CSparse/Lib/Makefile           |    2 +-
 CXSparse/Lib/Makefile          |    2 +-
 CXSparse_newfiles/Lib/Makefile |    2 +-
 UFconfig/UFconfig.mk           |    4 ++--
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/CSparse/Lib/Makefile b/CSparse/Lib/Makefile
index 435e15f..e9fec76 100644
--- a/CSparse/Lib/Makefile
+++ b/CSparse/Lib/Makefile
@@ -1,6 +1,6 @@
 # Modify the "-O" optimization option for best performance (-O3 on Linux):
 CC = cc
-CFLAGS = -O -I../Include
+CFLAGS = -O -I../Include -fPIC
 
 AR = ar cr
 RANLIB = ranlib
diff --git a/CXSparse/Lib/Makefile b/CXSparse/Lib/Makefile
index c937956..165c3d2 100644
--- a/CXSparse/Lib/Makefile
+++ b/CXSparse/Lib/Makefile
@@ -1,6 +1,6 @@
 # Modify the "-O" optimization option for best performance (-O3 on Linux):
 CC = cc
-CFLAGS = -O
+CFLAGS = -O -fPIC
 I = -I../../UFconfig -I../Include
 
 AR = ar cr
diff --git a/CXSparse_newfiles/Lib/Makefile b/CXSparse_newfiles/Lib/Makefile
index c937956..165c3d2 100644
--- a/CXSparse_newfiles/Lib/Makefile
+++ b/CXSparse_newfiles/Lib/Makefile
@@ -1,6 +1,6 @@
 # Modify the "-O" optimization option for best performance (-O3 on Linux):
 CC = cc
-CFLAGS = -O
+CFLAGS = -O -fPIC
 I = -I../../UFconfig -I../Include
 
 AR = ar cr
diff --git a/UFconfig/UFconfig.mk b/UFconfig/UFconfig.mk
index 5f4f8e2..670c3b4 100644
--- a/UFconfig/UFconfig.mk
+++ b/UFconfig/UFconfig.mk
@@ -33,7 +33,7 @@
 # performance.  You should select the optimization parameters that are best
 # for your system.  On Linux, use "CFLAGS = -O3 -fexceptions" for example.
 CC = cc
-CFLAGS = -O
+CFLAGS = -O -fPIC
 
 # ranlib, and ar, for generating libraries
 RANLIB = ranlib
@@ -184,7 +184,7 @@ CHOLMOD_CONFIG =
 
 # Using default compilers:
 # CC = gcc
-CFLAGS = -O3
+CFLAGS = -O3 -fPIC
 
 # alternatives:
 # CFLAGS = -g -fexceptions \