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Custom make rules

From: Ralf Corsepius <corsepiu at faw dot uni-ulm dot de>
To: Automake List <automake at gnu dot org>
Date: 19 Sep 2002 07:13:23 +0200
Subject: Custom make rules
References: <2002-09-18-23-23-59+4619+duret_g@lrde.epita.fr>

Am Mit, 2002-09-18 um 23.23 schrieb Alexandre Duret-Lutz:
> Please SHOUT LOUD if your package works with Automake 1.6.3 but
> doesn't with 1.6d.

Using custom compilations rules in a Makefile.am:

# cat Makefile.am:
${ARCH}/%.$(OBJEXT): %.S
	test -d ${ARCH} || mkdir ${ARCH}
	${CCASCOMPILE} -o $@ -c $<

${ARCH}/%.$(OBJEXT): %.c
	test -d ${ARCH} || mkdir ${ARCH}
	${COMPILE} -o $@ -c $<

# autoreconf -fi
autoreconf: `aclocal.m4' is unchanged
Makefile.am:5: redefinition of `${ARCH}/%.$(OBJEXT)'...
Makefile.am:1: ... `${ARCH}/%.$(OBJEXT)' previously defined here.

1. automake-1.6.3 and previous versions did not complain.
2. automake's complaint is wrong. These are two different make rules.

Could it be that automake-1.6d is confused about variables (VAR=..) and
rules (VAR: ...)?

Ralf

References:
- Automake 1.6d available (beta for Automake 1.7)
  - From: Alexandre Duret-Lutz

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