make sure easybuild flags and libs are used for llvmlite
March 25th 2019 by PY Barriat (ELIC - UCL)
--- llvmlite-0.28.0/ffi/Makefile.linux.orig 2019-03-25 16:43:28.855604493 +0100
+++ llvmlite-0.28.0/ffi/Makefile.linux      2019-03-25 16:45:52.698599613 +0100
@@ -2,7 +2,7 @@
 CXX ?= g++

 # -flto and --exclude-libs allow us to remove those parts of LLVM we don't use
-CXX_FLTO_FLAGS ?= -flto
+CXX_FLTO_FLAGS ?= -flto -fPIC
 LD_FLTO_FLAGS ?= -flto -Wl,--exclude-libs=ALL

 CXXFLAGS = $(LLVM_CXXFLAGS) $(CXX_FLTO_FLAGS)