diff --git a/samples/exec/makefile.g95 b/samples/exec/makefile.g95
index 6292100f68..13bcf455d2 100644
--- a/samples/exec/makefile.g95
+++ b/samples/exec/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=exec
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/grid/makefile.g95 b/samples/grid/makefile.g95
index ae8121341f..e2f55732d5 100644
--- a/samples/grid/makefile.g95
+++ b/samples/grid/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=grid
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/joytest/makefile.g95 b/samples/joytest/makefile.g95
index 67132e46c5..334bd4ad49 100644
--- a/samples/joytest/makefile.g95
+++ b/samples/joytest/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=joytest
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/minifram/makefile.g95 b/samples/minifram/makefile.g95
index 413fb4a6b0..3a7ba816f8 100644
--- a/samples/minifram/makefile.g95
+++ b/samples/minifram/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=minifram
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/notebook/makefile.g95 b/samples/notebook/makefile.g95
index b87471f38d..c610092a4c 100644
--- a/samples/notebook/makefile.g95
+++ b/samples/notebook/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=notebook
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/proplist/makefile.g95 b/samples/proplist/makefile.g95
index 5489c858c7..7fa5bd6868 100644
--- a/samples/proplist/makefile.g95
+++ b/samples/proplist/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=proplist
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/propsize/makefile.g95 b/samples/propsize/makefile.g95
index 7c38b8a26a..ed32b82b54 100644
--- a/samples/propsize/makefile.g95
+++ b/samples/propsize/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=propsize
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/sashtest/makefile.g95 b/samples/sashtest/makefile.g95
index 9e76f66b10..fe93070c07 100644
--- a/samples/sashtest/makefile.g95
+++ b/samples/sashtest/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=sashtest
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/splitter/makefile.g95 b/samples/splitter/makefile.g95
index fc4af58f1d..2766d0e106 100644
--- a/samples/splitter/makefile.g95
+++ b/samples/splitter/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=splitter
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/statbar/makefile.g95 b/samples/statbar/makefile.g95
index e641b5144a..af0dfc16c8 100644
--- a/samples/statbar/makefile.g95
+++ b/samples/statbar/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=statbar
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/tab/makefile.g95 b/samples/tab/makefile.g95
index 22604cb9ca..6415ef0c17 100644
--- a/samples/tab/makefile.g95
+++ b/samples/tab/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=tab
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/thread/makefile.g95 b/samples/thread/makefile.g95
index bc6829768c..76f6cae37f 100644
--- a/samples/thread/makefile.g95
+++ b/samples/thread/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=thread
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/toolbar/makefile.g95 b/samples/toolbar/makefile.g95
index 25bcc5b88a..75d00f416f 100644
--- a/samples/toolbar/makefile.g95
+++ b/samples/toolbar/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=toolbar
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/treectrl/makefile.g95 b/samples/treectrl/makefile.g95
index 431577814b..dac77c45d0 100644
--- a/samples/treectrl/makefile.g95
+++ b/samples/treectrl/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=treectrl
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/treelay/makefile.g95 b/samples/treelay/makefile.g95
index f4c08f1b0c..f31905199d 100644
--- a/samples/treelay/makefile.g95
+++ b/samples/treelay/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=treelay
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/typetest/makefile.g95 b/samples/typetest/makefile.g95
index 1fa426f499..5ec0fa7169 100644
--- a/samples/typetest/makefile.g95
+++ b/samples/typetest/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=typetest
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/validate/makefile.g95 b/samples/validate/makefile.g95
index 0b00e7e4f0..d9e8c085ba 100644
--- a/samples/validate/makefile.g95
+++ b/samples/validate/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=validate
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95
 
diff --git a/samples/wizard/makefile.g95 b/samples/wizard/makefile.g95
index 2cee3f0c2f..08d6e90f0f 100644
--- a/samples/wizard/makefile.g95
+++ b/samples/wizard/makefile.g95
@@ -6,5 +6,5 @@ WXDIR = ../..
 TARGET=wizard
 OBJECTS = $(TARGET).o
 
-include $(WXDIR)\src\makeprog.g95
+include $(WXDIR)/src/makeprog.g95