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oscherler/Makefile

Last active April 7, 2017 18:55
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  1. oscherler revised this gist Apr 7, 2017. 1 changed file with 2 additions and 0 deletions.
    2 changes: 2 additions & 0 deletions Makefile
    View file
    Original file line number Diff line number Diff line change
    @@ -32,6 +32,8 @@ ebin/%.beam: %.erl $(HEADERS) Makefile
    @mkdir -p $(@D)
    erlc $(ERLC_FLAGS) -o ebin/ $<

    # delete all the object files
    # the minus means don’t report errors
    clean:
    -rm $(OBJECTS)

  2. oscherler created this gist Apr 7, 2017.
    52 changes: 52 additions & 0 deletions Makefile
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,52 @@
    # http://www.erlang-factory.com/upload/presentations/33/EUnitinPractice.pdf

    ERLC_FLAGS=

    # finds all the files in the current directory that end in .erl
    # and set variable SOURCES to the list
    SOURCES=$(wildcard *.erl)
    # same for .hrl files in variable HEADERS
    HEADERS=$(wildcard *.hrl)
    # take every file in .erl in variable SOURCES, transform them to a .beam file in folder ebin
    # and set variable OBJECTS to that new list
    OBJECTS=$(SOURCES:%.erl=ebin/%.beam)

    # so assuming you have program.erl, util.erl and global.hrl in the root folder, you will have:
    # SOURCES=program.erl util.erl
    # HEADERS=global.hrl
    # OBJECTS=ebin/program.beam ebin/util.beam

    # the first target is the default one
    # it requires target compile and test to be made
    all: compile test

    # compile requires all the OBJECTS files to be made
    # in our example, it means the ebin/%.beam target will be made for ebin/program.beam and ebin/util.beam
    compile: $(OBJECTS)

    # when a .beam file in ebin needs to be made:
    # - make sure the target directory (ebin) exists
    # - compile the input file (in .erl), put the result .beam into ebin
    # the .beam file needs to be remade if the .erl file or any file in HEADERS or the Makefile changes
    ebin/%.beam: %.erl $(HEADERS) Makefile
    @mkdir -p $(@D)
    erlc $(ERLC_FLAGS) -o ebin/ $<

    clean:
    -rm $(OBJECTS)

    test:
    @erl -noshell -pa ebin \
    -eval 'eunit:test( "ebin", [ verbose ] )' \
    -s init stop

    gettysburg: text=gettysburg-address.txt
    gettysburg: print

    dickens: text=dickens-christmas.txt
    dickens: print

    print: compile
    @erl -noshell -pa ebin \
    -eval 'indexer:print_file_index("text/'$(text)'")' \
    -s init stop