMED_FLAGS_DIR) $(QUANTIZED_DIR) $(COMPRESSED_DIR):
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mkdir -p "$@"
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$(PNGQUANT):
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$(MAKE) -C $(PNGQUANTDIR)
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waveflag: waveflag.c
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$(CC) $< -o $@ $(CFLAGS) $(LDFLAGS)
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$(EMOJI_DIR)/%.png: $(EMOJI_SRC_DIR)/%.png | $(EMOJI_DIR)
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@echo "emoji $< $@"
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@convert -extent 136x128 -gravity center -background none "$<" "$@"
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$(FLAGS_DIR)/%.png: $(FLAGS_SRC_DIR)/%.png ./waveflag $(PNGQUANT) | $(FLAGS_DIR)
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@./waveflag "$<" "$@"
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$(RESIZED_FLAGS_DIR)/%.png: $(FLAGS_DIR)/%.png | $(RESIZED_FLAGS_DIR)
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@convert -extent 136x128 -gravity center -background none "$<" "$@"
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flag-symlinks: $(RESIZED_FLAG_FILES) | $(RENAMED_FLAGS_DIR)
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@$(subst ^, , \
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$(join \
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$(FLAGS:%=ln^-fs^../resized_flags/%.png^), \
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$(RENAMED_FLAG_FILES:%=%; ) \
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) \
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)
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$(RENAMED_FLAG_FILES): | flag-symlinks
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$(QUANTIZED_DIR)/%.png: $(RENAMED_FLAGS_DIR)/%.png $(PNGQUANT) | $(QUANTIZED_DIR)
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$(PNGQUANT) $(PNGQUANTFLAGS) -o "$@" "$<"
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$(QUANTIZED_DIR)/%.png: $(EMOJI_DIR)/%.png $(PNGQUANT) | $(QUANTIZED_DIR)
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$(PNGQUANT) $(PNGQUANTFLAGS) -o "$@" "$<"
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$(COMPRESSED_DIR)/%.png: $(QUANTIZED_DIR)/%.png | check_compress_tool $(COMPRESSED_DIR)
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ifdef MISSING_ZOPFLI
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$(OPTIPNG) -quiet -o7 -clobber -force -out "$@" "$<"
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else
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$(ZOPFLIPNG) -y "$<" "$@" 1> /dev/null 2>&1
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endif
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# Make 3.81 can endless loop here if the target is missing but no
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# prerequisite is updated and make has been invoked with -j, e.g.:
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# File `font' does not exist.
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# File `NotoColorEmoji.tmpl.ttx' does not exist.
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# File `font' does not exist.
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# File `NotoColorEmoji.tmpl.ttx' does not exist.
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# ...
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# Run make without -j if this happens.
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%.ttx: %.ttx.tmpl $(ADD_GLYPHS) $(ALL_COMPRESSED_FILES)
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@python $(ADD_GLYPHS) "$<" "$@" "$(COMPRESSED_DIR)/emoji_u"
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%.ttf: %.ttx
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@rm -f "$@"
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ttx "$<"
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$(EMOJI).ttf: $(EMOJI).tmpl.ttf $(EMOJI_BUILDER) $(PUA_ADDER) \
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$(ALL_COMPRESSED_FILES) | check_vs_adder
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@python $(EMOJI_BUILDER) -V $< "$@" "$(COMPRESSED_DIR)/emoji_u"
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@python $(PUA_ADDER) "$@" "$@-with-pua"
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$(VS_ADDER) --dstdir '.' -o "$@-with-pua-varsel" "$@-with-pua"
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mv "$@-with-pua-varsel" "$@"
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rm "$@-with-pua"
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clean:
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rm -f $(EMOJI).ttf $(EMOJI).tmpl.ttf $(EMOJI).tmpl.ttx
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rm -f waveflag
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rm -rf $(BUILD_DIR)
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.SECONDARY: $(EMOJI_FILES) $(FLAG_FILES) $(RESIZED_FLAG_FILES) $(RENAMED_FLAG_FILES) \
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$(ALL_QUANTIZED_FILES) $(ALL_COMPRESSED_FILES)
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.PHONY: clean flags emoji renamed_flags quantized compressed check_compress_tool
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