Question

Describe how to compile “getoptpp” as shaded library from my own GNU Makefile and static link it to my program?

What I do:

At my program directory I unarchived getoptpp library to subdirectory with the same name.
than added new target to my Makefile: (README say I used SHARED flag to make. $> make SHARED=n)

getoptpp:
     cd getoptpp; $(MAKE) SHARED=n 

than I added this target to list of requested targets of my program:

 myprogram: getoptpp
     g++ **** myprogram

but after calling make myprogram – no new .so created at all.
when calling “make getoptpp” – make say ‘is up to date’

*ADDED: after suggestion of .PHONY there is an error *

cd getoptpp; make SHARED=n
"Makefile", line 15: Missing dependency operator
"Makefile", line 19: Need an operator
"Makefile", line 24: Need an operator
"Makefile", line 45: Missing dependency operator
"Makefile", line 47: Need an operator
make: fatal errors encountered -- cannot continue
*** Error code 1

http://code.google.com/p/getoptpp/

OR

Please, suggest pretty nice command line parsing library for my c++ program. That I can simple compile as .o object that link to my program. No Boost!

Answer 1

The directory exists and is not updated, so yes, it is up to date. Perhaps you want to declare it as a dependency of .PHONY.