--- /dev/null
+#Will look for LHAPDF libraries in /usr/lib/ or /usr/local/lib/. If LHAPDF is not found, then look for dummy lhapdf in pythia8.
+
+FIND_PATH(LHAPDF_INCLUDE_DIR Pythia.h /usr/include/ /usr/local/include/ $ENV{PYTHIADIR}/include)
+
+FIND_LIBRARY(LHAPDF_LIBRARIES NAMES lhapdfdummy PATHS /usr/lib /usr/local/lib $ENV{PYTHIADIR}/lib/archive/)
+
+IF (LHAPDF_INCLUDE_DIR AND LHAPDF_LIBRARIES)
+ SET(LHAPDF_FOUND TRUE)
+ENDIF (LHAPDF_INCLUDE_DIR AND LHAPDF_LIBRARIES)
+
+IF (LHAPDF_FOUND)
+ IF (NOT Pythia8_FIND_QUIETLY)
+ MESSAGE(STATUS "Found LHAPDF: ${LHAPDF_LIBRARIES}")
+ ENDIF (NOT Pythia8_FIND_QUIETLY)
+ELSE (LHAPDF_FOUND)
+ IF (Pythia8_FIND_REQUIRED)
+ MESSAGE(FATAL_ERROR "Could not find LHAPDF")
+ ENDIF (Pythia8_FIND_REQUIRED)
+ENDIF (LHAPDF_FOUND)
+