diff --git a/trick_source/data_products/DPX/APPS/FXPLOT/makefile b/trick_source/data_products/DPX/APPS/FXPLOT/makefile
index b3bb90b1..480cc1ec 100644
--- a/trick_source/data_products/DPX/APPS/FXPLOT/makefile
+++ b/trick_source/data_products/DPX/APPS/FXPLOT/makefile
@@ -2,7 +2,7 @@
 include ${TRICK_HOME}/share/trick/makefiles/Makefile.common
 
 RM = rm -rf
-CC = cc
+CC = gcc
 CPP = c++
 
 DPX_DIR = ../..
diff --git a/trick_source/data_products/DPX/APPS/GXPLOT/makefile b/trick_source/data_products/DPX/APPS/GXPLOT/makefile
index e23337c5..e36352be 100644
--- a/trick_source/data_products/DPX/APPS/GXPLOT/makefile
+++ b/trick_source/data_products/DPX/APPS/GXPLOT/makefile
@@ -2,7 +2,7 @@
 include ${TRICK_HOME}/share/trick/makefiles/Makefile.common
 
 RM = rm -rf
-CC = cc
+CC = gcc
 CPP = c++
 
 DPX_DIR = ../..
diff --git a/trick_source/data_products/DPX/DPC/makefile b/trick_source/data_products/DPX/DPC/makefile
index 24e34a72..14e3984a 100644
--- a/trick_source/data_products/DPX/DPC/makefile
+++ b/trick_source/data_products/DPX/DPC/makefile
@@ -2,7 +2,7 @@
 include ${TRICK_HOME}/share/trick/makefiles/Makefile.common
 
 RM = rm -rf
-CC = cc
+CC = gcc
 CPP = c++
 
 DPX_DIR  = ..
diff --git a/trick_source/data_products/DPX/DPM/makefile b/trick_source/data_products/DPX/DPM/makefile
index 2b67ccd1..a6fb2c76 100644
--- a/trick_source/data_products/DPX/DPM/makefile
+++ b/trick_source/data_products/DPX/DPM/makefile
@@ -2,7 +2,7 @@
 include ${TRICK_HOME}/share/trick/makefiles/Makefile.common
 
 RM = rm -rf
-CC = cc
+CC = gcc
 CPP = c++
 
 DPX_DIR = ..
diff --git a/trick_source/data_products/EQParse/makefile b/trick_source/data_products/EQParse/makefile
index 6a5cc3bd..3887d161 100644
--- a/trick_source/data_products/EQParse/makefile
+++ b/trick_source/data_products/EQParse/makefile
@@ -1,7 +1,7 @@
 
 include ${TRICK_HOME}/share/trick/makefiles/Makefile.common
 
-CC        = cc
+CC        = gcc
 
 OBJ_DIR    = object_${TRICK_HOST_CPU}
 LIBDIR    = ../lib_${TRICK_HOST_CPU}
diff --git a/trick_source/data_products/units/makefile b/trick_source/data_products/units/makefile
index 20f28d6c..42d7ac90 100644
--- a/trick_source/data_products/units/makefile
+++ b/trick_source/data_products/units/makefile
@@ -1,7 +1,7 @@
 
 include ${TRICK_HOME}/share/trick/makefiles/Makefile.common
 
-CC  = cc
+CC  = gcc
 CPP = c++
 
 ifndef TRICK_HOST_CPU
diff --git a/trick_source/sim_services/DataTypes/makefile b/trick_source/sim_services/DataTypes/makefile
index b5050c78..c18d9b8e 100644
--- a/trick_source/sim_services/DataTypes/makefile
+++ b/trick_source/sim_services/DataTypes/makefile
@@ -1,6 +1,6 @@
 
 RM = rm -rf
-CC = cc
+CC = gcc
 CPP = c++
 
 
diff --git a/trick_source/trick_utils/SAIntegrator/makefile b/trick_source/trick_utils/SAIntegrator/makefile
index cdd6eaeb..98506b78 100644
--- a/trick_source/trick_utils/SAIntegrator/makefile
+++ b/trick_source/trick_utils/SAIntegrator/makefile
@@ -1,6 +1,6 @@
 
 RM = rm -rf
-CC = cc
+CC = gcc
 CPP = c++
 
 CFLAGS = -g -Wall -std=c++11 ${TRICK_CXXFLAGS}
diff --git a/trick_source/web/CivetServer/makefile b/trick_source/web/CivetServer/makefile
index fce4065f..11db671d 100644
--- a/trick_source/web/CivetServer/makefile
+++ b/trick_source/web/CivetServer/makefile
@@ -1,7 +1,7 @@
 include ${TRICK_HOME}/share/trick/makefiles/Makefile.common
 
 RM = rm -rf
-CC = cc
+CC = gcc
 CPP = c++
 CURL = curl
 MV = mv