310 lines
9.1 KiB
Makefile
310 lines
9.1 KiB
Makefile
# -*- mode: makefile -*-
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#
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# Copyright (c) 2012, Joyent, Inc. All rights reserved.
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#
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# Makefile.targ: common targets.
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#
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# NOTE: This makefile comes from the "eng" repo. It's designed to be dropped
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# into other repos as-is without requiring any modifications. If you find
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# yourself changing this file, you should instead update the original copy in
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# eng.git and then update your repo to use the new version.
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#
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# This Makefile defines several useful targets and rules. You can use it by
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# including it from a Makefile that specifies some of the variables below.
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#
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# Targets defined in this Makefile:
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#
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# check Checks JavaScript files for lint and style
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# Checks bash scripts for syntax
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# Checks SMF manifests for validity against the SMF DTD
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#
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# clean Removes built files
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#
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# docs Builds restdown documentation in docs/
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#
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# prepush Depends on "check" and "test"
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#
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# test Does nothing (you should override this)
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#
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# xref Generates cscope (source cross-reference index)
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#
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# For details on what these targets are supposed to do, see the Joyent
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# Engineering Guide.
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#
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# To make use of these targets, you'll need to set some of these variables. Any
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# variables left unset will simply not be used.
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#
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# BASH_FILES Bash scripts to check for syntax
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# (paths relative to top-level Makefile)
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#
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# CLEAN_FILES Files to remove as part of the "clean" target. Note
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# that files generated by targets in this Makefile are
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# automatically included in CLEAN_FILES. These include
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# restdown-generated HTML and JSON files.
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#
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# DOC_FILES Restdown (documentation source) files. These are
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# assumed to be contained in "docs/", and must NOT
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# contain the "docs/" prefix.
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#
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# JSL_CONF_NODE Specify JavaScriptLint configuration files
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# JSL_CONF_WEB (paths relative to top-level Makefile)
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#
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# Node.js and Web configuration files are separate
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# because you'll usually want different global variable
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# configurations. If no file is specified, none is given
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# to jsl, which causes it to use a default configuration,
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# which probably isn't what you want.
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#
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# JSL_FILES_NODE JavaScript files to check with Node config file.
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# JSL_FILES_WEB JavaScript files to check with Web config file.
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#
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# JSON_FILES JSON files to be validated
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#
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# JSSTYLE_FILES JavaScript files to be style-checked
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#
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# You can also override these variables:
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#
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# BASH Path to bash (default: "bash")
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#
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# CSCOPE_DIRS Directories to search for source files for the cscope
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# index. (default: ".")
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#
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# JSL Path to JavaScriptLint (default: "jsl")
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#
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# JSL_FLAGS_NODE Additional flags to pass through to JSL
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# JSL_FLAGS_WEB
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# JSL_FLAGS
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#
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# JSON Path to json tool (default: "json")
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#
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# JSSTYLE Path to jsstyle (default: "jsstyle")
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#
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# JSSTYLE_FLAGS Additional flags to pass through to jsstyle
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#
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# RESTDOWN_EXT By default '.restdown' is required for DOC_FILES
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# (see above). If you want to use, say, '.md' instead, then
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# set 'RESTDOWN_EXT=.md' in your Makefile.
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#
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#
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# Defaults for the various tools we use.
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#
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BASH ?= bash
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BASHSTYLE ?= tools/bashstyle
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CP ?= cp
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CSCOPE ?= cscope
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CSCOPE_DIRS ?= .
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JSL ?= jsl
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JSON ?= json
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JSSTYLE ?= jsstyle
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MKDIR ?= mkdir -p
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MV ?= mv
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RESTDOWN_FLAGS ?=
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RESTDOWN_EXT ?= .restdown
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RMTREE ?= rm -rf
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JSL_FLAGS ?= --nologo --nosummary
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ifeq ($(shell uname -s),SunOS)
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TAR ?= gtar
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else
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TAR ?= tar
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endif
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#
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# Defaults for other fixed values.
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#
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BUILD = build
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DISTCLEAN_FILES += $(BUILD)
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DOC_BUILD = $(BUILD)/docs/public
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#
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# Configure JSL_FLAGS_{NODE,WEB} based on JSL_CONF_{NODE,WEB}.
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#
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ifneq ($(origin JSL_CONF_NODE), undefined)
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JSL_FLAGS_NODE += --conf=$(JSL_CONF_NODE)
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endif
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ifneq ($(origin JSL_CONF_WEB), undefined)
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JSL_FLAGS_WEB += --conf=$(JSL_CONF_WEB)
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endif
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#
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# Targets. For descriptions on what these are supposed to do, see the
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# Joyent Engineering Guide.
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#
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#
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# Instruct make to keep around temporary files. We have rules below that
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# automatically update git submodules as needed, but they employ a deps/*/.git
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# temporary file. Without this directive, make tries to remove these .git
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# directories after the build has completed.
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#
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.SECONDARY: $($(wildcard deps/*):%=%/.git)
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#
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# This rule enables other rules that use files from a git submodule to have
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# those files depend on deps/module/.git and have "make" automatically check
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# out the submodule as needed.
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#
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deps/%/.git:
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git submodule update --init deps/$*
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#
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# These recipes make heavy use of dynamically-created phony targets. The parent
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# Makefile defines a list of input files like BASH_FILES. We then say that each
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# of these files depends on a fake target called filename.bashchk, and then we
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# define a pattern rule for those targets that runs bash in check-syntax-only
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# mode. This mechanism has the nice properties that if you specify zero files,
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# the rule becomes a noop (unlike a single rule to check all bash files, which
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# would invoke bash with zero files), and you can check individual files from
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# the command line with "make filename.bashchk".
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#
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.PHONY: check-bash
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check-bash: $(BASH_FILES:%=%.bashchk) $(BASH_FILES:%=%.bashstyle)
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%.bashchk: %
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$(BASH) -n $^
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%.bashstyle: %
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$(BASHSTYLE) $^
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.PHONY: check-json
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check-json: $(JSON_FILES:%=%.jsonchk)
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%.jsonchk: %
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$(JSON) --validate -f $^
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#
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# The above approach can be slow when there are many files to check because it
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# requires that "make" invoke the check tool once for each file, rather than
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# passing in several files at once. For the JavaScript check targets, we define
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# a variable for the target itself *only if* the list of input files is
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# non-empty. This avoids invoking the tool if there are no files to check.
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#
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JSL_NODE_TARGET = $(if $(JSL_FILES_NODE), check-jsl-node)
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.PHONY: check-jsl-node
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check-jsl-node: $(JSL_EXEC)
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$(JSL) $(JSL_FLAGS) $(JSL_FLAGS_NODE) $(JSL_FILES_NODE)
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JSL_WEB_TARGET = $(if $(JSL_FILES_WEB), check-jsl-web)
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.PHONY: check-jsl-web
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check-jsl-web: $(JSL_EXEC)
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$(JSL) $(JSL_FLAGS) $(JSL_FLAGS_WEB) $(JSL_FILES_WEB)
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.PHONY: check-jsl
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check-jsl: $(JSL_NODE_TARGET) $(JSL_WEB_TARGET)
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JSSTYLE_TARGET = $(if $(JSSTYLE_FILES), check-jsstyle)
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.PHONY: check-jsstyle
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check-jsstyle: $(JSSTYLE_EXEC)
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$(JSSTYLE) $(JSSTYLE_FLAGS) $(JSSTYLE_FILES)
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.PHONY: check
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check: check-jsl check-json $(JSSTYLE_TARGET) check-bash
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@echo check ok
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.PHONY: clean
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clean::
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-$(RMTREE) $(CLEAN_FILES)
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.PHONY: distclean
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distclean:: clean
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-$(RMTREE) $(DISTCLEAN_FILES)
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CSCOPE_FILES = cscope.in.out cscope.out cscope.po.out
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CLEAN_FILES += $(CSCOPE_FILES)
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.PHONY: xref
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xref: cscope.files
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$(CSCOPE) -bqR
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.PHONY: cscope.files
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cscope.files:
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find $(CSCOPE_DIRS) -name '*.c' -o -name '*.h' -o -name '*.cc' \
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-o -name '*.js' -o -name '*.s' -o -name '*.cpp' > $@
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#
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# The "docs" target is complicated because we do several things here:
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#
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# (1) Use restdown to build HTML and JSON files from each of DOC_FILES.
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#
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# (2) Copy these files into $(DOC_BUILD) (build/docs/public), which
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# functions as a complete copy of the documentation that could be
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# mirrored or served over HTTP.
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#
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# (3) Then copy any directories and media from docs/media into
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# $(DOC_BUILD)/media. This allows projects to include their own media,
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# including files that will override same-named files provided by
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# restdown.
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#
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# Step (3) is the surprisingly complex part: in order to do this, we need to
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# identify the subdirectories in docs/media, recreate them in
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# $(DOC_BUILD)/media, then do the same with the files.
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#
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DOC_MEDIA_DIRS := $(shell find docs/media -type d 2>/dev/null | grep -v "^docs/media$$")
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DOC_MEDIA_DIRS := $(DOC_MEDIA_DIRS:docs/media/%=%)
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DOC_MEDIA_DIRS_BUILD := $(DOC_MEDIA_DIRS:%=$(DOC_BUILD)/media/%)
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DOC_MEDIA_FILES := $(shell find docs/media -type f 2>/dev/null)
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DOC_MEDIA_FILES := $(DOC_MEDIA_FILES:docs/media/%=%)
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DOC_MEDIA_FILES_BUILD := $(DOC_MEDIA_FILES:%=$(DOC_BUILD)/media/%)
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#
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# Like the other targets, "docs" just depends on the final files we want to
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# create in $(DOC_BUILD), leveraging other targets and recipes to define how
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# to get there.
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#
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.PHONY: docs
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docs: \
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$(DOC_FILES:%$(RESTDOWN_EXT)=$(DOC_BUILD)/%.html) \
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$(DOC_FILES:%$(RESTDOWN_EXT)=$(DOC_BUILD)/%.json) \
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$(DOC_MEDIA_FILES_BUILD)
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#
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# We keep the intermediate files so that the next build can see whether the
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# files in DOC_BUILD are up to date.
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#
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.PRECIOUS: \
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$(DOC_FILES:%$(RESTDOWN_EXT)=docs/%.html) \
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$(DOC_FILES:%$(RESTDOWN_EXT)=docs/%json)
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#
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# We do clean those intermediate files, as well as all of DOC_BUILD.
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#
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CLEAN_FILES += \
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$(DOC_BUILD) \
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$(DOC_FILES:%$(RESTDOWN_EXT)=docs/%.html) \
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$(DOC_FILES:%$(RESTDOWN_EXT)=docs/%.json)
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#
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# Before installing the files, we must make sure the directories exist. The |
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# syntax tells make that the dependency need only exist, not be up to date.
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# Otherwise, it might try to rebuild spuriously because the directory itself
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# appears out of date.
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#
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$(DOC_MEDIA_FILES_BUILD): | $(DOC_MEDIA_DIRS_BUILD)
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$(DOC_BUILD)/%: docs/% | $(DOC_BUILD)
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$(CP) $< $@
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docs/%.json docs/%.html: docs/%$(RESTDOWN_EXT) | $(DOC_BUILD) $(RESTDOWN_EXEC)
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$(RESTDOWN) $(RESTDOWN_FLAGS) -m $(DOC_BUILD) $<
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$(DOC_BUILD):
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$(MKDIR) $@
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$(DOC_MEDIA_DIRS_BUILD):
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$(MKDIR) $@
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#
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# The default "test" target does nothing. This should usually be overridden by
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# the parent Makefile. It's included here so we can define "prepush" without
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# requiring the repo to define "test".
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#
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.PHONY: test
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test:
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.PHONY: prepush
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prepush: check test
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