[R] passing arguments to R CMD SHLIB
faheem at email.unc.edu
Tue Oct 9 21:31:16 CEST 2001
Earlier this year I wrote asking about how to pass arguments to R CMD
SHLIB. I received the reply that one way was to add arguments to the file
Makevars in the compilation directory. I'm having a related problem.
I want to compile up the following shared library. The Makefile has
mh.so: mh.c mh.h
R CMD SHLIB mh.c
PKG_CPPFLAGS=-O2 -Wall -pedantic
the compilation gives
gcc -I/usr/lib/R/include -O2 -Wall -pedantic -I/usr/local/include
-mieee-fp -D__NO_MATH_INLINES -fPIC -g -O2 -c mh.c -o mh.o
However, I want to link it to a shared library, ie. I want
gcc ... mh.c -lgslcblas
"R Extensions" says that the variable PKG_LIBS can be used for additional
`-l' and `-L' flags to be passed to the linker when building the shared
library. I added a line to Makevars like
and other variations, but everything I do is completely ignored. I am at
my wits end. Is PKG_LIBS really the correct variable, and if so, what is
the correct syntax?
Thanks in advance.
Sincerely, Faheem Mitha.
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