diff -r -U4 qcl-0.6.2/Makefile qcl-0.6.2.new/Makefile
--- qcl-0.6.2/Makefile	2006-05-18 15:20:15.000000000 +0200
+++ qcl-0.6.2.new/Makefile	2006-09-21 02:42:51.000000000 +0200
@@ -29,11 +29,12 @@
 #ARCHOPT = -m32 -march=i686
 
 # Debugging and optimization options
 
+OPT = -g -O2
 #DEBUG = -g -pg -DQCL_DEBUG -DQC_DEBUG
 #DEBUG = -g -DQCL_DEBUG -DQC_DEBUG
-DEBUG = -O2 -g -DQCL_DEBUG -DQC_DEBUG
+DEBUG = $(OPT) -DQCL_DEBUG -DQC_DEBUG
 #DEBUG = -O2
 
 # Plotting support 
 #
diff -r -U4 qcl-0.6.2/qc/Makefile qcl-0.6.2.new/qc/Makefile
--- qcl-0.6.2/qc/Makefile	2006-05-18 15:20:15.000000000 +0200
+++ qcl-0.6.2.new/qc/Makefile	2006-09-21 02:41:51.000000000 +0200
@@ -15,9 +15,10 @@
 #ARCHOPT = -m32 -march=i686
 
 # Debugging options
 
-DEBUG = -g -O2 -DQC_DEBUG
+OPT = -g -O2
+DEBUG = $(OPT) -DQC_DEBUG
 #DEBUG = -g -pg -DQC_DEBUG
 #DEBUG = -O2
 
 # Comment out if you if you want to use SysV Xrand48() linear congruential