[Rd] How to customize the list of exported functions in a shared library (update)

[Vladimir Eremeev]

Vladimir Eremeev wrote:
> 
> 
> It calls gcc:
> gcc  "-I../sources" "-I."  -IC:/PROGRA~1/R/include  -gdwarf-2 -Wall -O2
> -std=gnu99   -c rsnns.c -o rsnns.o
> gcc  -shared   -o Rsnns.dll Rsnns.def [ lots of *.o ]  -LC:/PROGRA~1/R/bin
> "-Lc:/mingw/lib" -lfl -liberty   -lR
> 
> The file Rsnns.def is generated automatically and is deleted on success.
> On error, it remains, and contains export of all symbols.
> Probably GCC generates it, I haven't tracked its generation in the R's
> scripts.
> 

This file is generated in R scripts.
MkRules contains

%.dll:
	@$(ECHO) EXPORTS > $*.def
	@$(NM) $^ | $(SED) -n 's/^........ [BCDRT] _/ /p' >> $*.def
	$(DLL) -shared $(DLLFLAGS) $($*-DLLFLAGS) -o $@ $*.def $^ $($*-DLLLIBS)
$(DLLLIBS)
	@$(RM) $*.def

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