Spin-off erlang.mk as a separate project

2 files changed, 139 insertions, 96 deletions

diff --git a/Makefile b/Makefile
index 97fb8ff..dfdd851 100644
--- a/Makefile
+++ b/Makefile
@@ -1,112 +1,26 @@
 # See LICENSE for licensing information.
 
 PROJECT = cowboy
-ERLC_OPTS ?= -Werror +debug_info +warn_export_all +warn_export_vars \
-   +warn_shadow_vars +warn_obsolete_guard # +bin_opt_info +warn_missing_spec
 
-# Dependencies.
-
-dep_ranch = https://github.com/extend/ranch.git 0.8.1
-
-DEPS_DIR ?= $(CURDIR)/deps
-export DEPS_DIR
-
-define get_dep =
-	@mkdir -p $(DEPS_DIR)
-	git clone -n -- $(word 1,$(dep_$(1))) $(DEPS_DIR)/$(1)
-	cd $(DEPS_DIR)/$(1) ; git checkout -q $(word 2,$(dep_$(1)))
-endef
-
-# Makefile tweaks.
-
-V ?= 0
-
-appsrc_verbose_0 = @echo " APP   " $(PROJECT).app.src;
-appsrc_verbose = $(appsrc_verbose_$(V))
-
-erlc_verbose_0 = @echo " ERLC  " $(?F);
-erlc_verbose = $(erlc_verbose_$(V))
-
-gen_verbose_0 = @echo " GEN   " $@;
-gen_verbose = $(gen_verbose_$(V))
-
-.PHONY: all clean-all app clean deps clean-deps docs clean-docs \
-	build-tests tests autobahn build-plt dialyze
-
-# Application.
-
-all: deps app
-
-clean-all: clean clean-deps clean-docs
-	$(gen_verbose) rm -rf .$(PROJECT).plt $(DEPS_DIR) logs
+# Options.
 
-MODULES = $(shell ls src/*.erl | sed 's/src\///;s/\.erl/,/' | sed '$$s/.$$//')
-
-app: ebin/$(PROJECT).app
-	$(appsrc_verbose) cat src/$(PROJECT).app.src \
-		| sed 's/{modules, \[\]}/{modules, \[$(MODULES)\]}/' \
-		> ebin/$(PROJECT).app
-
-COMPILE_FIRST = src/cowboy_middleware.erl src/cowboy_sub_protocol.erl
-
-ebin/$(PROJECT).app: src/*.erl
-	@mkdir -p ebin/
-	$(erlc_verbose) erlc -v $(ERLC_OPTS) -o ebin/ -pa ebin/ \
-		$(COMPILE_FIRST) $?
-
-clean:
-	$(gen_verbose) rm -rf ebin/ test/*.beam erl_crash.dump
+COMPILE_FIRST = cowboy_middleware cowboy_sub_protocol
+CT_SUITES = eunit http ws
+PLT_APPS = crypto public_key ssl
 
 # Dependencies.
 
-$(DEPS_DIR)/ranch:
-	$(call get_dep,ranch)
-
-deps: $(DEPS_DIR)/ranch
-	@$(MAKE) -C $(DEPS_DIR)/ranch
-
-clean-deps:
-	-@$(MAKE) -C $(DEPS_DIR)/ranch clean
-
-# Documentation.
-
-docs: clean-docs
-	$(gen_verbose) erl -noshell \
-		-eval 'edoc:application($(PROJECT), ".", []), init:stop().'
-
-clean-docs:
-	$(gen_verbose) rm -f doc/*.css doc/*.html doc/*.png doc/edoc-info
+DEPS = ranch
+dep_ranch = https://github.com/extend/ranch.git 0.8.1
 
-# Tests.
+# Standard targets.
 
-build-tests:
-	$(gen_verbose) erlc -v $(ERLC_OPTS) \
-		-o test/ test/*.erl test/*/*.erl -pa ebin/
+include erlang.mk
 
-CT_RUN = ct_run \
-	-no_auto_compile \
-	-noshell \
-	-pa ebin $(DEPS_DIR)/*/ebin \
-	-dir test \
-	-logdir logs
-#	-cover test/cover.spec
+# Extra targets.
 
-tests: ERLC_OPTS += -DTEST=1  +'{parse_transform, eunit_autoexport}'
-tests: clean clean-deps deps app build-tests
-	@mkdir -p logs/
-	@$(CT_RUN) -suite eunit_SUITE http_SUITE ws_SUITE
-	$(gen_verbose) rm -f test/*.beam
+.PHONY: autobahn
 
 autobahn: clean clean-deps deps app build-tests
 	@mkdir -p logs/
 	@$(CT_RUN) -suite autobahn_SUITE
-
-# Dialyzer.
-
-build-plt: deps app
-	@dialyzer --build_plt --output_plt .$(PROJECT).plt \
-		--apps erts kernel stdlib crypto public_key ssl $(DEPS_DIR)/ranch
-
-dialyze:
-	@dialyzer --src src --plt .$(PROJECT).plt --no_native \
-		-Werror_handling -Wrace_conditions -Wunmatched_returns # -Wunderspecs
diff --git a/erlang.mk b/erlang.mk
new file mode 100644
index 0000000..50e2530
--- /dev/null
+++ b/erlang.mk
@@ -0,0 +1,129 @@
+# Copyright (c) 2013, Loïc Hoguin <[email protected]>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+# Verbosity and tweaks.
+
+V ?= 0
+
+appsrc_verbose_0 = @echo " APP   " $(PROJECT).app.src;
+appsrc_verbose = $(appsrc_verbose_$(V))
+
+erlc_verbose_0 = @echo " ERLC  " $(?F);
+erlc_verbose = $(erlc_verbose_$(V))
+
+gen_verbose_0 = @echo " GEN   " $@;
+gen_verbose = $(gen_verbose_$(V))
+
+.PHONY: all clean-all app clean deps clean-deps docs clean-docs \
+	build-tests tests build-plt dialyze
+
+# Deps directory.
+
+DEPS_DIR ?= $(CURDIR)/deps
+export DEPS_DIR
+
+ALL_DEPS_DIRS = $(addprefix $(DEPS_DIR)/,$(DEPS))
+
+# Application.
+
+ERLC_OPTS ?= -Werror +debug_info +warn_export_all +warn_export_vars \
+	+warn_shadow_vars +warn_obsolete_guard # +bin_opt_info +warn_missing_spec
+COMPILE_FIRST ?=
+COMPILE_FIRST_PATHS = $(addprefix src/,$(addsuffix .erl,$(COMPILE_FIRST)))
+
+all: deps app
+
+clean-all: clean clean-deps clean-docs
+	$(gen_verbose) rm -rf .$(PROJECT).plt $(DEPS_DIR) logs
+
+MODULES = $(shell ls src/*.erl | sed 's/src\///;s/\.erl/,/' | sed '$$s/.$$//')
+
+app: ebin/$(PROJECT).app
+	$(appsrc_verbose) cat src/$(PROJECT).app.src \
+		| sed 's/{modules, \[\]}/{modules, \[$(MODULES)\]}/' \
+		> ebin/$(PROJECT).app
+
+ebin/$(PROJECT).app: src/*.erl
+	@mkdir -p ebin/
+	$(erlc_verbose) erlc -v $(ERLC_OPTS) -o ebin/ -pa ebin/ \
+		$(COMPILE_FIRST_PATHS) $?
+
+clean:
+	$(gen_verbose) rm -rf ebin/ test/*.beam erl_crash.dump
+
+# Dependencies.
+
+define get_dep =
+	@mkdir -p $(DEPS_DIR)
+	git clone -n -- $(word 1,$(dep_$(1))) $(DEPS_DIR)/$(1)
+	cd $(DEPS_DIR)/$(1) ; git checkout -q $(word 2,$(dep_$(1)))
+endef
+
+define dep_target =
+$(DEPS_DIR)/$(1):
+	$(call get_dep,$(1))
+endef
+
+$(foreach dep,$(DEPS),$(eval $(call dep_target,$(dep))))
+
+deps: $(ALL_DEPS_DIRS)
+	@for dep in $(ALL_DEPS_DIRS) ; do $(MAKE) -C $$dep; done
+
+clean-deps:
+	@for dep in $(ALL_DEPS_DIRS) ; do $(MAKE) -C $$dep clean; done
+
+# Documentation.
+
+docs: clean-docs
+	$(gen_verbose) erl -noshell \
+		-eval 'edoc:application($(PROJECT), ".", []), init:stop().'
+
+clean-docs:
+	$(gen_verbose) rm -f doc/*.css doc/*.html doc/*.png doc/edoc-info
+
+# Tests.
+
+build-tests:
+	$(gen_verbose) erlc -v $(ERLC_OPTS) -o test/ \
+		$(wildcard test/*.erl test/*/*.erl) -pa ebin/
+
+CT_RUN = ct_run \
+	-no_auto_compile \
+	-noshell \
+	-pa ebin $(DEPS_DIR)/*/ebin \
+	-dir test \
+	-logdir logs
+#	-cover test/cover.spec
+
+CT_SUITES ?=
+CT_SUITES_FULL = $(addsuffix _SUITE,$(CT_SUITES))
+
+tests: ERLC_OPTS += -DTEST=1 +'{parse_transform, eunit_autoexport}'
+tests: clean clean-deps deps app build-tests
+	@mkdir -p logs/
+	@$(CT_RUN) -suite $(CT_SUITES_FULL)
+	$(gen_verbose) rm -f test/*.beam
+
+# Dialyzer.
+
+PLT_APPS ?=
+DIALYZER_OPTS ?= -Werror_handling -Wrace_conditions \
+	-Wunmatched_returns # -Wunderspecs
+
+build-plt: deps app
+	@dialyzer --build_plt --output_plt .$(PROJECT).plt \
+		--apps erts kernel stdlib $(PLT_APPS) $(ALL_DEPS_DIR)
+
+dialyze:
+	@dialyzer --src src --plt .$(PROJECT).plt --no_native $(DIALYZER_OPTS)