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# Support functions for building ProGuard with make.
SRC = src
OUT = out
LIB = ../lib
JAVA_TARGET = 1.8
ifeq ($(CLASSPATH),)
CLASSPATH_OPTION =
else
CLASSPATH_OPTION = -classpath $(CLASSPATH)
endif
TARGET_JAR = $(LIB)/$(TARGET).jar
# Command to download dependencies.
DOWNLOAD = wget -O
#DOWNLOAD = curl -L -o
# Functions to find the class files and resource files of a given target.
define CLASS_FILES
$(subst .java,.class,$(shell find $(SRC)/$(dir $(1)) -path "$(SRC)/$(MAIN_CLASS).java" -printf $(OUT)/$(dir $(1))%P\\n))
endef
define RESOURCES
$(shell find $(SRC)/$(dir $(1)) -maxdepth 1 \( -name \*.properties -o -name \*.png -o -name \*.gif -o -name \*.pro \) -printf $(OUT)/$(dir $(1))%P\\n)
endef
# Rules for creating the jars.
all: $(TARGET_JAR)
$(TARGET_JAR): $(call CLASS_FILES,$(MAIN_CLASS)) $(LIB)
ifeq ($(UPDATE_JAR),true)
ifeq ($(INCLUDE_MANIFEST),true)
jar -ufm $@ $(SRC)/META-INF/MANIFEST.MF -C $(OUT) $(dir $(MAIN_CLASS))
else
jar -uf $@ -C $(OUT) $(dir $(MAIN_CLASS))
endif
else
ifeq ($(INCLUDE_MANIFEST),true)
jar -cfm $@ $(SRC)/META-INF/MANIFEST.MF -C $(OUT) $(dir $(MAIN_CLASS))
else
jar -cf $@ -C $(OUT) $(dir $(MAIN_CLASS))
endif
endif
$(TARGET_JAR): $(call RESOURCES,$(MAIN_CLASS))
# Rule for compiling the class files.
$(OUT)/%.class: $(OUT) $(SRC)/%.java $(subst :, ,$(CLASSPATH))
javac -nowarn -Xlint:none $(CLASSPATH_OPTION) -source $(JAVA_TARGET) -target $(JAVA_TARGET) -sourcepath $(SRC) -d $(OUT) $(filter %.java,$^) 2>&1 | sed -e 's|^| |'
# Rule for copying the resource files.
$(OUT)/%.properties $(OUT)/%.png $(OUT)/%.gif $(OUT)/%.pro:
cp $(subst $(OUT),$(SRC),$@) $@
# Rule for creating output directories.
$(OUT) $(LIB):
mkdir -p $@
# Rule for dependencies on other modules.
../%/$(OUT):
cd $(dir $@) && $(MAKE)
clean:
rm -fr $(OUT)
.PHONY: all clean
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