fixes for icc

HepMC/configure.in

@@ -260,7 +260,7 @@ icc)
    case "$target" in
    *-*-linux*)
       AM_CXXFLAGS="-O -ansi -mp -no-gcc -w1"
-      AM_LDFLAGS="-lstdc++"
+      AM_LDFLAGS="-lstdc++ -lcxa -lunwind"
       MY_SHFLAGS="-fPIC -DPIC"; MY_SHLINK="-shared"; SHEXT=so
       MY_SHNAME="-Wl,-soname,"; MY_LD="-Wl,--rpath -Wl,"
       AR="xiar"; ARFLAGS="cru"

HepMC/examples/GNUmakefile.example.in

@@ -25,7 +25,7 @@ endif
   HepMCinc  = $(INCDIR)/CLHEP/HepMC
   PythiaLIB = $(PYLIB)/pydata.o $(PYLIB)/libpythia.a $(PYLIB)/libpydum.a
   HerwigLIB = $(HERWIG_DIR)/lib/libherwig.a $(HERWIG_DIR)/lib/libherdum.a $(HERWIG_DIR)/lib/timel.o
-  LIBNAME = -L$(CLHEP_BASE)/lib -lCLHEP-@VERSION@
+  LIBNAME = -L$(CLHEP_BASE)/lib  -lCLHEP-HepMC-@VERSION@  -lCLHEP-HepPDT-@VERSION@ -lCLHEP-@VERSION@
   LIBS = @AM_LDFLAGS@
 
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