[R] trouble with R CMD INSTALL for building my own library

[Jonathan Li]

Hi,

I have built a library that consists of a piece of C code and some R
functions.
To build it into a library that I can load using library() command, I
have followed "Writing R Extensions"
and made sub-directories such as mylib/R and mylib/src. But when I run R
CMD INSTALL mylib, nothing seems to
be happening with src directory, i.e., no C compiling. I have probably
missed
some key steps. But after reading very carefully "Writing R Extension",
I conclude that I don't need to
write my own Makefile in src since R CMD INSTALL will use the default in
/usr/lib/R/etc/Makeconf
Here is a copy of Makeconf file. In addition, R CMD check and R CMD
build all ran without running "make". Is this 
the way it is supposed to be?  (no error messages encountered).

Where is the problem? Thanks in advance!

BLAS_LIBS = -L. -lblas
CC = gcc
CFLAGS = -g -O2
CPICFLAGS = -fPIC
CPPFLAGS = -I/usr/local/include
CXX = c++
CXXCPP = c++ -E
CXXFLAGS = -g -O2
CXXPICFLAGS = -fPIC
ECHO_C = 
ECHO_N = -n
ECHO_T = 
FC = g77
FFLAGS = -g -O2
FLIBS =  -lg2c -lm -L/usr/lib/gcc-lib/i386-linux/2.95.4 -lm
FPICFLAGS = -fPIC
F2C = 
F2CFLAGS = 
LIBM = -lm
LIBR = -L$(R_HOME)/bin -lR
LIBS =  -L/usr/local/lib  -lz -lreadline -ldl -lncurses -lm
LIBPATHS =  -L/usr/local/lib
LIBTOOL = $(SHELL) $(R_HOME)/bin/libtool
SHELL = /bin/sh
SHLIB_CFLAGS = 
SHLIB_CXXFLAGS = 
SHLIB_CXXLD = c++
SHLIB_CXXLDFLAGS = -shared
SHLIB_EXT = so
SHLIB_FFLAGS = 
SHLIB_LD = gcc
SHLIB_LDFLAGS = -shared
SHLIB_LIBADD = 
SHLIB_LINK = $(SHLIB_LD) $(SHLIB_LDFLAGS) $(LDFLAGS)

-- 
Jonathan Q. Li, PhD
Agilent Technologies Laboratory
Palo Alto, California, USA
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