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graphics/glut symbol problems
I'm having problems with Mesa glut package. Other packages that link to glut
libraries fail to build with the following error:
configure:9478: checking for glutSwapBuffers in -lglut
configure:9509: gcc -o
conftest -O2 -I/opt/pkg/include -I/usr/include -Wall -I/opt/pkg/include
-I/usr/include -L/opt/pkg/lib -Wl,-R/opt/pkg/lib -L/usr/lib -Wl,-R/usr/lib
-lSM -lICE -lXmu -lXi -lXext -lXmu -lGLU -lGL -L/usr/X11R6/lib -lX11 -lXext
reference to `glXGetProcAddressARB'
As far as I can see the undefined symbol is in /opt/pkg/lib/libGL.so shared
# nm /opt/pkg/lib/libGL.so | grep glXGetProcAddressARB
00000000001e8008 t glXGetProcAddressARB
The above shows that the symbol is local in scope, and I think this is why
glut cannot see it
Next, reading graphics/MesaLib/hacks.mk I see the following compiler flags,
which might help to solve the problem:
. if !empty(CC_VERSION:Mgcc-[4-9]*)
# Don't hide symbols for glut by default, it doesn't know how to unhide them.
. if empty(PKGNAME:M*glut*)
However, if I don't want to hide the symbols, then shouldn't the above
be -fvisibility=default? Can anyone elaborate on this?
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