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Re: MSVC compiler support [patch 10]: .oct file compilation

From: Michael Goffioul
Subject: Re: MSVC compiler support [patch 10]: .oct file compilation
Date: Wed, 18 Oct 2006 14:35:39 +0200
User-agent: Thunderbird (Windows/20060909)

John W. Eaton a écrit :
On 17-Oct-2006, Michael Goffioul wrote:

| Oct files needs a different set of compilation flag, to switch from | dllexport to dllimport.
| To achieve this, I compile oct-objects in a different oct/ subdirectory.

I think that instead of doing this, you should write a new pattern
rule that applies only to a particular list of targets.  For example,
like this:

$(DLD_OBJ) : %.o : %.cc
        ... rule that applies to $(DLD_OBJ) here ...

  $(DLD_PICOBJ) : %.o : %.cc
        ... rule that applies to $(DLD_OBJ) here ...

Since these rules will only be used in src/Makefile.in, I think they
can be defined there instead of in Makeconf.in.

The attached patch is even simpler and seems to work OK. It shouldn't change
anything on other systems.


Index: src/Makefile.in
RCS file: /cvs/octave/src/Makefile.in,v
retrieving revision 1.417
diff -c -r1.417 Makefile.in
*** src/Makefile.in     13 Oct 2006 18:11:27 -0000      1.417
--- src/Makefile.in     18 Oct 2006 12:33:53 -0000
*** 264,269 ****
--- 267,275 ----
  lex.o parse.o __gnuplot_raw__.o pic/lex.o pic/parse.o pic/__gnuplot_raw__.o: \
        ALL_CXXFLAGS := $(filter-out -Wold-style-cast, $(ALL_CXXFLAGS))
+ $(DLD_PICOBJ): \
+       ALL_CXXFLAGS := $(filter-out $(XTRA_CXXDEFS), $(ALL_CXXFLAGS))
  XERBLA = ../libcruft/blas-xtra/xerbla.o
  ifdef FPICFLAG
    PIC_XERBLA = ../libcruft/blas-xtra/pic/xerbla.o

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