Hi,
Last time I had a similar problem I had to run
autoconf/autoreconf/something like this to regenerate configure on OSX.
Elias Mårtenson <loke...@gmail.com> writes:
> I don't think so. I believe the reason is that you're not compiling
> with a flat namespace.
>
> If I recall correctly OSX uses a different name resolution system
> by default where symbols from one library doesn't automatically
> become part of the namespace of another.
>
> There were some magic flags one can use with the linker to get
> the normal behaviour from Linux, but I have no idea how it
> works. I don't use OSX anymore so I can't really experiment with
> it.
>
> Regards,
> Elias
>
> On Fri, 18 May 2018, 08:14 Peter Teeson,
> <peter.tee...@icloud.com> wrote:
>
> I’ve been thinking about this and I believe it’s probably
> because libapl.so is C++ but Cocoa is Obj-C.
> Pure C plays nicely with Obj-C but there needs to be
> wrappers for C++ to play nicely with Obj-C.
> So while I wait for your wise replies I will research what to
> do to use C++ dlls in Obj-C; I don’t even know if that is
> possible.
>
> respect….
>
> Peter
>
> On May 17, 2018, at 12:10 PM, Peter Teeson
> <peter.tee...@icloud.com> wrote:
>
> Hi all:
> The following is for svn 1048 ./configure —with-android
> —with-libapl
> Using MacOS Yosemite 10.10.5 and Xcode 6.4 and a
> vanilla Cocoa Document app.
>
> In the AppDelegate code I have the following:
>
> void *libaplHandle; // plain C file pointer
>
> - (void)applicationDidFinishLaunching:(NSNotification
> *)aNotification {
> // Load libapl from default location.
> const char* libaplPath="/usr/local/lib/apl/libapl.so"; // TO
> DO Make this path a User Preference....}
>
> libaplHandle = dlopen(libaplPath,
> RTLD_LAZY|RTLD_GLOBAL);
> if (NULL == libaplHandle) {
> char *error = dlerror();
> printf("AppDelegate - dlopen(libaplHandle) error:
> %s",error);
> }
> }
>
> AppDelegate - dlopen(libaplHandle) error:
> dlopen(/usr/local/lib/apl/libapl.so, 9): Symbol
> not found: _CERR
> Referenced from: /usr/local/lib/apl/libapl.so
> Expected in: flat namespace
> in /usr/local/lib/apl/libapl.so
>
> I really have no idea why this happens. Please
> educate me…..
>
> Thanks and
>
> respect…..
>
> Peter
>
>
--
Br,
/Alexey
