Fix loading of libgv in certain environments

This resolves ticket #100

Fix loading of libgv in certain environments
This resolves ticket #100
3eaf7009 · Tiago Peixoto · 2301bff2 · 3eaf7009
Commit 3eaf7009 authored Apr 30, 2012 by Tiago Peixoto
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src/graph_tool/draw/graphviz_draw.py src/graph_tool/draw/graphviz_draw.py +1 -1

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--- a/src/graph_tool/draw/graphviz_draw.py
+++ b/src/graph_tool/draw/graphviz_draw.py
@@ -52,7 +52,7 @@ try:
    libname = ctypes.util.find_library("gvc")
    if libname is None:
        raise OSError()
-    libgv = ctypes.CDLL(libname)
+    libgv = ctypes.CDLL(libname, ctypes.RTLD_GLOBAL)
    # properly set the return types of certain functions
    ptype = ctypes.POINTER(ctypes.c_char)
    libgv.gvContext.restype = ptype