Hi fadden, Thanks. The library which i am using has exteral "C" linkage definition incorrect in some of the header files.
Regards, Sreedhar On Tue, Apr 21, 2009 at 8:19 PM, sreedhar b <[email protected]> wrote: > Hi fadden, > > my "libmyusecase" is having *.c files and all my header files is with the > C linkage as below. > > #ifdef _cplusplus > extern "C" { > #endif /* _cplusplus */ > ............................... > ............................... > > #ifdef _cplusplus > } > #endif /* _cplusplus */ > > And i am trying to call the API's part of these *.c in a package containing > *.cpp files. I get undefined reference error. > > But when i make the *.c files of "libmyusecase" to *.cpp and remove the C > linkage in the header files i dont get the undefined reference error. > > Thanks and Regards, > Sreedhar > > On Mon, Apr 20, 2009 at 10:53 PM, fadden <[email protected]> wrote: > >> >> On Apr 20, 4:56 am, sreedhar b <[email protected]> wrote: >> > I have a use-case library having *.cpp files. And i made an application >> with >> > *.c extension. I included the above said library as a shared library >> part of >> > the Android.mk for building the application. >> > >> > I am getting errors showing undefined reference to API's of use-case >> library >> > that i used part of the application. >> >> My first thought would be a name-mangling issue. Are you missing an >> 'extern "C"' on the prototypes in your header file? >> >> % cat > foo.c >> int test(int value) { return 3; } >> % gcc -c foo.c >> % nm foo.o >> 00000000 T test >> % mv foo.c foo.cpp >> % gcc -c foo.cpp >> % nm foo.o >> 00000000 T _Z4testi >> U __gxx_personality_v0 >> >> >> >> > --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [email protected] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
