File pythia-honour-env-cxxflags.patch of Package pythia

Index: pythia8240/configure
===================================================================
--- pythia8240.orig/configure
+++ pythia8240/configure
@@ -297,7 +297,7 @@ if [ -z "$CXX" ]; then
     CXX="g++";
 fi
 if [ -z "$CXX_COMMON" ]; then
-    CXX_COMMON="${ENABLE_DEBUG}${ENABLE_64BIT}"
+    CXX_COMMON="${CXXFLAGS} ${ENABLE_DEBUG}${ENABLE_64BIT}"
     CXX_COMMON="$CXX_COMMON -pedantic -W -Wall -Wshadow -fPIC"; fi
 if [ -z "$CXX_SHARED" ]; then
     if [ "$ARCH" = "LINUX" ];  then CXX_SHARED="-shared"; fi