diff --git a/src/MAKE/Makefile.mac b/src/MAKE/Makefile.mac
index ac73c7aec..9ef3eb281 100755
--- a/src/MAKE/Makefile.mac
+++ b/src/MAKE/Makefile.mac
@@ -1,93 +1,93 @@
-# mac = Apple PowerBook G4 laptop, c++, no MPI, FFTW 2.1.5
+# mac = Apple PowerBook G4 laptop, c++, Intel ifort, no MPI, FFTW 2.1.5
 
 SHELL = /bin/sh
 
 # ---------------------------------------------------------------------
 # compiler/linker settings
 # specify flags and libraries needed for your compiler
 
 CC =		c++
 CCFLAGS =	-O
 DEPFLAGS =	-M
 LINK =		c++
 LINKFLAGS =	-O
 LIB =           
 ARCHIVE =	ar
 ARFLAGS =	-rc
 SIZE =		size
 
 # ---------------------------------------------------------------------
 # LAMMPS-specific settings
 # specify settings for LAMMPS features you will use
 
 # LAMMPS ifdef options, see doc/Section_start.html
 
 LMP_INC =	-DLAMMPS_GZIP
 
 # MPI library, can be src/STUBS dummy lib
 # INC = path for mpi.h, MPI compiler settings
 # PATH = path for MPI library
 # LIB = name of MPI library
 
 MPI_INC =       -I../STUBS
 MPI_PATH =	-L../STUBS
 MPI_LIB =	-lmpi
 
 # FFT library, can be -DFFT_NONE if not using PPPM from KSPACE package
 # INC = -DFFT_FFTW, -DFFT_INTEL, -DFFT_NONE, etc, FFT compiler settings
 # PATH = path for FFT library
 # LIB = name of FFT library
 
 FFT_INC =       -DFFT_FFTW
 FFT_PATH = 
 FFT_LIB =	-lfftw
 
 # additional system libraries needed by LAMMPS package libraries
 # these settings are IGNORED if the corresponding LAMMPS package
 #   (e.g. gpu, meam) is NOT included in the LAMMPS build
 # SYSLIB = names of libraries
 # SYSPATH = paths of libraries
 
 gpu_SYSLIB =       -lcudart
 meam_SYSLIB =      -lifcore -lsvml -lompstub -limf
 reax_SYSLIB =      -lifcore -lsvml -lompstub -limf
 user-atc_SYSLIB =  -lblas -llapack
 
 gpu_SYSPATH =      -L/usr/local/cuda/lib64
 meam_SYSPATH =     -L/opt/intel/fce/10.0.023/lib
 reax_SYSPATH =     -L/opt/intel/fce/10.0.023/lib
 user-atc_SYSPATH = 	
 
 # ---------------------------------------------------------------------
 # build rules and dependencies
 # no need to edit this section
 
 include	Makefile.package
 
 EXTRA_INC = $(LMP_INC) $(PKG_INC) $(MPI_INC) $(FFT_INC)
 EXTRA_PATH = $(PKG_PATH) $(MPI_PATH) $(FFT_PATH) $(PKG_SYSPATH)
 EXTRA_LIB = $(PKG_LIB) $(MPI_LIB) $(FFT_LIB) $(PKG_SYSLIB)
 
 # Link target
 
 $(EXE):	$(OBJ)
 	$(LINK) $(LINKFLAGS) $(EXTRA_PATH) $(OBJ) $(EXTRA_LIB) $(LIB) -o $(EXE)
 	$(SIZE) $(EXE)
 
 # Library target
 
 lib:	$(OBJ)
 	$(ARCHIVE) $(ARFLAGS) $(EXE) $(OBJ)
 
 # Compilation rules
 
 %.o:%.cpp
 	$(CC) $(CCFLAGS) $(EXTRA_INC) -c $<
 
 %.d:%.cpp
 	$(CC) $(CCFLAGS) $(EXTRA_INC) $(DEPFLAGS) $< > $@
 
 # Individual dependencies
 
 DEPENDS = $(OBJ:.o=.d)
 include $(DEPENDS)
diff --git a/src/MAKE/Makefile.mac_mpi b/src/MAKE/Makefile.mac_mpi
index db60bd2e8..dfe88546c 100755
--- a/src/MAKE/Makefile.mac_mpi
+++ b/src/MAKE/Makefile.mac_mpi
@@ -1,96 +1,96 @@
-# mac_mpi = Apple PowerBook G4 laptop, mpic++, fink LAM/MPI, fink FFTW 2.1.5
+# mac_mpi = Apple PowerBook G4 laptop, mpic++, gfortran, fink LAM/MPI, fink FFTW 2.1.5
 
 SHELL = /bin/sh
 
 # ---------------------------------------------------------------------
 # compiler/linker settings
 # generally no need to edit this section
 # unless additional compiler/linker flags or libraries needed for your machine
 
 CC =		mpic++
 CCFLAGS =	-O -MMD -MG
 DEPFLAGS =	-M
 LINK =		mpic++
 LINKFLAGS =	-O
 LIB =           
 ARCHIVE =	ar
 ARFLAGS =	-rc
 SIZE =		size
 
 # ---------------------------------------------------------------------
 # LAMMPS-specific settings
 # edit as needed for your machine
 
 # LAMMPS ifdef options, see doc/Section_start.html
 
 LMP_INC =	-DLAMMPS_GZIP
 
 # MPI library, can be src/STUBS dummy lib
 # INC = path for mpi.h, MPI compiler settings
 # PATH = path for MPI library
 # LIB = name of MPI library
 
 MPI_INC =       -DOMPI_SKIP_MPICXX
 MPI_PATH =	
 MPI_LIB =	
 
 # FFT library, can be -DFFT_NONE if not using PPPM from kspace package
 # INC = -DFFT_FFTW, -DFFT_INTEL, -DFFT_NONE, etc, FFT compiler settings
 # PATH = path for FFT library
 # LIB = name of FFT library
 
 FFTW =	/sw
 
 FFT_INC =       -DFFT_FFTW -I${FFTW}/include
 FFT_PATH =	-L${FFTW}/lib
 FFT_LIB =	-lfftw
 
 # additional system libraries needed by LAMMPS package libraries
 # these settings are IGNORED if the corresponding LAMMPS package
 #   (e.g. gpu, meam) is NOT included in the LAMMPS build
 # SYSLIB = names of libraries
 # SYSPATH = paths of libraries
 
 gpu_SYSLIB =       -lcudart
 meam_SYSLIB =      -lgfortran
 reax_SYSLIB =      -lgfortran
 user-atc_SYSLIB =  -lblas -llapack
 
 gpu_SYSPATH =      -L/usr/local/cuda/lib64
 meam_SYSPATH =     -L/usr/lib
 reax_SYSPATH =     -L/usr/lib
 user-atc_SYSPATH = 	
 
 # ---------------------------------------------------------------------
 # build rules and dependencies
 # no need to edit this section
 
 include	Makefile.package
 
 EXTRA_INC = $(LMP_INC) $(PKG_INC) $(MPI_INC) $(FFT_INC)
 EXTRA_PATH = $(PKG_PATH) $(MPI_PATH) $(FFT_PATH) $(PKG_SYSPATH)
 EXTRA_LIB = $(PKG_LIB) $(MPI_LIB) $(FFT_LIB) $(PKG_SYSLIB)
 
 # Link target
 
 $(EXE):	$(OBJ)
 	$(LINK) $(LINKFLAGS) $(EXTRA_PATH) $(OBJ) $(EXTRA_LIB) $(LIB) -o $(EXE)
 	$(SIZE) $(EXE)
 
 # Library target
 
 lib:	$(OBJ)
 	$(ARCHIVE) $(ARFLAGS) $(EXE) $(OBJ)
 
 # Compilation rules
 
 %.o:%.cpp
 	$(CC) $(CCFLAGS) $(EXTRA_INC) -c $<
 
 %.d:%.cpp
 	$(CC) $(CCFLAGS) $(EXTRA_INC) $(DEPFLAGS) $< > $@
 
 # Individual dependencies
 
 DEPENDS = $(OBJ:.o=.d)
 include $(DEPENDS)