make-java

commit 52ddce1682ef459e250a50d12508455235c69ca0
Author: Bharatvaj Hemanth <bharatvaj@yahoo.com>
Date:   Sat, 13 Apr 2024 14:45:51 +0000

Brave New World

Diffstat:
A
.gitignore
 | 
1
+
A
COPYING
 | 
6
++++++
A
Makefile.sample
 | 
18
++++++++++++++++++
A
README
 | 
4
++++
A
config.mk
 | 
83
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

5 files changed, 112 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+out/
diff --git a/COPYING b/COPYING
@@ -0,0 +1,6 @@
+nb is in the public domain.
+
+To the extent possible under law, Bharatvaj Hemanth <bharatvaj@getsh.org>
+has waived all copyright and related or neighboring rights to this work.
+
+http://creativecommons.org/publicdomain/zero/1.0/
diff --git a/Makefile.sample b/Makefile.sample
@@ -0,0 +1,18 @@
+.PHONY: build deps test deploy setup
+
+VERSION = 0.1.0
+SRC ?= $(wildcard src/*.scala)
+DEST ?= .bin
+MAIN ?= Main
+PROGRAM := myjavaproject
+
+DEPS += com/android/org.osgi/osgi.core\:3.2.0
+
+.DEFAULT_GOAL := all
+
+include config.mk
+
+all: $(BIN_DIR)/$(PROGRAM).jar
+
+clean:
+	$(RMDIR) $(BIN_DIR)/
diff --git a/README b/README
@@ -0,0 +1,4 @@
+make-java
+=========
+
+An attempt to build maven projects using plain GNUmakefile
diff --git a/config.mk b/config.mk
@@ -0,0 +1,83 @@
+JAVAC ?= javac
+SCALAC ?= scalac
+JAR ?= jar
+
+JAVA ?= java
+SCALA ?= scala
+
+TARGET_MAIN = myjavaprogram.Main
+
+# Repos
+MAVEN = https://repo1.maven.org/maven2
+
+JVM_TARGET_VESRION ?= 1.8
+LIB_DIR ?= out/lib
+BIN_DIR ?= out/bin
+
+ifeq ($(OS),Windows_NT)
+	RM = del /s /q
+	# TODO check whether it's working
+	RMDIR = rmdir /s /q
+	MKDIR = mkdir
+else
+	RM = rm -rf
+	RMDIR = rm -rf
+	MKDIR = mkdir -p
+endif
+DOWNLOAD = curl -fLs
+FINAL_PROGRAM = $(PROGRAM)-$(VERSION)
+
+empty:=
+space := $(empty) $(empty)
+$(space) := $(space)
+
+LIBS = $(wildcard $(LIB_DIR)/*.jar)
+
+JARFILES := $(foreach DEP, $(DEPS), \
+	   $(subst :,-,$(notdir $(DEP).jar)) \
+)
+
+pkgver = $(lastword $(subst :,$(space), $(1)))
+
+pkgname = $(firstword $(subst :, $(space), $(1)))
+
+maven_url = $(MAVEN)/$(call pkgname, $(1))/$(call pkgver, $(1))/$(notdir $(call pkgname, $(1)))-$(call pkgver, $(1)).jar
+
+jarfile = $(notdir $(subst :,-, $(1))).jar
+
+$(LIB_DIR)/%: setup
+	$(info > Downloading '$*' into $(LIB_DIR)/)
+	@$(DOWNLOAD) $(call maven_url, $*) --output "$(LIB_DIR)/$(call jarfile, $*)"
+
+CLASSPATH := $(subst $(space),:,$(wildcard $(LIB_DIR)/*.jar))
+
+deps: $(foreach DEP, $(DEPS), $(LIB_DIR)/$(DEP))
+
+%.class: %.scala
+	$(SCALAC) $< -sourcepath $(SRC) -classpath $(CLASSPATH) -target:jvm-$(JVM_TARGET_VESRION)
+
+DEPLOY_BIN = $(BIN_DIR)/$(FINAL_PROGRAM)
+$(DEPLOY_BIN).jar: $(BIN_DIR)/$(PROGRAM).jar
+	$(info > Building '$(DEPLOY_BIN)')
+	# $(MKDIR) $(BIN_DIR)/classes
+	# $(foreach JARFILES, $(wildcard $(LIB_DIR)/*.jar), \
+	# 	cd $(BIN_DIR)/classes; $(JAR) xvf $(realpath $(JARFILES)) \
+	# )
+	echo "$(SCALA) -classpath "$(CLASSPATH):$(FINAL_PROGRAM).jar" $(TARGET_MAIN) $$*" > $(DEPLOY_BIN)
+	cd $(BIN_DIR)/classes; $(JAR) xvf $(realpath $(BIN_DIR)/$(PROGRAM)).jar
+	cd $(BIN_DIR)/classes && $(JAR) cvf $(realpath $(DEPLOY_BIN)).jar *
+	chmod +x $(DEPLOY_BIN)
+
+
+$(BIN_DIR)/$(PROGRAM).jar: $(SRC)
+	@make setup
+	$(info > Building '$(BIN_DIR)/$(PROGRAM)')
+	@$(SCALAC) -classpath "${CLASSPATH}" $^ -d $@ -target:jvm-$(JVM_TARGET_VESRION)
+	@echo "$(SCALA) -classpath "$(CLASSPATH):$(PROGRAM).jar" $(TARGET_MAIN) $$*" > $(BIN_DIR)/$(PROGRAM)
+	@chmod +x $(BIN_DIR)/$(PROGRAM)
+
+deploy: $(BIN_DIR)/$(PROGRAM)-$(VERSION).jar
+
+setup:
+	@$(MKDIR) $(BIN_DIR)
+	@$(MKDIR) $(LIB_DIR)