[Rd] How to customize the list of exported functions in a shared library (update)
wl2776 at gmail.com
Mon Feb 5 15:51:49 CET 2007
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
This file is generated in R scripts.
@$(ECHO) EXPORTS > $*.def
@$(NM) $^ | $(SED) -n 's/^........ [BCDRT] _/ /p' >> $*.def
$(DLL) -shared $(DLLFLAGS) $($*-DLLFLAGS) -o $@ $*.def $^ $($*-DLLLIBS)
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