241 lines
7.5 KiB
Makefile
241 lines
7.5 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 = -lm `pkg-config --libs cairo`
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PNGQUANT = pngquant
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PYTHON = python3
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PNGQUANTFLAGS = --speed 1 --skip-if-larger --quality 85-95 --force
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BODY_DIMENSIONS = 136x128
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IMOPS := -size $(BODY_DIMENSIONS) canvas:none -compose copy -gravity center
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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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# flag for emoji builder. Default to legacy small metrics for the time being.
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SMALL_METRICS := -S
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ADD_GLYPHS = add_glyphs.py
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ADD_GLYPHS_FLAGS = -a emoji_aliases.txt
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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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SEQUENCE_CHECK_PY = check_emoji_sequences.py
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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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# Unknown flag is PUA fe82b
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# Note, we omit some flags below that we support via aliasing instead.
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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 BL BM BN BO BQ 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 EH ER ES ET EU \
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FI FJ FK FM FO FR \
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GA GB GD GE GF GG GH GI GL GM GN GP GQ GR GS 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 MQ MR MS MT MU MV MW MX MY MZ \
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NA NC 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 PM PN PR PS PT PW PY \
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QA \
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RE 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 TF TG TH TJ TK TL TM TN TO TR TT TV TW TZ \
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UA UG UN US UY UZ \
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VA VC VE VG VI VN VU \
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WF WS \
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XK \
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YE YT \
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ZA ZM ZW \
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GB-ENG GB-SCT GB-WLS
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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 $(PYTHON) 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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waveflag: waveflag.c
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$(CC) $< -o $@ $(CFLAGS) $(LDFLAGS)
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# imagemagick's -extent operator munges the grayscale images in such a fashion
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# that while it can display them correctly using libpng12, chrome and gimp using
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# both libpng12 and libpng16 display the wrong gray levels.
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#
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# @convert "$<" -gravity center -background none -extent 136x128 "$@"
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#
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# We can get around the conversion to a gray colorspace in the version of
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# imagemagick packaged with ubuntu trusty (6.7.7-10) by using -composite.
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$(EMOJI_DIR)/%.png: $(EMOJI_SRC_DIR)/%.png | $(EMOJI_DIR)
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@convert $(IMOPS) "$<" -composite "PNG32:$@"
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$(FLAGS_DIR)/%.png: $(FLAGS_SRC_DIR)/%.png ./waveflag | $(FLAGS_DIR)
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@./waveflag $(FLAGS_DIR)/ "$<"
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$(RESIZED_FLAGS_DIR)/%.png: $(FLAGS_DIR)/%.png | $(RESIZED_FLAGS_DIR)
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@convert $(IMOPS) "$<" -composite "PNG32:$@"
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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 | $(QUANTIZED_DIR)
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@($(PNGQUANT) $(PNGQUANTFLAGS) -o "$@" "$<"; case "$$?" in "98"|"99") echo "reuse $<"; cp $< $@;; *) exit "$$?";; esac)
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$(QUANTIZED_DIR)/%.png: $(EMOJI_DIR)/%.png | $(QUANTIZED_DIR)
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@($(PNGQUANT) $(PNGQUANTFLAGS) -o "$@" "$<"; case "$$?" in "98"|"99") echo "reuse $<";cp $< $@;; *) exit "$$?";; esac)
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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) $(ADD_GLYPHS) -f "$<" -o "$@" -d "$(COMPRESSED_DIR)" $(ADD_GLYPHS_FLAGS)
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%.ttf: %.ttx
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@rm -f "$@"
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ttx "$<"
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$(EMOJI).ttf: check_sequence $(EMOJI).tmpl.ttf $(EMOJI_BUILDER) $(PUA_ADDER) \
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$(ALL_COMPRESSED_FILES) | check_vs_adder
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@$(PYTHON) $(EMOJI_BUILDER) $(SMALL_METRICS) -V $< "$@" "$(COMPRESSED_DIR)/emoji_u"
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@$(PYTHON) $(PUA_ADDER) "$@" "$@-with-pua"
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@$(VS_ADDER) -vs 2640 2642 2695 --dstdir '.' -o "$@-with-pua-varsel" "$@-with-pua"
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@mv "$@-with-pua-varsel" "$@"
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@rm "$@-with-pua"
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check_sequence:
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ifdef CHECK_SEQUENCE
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$(PYTHON) $(SEQUENCE_CHECK_PY) -d $(EMOJI_SRC_DIR) -c
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endif
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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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