145 lines
4.7 KiB
Makefile
145 lines
4.7 KiB
Makefile
# $NetBSD: bdb.buildlink3.mk,v 1.19 2007/01/14 15:00:54 rillig Exp $
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#
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# This Makefile fragment is meant to be included by packages that
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# require a Berkeley DB implementation. It abstracts finding the
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# appropriate library, choosing among built-in or pkgsrc-provided
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# db-1.85, and choosing among db[234].
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#
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# There is a default version for db[234], which is db4 unless already
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# set (e.g. in /etc/mk.conf). While it is nice to have fewer versions
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# installed, the real problem is installed dynamic libraries that link
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# against bdb. These cannot be used with a program linked against a
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# different version, and hence this Makefile is written to cause only
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# one version to be used whenever possible.
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#
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# This Makefile can handle several cases:
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# package requires db-1.85
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# package can use any of db[234]
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# package can use db-1.85 or any of db[234]
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# package can use db-1.85 which is builtin and some subset of db[234]
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#
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# This Makefile does not handle:
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# packages that need a specific version, e.g. db2
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# [in such cases, include ../../database/db2/buildlink3.mk directly]
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# packages that can use e.g. db3 or db4, but not db2
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# [there is no good way to handle this at present]
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#
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# bdb.buildlink3.mk will:
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#
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# * set BDBBASE to the base directory of the Berkeley DB files;
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# * set BDB_LIBS to the library option needed to link against
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# the Berkeley DB library;
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# * set BDB_TYPE to the Berkeley DB implementation used.
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#
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# User-settable variables:
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#
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# BDB_DEFAULT
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# This value represents the package we use when either a db-1.85
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# interface isn't required, or a db-1.85 interface is required,
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# but it's not built-in.
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#
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# FIXME: Improve the wording of the text above so that one can
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# understand it.
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#
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# BDB185_DEFAULT
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# The package we use when a db-1.85 interface is required.
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# It defaults to "db1" if it's built-in, or to ${BDB_DEFAULT}
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# otherwise.
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#
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# Package-settable variables:
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#
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# BDB_ACCEPTED
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# The list of Berkeley DB implementations
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# that may be used by the package. Note that if the list does not
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# include db1 and does not include BDB_DEFAULT, the package will not
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# build - this is the second unhandled case above.
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#
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# Note for when databases/db1 is imported:
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# (1) Remove the section that conditionally sets the default
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# value for BDB185_DEFAULT and always set it to be "db1".
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# (2) Remove the special case for ${BDB_TYPE} == "db1" at the end.
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# (3) Move mk/db1.builtin.mk to databases/db1/builtin.mk.
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BDB_BUILDLINK3_MK:= ${BDB_BUILDLINK3_MK}+
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.include "../../mk/bsd.prefs.mk"
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.if !empty(BDB_BUILDLINK3_MK:M+)
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# If the package specified a list of acceptable Berkeley DB packages,
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# set USE_DB185 to yes if db1 is included, and otherwise no, thus
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# preferring to use db1. Assume that the package's configure process
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# should know how to probe for the libraries and headers on its own.
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#
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. if defined(BDB_ACCEPTED) && empty(BDB_ACCEPTED:Mdb1)
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USE_DB185?= no
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. else
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USE_DB185?= yes
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. endif
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# _BDB_PKGS is an exhaustive list of all of the Berkeley DB
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# implementations that may be used with bdb.buildlink3.mk.
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#
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_BDB_PKGS?= db1 db2 db3 db4
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BDB_DEFAULT?= db4
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BDB_ACCEPTED?= ${_BDB_PKGS}
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# Decide what to use when DB185 is required. If builtin db1 is
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# present, use it, and if not use DBD_DEFAULT.
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#
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CHECK_BUILTIN.db1:= yes
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. include "../../mk/db1.builtin.mk"
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CHECK_BUILTIN.db1:= no
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. if defined(IS_BUILTIN.db1) && !empty(IS_BUILTIN.db1:M[yY][eE][sS])
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BDB185_DEFAULT?= db1
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. else
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BDB185_DEFAULT?= ${BDB_DEFAULT}
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. endif
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_BDB_PKGSRCDIR.db2= ../../databases/db
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. for _bdb_ in ${_BDB_PKGS}
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_BDB_PKGSRCDIR.${_bdb_}?= ../../databases/${_bdb_}
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. endfor
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_BDB_DEFAULT= ${BDB_DEFAULT}
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_BDB185_DEFAULT= ${BDB185_DEFAULT}
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_BDB_ACCEPTED= ${BDB_ACCEPTED}
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. if !defined(_BDB_TYPE)
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. if !empty(USE_DB185:M[yY][eE][sS])
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_BDB_TYPE= ${_BDB185_DEFAULT}
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. else
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_BDB_TYPE= ${_BDB_DEFAULT}
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. endif
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. endif
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# Note that if BDB_ACCEPTED does not contain db1 or BDB_DEFAULT, this
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# results in BDB_TYPE being none (rather than the most preferred value
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# in BDB_ACCEPTED, which might or might not be better.)
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. if !empty(_BDB_ACCEPTED:M${_BDB_TYPE})
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BDB_TYPE= ${_BDB_TYPE}
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. else
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BDB_TYPE= none
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. endif
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# Define some public variables to refer to package-specific variables.
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BDBBASE= ${BUILDLINK_PREFIX.${BDB_TYPE}}
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BDB_LIBS= ${BUILDLINK_LDADD.${BDB_TYPE}}
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BUILD_DEFS+= BDB_DEFAULT BDB185_DEFAULT
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BUILD_DEFS_EFFECTS+= BDBBASE BDB_LIBS BDB_TYPE
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.endif # BDB_BUILDLINK3_MK
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.if ${BDB_TYPE} == "none"
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PKG_FAIL_REASON= \
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"${_BDB_TYPE} is not an acceptable Berkeley DB type for ${PKGNAME}."
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.elif ${BDB_TYPE} == "db1"
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BUILDLINK_PACKAGES:= ${BUILDLINK_PACKAGES:Ndb1}
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BUILDLINK_PACKAGES+= db1
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BUILDLINK_ORDER:= ${BUILDLINK_ORDER} ${BUILDLINK_DEPTH}db1
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BUILDLINK_BUILTIN_MK.db1= ../../mk/db1.builtin.mk
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.else
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. include "${_BDB_PKGSRCDIR.${BDB_TYPE}}/buildlink3.mk"
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.endif
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