LOGvsNLOGImakefile.dif:

From bdemakelinuxstatus050810.1515.txt:
Imakefiles work with -DLOG but not without it.
=---------------------------------

mercury.cs.uml.edu(397)> diff $PRLOG/Imakefile $PRNLOG/Imakefile|wc
diff $PRLOG/Imakefile $PRNLOG/Imakefile | wc
     93     391    2880
mercury.cs.uml.edu(398)> diff $PRLOG/Imakefile $PRNLOG/Imakefile >LOGvsNLOGImakefile.dif
-------------------------------
7c7
<  * This Imakefile is for bde/pr_util_log. - RJL050805      
---
>  * This Imakefile is for bde/pr_util_nolog. - RJL050805
8a9
> /* See -r 1.16 of bde/pr_util/Imakefile for earlier revs.
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> /* configure.h #defines GENVxx, GENLOG, and ... */
> /* PRDIR BINDIR PROBJDIR are defined in bde/Imakefile */
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< SCHEMASRCS      = $(TOP)/schema/94sbde_schema.sch
< 
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< #undef GENLOG
< #undef BDELOG
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< /* Defined in bde/Imakefile: PROBJDIR, PRDIR */
< 
---
> SCHEMASRCS      = $(TOP)/schema/94sbde_schema.sch
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> 
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> 
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> 
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< #endif
< 
< #ifndef GENLOG
---
> #else
> /* omit pr_log.c */
121c121,147
< CP = cp -p
---
> 
> /* Below, '$(PRDIR)/$(*).c'  selects current source file */
> /* In $(*).c, parens are ESSENTIAL! -RJL050806 */
> /* src/Imakefile Ptrn rules:  $(OBJDIR)%.o : $(SRCDIR)%.cc */
> /* $PR[N]LOG/Imakefile :  $(PROBJDIR)%.o : $(PRDIR)%.c */ 
> /*$(GENOBJS):$(GENSRCS)                                 @@\
>         $(CC) -g -c -Wall $(GENDEFINES) $<  -o $(@)     @@\
> [$(<) -o $(@)] works on mercury, not on saturn!-RJL050807] 
> */
> /* empty rule to cancel default rule: */
> 
> /* (*) does not include .c  in CC command */
> /* Pattern rule for gnu make only: don't forget '/': */ 
> /* Didn't work on mercury: 
>         $(CC)...$(PRDIR)/%.c -o $(PROBJDIR)/%.o  @@\
>                 $(PRDIR)/%.c not found  
>         $(CC) ... $(<).c -o $(@)
>                 ($(PROBJDIR)/%.c not found - wrong dir'y)
>         $(CC) -g -c -Wall $(<D)/$(<F) -o $(@)
>                 (infile was '.c')
>         $(CC) -g -c -Wall $(<) -o $(@)
>                 (infile was $(PROBJDIR)/_*.c)
> -----------------------------------------------
> chgen/src/Makefiles use either $< or $*.c on Linux only:
> $(CC) -c $(CFLAGS) -DGENPR $(SRCDIR)/$<   -o $@         
> ${CC} -c $(CFLAGS) -DGENPR $(SRCDIR)/$*.c -o $@
>  */
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< /*XCOMM echo  "linuxArchitecture is #defined."*/
< #endif
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< $(GENOBJS):$(GENSRCS)                                  @@\
<         $(CP) $(PRDIR)/*.h $(PRDIR)/$HOSTTYPE              @@\
<         $(CP) $(PRDIR)/$(*) $(PROBJDIR)                    @@\
<         $(CC) -g -c -Wall $(GENDEFINES) $(PRDIR)/$(*).c -o $(@) @@\
---
> $(PROBJDIR)/%.o : %.c                           @@\
>         ${CC} -c -g -Wall $*.c -o $@            @@\
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< #endif
---
> #else
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< #ifndef linuxArchitecture
< /*XCOMM echo  "linuxArchitecture is NOT #defined."*/
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< $(GENOBJS):$(GENSRCS)                                   @@\
<         $(CP) $(PRDIR)/*.h $(PRDIR)/$HOSTTYPE           @@\
<         $(CP) $(PRDIR)/$(*) $(PROBJDIR)                 @@\
<         $(CC) -g -c -Wall $(GENDEFINES) $(PROBJDIR)/$(*) -o $(@) @@\
---
> $(PROBJDIR)/%.o : %.c                                   @@\
>         ${CC} -c -g -Wall $*.c -o $@                    @@\
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> 
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>