diff --git a/tools/stdhep-tools/CMakeLists.txt b/tools/stdhep-tools/CMakeLists.txt
index d0b560361..59d27a566 100644
--- a/tools/stdhep-tools/CMakeLists.txt
+++ b/tools/stdhep-tools/CMakeLists.txt
@@ -19,8 +19,9 @@ foreach (stdhep_program_source ${stdhep_program_sources})
 endforeach()
 
 add_custom_command(OUTPUT ${stdhep_programs}
-    COMMAND make BIN=${STDHEP_TOOLS_BIN_DIR} SRC_DIR=${CMAKE_BINARY_DIR}/stdhep-tools-src/ STDHEP_DIR=${STDHEP_DIR}
+    COMMAND make BIN=${STDHEP_TOOLS_BIN_DIR} SRC_DIR=${CMAKE_BINARY_DIR}/stdhep-tools-src/ STDHEP_DIR=${STDHEP_DIR} GSL_INCLUDE_DIRS=${GSL_INCLUDE_DIRS} GSL_LIBRARY=${GSL_LIBRARY}
     WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/stdhep-tools-src"
     DEPENDS "${CMAKE_BINARY_DIR}/stdhep-tools-src")
 
 add_custom_target(stdhep_tools_build ALL DEPENDS ${stdhep_programs})
+
diff --git a/tools/stdhep-tools/src/Makefile b/tools/stdhep-tools/src/Makefile
index 379cbe87c..2e207af25 100644
--- a/tools/stdhep-tools/src/Makefile
+++ b/tools/stdhep-tools/src/Makefile
@@ -3,10 +3,11 @@
 #STDHEP_DIR := $(SRC_DIR)/stdhep-5-06-01
 STDHEP_C := $(STDHEP_DIR)/lib/libstdhepC.a
 MCFIO := $(STDHEP_DIR)/lib/libFmcfio.a
-LOADLIBS=-L$(STDHEP_DIR)/lib
+LOADLIBS=-L$(STDHEP_DIR)/lib -L$(dir $(GSL_LIBRARY))
 #LOADLIBS=-L/usr/local/lib/stdhep -L/afs/slac.stanford.edu/package/cernlib/@sys/cern/2002/lib
 LDLIBS=-lstdhepC -lFmcfio -lgsl -lgslcblas
-INCFILES=-I$(STDHEP_DIR)/src/inc -I$(SRC_DIR)
+#-l$(GSL_CBLAS_LIBRARY) -l$(GSL_LIBRARY) 
+INCFILES=-I$(STDHEP_DIR)/src/inc -I$(SRC_DIR) -I$(GSL_INCLUDE_DIRS)
 CPP=g++
 CPPFLAGS=$(LOADLIBS) $(LDLIBS) -g -std=c++11
 TARGETS := $(patsubst $(SRC_DIR)/%.cc,$(BIN)/%,$(wildcard $(SRC_DIR)/*.cc))