RE:streams with CInt

From: Valery Fine (fine@mail.cern.ch)
Date: Thu Oct 23 1997 - 11:19:57 MEST

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On 22 Oct 97 at 18:59, William J. Deninger wrote:

> Ooops, one more thing..
> 
> root[0] Simple s;
> 
> (crash!!!)
> 
  I would like to mention that the posted Makefile ( and that from 
root/test may be simplify if all you want is to create a SINGLE DLL 
to load it into intercative ROOT session via ".L" or gSystem.Load.

  For this "trivial" case the Makefil (for Windows) follows"

  Where are differences:

  1.  Line to define CXXFLAGS was

      CXXFLAGS      = $(cvarsdll)     /Zd /O2 /G5 /MD -D_WINDOWS -I$(ROOTSYS)/include

      should be

      CXXFLAGS      = $(cvarsdll) /LD /Zd /O2 /G5 /MD -D_WINDOWS -I$(ROOTSYS)/include

  2. The rule to create DLL is more simple and looks like 

     $(SIMPLESO):	$(SIMPLEO)
              $(LD) $(SOFLAGS) $(SIMPLEO) Simple.exp $(LIBS)    $(OutPutOpt)Simple.dll

instead of the "universal" 3-steps:

     $(EVENT):       $(EVENTO)
                BINDEXPLIB  Event $(EVENTO) > Event.def
                lib /nologo /MACHINE:IX86 $(EVENTO) /def:Event.def $(OutPutOpt)$(EVENTLIB)
                $(LD) $(SOFLAGS) $(EVENTO) Event.exp $(LIBS)       $(OutPutOpt)Event.dll
                @echo "Event.dll done"

=================

  But I want to highlight it works for the trivial case ONLY: To 
produce a SINGLE DLL to load it into the ROOT interactive session. 
                                              ===========
One can no apply this for stand-alone ROOT-like program with 
pre-compiled objects !


#  ===================== Begin ===========
ObjSuf        = obj
SrcSuf        = cxx
ExeSuf        = .exe
DllSuf        = dll
OutPutOpt     = /out:

# Win32 system with Microsoft Visual C/C++
!include <win32.mak>
CC            = $(cc)
CXX           = $(cc)
CXXFLAGS      = $(cvarsdll) /LD /Zd /O2 /G5 /MD -D_WINDOWS -I$(ROOTSYS)/include
LD            = $(link)
LDFLAGS       = $(conlflags)
SOFLAGS       = $(dlllflags)
ROOTLIBS      = $(ROOTSYS)/lib/*.lib
LIBS          = $(ROOTLIBS) $(guilibsdll) MSVCIRT.LIB
LIBSALL       = $(ROOTLIBS)
SIMPLELIB      = Simple.lib


#------------------------------------------------------------------------------

SIMPLEO        = Simple.$(ObjSuf) SimpleCint.$(ObjSuf)

SIMPLES        = Simple.$(SrcSuf) SimpleCint.$(SrcSuf)

SIMPLESO       = libSimple.$(DllSuf)

OBJS          = $(SIMPLEO)

PROGRAMS      = $(SIMPLE)

DLLS 	      = $(SIMPLESO)

all:            $(DLLS) $(PROGRAMS)

$(SIMPLESO):	$(SIMPLEO)
                $(LD) $(SOFLAGS) $(SIMPLEO) Simple.exp $(LIBS)       $(OutPutOpt)Simple.dll
                @echo "SIMPLE.dll done"

clean:
                @del /q $(OBJS) SimpleCint.$(SrcSuf) SimpleCint.h

###

SimpleCint.$(SrcSuf): Simple.h LinkDef.h
        @echo "Generating dictionary ..."
        @rootcint -f SimpleCint.$(SrcSuf) -c Simple.h LinkDef.h

.$(SrcSuf).$(ObjSuf):
        $(CXX) $(CXXFLAGS) -c $<

Dr. Valeri Faine (Valery Fine)
    ------------ -------------   Phone: +41 22 767 4921
CERN                             FAX  : +41 22 767 7155
CH-1211 Geneva, 23               mailto:fine@mail.cern.ch 
Switzerland                      http://nicewww.cern.ch/~fine

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