Project templates

newproject.sh

#!/bin/bash

usage="Usage: $(basename "$0") <name>"

if [ $# -ne 1 ]; then
	echo $usage
	exit 0
fi

proj=$1

cd

# We assume a top-level directory called projects
tld=projects

if [ ! -d $tld ]; then
	echo "Creating $HOME/$tld"
	mkdir $tld
else
	if [ -d "$tld/$proj" ]; then
		echo "Warning: project \"$proj\" already exists!"
		exit 0
	fi
fi

cd $tld

echo "Creating $HOME/$tld/$proj"
echo "Creating $HOME/$tld/$proj/src"
echo "Creating $HOME/$tld/$proj/include"

mkdir -p "$proj/src" "$proj/include"
mkdir -p "$proj/src/deps"

echo "Creating $HOME/$tld/$proj/Makefile"
echo "Creating $HOME/$tld/$proj/src/Makefile"
echo "Creating $HOME/$tld/$proj/src/main.c"

touch "$proj/Makefile"
touch "$proj/src/Makefile"
touch "$proj/src/main.c"

# top-level makefile
echo -n "\
all clean $proj:
	cd src && \$(MAKE) \$@

.PHONY: all clean
" >> "$proj/Makefile"

# src directory makefile
echo -n "\
include ../../common.mk

PROGS = $proj

SRCS = main.c

${proj}_SRCS = main.c
${proj}_LIBS = 

include ../../rules.mk
include ../../deps.mk
" >> "$proj/src/Makefile"

# main source file
echo -n "\
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
	printf(\"Hello %s!\n\", argv[0]);
	return 0;
}
" >> "$proj/src/main.c"

# Build system requires common.mk, deps.mk, and rules.mk
if [ ! -f common.mk ]; then
	echo "Creating $HOME/$tld/common.mk"
	touch common.mk
	echo -n "\
# Common definitions
CC = gcc
CPPFLAGS += -D_GNU_SOURCE
CFLAGS += -O0 -g -Wall -Wextra \$(INCLUDE)

INCLUDE += -I\$(HOME)/include
INCLUDE += -I../../utest/include
INCLUDE += -I. -I../include

LDFLAGS += -L\$(HOME)/lib
" >> common.mk
fi

if [ ! -f deps.mk ]; then
	echo "Creating $HOME/$tld/deps.mk"
	touch deps.mk
	echo -n "\
# Dependency generation
# Project must define SRCS
DEPS = \$(addprefix deps/,\$(SRCS:.c=.d))

deps/%.d: %.c
	\$(CC) -MM \$(CFLAGS) \$(CPPFLAGS) -o \$@ \$<
	sed -i \"s/\(\$*.o\)/\1 deps\/\$(notdir \$@)/g\" \$@

# Prevent make from generating dependencies when running 'make clean'
ifneq (\$(MAKECMDGOALS),clean)
 -include \$(DEPS)
endif
" >> deps.mk
fi

if [ ! -f rules.mk ]; then
	echo "Creating $HOME/$tld/rules.mk"
	touch rules.mk
	echo -n "\
# Rule generation
# Project must define PROGS, SRCS, and *_SRCS
OBJS = \$(SRCS:.c=.o)

define RULE_template
\$(1): \$\$(\$(subst -,_,\$(1))_SRCS:.c=.o) \$\$(\$(subst -,_,\$(1))_PREREQS)
	\$\$(CC) -o \$\$@ \$\$(filter %.o,\$\$^) \$\$(LDFLAGS) \$\$(IMPORTS) \$\$(\$(subst -,_,\$(1))_LIBS:%=-l%)
endef

# Default clean target
define RULE_clean
clean:
	rm -f \$(1) \$\$(OBJS) \$\$(DEPS) *.a
endef

all: \$(PROGS)

\$(foreach prog,\$(PROGS),\$(eval \$(call RULE_template,\$(prog))))
\$(eval \$(call RULE_clean,\$(PROGS)))

.PHONY: all clean
" >> rules.mk
fi