Rename CPPFLAGS to CXXFLAGS and DUMA_OPTIONS to CPPFLAGS as that's intended for the preprocessor AFAIK. Respect users AR, LD, CC, CXX, CXXFLAGS, CFLAGS, LDFLAGSand RANLIB. Fix building with GLIBC 2.10+ by working around the souce fortifying.

diff -ur duma_2_5_15.orig/comparisons/ex11/Makefile duma_2_5_15/comparisons/ex11/Makefile
--- duma_2_5_15.orig/comparisons/ex11/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex11/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include duma.h
+CFLAGS +=-I$(DUMADIR) -include stdlib.h -include duma.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=wrong1
 OBJ=$(BIN).o
@@ -21,8 +21,8 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CC) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .c.o:
-	$(CC) $(CFLAGS) -c $< -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
 
diff -ur duma_2_5_15.orig/comparisons/ex12/Makefile duma_2_5_15/comparisons/ex12/Makefile
--- duma_2_5_15.orig/comparisons/ex12/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex12/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include duma.h
+CFLAGS +=-I$(DUMADIR) -include stdlib.h -include duma.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=wrong3
 OBJ=$(BIN).o
@@ -21,8 +21,8 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CC) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .c.o:
-	$(CC) $(CFLAGS) -c $< -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
 
diff -ur duma_2_5_15.orig/comparisons/ex13/Makefile duma_2_5_15/comparisons/ex13/Makefile
--- duma_2_5_15.orig/comparisons/ex13/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex13/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include duma.h
+CFLAGS +=-I$(DUMADIR) -include stdlib.h -include duma.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=wrong6
 OBJ=$(BIN).o
@@ -21,8 +21,8 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CC) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .c.o:
-	$(CC) $(CFLAGS) -c $< -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
 
diff -ur duma_2_5_15.orig/comparisons/ex14/Makefile duma_2_5_15/comparisons/ex14/Makefile
--- duma_2_5_15.orig/comparisons/ex14/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex14/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include duma.h
+CFLAGS +=-I$(DUMADIR) -include stdlib.h -include duma.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=wrong7
 OBJ=$(BIN).o
@@ -21,8 +21,8 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CC) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .c.o:
-	$(CC) $(CFLAGS) -c $< -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
 
diff -ur duma_2_5_15.orig/comparisons/ex15/Makefile duma_2_5_15/comparisons/ex15/Makefile
--- duma_2_5_15.orig/comparisons/ex15/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex15/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include duma.h
+CFLAGS +=-I$(DUMADIR) -include stdlib.h -include duma.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=leak1
 OBJ=$(BIN).o
@@ -21,8 +21,8 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CC) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .c.o:
-	$(CC) $(CFLAGS) -c $< -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
 
diff -ur duma_2_5_15.orig/comparisons/ex16/Makefile duma_2_5_15/comparisons/ex16/Makefile
--- duma_2_5_15.orig/comparisons/ex16/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex16/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include duma.h
+CFLAGS +=-I$(DUMADIR) -include stdlib.h -include duma.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=leak2
 OBJ=$(BIN).o
@@ -21,8 +21,8 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CC) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .c.o:
-	$(CC) $(CFLAGS) -c $< -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
 
diff -ur duma_2_5_15.orig/comparisons/ex17/Makefile duma_2_5_15/comparisons/ex17/Makefile
--- duma_2_5_15.orig/comparisons/ex17/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex17/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include duma.h
+CFLAGS +=-I$(DUMADIR) -include stdlib.h -include duma.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=ok5
 OBJ=$(BIN).o
@@ -21,8 +21,8 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CC) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .c.o:
-	$(CC) $(CFLAGS) -c $< -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
 
diff -ur duma_2_5_15.orig/comparisons/ex21/Makefile duma_2_5_15/comparisons/ex21/Makefile
--- duma_2_5_15.orig/comparisons/ex21/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex21/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
+CXXFLAGS += -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=wrong1
 OBJ=$(BIN).o
@@ -21,7 +21,7 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .cc.o:
 	$(CXX) $(LDFLAGS) $(CXXFLAGS) -c $< -o $@
diff -ur duma_2_5_15.orig/comparisons/ex22/Makefile duma_2_5_15/comparisons/ex22/Makefile
--- duma_2_5_15.orig/comparisons/ex22/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex22/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
+CXXFLAGS += -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=wrong2
 OBJ=$(BIN).o
@@ -21,7 +21,7 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .cc.o:
 	$(CXX) $(LDFLAGS) $(CXXFLAGS) -c $< -o $@
diff -ur duma_2_5_15.orig/comparisons/ex23/Makefile duma_2_5_15/comparisons/ex23/Makefile
--- duma_2_5_15.orig/comparisons/ex23/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex23/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
+CXXFLAGS += -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=wrong3
 OBJ=$(BIN).o
@@ -21,7 +21,7 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .cc.o:
 	$(CXX) $(LDFLAGS) $(CXXFLAGS) -c $< -o $@
diff -ur duma_2_5_15.orig/comparisons/ex24/Makefile duma_2_5_15/comparisons/ex24/Makefile
--- duma_2_5_15.orig/comparisons/ex24/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex24/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
+CXXFLAGS += -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=wrong4
 OBJ=$(BIN).o
@@ -21,7 +21,7 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .cc.o:
 	$(CXX) $(LDFLAGS) $(CXXFLAGS) -c $< -o $@
diff -ur duma_2_5_15.orig/comparisons/ex25/Makefile duma_2_5_15/comparisons/ex25/Makefile
--- duma_2_5_15.orig/comparisons/ex25/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex25/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
+CXXFLAGS += -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=wrong5
 OBJ=$(BIN).o
@@ -21,7 +21,7 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .cc.o:
 	$(CXX) $(LDFLAGS) $(CXXFLAGS) -c $< -o $@
diff -ur duma_2_5_15.orig/comparisons/ex26/Makefile duma_2_5_15/comparisons/ex26/Makefile
--- duma_2_5_15.orig/comparisons/ex26/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex26/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
+CXXFLAGS += -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=wrong6
 OBJ=$(BIN).o
@@ -21,7 +21,7 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .cc.o:
 	$(CXX) $(LDFLAGS) $(CXXFLAGS) -c $< -o $@
diff -ur duma_2_5_15.orig/comparisons/ex27/Makefile duma_2_5_15/comparisons/ex27/Makefile
--- duma_2_5_15.orig/comparisons/ex27/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex27/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
+CXXFLAGS += -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=leak1
 OBJ=$(BIN).o
@@ -21,7 +21,7 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .cc.o:
 	$(CXX) $(LDFLAGS) $(CXXFLAGS) -c $< -o $@
diff -ur duma_2_5_15.orig/comparisons/ex28/Makefile duma_2_5_15/comparisons/ex28/Makefile
--- duma_2_5_15.orig/comparisons/ex28/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex28/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
+CXXFLAGS += -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=leak2
 OBJ=$(BIN).o
@@ -21,7 +21,7 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .cc.o:
 	$(CXX) $(LDFLAGS) $(CXXFLAGS) -c $< -o $@
diff -ur duma_2_5_15.orig/comparisons/ex29/Makefile duma_2_5_15/comparisons/ex29/Makefile
--- duma_2_5_15.orig/comparisons/ex29/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/comparisons/ex29/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
+CXXFLAGS += -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=ok5
 OBJ=$(BIN).o
@@ -21,7 +21,7 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .cc.o:
 	$(CXX) $(LDFLAGS) $(CXXFLAGS) -c $< -o $@
diff -ur duma_2_5_15.orig/example_makes/ex1/Makefile duma_2_5_15/example_makes/ex1/Makefile
--- duma_2_5_15.orig/example_makes/ex1/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/example_makes/ex1/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR)
+CXXFLAGS += -I$(DUMADIR)
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=example1
 OBJ=../../$(BIN).o
@@ -21,5 +21,5 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
diff -ur duma_2_5_15.orig/example_makes/ex2/Makefile duma_2_5_15/example_makes/ex2/Makefile
--- duma_2_5_15.orig/example_makes/ex2/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/example_makes/ex2/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR)
+CXXFLAGS += -I$(DUMADIR)
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=example2
 OBJ=../../$(BIN).o
@@ -21,5 +21,5 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
diff -ur duma_2_5_15.orig/example_makes/ex3/Makefile duma_2_5_15/example_makes/ex3/Makefile
--- duma_2_5_15.orig/example_makes/ex3/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/example_makes/ex3/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR)
+CXXFLAGS += -I$(DUMADIR)
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=example3
 OBJ=../../$(BIN).o
@@ -21,5 +21,5 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
diff -ur duma_2_5_15.orig/example_makes/ex4/Makefile duma_2_5_15/example_makes/ex4/Makefile
--- duma_2_5_15.orig/example_makes/ex4/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/example_makes/ex4/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR)
+CXXFLAGS += -I$(DUMADIR)
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=example4
 OBJ=../../$(BIN).o
@@ -21,5 +21,5 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
diff -ur duma_2_5_15.orig/example_makes/ex5/Makefile duma_2_5_15/example_makes/ex5/Makefile
--- duma_2_5_15.orig/example_makes/ex5/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/example_makes/ex5/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR)
+CXXFLAGS += -I$(DUMADIR)
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=example5
 OBJ=../../$(BIN).o
@@ -21,5 +21,5 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
diff -ur duma_2_5_15.orig/example_makes/ex6/Makefile duma_2_5_15/example_makes/ex6/Makefile
--- duma_2_5_15.orig/example_makes/ex6/Makefile	2009-06-22 05:27:53.000000000 +0300
+++ duma_2_5_15/example_makes/ex6/Makefile	2009-06-22 05:35:37.000000000 +0300
@@ -1,6 +1,6 @@
 
 DUMADIR=../..
-CPPFLAGS=-g -O0 -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
+CXXFLAGS += -I$(DUMADIR) -include stdlib.h -include new -include dumapp.h
 LFLAGS=$(DUMADIR)/libduma.a
 ifeq ($(OS), Windows_NT)
   LIBS=
@@ -8,8 +8,8 @@
   LIBS=-lpthread
 endif
 
-CC=gcc
-CXX=g++
+CC ?= gcc
+CXX ?= g++
 
 BIN=example6
 OBJ=../../$(BIN).o
@@ -21,7 +21,7 @@
 	- rm -f $(OBJ) $(BIN)
 
 $(BIN): $(OBJ)
-	$(CXX) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) $(OBJ) $(LFLAGS) $(LIBS) -o $(BIN)
 
 .cpp.o:
 	$(CXX) $(LDFLAGS) $(CXXFLAGS) -c $< -o $@
diff -ur duma_2_5_15.orig/GNUmakefile duma_2_5_15/GNUmakefile
--- duma_2_5_15.orig/GNUmakefile	2008-08-03 22:22:38.000000000 +0300
+++ duma_2_5_15/GNUmakefile	2009-06-22 05:57:24.000000000 +0300
@@ -65,38 +65,35 @@
 #
 ########################################
 
-# edit following line
-DUMA_OPTIONS=
-
 # no leak detection on any platform:
 # use static library for finding leaks - with information memory was allocated
 # i think leak-checking without further information is quite useless!
 # additionaly too many platforms/environments are broken.
-DUMA_OPTIONS += -DDUMA_SO_NO_LEAKDETECTION
+CPPFLAGS += -DDUMA_SO_NO_LEAKDETECTION $(DUMA_OPTIONS)
 
 # some test cases:
-#DUMA_OPTIONS += -DDUMA_LIB_NO_LEAKDETECTION
-#DUMA_OPTIONS += -DDUMA_NO_THREAD_SAFETY
-#DUMA_OPTIONS += -DDUMA_NO_CPP_SUPPORT
+#CPPFLAGS += -DDUMA_LIB_NO_LEAKDETECTION
+#CPPFLAGS += -DDUMA_NO_THREAD_SAFETY
+#CPPFLAGS += -DDUMA_NO_CPP_SUPPORT
 
-PIC=-fPIC -DPIC
-DUMA_SO_OPTIONS=$(PIC) -DDUMA_SO_LIBRARY
+# For shared linking,
+LFLAGS = -fPIC -DPIC -DDUMA_SO_LIBRARY
 
 # for FreeBSD 5.4
-# DUMA_OPTIONS += -DPAGE_PROTECTION_VIOLATED_SIGNAL=SIGBUS
+# CPPFLAGS += -DPAGE_PROTECTION_VIOLATED_SIGNAL=SIGBUS
 #
 # for FreeBSD 5.4 if DUMA_EXPLICIT_INIT is not set
-# DUMA_OPTIONS += -DDUMA_NO_LEAKDETECTION
+# CPPFLAGS += -DDUMA_NO_LEAKDETECTION
 #
 # for cygwin environment on Windows
-# DUMA_OPTIONS += -DDUMA_EXPLICIT_INIT
+# CPPFLAGS += -DDUMA_EXPLICIT_INIT
 # also define 'WIN32'
 
 # some defaults:
-CC=gcc
-CXX=g++
-AR=ar
-RANLIB=ranlib
+CC?=gcc
+CXX?=g++
+AR?=ar
+RANLIB?=ranlib
 INSTALL=install
 RM=rm
 RMFORCE=rm -f
@@ -116,7 +113,7 @@
     # using explicit initialization to avoid leak report
     # from __w32_sharedptr_initialize() function
     BSWITCH=101
-    DUMA_OPTIONS += -DDUMA_EXPLICIT_INIT
+    CPPFLAGS += -DDUMA_EXPLICIT_INIT
     RM=del
     RMFORCE=del /F 2>nul
     ECHO=echo
@@ -124,31 +121,25 @@
     CURPATH=
     DUMA_DYN_DEPS=
     DUMASO=
-    CFLAGS=-g -O0
-    CPPFLAGS=-g -O0
     LIBS=
     EXEPOSTFIX=.exe
   endif
   ifeq ($(OSTYPE), cygwin)
     # call make OSTYPE=cygwin
     BSWITCH=102
-    DUMA_OPTIONS += -DDUMA_EXPLICIT_INIT
+    CPPFLAGS += -DWIN32 -DDUMA_EXPLICIT_INIT
     CURPATH=./
     DUMA_DYN_DEPS=
     DUMASO=
-    CFLAGS=-g -O0 -DWIN32 -Wall -Wextra
-    CPPFLAGS=-g -O0 -DWIN32 -Wall -Wextra
     LIBS=
     EXEPOSTFIX=.exe
   endif
   ifndef BSWITCH
     BSWITCH=100
-    DUMA_OPTIONS += -DDUMA_EXPLICIT_INIT
+    CPPFLAGS += -DWIN32 -DDUMA_EXPLICIT_INIT
     CURPATH=./
     DUMA_DYN_DEPS=
     DUMASO=
-    CFLAGS=-g -O0 -DWIN32
-    CPPFLAGS=-g -O0 -DWIN32
     LIBS=
     EXEPOSTFIX=.exe
   endif
@@ -158,29 +149,23 @@
   # tested on darwin 8.0, which is the base for mac-osx
   # call: make OS=osx
   BSWITCH=210
-  DUMA_OPTIONS += -DPAGE_PROTECTION_VIOLATED_SIGNAL=SIGBUS
-  DUMA_OPTIONS += -DDUMA_SO_PREFER_GETENV
-#  DUMA_OPTIONS += -DDUMA_LIB_NO_LEAKDETECTION
+  CPPFLAGS += -DPAGE_PROTECTION_VIOLATED_SIGNAL=SIGBUS -DDUMA_SO_PREFER_GETENV
+#  CPPFLAGS += -DDUMA_LIB_NO_LEAKDETECTION
   CURPATH=./
 #  DUMA_DYN_DEPS=
   DUMASO=libduma.dylib
   DUMASO_LINK1=libduma.dylib
-  CFLAGS=-g -O0
-  CPPFLAGS=-g -O0
   LIBS=-lpthread
   EXEPOSTFIX=
 endif
 
 ifeq ($(OS), freebsd)
   BSWITCH=310
-  DUMA_OPTIONS += -DDUMA_NO_THREAD_SAFETY
-  DUMA_OPTIONS += -DDUMA_EXPLICIT_INIT
+  CPPFLAGS += -DDUMA_NO_THREAD_SAFETY -DDUMA_EXPLICIT_INIT
   CURPATH=./
   DUMA_DYN_DEPS=
   DUMASO=
   DUMASO_LINK1=
-  CFLAGS=-g -O0
-  CPPFLAGS=-g -O0
   LIBS=-lpthread
   EXEPOSTFIX=
 endif
@@ -191,25 +176,19 @@
   DUMASO=libduma.so.0.0.0
   DUMASO_LINK1=libduma.so.0
   DUMASO_LINK2=libduma.so
-  CFLAGS=-g -O0
-  CPPFLAGS=-g -O0
   LIBS=-lpthread
   EXEPOSTFIX=
 endif
 
 ifeq ($(OS), solaris)
   BSWITCH=410
-  DUMA_OPTIONS += -DDUMA_NO_STRERROR
+  CPPFLAGS += -DDUMA_NO_STRERROR
   CURPATH=./
   DUMA_DYN_DEPS=
   DUMASO=libduma.so.0.0.0
   DUMASO_LINK1=libduma.so.0
   DUMASO_LINK2=libduma.so
-  CFLAGS=-g -O0
-  CPPFLAGS=-g -O0
-  LDFLAGS += -lgcc_s
-  LDOPTIONS += -lgcc_s
-  LIBS=-Wl,-R/opt/sfw/lib -lpthread
+  LIBS=-lgcc_s -Wl,-R/opt/sfw/lib -lpthread
   EXEPOSTFIX=
 endif
 
@@ -220,8 +199,6 @@
   DUMASO=libduma.so.0.0.0
   DUMASO_LINK1=libduma.so.0
   DUMASO_LINK2=libduma.so
-  CFLAGS=-g -O0 -Wall -Wextra
-  CPPFLAGS=-g -O0 -Wall -Wextra
   LIBS=-lpthread
   EXEPOSTFIX=
 endif
@@ -234,8 +211,6 @@
   DUMASO=libduma.so.0.0.0
   DUMASO_LINK1=libduma.so.0
   DUMASO_LINK2=libduma.so
-  CFLAGS=-g -O0 -Wall -Wextra
-  CPPFLAGS=-g -O0 -Wall -Wextra
   LIBS=-lpthread
   EXEPOSTFIX=
 endif
@@ -243,9 +218,6 @@
 
 ############################################################
 
-MAN_INSTALL_DIR=$(prefix)/share/man/man3
-DOC_INSTALL_DIR=$(prefix)/share/doc/duma
-
 ifndef srcdir
   srcdir=.
   $(info using default srcdir [$(srcdir)])
@@ -271,6 +243,10 @@
   datadir=$(prefix)/share
 endif
 
+ifndef mandir
+  mandir=$(datadir)/man
+endif
+
 # The directory for installing read-only data files that pertain to a single machine--that is to say, files for configuring a host.
 ifndef sysconfdir
   sysconfdir=$(prefix)/etc
@@ -286,6 +262,9 @@
   includedir=$(prefix)/include
 endif
 
+ifndef docdir
+  docdir=$(datadir)/doc/duma
+endif
 
 PACKAGE_SOURCE=README.txt CHANGELOG COPYING-GPL COPYING-LGPL duma.3 Makefile gdbinit.rc \
 	duma.h dumapp.h duma_sem.h paging.h print.h duma_hlp.h noduma.h \
@@ -344,6 +323,8 @@
 	@echo exec_prefix     [$(exec_prefix)]
 	@echo bindir          [$(bindir)]
 	@echo datadir         [$(datadir)]
+	@echo mandir          [$(mandir)]
+	@echo docdir          [$(docdir)]
 	@echo sysconfdir      [$(sysconfdir)]
 	@echo libdir          [$(libdir)]
 	@echo includedir      [$(includedir)]
@@ -352,12 +333,11 @@
 else
 	@echo oldincludedir empty
 endif
-	@echo MAN_INSTALL_DIR [$(MAN_INSTALL_DIR)]
-	@echo DOC_INSTALL_DIR [$(DOC_INSTALL_DIR)]
 	@echo MAKE            [$(MAKE)]
 	@echo CC              [$(CC)]
 	@echo CFLAGS          [$(CFLAGS)]
 	@echo CXX             [$(CXX)]
+	@echo CXXFLAGS        [$(CXXFLAGS)]
 	@echo CPPFLAGS        [$(CPPFLAGS)]
 	@echo LD              [$(LD)]
 	@echo AR              [$(AR)]
@@ -368,11 +348,9 @@
 	@echo RMFORCE         [$(RMFORCE)]
 	@echo ECHO            [$(ECHO)]
 	@echo ECHOLF          [$(ECHOLF)]
-	@echo PIC             [$(PIC)]
+	@echo LFLAGS          [$(LFLAGS)]
 	@echo EXEPOSTFIX      [$(EXEPOSTFIX)]
 	@echo CURPATH         [$(CURPATH)]
-	@echo DUMA_OPTIONS    [$(DUMA_OPTIONS)]
-	@echo DUMA_SO_OPTIONS [$(DUMA_SO_OPTIONS)]
 	@echo OBJECTS         [$(OBJECTS)]
 	@echo SO_OBJECTS      [$(SO_OBJECTS)]
 	@echo DUMASO          [$(DUMASO)]
@@ -386,8 +364,8 @@
 # commands; copy any auxiliary files that the executable uses into the
 # directories where it will look for them.
 install: libduma.a duma.3 $(DUMASO)
-	- mkdir -p $(DOC_INSTALL_DIR)
-	$(INSTALL) -m 644 README.txt $(DOC_INSTALL_DIR)
+	- mkdir -p $(docdir)
+	$(INSTALL) -m 644 README.txt $(docdir)
 	- mkdir -p $(includedir)
 	$(INSTALL) -m 644 noduma.h duma.h dumapp.h duma_sem.h duma_config.h $(includedir)
 	- mkdir -p $(bindir)
@@ -405,13 +383,13 @@
 	- $(RMFORCE) $(libdir)/$(DUMASO_LINK2)
 	ln -s $(DUMASO) $(libdir)/$(DUMASO_LINK2)
 endif
-	- mkdir -p $(MAN_INSTALL_DIR)
-	$(INSTALL) -m 644 duma.3 $(MAN_INSTALL_DIR)/duma.3
+	- mkdir -p $(mandir)/man3
+	$(INSTALL) -m 644 duma.3 $(mandir)/man3/duma.3
 
 
 # Delete all the installed files that the `install' target would create
 uninstall:
-	- $(RMFORCE) $(DOC_INSTALL_DIR)/README.txt
+	- $(RMFORCE) $(docdir)/README.txt
 	- $(RMFORCE) $(includedir)/noduma.h
 	- $(RMFORCE) $(includedir)/duma.h
 	- $(RMFORCE) $(includedir)/dumapp.h
@@ -428,7 +406,7 @@
 ifdef DUMASO_LINK2
 	- $(RMFORCE) $(libdir)/$(DUMASO_LINK2)
 endif
-	- $(RMFORCE) $(MAN_INSTALL_DIR)/duma.3
+	- $(RMFORCE) $(mandir)/man3/duma.3
 
 
 # Delete all files that are normally created by running make.
@@ -471,39 +449,39 @@
 
 createconf$(EXEPOSTFIX): createconf.o
 	- $(RMFORCE) createconf$(EXEPOSTFIX)
-	$(CC) $(CFLAGS) $(DUMA_OPTIONS) createconf.o -o createconf$(EXEPOSTFIX)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) createconf.o -o createconf$(EXEPOSTFIX)
 
 tstheap$(EXEPOSTFIX): libduma.a tstheap.o
 	- $(RMFORCE) tstheap$(EXEPOSTFIX)
-	$(CC) $(CFLAGS) tstheap.o libduma.a -o tstheap$(EXEPOSTFIX) $(LIBS)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) tstheap.o libduma.a -o tstheap$(EXEPOSTFIX) $(LIBS)
 
 dumatest$(EXEPOSTFIX): libduma.a dumatest.o
 	- $(RMFORCE) dumatest$(EXEPOSTFIX)
-	$(CC) $(CFLAGS) dumatest.o libduma.a -o dumatest$(EXEPOSTFIX) $(LIBS)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) dumatest.o libduma.a -o dumatest$(EXEPOSTFIX) $(LIBS)
 
 dumatestpp$(EXEPOSTFIX): libduma.a dumatestpp.o duma_sem.h dumapp.h
 	- $(RMFORCE) dumatestpp$(EXEPOSTFIX)
-	$(CXX) $(CPPFLAGS) dumatestpp.o libduma.a -o dumatestpp$(EXEPOSTFIX) $(LIBS)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) dumatestpp.o libduma.a -o dumatestpp$(EXEPOSTFIX) $(LIBS)
 
 thread-test$(EXEPOSTFIX): libduma.a thread-test.o
 	- $(RMFORCE) thread-test$(EXEPOSTFIX)
-	$(CC) $(CFLAGS) thread-test.o libduma.a -o thread-test$(EXEPOSTFIX) $(LIBS)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) thread-test.o libduma.a -o thread-test$(EXEPOSTFIX) $(LIBS)
 
 testmt$(EXEPOSTFIX): libduma.a testmt.o
 	- $(RMFORCE) testmt$(EXEPOSTFIX)
-	$(CC) $(CFLAGS) testmt.o libduma.a -o testmt$(EXEPOSTFIX) $(LIBS)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) testmt.o libduma.a -o testmt$(EXEPOSTFIX) $(LIBS)
 
 testoperators$(EXEPOSTFIX): libduma.a testoperators.o duma_sem.h dumapp.h
 	- $(RMFORCE) testoperators$(EXEPOSTFIX)
-	$(CXX) $(CPPFLAGS) testoperators.o libduma.a -o testoperators$(EXEPOSTFIX) $(LIBS)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) testoperators.o libduma.a -o testoperators$(EXEPOSTFIX) $(LIBS)
 
 tstheap_so$(EXEPOSTFIX): tstheap_so.o
 	- $(RMFORCE) tstheap_so$(EXEPOSTFIX)
-	$(CC) $(CFLAGS) tstheap_so.o -o tstheap_so$(EXEPOSTFIX) $(LIBS)
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) tstheap_so.o -o tstheap_so$(EXEPOSTFIX) $(LIBS)
 
 dumatestpp_so$(EXEPOSTFIX): dumatestpp_so.o
 	- $(RMFORCE) dumatestpp_so$(EXEPOSTFIX)
-	$(CXX) $(CPPFLAGS) dumatestpp_so.o -o dumatestpp_so$(EXEPOSTFIX) $(LIBS)
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) dumatestpp_so.o -o dumatestpp_so$(EXEPOSTFIX) $(LIBS)
 
 
 $(OBJECTS) tstheap.o dumatest.o thread-test.o testmt.o dumatestpp.o: duma.h
@@ -514,14 +492,14 @@
   ifeq ($(OS), osx)
 
 $(DUMASO): duma_config.h $(SO_OBJECTS)
-	$(CXX) -g -dynamiclib -Wl -o $(DUMASO) $(SO_OBJECTS) -lpthread -lc
-	$(CXX) -g -dynamiclib -o $(DUMASO) $(SO_OBJECTS) -lpthread -lc
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) -dynamiclib -Wl -o $(DUMASO) $(SO_OBJECTS) -lpthread -lc
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) -dynamiclib -o $(DUMASO) $(SO_OBJECTS) -lpthread -lc
 
   else
 
 $(DUMASO): duma_config.h $(SO_OBJECTS)
-	$(CXX) -g -shared -Wl,-soname,$(DUMASO) -o $(DUMASO) $(SO_OBJECTS) -lpthread -lc
-#	$(CXX) -g -shared -o $(DUMASO) $(SO_OBJECTS) -lpthread -lc
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) -shared -Wl,-soname,$(DUMASO) -o $(DUMASO) $(SO_OBJECTS) -lpthread -lc
+#	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) -shared -o $(DUMASO) $(SO_OBJECTS) -lpthread -lc
 
   endif
 
@@ -532,7 +510,7 @@
 # define rules how to build objects for createconf
 #
 createconf.o:
-	$(CC) $(CFLAGS) $(DUMA_OPTIONS) -c createconf.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c createconf.c -o $@
 
 
 #
@@ -540,39 +518,39 @@
 #
 
 dumapp_so.o:	dumapp.cpp duma.h duma_sem.h dumapp.h
-	$(CXX) $(CPPFLAGS) $(DUMA_SO_OPTIONS) -c dumapp.cpp -o $@
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(LFLAGS) -c dumapp.cpp -o $@
 
 duma_so.o:	duma.c duma.h duma_config.h
-	$(CC) $(CFLAGS) $(DUMA_SO_OPTIONS) -c duma.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(LFLAGS) -c duma.c -o $@
 
 sem_inc_so.o:	sem_inc.c duma_sem.h
-	$(CC) $(CFLAGS) $(DUMA_SO_OPTIONS) -c sem_inc.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(LFLAGS) -c sem_inc.c -o $@
 
 print_so.o:	print.c print.h
-	$(CC) $(CFLAGS) $(DUMA_SO_OPTIONS) -c print.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(LFLAGS) -c print.c -o $@
 
-# DUMA_SO_OPTIONS needed cause duma.h is included explicitly
+# LFLAGS needed cause duma.h is included explicitly
 tstheap_so.o:
-	$(CC) $(CFLAGS) $(DUMA_SO_OPTIONS) -c tstheap.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(LFLAGS) -c tstheap.c -o $@
 
 dumatestpp_so.o:
-	$(CXX) $(CPPFLAGS) $(DUMA_SO_OPTIONS) -c dumatestpp.cpp -o $@
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(LFLAGS) -c dumatestpp.cpp -o $@
 
 #
 # define rules how to build objects for static library
 #
 
 dumapp.o:	dumapp.cpp duma.h duma_sem.h dumapp.h
-	$(CXX) $(CPPFLAGS) -c dumapp.cpp -o $@
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) -c dumapp.cpp -o $@
 
 duma.o:	duma.c duma.h duma_config.h
-	$(CC) $(CFLAGS) -c duma.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c duma.c -o $@
 
 sem_inc.o:	sem_inc.c duma_sem.h
-	$(CC) $(CFLAGS) -c sem_inc.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c sem_inc.c -o $@
 
 print.o:	print.c print.h
-	$(CC) $(CFLAGS) -c print.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c print.c -o $@
 
 
 #
@@ -580,32 +558,32 @@
 #
 
 dumatest.o:	dumatest.c duma.h duma_config.h
-	$(CC) $(CFLAGS) -c dumatest.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c dumatest.c -o $@
 
 dumatestpp.o:	dumatestpp.cpp duma.h duma_sem.h dumapp.h duma_config.h
-	$(CXX) $(CPPFLAGS) -c dumatestpp.cpp -o $@
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) -c dumatestpp.cpp -o $@
 
 tstheap.o:	tstheap.c duma.h duma_config.h
-	$(CC) $(CFLAGS) -c tstheap.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c tstheap.c -o $@
 
 testoperators.o:	testoperators.cpp duma.h duma_sem.h dumapp.h duma_config.h
-	$(CXX) $(CPPFLAGS) -c testoperators.cpp -o $@
+	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) -c testoperators.cpp -o $@
 
 thread-test.o:	thread-test.c duma.h duma_config.h
-	$(CC) $(CFLAGS) -c thread-test.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c thread-test.c -o $@
 
 testmt.o:	testmt.c duma.h duma_config.h
-	$(CC) $(CFLAGS) -c testmt.c -o $@
+	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c testmt.c -o $@
 
 
 #
 # default rules
 #
 #.c.o:
-#	$(CC) $(CFLAGS) -c $< -o $@
+#	$(CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
 #
 #.cpp.o:
-#	$(CXX) $(CPPFLAGS) -c $< -o $@
+#	$(CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@
 #
 
 .PHONY: check test installcheck install uninstall clean distclean realclean clobber dos2unix printvars
diff -ur duma_2_5_15.orig/README.txt duma_2_5_15/README.txt
--- duma_2_5_15.orig/README.txt	2009-04-07 01:26:47.000000000 +0300
+++ duma_2_5_15/README.txt	2009-06-22 05:53:14.000000000 +0300
@@ -377,7 +377,7 @@
 linenumber of the calling function. The atexit() function checks if each
 allocated memory block was freed. To disable leak detection add the
 preprocessor definition 'DUMA_SO_NO_LEAKDETECTION' or
-'DUMA_LIB_NO_LEAKDETECTION' to DUMA_OPTIONS in Makefile.
+'DUMA_LIB_NO_LEAKDETECTION' to CPPFLAGS in Makefile.
 If a leak is reported without source filename and line number but is
 reproducible with the same pointer, set a conditional breakpoint on the
 function 'void * duma_alloc_return( void * address)'
@@ -392,7 +392,7 @@
 same leak detection reports as for malloc and free. 'dumapp.h' needs to be
 included from your source file(s).
 For disabling the C++ new/delete/new[] and delete[] operators, add the
-preprocessor definition 'DUMA_NO_CPP_SUPPORT' to DUMA_OPTIONS in Makefile.
+preprocessor definition 'DUMA_NO_CPP_SUPPORT' to CPPFLAGS in Makefile.
 
 
 DEFINITION OF OWN MEMBER NEW/DELETE OPERATORS: