Date: 12 Mar 2002 00:55:25 +0200 From: Maxim Sobolev <sobomax@FreeBSD.org> To: Ernst de Haan <znerd@FreeBSD.org> Cc: ports@FreeBSD.org Subject: Re: .for woes Message-ID: <1015887321.1763.42.camel@notebook> In-Reply-To: <02031123024601.00964@heinz> References: <02031123024601.00964@heinz>
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On Tue, 2002-03-12 at 00:02, Ernst de Haan wrote:
> Hi,
>=20
> I'm noticing some weird behaviour. This is my test Makefile:
>=20
> PORTNAME=3D testport
> PORTVERSION=3D 1
> FILES:=3D ${FILESDIR}/a \
> ${FILESDIR}/b
> CATEGORIES=3D #
> =20
> DISTFILES=3D #
> EXTRACT_ONLY=3D #
> =20
> do-build:
> @${ECHO_CMD} "Files: ${FILES}"
> .for f in ${FILES}
> @${ECHO_CMD} "File $f..."
> .endfor
> =20
> .include <bsd.port.mk>
>=20
> Surprisingly, the result of running 'make' is:
>=20
> =3D=3D=3D> Extracting for testport-1
> =3D=3D=3D> Patching for testport-1
> =3D=3D=3D> Configuring for testport-1
> =3D=3D=3D> Building for testport-1
> Files: /usr/home/ernst/testport/files/a /usr/home/ernst/testport/file=
s/b
> File /a...
> File /b...
>=20
> How do I get the full file names within the .for ?
That because expansion of the variable ${FOO} in the `.for bar in
${FOO}' statement is performed immediately at the time of parsing, while
expansion of all other variables is deferred until they are actually
used in target. Since in your case ${FILESDIR} isn't defined when
make(1) parses .for statement it expands to "". To make your snippet
working you can use one of the following two ways:
1. Include <bsd.port.pre.mk> before .for statement and use `=3D' instead
of `:=3D' to assign value to ${FILES};
2. Rewrite the code to be:
FILES=3D foo bar
[...]
do-build:
[...]
.for f in ${FILES}
@${ECHO_CMD} "File ${FILESDIR}/$f..."
.endfor
-Maxim
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