Upgrade to rebar3

Signed-off-by: Marc Paradise <marc@chef.io>

.gitignore

@@ -1,3 +1,5 @@
 priv/
 c_src/*.o
 ebin/
+_build/
+.rebar

Makefile

@@ -1,10 +1,16 @@
-all:
-	@./rebar compile
+all: compile dialyzer
+
+compile:
+	@./rebar3 compile
+
+dialyzer:
+	@./rebar3 dialyzer
 
 clean:
-	@./rebar clean
-	$(if $(wildcard ebin/), rmdir ebin/)
-	$(if $(wildcard priv/), rmdir priv/)
+	@./rebar3 clean
+	$(if $(wildcard _build/), rm -rf _build/)
+	$(if $(wildcard ebin/), rm -rf ebin/)
+	$(if $(wildcard priv/), rm -rf priv/)
 
-run: all
+run: compile
 	@./run.escript

c_src/Makefile

@@ -0,0 +1,74 @@
+# Based on c_src.mk from erlang.mk by Loic Hoguin <essen@ninenines.eu>
+
+CURDIR := $(shell pwd)
+BASEDIR := $(abspath $(CURDIR)/..)
+
+PROJECT ?= $(notdir $(BASEDIR))
+PROJECT := $(strip $(PROJECT))
+
+ERTS_INCLUDE_DIR ?= $(shell erl -noshell -s init stop -eval "io:format(\"~s/erts-~s/include/\", [code:root_dir(), erlang:system_info(version)]).")
+ERL_INTERFACE_INCLUDE_DIR ?= $(shell erl -noshell -s init stop -eval "io:format(\"~s\", [code:lib_dir(erl_interface, include)]).")
+ERL_INTERFACE_LIB_DIR ?= $(shell erl -noshell -s init stop -eval "io:format(\"~s\", [code:lib_dir(erl_interface, lib)]).")
+
+C_SRC_DIR = $(CURDIR)
+C_SRC_OUTPUT ?= $(CURDIR)/../priv/$(PROJECT).so
+
+# System type and C compiler/flags.
+
+UNAME_SYS := $(shell uname -s)
+ifeq ($(UNAME_SYS), Darwin)
+	CC ?= cc
+	CFLAGS ?= -O3 -std=c99 -arch x86_64 -finline-functions -Wall -Wmissing-prototypes
+	CXXFLAGS ?= -O3 -arch x86_64 -finline-functions -Wall
+	LDFLAGS ?= -arch x86_64 -flat_namespace -undefined suppress
+else ifeq ($(UNAME_SYS), FreeBSD)
+	CC ?= cc
+	CFLAGS ?= -O3 -std=c99 -finline-functions -Wall -Wmissing-prototypes
+	CXXFLAGS ?= -O3 -finline-functions -Wall
+else ifeq ($(UNAME_SYS), Linux)
+	CC ?= gcc
+	CFLAGS ?= -O3 -std=c99 -finline-functions -Wall -Wmissing-prototypes
+	CXXFLAGS ?= -O3 -finline-functions -Wall
+endif
+
+CFLAGS += -fPIC -I $(ERTS_INCLUDE_DIR) -I $(ERL_INTERFACE_INCLUDE_DIR)
+CXXFLAGS += -fPIC -I $(ERTS_INCLUDE_DIR) -I $(ERL_INTERFACE_INCLUDE_DIR)
+
+LDLIBS += -L $(ERL_INTERFACE_LIB_DIR) -lerl_interface -lei -lncurses
+LDFLAGS += -shared
+
+# Verbosity.
+
+c_verbose_0 = @echo " C     " $(?F);
+c_verbose = $(c_verbose_$(V))
+
+cpp_verbose_0 = @echo " CPP   " $(?F);
+cpp_verbose = $(cpp_verbose_$(V))
+
+link_verbose_0 = @echo " LD    " $(@F);
+link_verbose = $(link_verbose_$(V))
+
+SOURCES := $(shell find $(C_SRC_DIR) -type f \( -name "*.c" -o -name "*.C" -o -name "*.cc" -o -name "*.cpp" \))
+OBJECTS = $(addsuffix .o, $(basename $(SOURCES)))
+
+COMPILE_C = $(c_verbose) $(CC) $(CFLAGS) $(CPPFLAGS) -c
+COMPILE_CPP = $(cpp_verbose) $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c
+
+$(C_SRC_OUTPUT): $(OBJECTS)
+	@mkdir -p $(BASEDIR)/priv/
+	$(link_verbose) $(CC) $(OBJECTS) $(LDFLAGS) $(LDLIBS) -o $(C_SRC_OUTPUT)
+
+%.o: %.c
+	$(COMPILE_C) $(OUTPUT_OPTION) $<
+
+%.o: %.cc
+	$(COMPILE_CPP) $(OUTPUT_OPTION) $<
+
+%.o: %.C
+	$(COMPILE_CPP) $(OUTPUT_OPTION) $<
+
+%.o: %.cpp
+	$(COMPILE_CPP) $(OUTPUT_OPTION) $<
+
+clean:
+	@rm -f $(C_SRC_OUTPUT) $(OBJECTS)

rebar.config

@@ -1,7 +1,11 @@
+
 {erl_opts, [debug_info]}.
+{deps, []}.
 
-{port_env, [{"LDFLAGS", "$LDFLAGS -lncurses"}]}.
+{pre_hooks,
+  [{"(linux|darwin|solaris)", compile, "make -C c_src"},
+   {"(freebsd)", compile, "make -C c_src"}]}.
+{post_hooks,
+  [{"(linux|darwin|solaris)", clean, "make -C c_src clean"},
+   {"(freebsd)", clean, "make -C c_src clean"}]}.
 
-{port_specs, [
-    {"priv/encurses.so", ["c_src/encurses.c"]}
-]}.

rebar.lock

@@ -0,0 +1 @@
+[].

run.escript

@@ -1,4 +1,4 @@
 #!/usr/bin/env escript
-%%! -noinput -pa ./ebin +A 10
+%%! -noinput -pa ./ebin -pa _build/default/lib/encurses/ebin +A 10
 -include_lib("include/encurses.hrl").
 main(_) -> encurses_demo:go().