--- SuiteSparse_config/SuiteSparse_config.mk.orig	2014-08-16 21:22:58.000000000 +0200
+++ SuiteSparse_config/SuiteSparse_config.mk	2014-10-01 17:06:23.286761684 +0200
@@ -69,7 +69,7 @@
 # C and C++ compiler flags.  The first three are standard for *.c and *.cpp
 # Add -DNTIMER if you do use any timing routines (otherwise -lrt is required).
 # CF = $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -O3 -fexceptions -fPIC -DNTIMER
-  CF = $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -O3 -fexceptions -fPIC
+CF = $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -fPIC
 # for the MKL BLAS:
 # CF = $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -O3 -fexceptions -fPIC -I$(MKLROOT)/include -D_GNU_SOURCE
 
@@ -84,7 +84,7 @@
 
 # Fortran compiler (not required for 'make' or 'make library')
 F77 = gfortran
-F77FLAGS = $(FFLAGS) -O
+F77FLAGS = $(FFLAGS)
 F77LIB =
 
 # C and Fortran libraries.  Remove -lrt if you don't have it.
@@ -93,8 +93,9 @@
 # LIB = -lm
 
 # For "make install"
-INSTALL_LIB = /usr/local/lib
-INSTALL_INCLUDE = /usr/local/include
+INSTALL_PREFIX = /usr
+INSTALL_LIB = $(INSTALL_PREFIX)/lib
+INSTALL_INCLUDE = $(INSTALL_PREFIX)/include
 
 # Which version of MAKE you are using (default is "make")
 # MAKE = make
@@ -210,8 +211,8 @@
 # The path is relative to where it is used, in CHOLMOD/Lib, CHOLMOD/MATLAB, etc.
 # You may wish to use an absolute path.  METIS is optional.  Compile
 # CHOLMOD with -DNPARTITION if you do not wish to use METIS.
-METIS_PATH = ../../metis-4.0
-METIS = ../../metis-4.0/libmetis.a
+METIS_PATH = /usr/include/metis
+METIS = -lmetis
 
 #------------------------------------------------------------------------------
 # UMFPACK configuration: