[linux-audio-dev] compiling LADSPA for Mac OS X

[James McDermott]

Hi all,

has anyone compiled the LADSPA sdk for Mac OS X? I expect lots of
people have, and that it's very easy..!

In the src directory, I type make and get this: 

ld: unknown flag: -shared

The targets in the makefile are:

../plugins/%.so:	plugins/%.c ladspa.h
	$(CC) $(CFLAGS) -o plugins/$*.o -c plugins/$*.c
	$(LD) -o ../plugins/$*.so plugins/$*.o -shared

../plugins/%.so:	plugins/%.cpp ladspa.h
	$(CPP) $(CXXFLAGS) -o plugins/$*.o -c plugins/$*.cpp
	$(CPP) -o ../plugins/$*.so plugins/$*.o -shared

So I guess ld is different on OS X, and looking at the ld man page, I
guess maybe I need -dylib instead:

../plugins/%.so:	plugins/%.c ladspa.h
	$(CC) $(CFLAGS) -o plugins/$*.o -c plugins/$*.c
	$(LD) -o ../plugins/$*.so plugins/$*.o -dylib

../plugins/%.so:	plugins/%.cpp ladspa.h
	$(CPP) $(CXXFLAGS) -o plugins/$*.o -c plugins/$*.cpp
	$(CPP) -o ../plugins/$*.so plugins/$*.o -dylib

But now I get this error: 

ld: plugins/amp.o illegal undefined reference for multi module
MH_DYLIB output file to symbol: dyld_stub_binding_helper from section
(__DATA,__la_symbol_ptr) relocation entry: 0

and that's where I give up! But I guess there's a solution which is
obvious to anyone who knows about dynamic libraries on a Mac?