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To: Caml List <caml-list@inria.fr>
From: Joel Reymont <joelr1@gmail.com>
Subject: Can this OMakefile be simplified?
Date: Wed, 28 Mar 2007 09:28:46 +0100
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I found this OMakefile in the sqlite3 bindings for OCaml. I'm trying  
to package my translator as a set of C bindings and I wonder if this  
Omakefile can be made simpler.

Any suggestions? Pointers to simpler Omakefiles for other C bindings?

	Thanks in advance, Joel

###########################################

SubstVersion(output, input) =
    # should use fsubst, but it doesn't seem to be
    # working properly in 0.9.2.
    $(output) : $(input)
        sed "s%@VERSION@%$(VERSION)%g" < $< > $@

###########################################
OCamlLibraryExt(name, files, cfiles) =
    OFILES   = $(addsuffix $(EXT_OBJ), $(cfiles))
    CMOFILES = $(addsuffix .cmo, $(files))
    CMXFILES = $(addsuffix .cmx, $(files))
    CMIFILES = $(addsuffix .cmi, $(files))
    CLIB      = $(file $(name)$(EXT_LIB))
    BYTELIB   = $(file $(name).cma)
    NATIVELIB = $(file $(name).cmxa)
    STUBLIB   = lib$(name)_stubs
    # Create C library to contain all the object files...
    StaticCLibrary($(STUBLIB), $(cfiles))
    # Link commands
    # TODO: Doesn't work with ddls...
    $(BYTELIB): $(CMOFILES) $(STUBLIB)$(EXT_LIB)
         $(OCAMLFIND) $(OCAMLLINK) $(OCAMLFLAGS) $(OCAMLCFLAGS) \
                 $(OCAML_LIB_FLAGS) -a -custom -cclib -l$(name)_stubs \
                 -o $@ $(OCamlLinkSort $(CMOFILES))

    $(NATIVELIB) $(CLIB): $(CMXFILES) $(STUBLIB)$(EXT_LIB)
         $(OCAMLFIND) $(OCAMLOPTLINK) $(OCAMLFLAGS) $(OCAMLOPTFLAGS) \
                 $(OCAML_LIB_FLAGS) -a -cclib -l$(name)_stubs -o \
                 $(NATIVELIB) $(OCamlLinkSort $(CMXFILES))

    # Add to targets
    if $(NATIVE_ENABLED)
         library: $(NATIVELIB)

    if $(BYTE_ENABLED)
         library: $(BYTELIB)

# Program with tag for executables
OCamlProgramExt(tag, name, sources) =
    OCamlProgram($(name), $(sources))

    if $(NATIVE_ENABLED)
         $(tag) : $(name).opt

    if $(BYTE_ENABLED)
         $(tag) : $(name).run

###############################

.PHONY : library examples install dist

VERSION = $(nth 0, $(rev $(split -, $(dir .))))
OCAMLFLAGS = -w A
OCAMLPPFLAGS = -pp camlp4r
OCAMLDEPFLAGS = -pp camlp4r
BYTE_ENABLED = true
NATIVE_ENABLED = true
OCAMLLIBDIR = $(shell ocamlfind printconf stdlib)
CFLAGS = -Wall -Werror -I $(OCAMLLIBDIR)
PKG = $(basename $(absname $(dir .)))

# Targets in subdirectories...
.SUBDIRS: lib examples

# Targets:
.DEFAULT: library examples

# Distribution:
dist : .DEFAULT
     tar -C $(dir ..) -c -j -f $(dir ..)/$(PKG).tar.bz2 \
        $(addprefix $(PKG)/, $(shell bzr inventory --kind file))


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