Re: Problem with $* and $$*

Fri, 09 Jun 2006 16:27:35 -0700

Thanks Billy,

However:

PATTON, BILLY (SBCSI) wrote: 
As one who has recently gone through this These are the changes I would
suggest
$< to $$<
My mistake indeed.
get rid of the shell,   It already is in a shell
You mean the first $(SHELL) -ec ?
If I supress it (and the enclosing ' and '), I receive the error:
unexpected EOF while looking for matching `''

I would suggest breaking it into small pieces for better readability
CPP = $(CXX) -MM $(FINAL_$(1)_CPPFLAGS) $(CXXINCLDIRS) $$<
I know, but since I override this tens of time I just try to avoid allocating plenty of variables...

So, I corrected the $< into $$<, but I still get the same error. Actually, I now found the problem, but I do not know how to solve it:

The command typicalyl results in:

/bin/sh -ec 'g++ -MM -DWINDOWS -Ic:/mingw/local/include/gtkmm-2.4 -Ic:/mingw/local/lib/gtkmm-2.4/include -Ic:/mingw/local/include/glibmm-2.4 -Ic:/mingw/local/lib/glibmm-2.4/include -Ic:/mingw/local/include/gdkmm-2.4 -Ic:/mingw/local/lib/gdkmm-2.4/include -Ic:/mingw/local/include/pangomm-1.4 -Ic:/mingw/local/include/atkmm-1.6 -Ic:/mingw/local/include/gtk-2.0 -Ic:/mingw/local/include/sigc++-2.0 -Ic:/mingw/local/lib/sigc++-2.0/include -Ic:/mingw/local/include/glib-2.0 -Ic:/mingw/local/lib/glib-2.0/include -Ic:/mingw/local/lib/gtk-2.0/include -Ic:/mingw/local/include/pango-1.0 -Ic:/mingw/local/include/atk-1.0   -DALTER_MMX -DALTER_SSE2 -D_REENTRANT -D_GNU_SOURCE -mthreads -mms-bitfields -DALTER_MODULE=common -Isrc/ -Isrc/common/  -I/usr/local/include/1394camera -I/usr/local/include/newmat -I/usr/local/include src/common/Spline.cpp | sed '\''s/\(Spline\)\.o[ :]*/objects\/common_\1.o objects/common_Spline.d : /g'\'' > objects/common_Spline.d'

while this red part should be: objects\/common_Spline.d

So, it seems that my command part that reads  $(subst /,\/,$$@) has no effect and merely outputs $$@ withotu replacing the slash. Any idea ? Shall I use a sed command here as well?

Thansk,
Xavier
-----Original Message-----
From: [EMAIL PROTECTED] 
[mailto:[EMAIL PROTECTED]] On Behalf 
Of Xavier Marichal
Sent: Friday, June 09, 2006 12:12 PM
To: [email protected]
Subject: Problem with $* and $$*


Hi!

I'm working on a relatively big projects which I'm currently 
simplifying 
by using templates (with define, call and eval) in order to have more 
generic makefiles for the whole project instead of modules specific 
Makefiles.

So far, I was using the following rules to generate the dependencies 
(which I store with a particular prefix, hence the sed commands):

$(OBJECT_DIR)%$(DBG_SUFFIX)$(DEP_EXT) : $(FILES_PATH)%$(SRC_EXT)
    $(VERBOSE_ECHO) $(SHELL) -ec '$(CXX) -MM $(FINAL_CPPFLAGS) 
$(CXXINCLDIRS) $< | sed '\''s/\($*\)\.o[ :]*/$(shell echo 
$(OBJECT_DIR) 
| sed 's/\//\\\//g')\1$(DBG_SUFFIX).o $(subst /,\/,$@) : /g'\'' > $@'


Now, I'm instantiating this for every one of my modules through a 
template function. I provide the function with argument 1 about my 
module name and argument 2 about the location of the sources.
The function then becomes

$(OBJ_DIR)$(1)_%$(DBG_SUFFIX)$(DEP_EXT) : $(2)/%$(SRC_EXT)
    $(VERBOSE_ECHO) $(SHELL) -ec '$(CXX) -MM $(FINAL_$(1)_CPPFLAGS) 
$(CXXINCLDIRS) $< | sed '\''s/\($$*\)\.o[ :]*/$(shell echo 
$(OBJ_DIR)$(1)_ | sed 's/\//\\\//g')\1$(DBG_SUFFIX).o $(subst 
/,\/,$$@) 
: /g'\'' > $$@'

However, I receive a plenty of messages such as:
sed: -e _expression_ #2, char 70: Unknown option to 's'
g++.exe: no input files
g++.exe: no input files
sed: -e _expression_ #2, char 69: Unknown option to 's'
g++.exe: no input files
sed: -e _expression_ #2, char 64: Unknown option to 's'
g++.exe: no input files
sed: -e _expression_ #2, char 74: Unknown option to 's'
g++.exe: no input files
...

The error comes from the stem which is apparently empty instead of 
providing sed with the file name. I read in the Makefile that it is 
indeed the problem with $* and $$* when there are two passes 
as in eval. 
However, I cannot figure out what I shall use instead.
Anyone can help me?
Many thanks,
Xavier


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