bolt:~/pub/fox-1.2.9/tests andy$ gltest dyld: gltest Undefined symbols: __ZTVN10__cxxabiv117__class_type_infoE
Also running otool -L and nm -m on gltest might be useful in order to see which library is different at runtime than at linktime and which library these undefined symbols are supposed to come from.
bolt:~/pub/fox-1.2.9/tests andy$ otool -L gltest gltest: is not an object file bolt:~/pub/fox-1.2.9/tests andy$
bolt:~/pub/fox-1.2.9/tests andy$ otool -L /usr/bin/gcc
/usr/bin/gcc:
/usr/lib/libiconv.2.dylib (compatibility version 5.0.0, current version 5.0.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 71.0.0)
bolt:~/pub/fox-1.2.9/tests andy$
Hmmm. Whatever g++ produced does not seem to be inspectable but this may be related to the prebinding warning?
I rebuilt the library and removed some of the suggestions I had picked up from the internet on how to get around problems with OSX linking. The library failed to link with lots of internal C++ symbols. I explicitly added -lstdc++ and this resolved the symbols. Why doesn't linking with g++ do this?
Now gltest links but with warnings about opengl system libraries:
bolt:~/pub/fox-1.2.9/tests andy$ make gltest
/bin/sh ../libtool --mode=link g++ -DHAVE_XSHM_H=1 -D_GNU_SOURCE -DHAVE_ZLIB_H=1 -DHAVE_BZ2LIB_H=1 -DHAVE_XCURSOR_H=1 -Wall -W -Wmissing-prototypes -Woverloaded-virtual -Wformat -DHAVE_GL_H=1 -DSUN_OGL_NO_VERTEX_MACROS -DHPOGL_SUPPRESS_FAST_API -DHAVE_GLU_H=1 -I/usr/X11R6/include -o gltest gltest.o ../src/libFOX-1.2.la -lm -L/usr/X11R6/lib -ldl -lpthread -lz -lbz2 -lm -lGL -lGLU
g++ -DHAVE_XSHM_H=1 -D_GNU_SOURCE -DHAVE_ZLIB_H=1 -DHAVE_BZ2LIB_H=1 -DHAVE_XCURSOR_H=1 -Wall -W -Wmissing-prototypes -Woverloaded-virtual -Wformat -DHAVE_GL_H=1 -DSUN_OGL_NO_VERTEX_MACROS -DHPOGL_SUPPRESS_FAST_API -DHAVE_GLU_H=1 -I/usr/X11R6/include -o .libs/gltest gltest.o -L../src/.libs -lFOX-1.2 -L/usr/X11R6/lib -lXext -lX11 -lXcursor -lstdc++ -ldl -lpthread -lz -lbz2 -lm -lGL -lGLU
ld: warning prebinding disabled because of symbols overridden in dependent dynamic shared libraries:
/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/ libGLU.dylib(quad.o) definition of _gluCylinder
/usr/X11R6/lib/libGLU.dylib(quad.o) definition of _gluCylinder
ld: warning prebinding disabled because of symbols overridden in dependent dynamic shared libraries:
/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/ libGLU.dylib(quad.o) definition of _gluDeleteQuadric
/usr/X11R6/lib/libGLU.dylib(quad.o) definition of _gluDeleteQuadric
ld: warning prebinding disabled because of symbols overridden in dependent dynamic shared libraries:
/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/ libGLU.dylib(quad.o) definition of _gluDisk
/usr/X11R6/lib/libGLU.dylib(quad.o) definition of _gluDisk
ld: warning prebinding disabled because of symbols overridden in dependent dynamic shared libraries:
/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/ libGLU.dylib(quad.o) definition of _gluNewQuadric
/usr/X11R6/lib/libGLU.dylib(quad.o) definition of _gluNewQuadric
ld: warning prebinding disabled because of symbols overridden in dependent dynamic shared libraries:
/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/ libGLU.dylib(quad.o) definition of _gluQuadricDrawStyle
/usr/X11R6/lib/libGLU.dylib(quad.o) definition of _gluQuadricDrawStyle
ld: warning prebinding disabled because of symbols overridden in dependent dynamic shared libraries:
/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/ libGLU.dylib(quad.o) definition of _gluQuadricOrientation
/usr/X11R6/lib/libGLU.dylib(quad.o) definition of _gluQuadricOrientation
ld: warning prebinding disabled because of symbols overridden in dependent dynamic shared libraries:
/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/ libGLU.dylib(quad.o) definition of _gluSphere
/usr/X11R6/lib/libGLU.dylib(quad.o) definition of _gluSphere
creating gltest
bolt:~/pub/fox-1.2.9/tests andy$
Why has not prebinding for the opengl library worked while not prebinding for the fox library failed with obscure internal C++ symbols? Is C++ the problem? Or the combination of C++ and C?
gltest ran for a while but segmentation faults on exit. I can trace this but things are clearly not right. Suggestions?
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