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Operating Systems AIX Unresolved symbols
# 1  
Old 04-03-2009
Unresolved symbols
Hello experts ,

i have some strange problem,
i wanted to create a shared object in AIX 5.3 for which i have compiled all my .cxx to .o which worked fine and then i created the .so from them , but when i do

nm -Bo sample.so ,

i have many unresolved symbol, including printf ,scanf,open,close()

all standard function for which i think there is a problem with libc.a,

how to solve this problem. please help.

i am using compiling and linking options as follows:

linking :makeC++SharedLib_r -o sample.so -p0 -q64 -b64 -bbigtoc /user/pmsdev/lbr/AIX/lib64/sys.a *.o -X64 -lm -lpthread -lz -L/usr/vac/lib -L/usr/lib

compiling :xlC-q64 -qrtti -qarch=com -O3 -qstrict -qfloat=fltint:rsqrt -qdbcs -qidirfirst -qlanglvl=classic -qalloca -qobjmode=classic -qthreaded -qwarn64 -D_POSIX_C_SOURCE=199506L
Last edited by vin_pll; 04-03-2009 at 03:40 AM..
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LEARN ABOUT DEBIAN

sc-config

SC-CONFIG(1)						      General Commands Manual						      SC-CONFIG(1)

NAME

       sc-config - script to get information about the installed version of SC

SYNOPSIS

       sc-config  [--prefix[=DIR]  ]  [--exec-prefix[=DIR]  ]  [--version]  [--libs]  [--cppflags]  [--cc] [--cflags] [--cxx] [--cxxflags] [--f77]
       [--f77flags]

DESCRIPTION

       The sc-config program can be used to obtain the compilers, compiler options and libraries needed to use the SC (Scientific Computing) tool-
       kit from your program.

OPTIONS

       The sc-config program returns information about how SC was compiled and installed. The following information is available:

       --prefix
	       The directory where SC is installed.

       --version
	       The version of SC.

       --libdir
	       The directory were the libraries are found.

       --libs  The libraries and library paths needed to link.

       --cppflags
	       The include directories needed to build.

       --cc    The C compiler.

       --cflags
	       The C compiler flags.

       --cxx   The C++ compiler.

       --cxxflags
	       The C++ compiler flags.

       --f77   The FORTRAN 77 compiler.

       --f77flags
	       The FORTRAN 77 compiler flags.

EXAMPLES

       To use the sc-config program to link your executable to SC, use a Makefile for GNU make similar to the following:

	      SCCONFIG = /usr/bin/sc-config
	      CXX := $(shell $(SCCONFIG) --cxx)
	      CXXFLAGS := $(shell $(SCCONFIG) --cxxflags)
	      CPPFLAGS := $(shell $(SCCONFIG) --cppflags)
	      LIBS := $(shell $(SCCONFIG) --libs)

	      myprog: myprog.o
		      $(CXX) $(CXXFLAGS) -o $@ $^ $(LIBS)

Version 2							    15 Feb 2001 						      SC-CONFIG(1)