Date: Sun, 9 Apr 2000 08:55:38 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Prashant TR <tr AT midpec DOT com>
cc: djgpp-workers AT delorie DOT com
Subject: Re: Porting problems with Sh-utils (beta)
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On Sat, 8 Apr 2000, Prashant TR wrote:
> source='getdate.c' object='getdate.o' libtool=no \
> depfile='.deps/getdate.Po' tmpdepfile='.deps/getdate.TPo' \
> depmode=gcc d:/djgpp/bin/sh.exe ../depcomp \
> gcc -DLIBDIR=\"d:/djgpp/lib\" -DHAVE_CONFIG_H -I.. -I. -I../intl    -g
> -O2 -c -o
>  getdate.o `test -f getdate.c || echo './'`getdate.c
> depcomp: Variables source, object and depmode must be set
> make.exe[2]: *** [getdate.o] Error 1
> make.exe[2]: Leaving directory `d:/prj/x/sh-utils-2.0g/lib'
> make.exe[1]: *** [all-recursive] Error 1
> make.exe[1]: Leaving directory `d:/prj/x/sh-utils-2.0g'
> make.exe: *** [all-recursive-am] Error 2
> -----
> 
> The fragment of the makefile producing this error is:
> 
> -----
> CCDEPMODE = depmode=gcc
> 
> .c.o:
>         source='$<' object='$@' libtool=no \
>         depfile='$(DEPDIR)/$*.Po' tmpdepfile='$(DEPDIR)/$*.TPo' \
>         $(CCDEPMODE) $(depcomp) \
>         $(COMPILE) -c -o $@ `test -f $< || echo '$(srcdir)/'`$<
> -----
> 
> There's a script called depcomp in the parent directory, but it
> doesn't seem to be receiving the values of "source", "object" and
> "libtool". And if I try compiling on Linux, the package compiles
> perfectly.

Does the Makefile say "SHELL = /bin/sh"?  If not, this command is not
going to work.

> It seems to me that the values of variables are not passed
> on to the child program by MAKE.

It's not Make's job to pass variables to the child program, in this
case.  The syntax "foo=bar xyz=abc foobar.exe" is processed entirely
by a Unixy shell, such as Bash, which Make should invoke.  If that
command is passed by Make to Bash, the values of the variables will be
passed to "d:/djgpp/bin/sh.exe" and to the script.  I just tried this
in a short Makefile, and it worked for me, in all versions of Make
(3.75, 3.76, 3.77, 3.78.1, and the hot-off-the-grill Make 3.79).

If the Makefile does say "SHELL = /bin/sh" (and I suspect it does), I
think something else is at work here.  Perhaps the problem is not with
Make, but with the depcomp script (which you didn't show ;-).

Btw, why does the build process use docomp instead of libtool?

> I'm using Make 3.77.

I don't think anything's changed in this matter, but just in case, try
it with Make 3.78.1.