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----- Original Message -----
*From:* Layla <mailto:[EMAIL PROTECTED]>
*To:* [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
*Sent:* Thursday, July 29, 2004 1:10 AM
*Subject:* Re: Linking Error.
Thanks for the response Vio,
Actually I'm not familiar with the method you've proposed. but I
tried to compile the program from command line and It failed! I
can't understand why its compiling by using GUI but not from the
command prompt. I'm so new to this and this project is really very
important to me. Any one PLEASE help me.
Thank you.
*/Vio <[EMAIL PROTECTED]>/* wrote:
I'm not too familiar with VC++ (ever tried DevC++ or
MingwStudio? If old
old VC++6 fails to do what you want, both free IDE
alternatives), but
whatever, doesn't VC generate some kind of Makefile between the
curtains? Maybe you could create what's missing by hand?
A Makefile looks something like this:
---------------------------------------
#
# File: Makefile for samples
# Author: Robert Roebling
# Created: 1999
# Updated:
# Copyright: (c) 1998 Robert Roebling
#
# This makefile requires a Unix version of wxWindows
# to be installed on your system. This is most often
# done typing "make install" when using the complete
# sources of wxWindows or by installing the two
# RPM packages wxGTK.XXX.rpm and wxGTK-devel.XXX.rpm
# under Linux.
#
CXX = $(shell wx-config --cxx)
PROGRAM = MyApp
OBJECTS = $(PROGRAM).o MySSL.o MyFrame.o MyCustom.o
MYFLAGS = -I/d/ssl/run/include -I./ssl
MYLIBS = -L/d/ssl/run/lib -lssl -lcrypto
.SUFFIXES: .o .cpp .c
.cpp.o :
$(CXX) -g -c `wx-config --cxxflags` $(MYFLAGS) \
-Wall -pthread -o $@ $<
.c.o :
gcc -g -c $(MYFLAGS) -Wall -pthread -o $@ $<
all: $(PROGRAM)
$(PROGRAM): $(OBJECTS)
$(CXX) -g -o $(PROGRAM) $(OBJECTS) `wx-config --libs` \
$(MYLIBS) -Wall -pthread
clean:
rm -f *.o $(PROGRAM)
---------------------------------------
What it does is that it generates compiling and linking commands,
for instance the previous Makefile generates the following:
g++ -g -c `wx-config --cxxflags` -I/d/ssl/run/include -I./ssl
-Wall
-pthread -o MyFrame.o MyFrame.cpp
g++ -g -o MyApp MyApp.o MySSL.o MyFrame.o MyCustom.o
`wx-config --libs`
-L/d/ssl/run/lib -lssl -lcrypto -Wall -pthread
First one is a compile command, second is a linking command.
So you need the second one.
Hope this helps somewhat,
Vio
Layla wrote:
> David,
> Thanks for responding. "didn't work" is actually missing a
word :),
> what i meant to say is "when /that/ didn't work" in
reference to the
> specified path.
>
> You're right, I can compile, its linking that is giving me
an error.
>
>
> "You have told the linker where the libraries are, but you
didn't
> actually link them in."
> -So how can I actually link the library?
>
> Note: As I said before I'm using VC++ 6, therefore I'm
compiling and
> linking using GUI not from the command line, would that be
an issue?
>
> -In the INSTALL file, I couldn't find reference to creating an
> environment variable that points to the root directory of
OpenSSL, and
> I'm sure that I've read about this in one of the sites.
Could this be
> the cau se of my problem?
>
> Your help is highly appreciated.
> Layla.
>
>
>
> */David Schwartz /* wrote:
>
>
> > 1) D:\Documents and Settings\Administrator\My
> Documents\openssl-0.9.7d\inc32
> > this is the directory where OpenSSL was extracted to. when
> didn't work I
> tried:
>
> What does "didn't work" mean?
>
> > 2) D:\openssl\include
> > this is the directory which I have created and copied to the
> files as
> instructed in > the installation steps in Install.win32 file.
>
> > Likewise on the Link pane, in the input category, I added the
> additional
> library
> > path as follows:
> > 1) D:\Documents and Settings\Administrator\My
> Documents\openssl-0.9.7d\out32dll
> > this is the directory where OpenSSL was extracted to,
again when
> that
> didn't wor k I > tried:
>
> What does "didn't work" mean?
>
> > 2) D:\openssl\lib
> > this directory which I have created during the
installation steps
> holds the
> > following t wo files:
> > - libeay32
> < - ssleay32
>
> > Upon linking I get the following error message for EACH of the
> OpenSSL
> functions:
> > "unresolved external symbol _SSL_CTX_free"
>
> If you got to linking, then you must have compiled. Which
means your
> include settings are probably fine.
>
> > WHAT am I doing wrong?! Please help.
>
> You are not linking to the OpenSSL libraries. You are including
> the header
> files, which is why compiling is (I think) working. You have
told
> the linker
> where the libraries are, but you didn't actually link them in.
>
> DS
>
>
>
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