Hello,
I've got the following simple source files:
//Begin fun1.cpp
#include <iostream.h>
void fun1( ) { cout << "Exits in fun1( )\n"; }
//End fun1.cpp
//Begin fun2.cpp
#include <iostream.h>
void fun2( ) { cout << "Exits in fun2( )\n"; }
//End fun2.cpp
//Begin funmain.cpp
#include <iostream.h>
void fun1( );
int main( )
{
cout << "about to call fun1( )\n";
fun1( );
cout << "just called fun1( )\n";
return 0;
}
//End funmain.cpp
all of the source files are in the directory
/home/exits/moment/cpptest. I compile the two
functions like this:
g++ -c fun1.cpp
g++ -c fun2.cpp
I then archive the two resulting object files like
this:
ar -cr libfun.a fun1.o fun2.o
So far so good (I think) i've not got my library
containing the two functions. I can't seem to figure
out though how to link my main method agains the
archive. It seems this should work:
g++ -o fun -L/home/exits/moment/cpptest -lfun
funmain.cpp
but it doesn't instead g++ complains about an
undefined reference to fun1( ). If I just pop the .o
file on the command line when I compile/link main
everything is fine but I really need to get the
library stuff working. If anyone could point out what
I've done wrong, I'd really appreciate it. Thanks in
advance!
-exits
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