Commit 64e24a34 authored by Laurent Belcour's avatar Laurent Belcour
Browse files

Correction of the dynamic cast failure under OSX. This required to add a...

Correction of the dynamic cast failure under OSX. This required to add a -fvisilibity=hidden to avoid having vtables exported to every shared library.
parent d8c37a9a
import os
import sys
env = env.Clone()
......@@ -18,4 +19,12 @@ if( == 'posix'):
libs = ['rt', 'dl']
env.StaticLibrary('../build/core', sources, LIBS=libs, LINKFLAGS=['-shared'])
## Known compilation issue. If the core is not compiled with -fvisibility-hidden
## on OSX, the shared libraries and the softwares cannot share vtables. This
## impact the use of dynamic_cast in shared libraries.
if sys.platform == 'darwin':
env.AppendUnique(CCFLAGS = ['-fvisibility=hidden'])
env.StaticLibrary('../build/core', sources, LIBS=libs)
......@@ -42,8 +42,9 @@ template<typename T> T open_library(const std::string& filename, const char* fun
return NULL;
void* handle = dlopen(filename.c_str(), RTLD_LAZY);
if(handle != NULL)
void* handle = dlopen(filename.c_str(), RTLD_GLOBAL | RTLD_LAZY);
if(handle != NULL)
void (*res)();
*(void **)(&res) = dlsym(handle, function);
......@@ -3,4 +3,5 @@ env = env.Clone()
sources = ['rational_fitter.cpp']
libs = ['core']
env.SharedLibrary('../../build/rational_fitter_eigen', sources, LIBS=libs, LINKFLAGS=['-shared'])
env.SharedLibrary('../../build/rational_fitter_eigen', sources, LIBS=libs)
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