pixi: Setup LDFLAGS to avoid issue on OSX

Author: jorisv

scripts/activation.sh

@@ -10,6 +10,10 @@ unset DEBUG_CPPFLAGS
 unset DEBUG_CXXFLAGS
 unset LDFLAGS
 
+# On OSX it's really important to setup these linker path or the linker
+# will use the system libc++ that can be incompatible with our dependencies
+export LDFLAGS="-Wl,-rpath,$CONDA_PREFIX/lib -L$CONDA_PREFIX/lib"
+
 # Setup ccache
 export CMAKE_CXX_COMPILER_LAUNCHER=ccache